This collection explores the fascinating world of instrumentation and detection within physics, focusing on the tools and sensors that allow scientists to measure the universe. From advanced particle trackers to sensitive gravitational wave detectors, these innovations form the backbone of modern discovery, turning abstract theories into observable data.

On Gist.Science, we process every new preprint in this field as it appears on arXiv, ensuring you stay ahead of the curve. Each paper is accompanied by a clear, plain-language explanation alongside a detailed technical summary, bridging the gap between complex research and accessible knowledge.

Below are the latest papers in physics instrumentation and detection, offering fresh insights into how we observe the fundamental nature of reality.

The new generation lunar gravitational wave detectors: sky map resolution and joint analysis

This paper demonstrates that the proposed lunar-based Crater Interferometry Gravitational-wave Observatory (CIGO) and its upgraded tetrahedral configuration (TCIGO) can significantly outperform existing space-based missions like TianQin and LISA in sky map resolution for monochromatic sources in the 0.1–10 Hz band, provided lunar noise is effectively mitigated.

Xiaolin Zhang, Chengye Yu, Haoran Li, Sobhan Kazempour, Mingqiu Li, Sichun Sun2026-05-12⚛️ gr-qc

Temperature-Dependent Neutron Moderation Model Including Inelastic Scattering in Reactor Media

This paper presents a new mathematical model for neutron moderation in reactor media that incorporates temperature-dependent inelastic scattering on Uranium-238, deriving analytical expressions for scattering laws and flux density that reveal a two-peaked deceleration spectrum and offer improved accuracy for neutron kinetic calculations.

Sergey Chernezhenko, Victor Tarasov, Volodymyr Vashchenko, Iryna Korduba2026-05-12🔬 physics

Characterisation of the Thermoflow due to the Dry Nitrogen Flushing Scheme in the ATLAS Inner Tracker using Computational Fluid Dynamics

This paper utilizes computational fluid dynamics to characterize and optimize the dry nitrogen flushing scheme for the ATLAS Inner Tracker's High Luminosity upgrade, ensuring that moisture ingress is effectively managed to prevent condensation and protect detector electronics from damage at extreme low temperatures.

Muaaz Bhamjee, Matthew Connell, Simon Connell, Emmanuel Igumbor, Lerothodi Leeuw, Pedro Mafa, Marco Oriunno, Marcel Vreeswijk2026-05-12⚛️ hep-ex

A Modular Zero-Dead-Time Data Acquisition and Real-Time GPU Processing Platform for High Throughput Physics Experiments

This paper presents a modular, software-defined platform that integrates high-bandwidth PCIe digitizers with consumer GPUs to achieve continuous, zero-dead-time data acquisition and real-time processing for high-throughput physics experiments, successfully demonstrated in the WISPLC dark matter search with sustained 1 GB/s throughput and negligible data loss.

Toma-Stefan Cezar, Marios Maroudas, Dieter Horns2026-05-12⚛️ hep-ex

A study of multicavity concept applied to hexagonal coaxial haloscopes

This paper presents a study on scalable multicavity architectures for hexagonal coaxial haloscopes operating at 30 GHz, demonstrating that a triple-subcavity design with a novel rotational tuning mechanism achieves a threefold improvement in scanning rate over a single-cavity baseline while exploring the feasibility of further scaling to four subcavities within strict radial constraints.

J. M. García-Barceló, Jose R. Navarro-Madrid, Alejandro Díaz-Morcillo2026-05-12⚛️ hep-ex

Ortho-Positronium Three-Photon Decays: Physics Constraints and a Closed-Form Energy Method for Annihilation Vertex Reconstruction

This paper investigates the physical constraints imposed by energy-momentum conservation on ortho-positronium three-photon decays and presents a closed-form analytical method for reconstructing the annihilation vertex based on energy measurements.

L. Raczyński, W. Krzemień, A. Coussat, M. Bała, B. C. Hiesmayr, K. Klimaszewski, M. Obara, R. Y. Shopa2026-05-12⚛️ hep-ph

Environmental γ\gamma-Ray Flux in Hall C at LNGS and Its Correlation with Radon Activity

This paper presents the first high-precision, efficiency-corrected spatial mapping of the environmental γ\gamma-ray flux in Hall C at the Gran Sasso National Laboratory, revealing a clear correlation with ambient radon levels and providing essential radiological data for future rare-event experiments.

L. Luzzi, R. Santorelli, G. Zuzel, P. Agnes, D. Cano-Ott, C. Ghiano, M. Laubenstein, T. Mroz, V. Pesudo Fortes, J. Plaza del Olmo, G. Vera Díaz2026-05-12🔬 physics

Construction, commissioning, and beam test of a pilot 3D-projection opaque water-based liquid scintillator detector

This paper reports the successful design, construction, and beam testing of a pilot 3D-projection detector using opaque water-based liquid scintillator (oWbLS), demonstrating its effective optical confinement and high timing resolution to validate the technology as a scalable concept for future particle physics experiments.

H. Che, M. V. Diwan, S. Gokhale, P. Kumar, C. Reyes, R. Rosero, J. J. Wang, G. Yang, M. Yeh2026-05-12⚛️ nucl-ex

In-situ high voltage generation with Cockcroft-Walton multiplier for xenon gas time projection chamber

The authors successfully demonstrated a new in-situ Cockcroft-Walton high-voltage generation system integrated into the AXEL xenon gas time projection chamber, which eliminated the need for external high-voltage feedthroughs and achieved an energy resolution of 0.67% at 2615 keV during a 40-day operation at 6.8 bar.

Shinichi Akiyama, Junya Hikida, Masashi Yoshida, Kazuhiro Nakamura, Sei Ban, Masanori Hirose, Atsuko K. Ichikawa, Yoshihisa Iwashita, Tatsuya Kikawa, Yasuhiro Nakajima, Kiseki D. Nakamura, Tsuyoshi Na (…)2026-05-11⚛️ hep-ex

The SWEET project: probing sugar crystals for direct dark matter searches

This paper presents the first results from the SWEET project, demonstrating the use of sucrose crystals as a hydrogen-rich phonon detector with scintillation capabilities for probing sub-GeV/c2^2 dark matter through elastic nuclear scattering.

A. Bento, F. Casadei, E. Cipelli, S. Di Lorenzo, F. Dominsky, P. V. Guillaumon, D. Hauff, A. Langenkaemper, M. Mancuso, B. Mauri, C. Moore, F. Petricca, F. Proebst, M. Zanirato2026-05-11⚛️ nucl-ex