GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts

CTAO の LST-1 による GRB 221009A の観測結果は、バースト発生から約 1.33 日後に 4.1σ\sigmaの有意な過剰を検出したものの、それ以降のデータは背景と一致しており、これにより 1 日後の VHE 放射が$10^{-11}ergcm erg cm^{-2}s s^{-1}$を大幅に超えるモデルは支持されず、長期 VHE 観測が GRB ジェットの構造解明に寄与することが示されました。

LST Collaboration, K. Abe (Department of Physics, Tokai University, 4-1-1, Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan), S. Abe (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), A. Abhishek (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), F. Acero (Université Paris-Saclay, Université Paris Cité, CEA, CNRS, AIM, F-91191 Gif-sur-Yvette Cedex, France, FSLAC IRL 2009, CNRS/IAC, La Laguna, Tenerife, Spain), A. Aguasca-Cabot (Departament de Física Quàntica i Astrofísica, Institut de Ciències del Cosmos, Universitat de Barcelona, IEEC-UB, Martí i Franquès, 1, 08028, Barcelona, Spain), I. Agudo (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), C. Alispach (Department of Astronomy, University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland), D. Ambrosino (INFN Sezione di Napoli, Via Cintia, ed. G, 80126 Napoli, Italy), F. Ambrosino (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), L. A. Antonelli (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), C. Aramo (INFN Sezione di Napoli, Via Cintia, ed. G, 80126 Napoli, Italy), A. Arbet-Engels (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), C. Arcaro (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), T. T. H. Arnesen (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), K. Asano (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), P. Aubert (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), A. Baktash (Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg, Germany), M. Balbo (Department of Astronomy, University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland), A. Bamba (Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan), A. Baquero Larriva (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain, Faculty of Science and Technology, Universidad del Azuay, Cuenca, Ecuador), U. Barres de Almeida (Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaud 150, RJ 22290-180, Rio de Janeiro, Brazil), J. A. Barrio (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), L. Barrios Jiménez (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), I. Batkovic (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), J. Baxter (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), J. Becerra González (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), E. Bernardini (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), J. Bernete (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), A. Berti (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), I. Bezshyiko (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), C. Bigongiari (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), E. Bissaldi (INFN Sezione di Bari and Politecnico di Bari, via Orabona 4, 70124 Bari, Italy), O. Blanch (Institut de Fisica d'Altes Energies), G. Bonnoli (INAF - Osservatorio Astronomico di Brera, Via Brera 28, 20121 Milano, Italy), P. Bordas (Departament de Física Quàntica i Astrofísica, Institut de Ciències del Cosmos, Universitat de Barcelona, IEEC-UB, Martí i Franquès, 1, 08028, Barcelona, Spain), G. Borkowski (Faculty of Physics and Applied Informatics, University of Lodz, ul. Pomorska 149-153, 90-236 Lodz, Poland), G. Brunelli (INAF - Osservatorio di Astrofisica e Scienza dello spazio di Bologna, Via Piero Gobetti 93/3, 40129 Bologna, Italy, Dipartimento di Fisica e Astronomia), A. Bulgarelli (INAF - Osservatorio di Astrofisica e Scienza dello spazio di Bologna, Via Piero Gobetti 93/3, 40129 Bologna, Italy), M. Bunse (Lamarr Institute for Machine Learning and Artificial Intelligence, 44227 Dortmund, Germany), I. Burelli (INFN Sezione di Trieste and Università degli studi di Udine, via delle scienze 206, 33100 Udine, Italy), L. Burmistrov (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), M. Cardillo (INAF - Istituto di Astrofisica e Planetologia Spaziali), S. Caroff (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), A. Carosi (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), R. Carraro (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), M. S. Carrasco (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France), F. Cassol (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France), D. Cerasole (INFN Sezione di Bari and Università di Bari, via Orabona 4, 70126 Bari, Italy), G. Ceribella (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), A. Cerviño Cortínez (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), Y. Chai (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), K. Cheng (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), A. Chiavassa (INFN Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy, Dipartimento di Fisica - Universitá degli Studi di Torino, Via Pietro Giuria 1 - 10125 Torino, Italy), M. Chikawa (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), G. Chon (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), L. Chytka (Palacky University Olomouc, Faculty of Science, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic), G. M. Cicciari (Dipartimento di Fisica e Chimica 'E. Segrè' Università degli Studi di Palermo, via delle Scienze, 90128 Palermo, INFN Sezione di Catania, Via S. Sofia 64, 95123 Catania, Italy), A. Cifuentes (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), J. L. Contreras (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), J. Cortina (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), H. Costantini (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France), M. Dalchenko (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), P. Da Vela (INAF - Osservatorio di Astrofisica e Scienza dello spazio di Bologna, Via Piero Gobetti 93/3, 40129 Bologna, Italy), F. Dazzi (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), A. De Angelis (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), M. de Bony de Lavergne (IRFU, CEA, Université Paris-Saclay, Bât 141, 91191 Gif-sur-Yvette, France), R. Del Burgo (INFN Sezione di Napoli, Via Cintia, ed. G, 80126 Napoli, Italy), C. Delgado (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), J. Delgado Mengual (Port d'Informació Científica, Edifici D, Carrer de l'Albareda, 08193 Bellaterrra), M. Dellaiera (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), D. della Volpe (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), B. De Lotto (INFN Sezione di Trieste and Università degli studi di Udine, via delle scienze 206, 33100 Udine, Italy), L. Del Peral (University of Alcalá UAH, Departamento de Physics and Mathematics, Pza. San Diego, 28801, Alcalá de Henares, Madrid, Spain), R. de Menezes (INFN Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy), G. De Palma (INFN Sezione di Bari and Politecnico di Bari, via Orabona 4, 70124 Bari, Italy), C. Díaz (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), A. Di Piano (INAF - Osservatorio di Astrofisica e Scienza dello spazio di Bologna, Via Piero Gobetti 93/3, 40129 Bologna, Italy), F. Di Pierro (INFN Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy), R. Di Tria (INFN Sezione di Bari and Università di Bari, via Orabona 4, 70126 Bari, Italy), L. Di Venere (INFN Sezione di Bari, via Orabona 4, 70125, Bari, Italy), R. M. Dominik (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), D. Dominis Prester (University of Rijeka, Department of Physics, Radmile Matejcic 2, 51000 Rijeka, Croatia), A. Donini (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), D. Dorner (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), M. Doro (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), L. Eisenberger (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), D. Elsässer (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), G. Emery (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France), J. Escudero (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), V. Fallah Ramazani (Department of Physics and Astronomy, University of Turku, Finland, FI-20014 University of Turku, Finland, Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), F. Ferrarotto (INFN Sezione di Roma La Sapienza, P.le Aldo Moro, 2 - 00185 Rome, Italy), A. Fiasson (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France, ILANCE, CNRS - University of Tokyo International Research Laboratory, University of Tokyo, 5-1-5 Kashiwa-no-Ha Kashiwa City, Chiba 277-8582, Japan), L. Foffano (INAF - Istituto di Astrofisica e Planetologia Spaziali), F. Frías García-Lago (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), S. Fröse (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), Y. Fukazawa (Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima, 739-8526, Japan), S. Gallozzi (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), R. Garcia López (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), S. Garcia Soto (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), C. Gasbarra (INFN Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), D. Gasparrini (INFN Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), D. Geyer (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), J. Giesbrecht Paiva (Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaud 150, RJ 22290-180, Rio de Janeiro, Brazil), N. Giglietto (INFN Sezione di Bari and Politecnico di Bari, via Orabona 4, 70124 Bari, Italy), F. Giordano (INFN Sezione di Bari and Università di Bari, via Orabona 4, 70126 Bari, Italy), N. Godinovic (University of Split, FESB, R. Boškovica 32, 21000 Split, Croatia), T. Gradetzke (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), R. Grau (Institut de Fisica d'Altes Energies), D. Green (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), J. Green (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), S. Gunji (Department of Physics, Yamagata University, 1-4-12 Kojirakawa-machi, Yamagata-shi, 990-8560, Japan), P. Günther (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), J. Hackfeld (Institut für Theoretische Physik, Lehrstuhl IV: Plasma-Astroteilchenphysik, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany), D. Hadasch (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), A. Hahn (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), M. Hashizume (Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima, 739-8526, Japan), T. Hassan (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), K. Hayashi (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Sendai College, National Institute of Technology, 4-16-1 Ayashi-Chuo, Aoba-ku, Sendai city, Miyagi 989-3128, Japan), L. Heckmann (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München, Université Paris Cité, CNRS, Astroparticule et Cosmologie, F-75013 Paris, France), M. Heller (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), J. Herrera Llorente (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), K. Hirotani (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), D. Hoffmann (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France), D. Horns (Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg, Germany), J. Houles (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France), M. Hrabovsky (Palacky University Olomouc, Faculty of Science, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic), D. Hrupec (Josip Juraj Strossmayer University of Osijek, Department of Physics, Trg Ljudevita Gaja 6, 31000 Osijek, Croatia), D. Hui (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Department of Astronomy and Space Science, Chungnam National University, Daejeon 34134, Republic of Korea), M. Iarlori (INFN Dipartimento di Scienze Fisiche e Chimiche - Università degli Studi dell'Aquila and Gran Sasso Science Institute, Via Vetoio 1, Viale Crispi 7, 67100 L'Aquila, Italy), R. Imazawa (Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima, 739-8526, Japan), T. Inada (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), Y. Inome (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), S. Inoue (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Chiba University, 1-33, Yayoicho, Inage-ku, Chiba-shi, Chiba, 263-8522 Japan), K. Ioka (Kitashirakawa Oiwakecho, Sakyo Ward, Kyoto, 606-8502, Japan), M. Iori (INFN Sezione di Roma La Sapienza, P.le Aldo Moro, 2 - 00185 Rome, Italy), T. Itokawa (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), A. Iuliano (INFN Sezione di Napoli, Via Cintia, ed. G, 80126 Napoli, Italy), J. Jahanvi (INFN Sezione di Trieste and Università degli studi di Udine, via delle scienze 206, 33100 Udine, Italy), I. Jimenez Martinez (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), J. Jimenez Quiles (Institut de Fisica d'Altes Energies), I. Jorge Rodrigo (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), J. Jurysek (FZU - Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Praha 8, Czech Republic), M. Kagaya (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Sendai College, National Institute of Technology, 4-16-1 Ayashi-Chuo, Aoba-ku, Sendai city, Miyagi 989-3128, Japan), O. Kalashev (Laboratory for High Energy Physics, École Polytechnique Fédérale, CH-1015 Lausanne, Switzerland), V. Karas (Astronomical Institute of the Czech Academy of Sciences, Bocni II 1401 - 14100 Prague, Czech Republic), H. Katagiri (Faculty of Science, Ibaraki University, 2 Chome-1-1 Bunkyo, Mito, Ibaraki 310-0056, Japan), D. Kerszberg (Institut de Fisica d'Altes Energies, Sorbonne Université, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies, LPNHE, 4 place Jussieu, 75005 Paris, France), T. Kiyomot (Graduate School of Science and Engineering, Saitama University, 255 Simo-Ohkubo, Sakura-ku, Saitama city, Saitama 338-8570, Japan), Y. Kobayashi (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), K. Kohri (Institute of Particle and Nuclear Studies, KEK), A. Kong (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), P. Kornecki (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), H. Kubo (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), J. Kushida (Department of Physics, Tokai University, 4-1-1, Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan), B. Lacave (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), M. Lainez (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), G. Lamanna (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), A. Lamastra (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), L. Lemoigne (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), M. Linhoff (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), S. Lombardi (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), F. Longo (INFN Sezione di Trieste and Università degli Studi di Trieste, Via Valerio 2 I, 34127 Trieste, Italy), R. López-Coto (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), M. López-Moya (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), A. López-Oramas (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), S. Loporchio (INFN Sezione di Bari and Università di Bari, via Orabona 4, 70126 Bari, Italy), A. Lorini (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), J. Lozano Bahilo (University of Alcalá UAH, Departamento de Physics and Mathematics, Pza. San Diego, 28801, Alcalá de Henares, Madrid, Spain), F. Lucarelli (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), H. Luciani (INFN Sezione di Trieste and Università degli Studi di Trieste, Via Valerio 2 I, 34127 Trieste, Italy), P. L. Luque-Escamilla (Escuela Politécnica Superior de Jaén, Universidad de Jaén, Campus Las Lagunillas s/n, Edif. A3, 23071 Jaén, Spain), P. Majumdar (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Saha Institute of Nuclear Physics, Sector 1, AF Block, Bidhan Nagar, Bidhannagar, Kolkata, West Bengal 700064, India), M. Makariev (Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 72 boul. Tsarigradsko chaussee, 1784 Sofia, Bulgaria), M. Mallamaci (Dipartimento di Fisica e Chimica 'E. Segrè' Università degli Studi di Palermo, via delle Scienze, 90128 Palermo, INFN Sezione di Catania, Via S. Sofia 64, 95123 Catania, Italy), D. Mandat (FZU - Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Praha 8, Czech Republic), M. Manganaro (University of Rijeka, Department of Physics, Radmile Matejcic 2, 51000 Rijeka, Croatia), D. K. Maniadakis (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), G. Manicò (INFN Sezione di Catania, Via S. Sofia 64, 95123 Catania, Italy), K. Mannheim (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), S. Marchesi (INAF - Osservatorio di Astrofisica e Scienza dello spazio di Bologna, Via Piero Gobetti 93/3, 40129 Bologna, Italy, Dipartimento di Fisica e Astronomia, Department of Physics and Astronomy, Clemson University, Kinard Lab of Physics, Clemson, SC 29634, USA), F. Marini (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), M. Mariotti (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), P. Marquez (Institut de Fisica d'Altes Energies), G. Marsella (Dipartimento di Fisica e Chimica 'E. Segrè' Università degli Studi di Palermo, via delle Scienze, 90128 Palermo, INFN Sezione di Catania, Via S. Sofia 64, 95123 Catania, Italy), J. Martí (Escuela Politécnica Superior de Jaén, Universidad de Jaén, Campus Las Lagunillas s/n, Edif. A3, 23071 Jaén, Spain), O. Martinez (Grupo de Electronica, Universidad Complutense de Madrid, Av. Complutense s/n, 28040 Madrid, Spain), G. Martínez (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), M. Martínez (Institut de Fisica d'Altes Energies), A. Mas-Aguilar (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), M. Massa (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), G. Maurin (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), D. Mazin (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), J. Méndez-Gallego (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), S. Menon (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), E. Mestre Guillen (Institute of Space Sciences), D. Miceli (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), T. Miener (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), J. M. Miranda (Grupo de Electronica, Universidad Complutense de Madrid, Av. Complutense s/n, 28040 Madrid, Spain), R. Mirzoyan (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), M. Mizote (Department of Physics, Konan University, 8-9-1 Okamoto, Higashinada-ku Kobe 658-8501, Japan), T. Mizuno (Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima, 739-8526, Japan), M. Molero Gonzalez (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), E. Molina (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), T. Montaruli (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), A. Moralejo (Institut de Fisica d'Altes Energies), D. Morcuende (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), A. Moreno Ramos (Grupo de Electronica, Universidad Complutense de Madrid, Av. Complutense s/n, 28040 Madrid, Spain), A. Morselli (INFN Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), V. Moya (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), H. Muraishi (School of Allied Health Sciences, Kitasato University, Sagamihara, Kanagawa 228-8555, Japan), S. Nagataki (RIKEN, Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan), T. Nakamori (Department of Physics, Yamagata University, 1-4-12 Kojirakawa-machi, Yamagata-shi, 990-8560, Japan), A. Neronov (Laboratory for High Energy Physics, École Polytechnique Fédérale, CH-1015 Lausanne, Switzerland), D. Nieto Castaño (IPARCOS-UCM, Instituto de Física de Partículas y del Cosmos, and EMFTEL Department, Universidad Complutense de Madrid, Plaza de Ciencias, 1. Ciudad Universitaria, 28040 Madrid, Spain), M. Nievas Rosillo (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), L. Nikolic (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), K. Nishijima (Department of Physics, Tokai University, 4-1-1, Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan), K. Noda (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Chiba University, 1-33, Yayoicho, Inage-ku, Chiba-shi, Chiba, 263-8522 Japan), D. Nosek (Charles University, Institute of Particle and Nuclear Physics, V Holešovičkách 2, 180 00 Prague 8, Czech Republic), V. Novotny (Charles University, Institute of Particle and Nuclear Physics, V Holešovičkách 2, 180 00 Prague 8, Czech Republic), S. Nozaki (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), M. Ohishi (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), Y. Ohtani (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), T. Oka (Division of Physics and Astronomy, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan), A. Okumura (Institute for Space-Earth Environmental Research, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan, Kobayashi-Maskawa Institute), R. Orito (Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijosanjima, Tokushima, 770-8506, Japan), L. Orsini (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), J. Otero-Santos (Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, 18008, Granada, Spain), P. Ottanelli (INFN Sezione di Pisa, Edificio C - Polo Fibonacci, Largo Bruno Pontecorvo 3, 56127 Pisa, Italy), M. Palatiello (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), G. Panebianco (INAF - Osservatorio di Astrofisica e Scienza dello spazio di Bologna, Via Piero Gobetti 93/3, 40129 Bologna, Italy), D. Paneque (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), F. R. Pantaleo (INFN Sezione di Bari and Politecnico di Bari, via Orabona 4, 70124 Bari, Italy), R. Paoletti (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), J. M. Paredes (Departament de Física Quàntica i Astrofísica, Institut de Ciències del Cosmos, Universitat de Barcelona, IEEC-UB, Martí i Franquès, 1, 08028, Barcelona, Spain), M. Pech (Palacky University Olomouc, Faculty of Science, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic, FZU - Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Praha 8, Czech Republic), M. Pecimotika (Institut de Fisica d'Altes Energies), M. Peresano (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), F. Pfeifle (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), E. Pietropaolo (INFN Dipartimento di Scienze Fisiche e Chimiche - Università degli Studi dell'Aquila and Gran Sasso Science Institute, Via Vetoio 1, Viale Crispi 7, 67100 L'Aquila, Italy), M. Pihet (Departament de Física Quàntica i Astrofísica, Institut de Ciències del Cosmos, Universitat de Barcelona, IEEC-UB, Martí i Franquès, 1, 08028, Barcelona, Spain), G. Pirola (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), C. Plard (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), F. Podobnik (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), M. Polo (CIEMAT, Avda. Complutense 40, 28040 Madrid, Spain), E. Prandini (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), M. Prouza (FZU - Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Praha 8, Czech Republic), S. Rainò (INFN Sezione di Bari and Università di Bari, via Orabona 4, 70126 Bari, Italy), R. Rando (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), W. Rhode (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), M. Ribó (Departament de Física Quàntica i Astrofísica, Institut de Ciències del Cosmos, Universitat de Barcelona, IEEC-UB, Martí i Franquès, 1, 08028, Barcelona, Spain), V. Rizi (INFN Dipartimento di Scienze Fisiche e Chimiche - Università degli Studi dell'Aquila and Gran Sasso Science Institute, Via Vetoio 1, Viale Crispi 7, 67100 L'Aquila, Italy), G. Rodriguez Fernandez (INFN Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), M. D. Rodríguez Frías (University of Alcalá UAH, Departamento de Physics and Mathematics, Pza. San Diego, 28801, Alcalá de Henares, Madrid, Spain), P. Romano (INAF - Osservatorio Astronomico di Brera, Via Brera 28, 20121 Milano, Italy), A. Roy (Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima, 739-8526, Japan), A. Ruina (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), E. Ruiz-Velasco (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), T. Saito (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), S. Sakurai (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), D. A. Sanchez (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), H. Sano (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Gifu University, Faculty of Engineering, 1-1 Yanagido, Gifu 501-1193, Japan), T. Šaric (University of Split, FESB, R. Boškovica 32, 21000 Split, Croatia), Y. Sato (Department of Physical Sciences, Aoyama Gakuin University, Fuchinobe, Sagamihara, Kanagawa, 252-5258, Japan), F. G. Saturni (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), V. Savchenko (Laboratory for High Energy Physics, École Polytechnique Fédérale, CH-1015 Lausanne, Switzerland), F. Schiavone (INFN Sezione di Bari and Università di Bari, via Orabona 4, 70126 Bari, Italy), B. Schleicher (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), F. Schmuckermaier (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), J. L. Schubert (Department of Physics, TU Dortmund University, Otto-Hahn-Str. 4, 44227 Dortmund, Germany), F. Schussler (IRFU, CEA, Université Paris-Saclay, Bât 141, 91191 Gif-sur-Yvette, France), T. Schweizer (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), M. Seglar Arroyo (Institut de Fisica d'Altes Energies), T. Siegert (Institute for Theoretical Physics and Astrophysics, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Str. 31, 97074 Würzburg, Germany), G. Silvestri (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), A. Simongini (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy, Macroarea di Scienze MMFFNN, Università di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), J. Sitarek (Faculty of Physics and Applied Informatics, University of Lodz, ul. Pomorska 149-153, 90-236 Lodz, Poland), V. Sliusar (Department of Astronomy, University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland), A. Stamerra (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), J. Striškovic (Josip Juraj Strossmayer University of Osijek, Department of Physics, Trg Ljudevita Gaja 6, 31000 Osijek, Croatia), M. Strzys (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), Y. Suda (Physics Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima, 739-8526, Japan), A. Sunny (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy, Macroarea di Scienze MMFFNN, Università di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), H. Tajima (Institute for Space-Earth Environmental Research, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan), M. Takahashi (Institute for Space-Earth Environmental Research, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan), J. Takata (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), R. Takeishi (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), P. H. T. Tam (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), S. J. Tanaka (Department of Physical Sciences, Aoyama Gakuin University, Fuchinobe, Sagamihara, Kanagawa, 252-5258, Japan), D. Tateishi (Graduate School of Science and Engineering, Saitama University, 255 Simo-Ohkubo, Sakura-ku, Saitama city, Saitama 338-8570, Japan), T. Tavernier (FZU - Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Praha 8, Czech Republic), P. Temnikov (Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 72 boul. Tsarigradsko chaussee, 1784 Sofia, Bulgaria), Y. Terada (Graduate School of Science and Engineering, Saitama University, 255 Simo-Ohkubo, Sakura-ku, Saitama city, Saitama 338-8570, Japan), K. Terauchi (Division of Physics and Astronomy, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan), T. Terzic (University of Rijeka, Department of Physics, Radmile Matejcic 2, 51000 Rijeka, Croatia), M. Teshima (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan, Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), M. Tluczykont (Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg, Germany), F. Tokanai (Department of Physics, Yamagata University, 1-4-12 Kojirakawa-machi, Yamagata-shi, 990-8560, Japan), T. Tomura (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), D. F. Torres (Institute of Space Sciences), F. Tramonti (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), P. Travnicek (FZU - Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Praha 8, Czech Republic), G. Tripodo (INFN Sezione di Catania, Via S. Sofia 64, 95123 Catania, Italy), A. Tutone (INAF - Osservatorio Astronomico di Roma, Via di Frascati 33, 00040, Monteporzio Catone, Italy), M. Vacula (Palacky University Olomouc, Faculty of Science, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic), J. van Scherpenberg (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), M. Vázquez Acosta (Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna, C. Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain), S. Ventura (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), S. Vercellone (INAF - Osservatorio Astronomico di Brera, Via Brera 28, 20121 Milano, Italy), G. Verna (INFN and Università degli Studi di Siena, Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente), I. Viale (INFN Sezione di Padova and Università degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy), A. Vigliano (INFN Sezione di Trieste and Università degli studi di Udine, via delle scienze 206, 33100 Udine, Italy), C. F. Vigorito (INFN Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy, Dipartimento di Fisica - Universitá degli Studi di Torino, Via Pietro Giuria 1 - 10125 Torino, Italy), E. Visentin (INFN Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy, Dipartimento di Fisica - Universitá degli Studi di Torino, Via Pietro Giuria 1 - 10125 Torino, Italy), V. Vitale (INFN Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy), V. Voitsekhovskyi (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), G. Voutsinas (University of Geneva - Département de physique nucléaire et corpusculaire, 24 Quai Ernest Ansernet, 1211 Genève 4, Switzerland), I. Vovk (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), T. Vuillaume (Univ. Savoie Mont Blanc, CNRS, Laboratoire d'Annecy de Physique des Particules - IN2P3, 74000 Annecy, France), R. Walter (Department of Astronomy, University of Geneva, Chemin d'Ecogia 16, CH-1290 Versoix, Switzerland), L. Wan (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), M. Will (Max-Planck-Institut für Physik, Boltzmannstraße 8, 85748 Garching bei München), J. Wójtowicz (Faculty of Physics and Applied Informatics, University of Lodz, ul. Pomorska 149-153, 90-236 Lodz, Poland), T. Yamamoto (Department of Physics, Konan University, 8-9-1 Okamoto, Higashinada-ku Kobe 658-8501, Japan), R. Yamazaki (Department of Physical Sciences, Aoyama Gakuin University, Fuchinobe, Sagamihara, Kanagawa, 252-5258, Japan), Y. Yao (Department of Physics, Tokai University, 4-1-1, Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan), P. K. H. Yeung (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), T. Yoshida (Faculty of Science, Ibaraki University, 2 Chome-1-1 Bunkyo, Mito, Ibaraki 310-0056, Japan), T. Yoshikoshi (Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwa-no-ha, Kashiwa, Chiba 277-8582, Japan), W. Zhang (Institute of Space Sciences)Wed, 11 Ma🔭 astro-ph

Stochastic modelling of cosmic-ray sources for Galactic diffuse emissions

この論文は、モンテカルロシミュレーションを用いて、超新星残骸を代表的な宇宙線源とし、その離散性がガンマ線やニュートリノによる銀河拡散放射に与える影響を確率的に解析し、特に時間依存拡散シナリオにおいて源の確率性がモデル不確実性を増大させ、LHAASO などの観測データとの整合性を高める可能性を示したものである。

Anton Stall, Philipp MertschWed, 11 Ma🔭 astro-ph

The detection of high X-ray polarization from an accretion disc corona source and its modelling via Monte Carlo radiation transfer simulation

IXPE による中性子星連星 2S 0921-630 の観測で高 X 線偏光度が検出され、その特徴は外縁円盤からの熱放射風による散乱を考慮したモンテカルロシミュレーションモデルで説明可能であるが、エネルギーに伴う偏光角の変化についてはより複雑な非対称な散乱幾何学が必要である可能性が示唆された。

Ryota Tomaru, Chris Done, Hirokazu OdakaWed, 11 Ma🔭 astro-ph

XSNAP: An X-ray Supernova Analysis Pipeline with Application to the Type II Supernova 2024ggi

この論文では、Swift、Chandra、XMM による超新星 2024ggi の X 線観測データを処理・解析するための新しいオープンソース Python パッケージ「XSNAP」を開発し、これを用いて爆発前の 117 年間にわたる progenitor 星の質量損失率を定量化しました。

Ferdinand, W. V. Jacobson-Galán, M. M. Kasliwal, Erez A. ZimmermanWed, 11 Ma🔭 astro-ph

Simulation-Based Prediction of Black Hole Spectra: From $10M_\odotto to 10^8 M_\odot$

この論文は、一般相対性磁気流体力学シミュレーションデータに標準的な放射物理を適用する新しいポスト処理手法を開発し、太陽質量の 10 倍から 1 億倍までのブラックホールにおける降着スペクトルを初めて予測・解析することで、観測されるブラックホールの多様な特性を再現できることを示しています。

Chris Nagele, Julian H. Krolik, Rongrong Liu, Brooks E. Kinch, Jeremy D. SchnittmanWed, 11 Ma🔭 astro-ph

Discovery of a compact hierarchical triple main-sequence star system while searching for binary stars with compact objects

この論文は、Gaia データと分光観測、TESS 光曲線の組み合わせにより、コンパクトな階層三重主系列星システム「G1010」を発見し、当初疑われた巨大なコンパクト天体の存在を否定し、その正体が食連星である内側連星系であることを明らかにしたことを報告しています。

Ataru Tanikawa, Akito Tajitsu, Satoshi Honda, Hiroyuki Maehara, Bun'ei Sato, Kento Masuda, Masashi Omiya, Hideyuki IzumiuraWed, 11 Ma🔭 astro-ph

Black hole scalar sirens in the Milky Way

この論文は、銀河内の孤立したブラックホールが超放射不安定性により光スカラー粒子を継続的に放出する「ブラックホール・スカラー・サイレン」として機能し、これらがダークマターとは異なる特徴的なスカラー背景を形成して、ブラックホールの存在とスカラー粒子の性質を同時に探査する新たな手段となることを示しています。

Daniel Gavilan-Martin, Olivier Simon, Dhashin Krishna, Derek F. Jackson Kimball, Dmitry Budker, Arne WickenbrockWed, 11 Ma🔬 physics.atom-ph

Accretion Geometry of Black Hole X-ray Binaries: Insights from X-ray Observations

この論文は、ブラックホール X 線連星の降着幾何学を X 線観測(特に分光研究)を通じて測定する手法、現在の知見、および未解決の課題を要約し、明るい硬状態において降着円盤が最も安定した円軌道にまで達している可能性や円盤・コロナ・ジェット間の関連性について論じています。

Honghui LiuWed, 11 Ma🔭 astro-ph

Scattering from compact objects: Debye series and Regge-Debye poles

この論文は、曲がった時空におけるコンパクトな物体(恒星)による弾性散乱を、ミ散射のデバイ展開に倣った厳密なデバイ級数分解と複素角運動量平面におけるレジェ・デバイ極の解析を通じて研究し、中性子星のような物体と超コンパクト物体において、表面波や内部共鳴に由来する極の振る舞いや散乱振幅への寄与がどのように異なるかを明らかにしています。

Mohamed Ould El HadjWed, 11 Ma🔭 astro-ph

Scalar shortcut to beyond-Kerr ringdown tests and their complementarity with black-hole shadow observations

この論文は、一般相対性理論からのスカラー場の準固有モードの偏差を重力波のリングダウン補正の代理として用いる簡便な手法を提案し、その精度が既存の近似法と同等以上であることを示すと同時に、ブラックホール影の観測と補完的かつ同等、あるいはそれ以上の制約を提供することを明らかにしています。

Paolo Pani, Andrea P. SannaWed, 11 Ma🔭 astro-ph

Binary Black Holes population synthesis based on the current LVK observations

LIGO-Virgo-KAGRA の観測データを用いた解析により、連星ブラックホールの合体は、恒星の崩壊由来の第一世代ブラックホールの合体だけでなく、過去の合体で形成された第二世代(階層的)ブラックホールの混合、あるいは原始ブラックホールの存在を含むモデルの方が統計的に強く支持されることが示されました。

Mehdi El Bouhaddouti, Ilias Cholis, Muhsin AljafWed, 11 Ma⚛️ hep-ph

Gamma-ray Signatures of r-Process Radioactivity from the Collapse of Magnetized White Dwarfs

本論文は、磁場を持つ白色矮星の重力崩壊(AIC)で生成された r-過程核種からのガンマ線放射をシミュレーションで予測し、その特徴的なスペクトルが中性子星連星合体とは区別可能であり、将来の MeV 帯ガンマ線望遠鏡によって 10〜30 Mpc 先まで検出可能であることを示しています。

Tetyana Pitik, Yong-Zhong Qia, David Radice, Daniel KasenWed, 11 Ma🔭 astro-ph

Axion-neutrino interactions in seesaw models and astrophysical probes

この論文は、シーソーモデルにおけるアクシオンとニュートリノの相互作用を研究し、現在の天体物理学的制約下では、宇宙背景ニュートリノとの共鳴相互作用やアクシオン暗黒物質との散乱によるニュートリノ伝播への影響は極めて小さく、現在の感度では観測可能なシグナルは生じないことを示しています。

P. KivokurtsevaWed, 11 Ma⚛️ hep-ph

Matter- and magnetically-driven flavor conversion of neutrinos in magnetorotational collapses

本論文は、13 太陽質量の星の磁気回転崩壊における 3 次元シミュレーションに基づき、物質効果と巨大な磁場によるカイラリティ反転相互作用(特にマヨラナニュートリノの場合のニュートリノ・反ニュートリノ混合)がニュートリノのフレーバー変換に及ぼす影響を解明し、観測者からの角度や変換シナリオによって銀河内崩壊事象の検出率が大きく変動することを示しています。

Marco Manno, Pablo Martínez-Miravé, Irene TamborraWed, 11 Ma⚛️ hep-ph

Accretion Disk Evolution in GX 339-4 Across Spectral States Using NuSTAR, NICER, and Insight-HXMT Observations

NuSTAR、NICER、Insight-HXMT による GX 339-4 の 2021 年アウトバーストの同時観測データを用いた広帯域スペクトル解析により、硬状態のスペクトルに「温かいコロナ」成分を考慮することで、標準的な単一コンプトン化モデルでは矛盾していた降着円盤の半径推定値が物理的に整合するようになり、硬状態における二重コロナ構造の存在が支持されたことが示されました。

Ruchika Dhaka, Ranjeev Misra, Suraj Kumar ChaurasiaWed, 11 Ma🔭 astro-ph

Time-dependent photospheric radiative transfer in structured GRB jets: spectral evolution and polarization diagnostics

本論文は、特殊相対論的流体力学シミュレーションとモンテカルロ法を結合した時間依存光球放射輸送モデルを用いて、構造化されたガンマ線バーストジェットにおける観測角度や電子・陽電子対生成、散乱深さがスペクトル進化と偏光特性に与える影響を体系的に解析し、将来の偏光観測機器による検証可能な定量的予測を提供するものである。

Yue Xu, Ming Jin, Qingwen TangWed, 11 Ma🔭 astro-ph

Dynamics of thin accretion disks and accretion around a charged-PFDM black hole

この論文は、EHT による M87* の観測データから磁気的電荷と PFDM パラメータの制約を導き出し、その範囲内で電荷 PFDM 黒 hole における薄型降着円盤の軌道力学や放射特性、および球対称定常降着過程のダイナミクスを解析し、シュワルツシルト黒 hole と比較して放射効率が向上する可能性を示したものである。

Taiyang Zhang, Zhongyuan Qin, Qian Feng, Zheng-Wen LongWed, 11 Ma🔭 astro-ph