434 papers
This paper challenges the conventional view of collisionless dark matter by proposing and systematically studying a scenario where dark matter interactions are weak at early times but naturally grow to observationally relevant strengths at late cosmic epochs through recoupling with dark radiation, a model constrained by CMB and BAO data to allow either weak present-day interactions for all dark matter or strong interactions for a small fraction.
This paper provides numerical evidence that the consistency of the 4D effective theory in Kaluza-Klein compactification requires the existence of a light scalar modulus with a mass ratio to the first KK graviton squared of at most 4/3, thereby establishing a universal limit on how rigidly the compact manifold can be stabilized.
This paper investigates the substructure of quark and gluon jets in photoproduction events at the proposed Electron-Ion Collider using PYTHIA simulations and jet-shape variables, demonstrating the feasibility of distinguishing between these jet types to establish a baseline for future QCD studies.
This paper constructs Soft de Sitter Effective Theory (SdSET) using dimensional regularisation and demonstrates through explicit matching of tree-level and one-loop correlation functions that it serves as a consistent effective field theory for the quantum dynamics of superhorizon modes, successfully reproducing the infrared divergences and secular logarithms found in massless scalar field theories in de Sitter space.
This paper demonstrates that pure natural inflation, a top-down single-field model, is compatible with the latest Atacama Cosmology Telescope CMB constraints under both instantaneous and standard reheating scenarios, thereby validating a significant portion of its parameter space and that of its phenomenological extensions.
This paper presents an improved low-energy atmospheric neutrino flux calculation for Super-Kamiokande analysis that incorporates accelerator-data-driven hadron interaction tuning, resulting in a 5–10% lower flux prediction with reduced and more directly evaluable uncertainties (7–9% below 1 GeV and 5–7% between 1–10 GeV) compared to conventional methods.
This paper presents a non-perturbative determination of the QCD Equation of State for three massless quark flavors across a temperature range from 3 GeV to the electroweak scale, revealing that even at these extreme temperatures, perturbative predictions remain insufficient without incorporating non-perturbative contributions.
This paper presents a streamlined method for constructing exact black hole solutions in non-commutative gauge theory using the Seiberg-Witten map, revealing that non-commutativity resolves temperature divergences during evaporation, induces phase transitions, and suppresses particle emission correlations.
Using 3D neutrino-magnetohydrodynamic simulations of a magnetorotational collapse, this study reveals that neutrino flavor conversion is driven by both matter effects and magnetic interactions, leading to significant orientation-dependent event rates at neutrino telescopes that are crucial for interpreting joint neutrino and gravitational wave detections.
This paper proposes a method to significantly improve constraints on axion-like particles by utilizing cosmic variance cancellation with multi-frequency tracers from the Simons Observatory and the Square Kilometre Array to detect CMB photon-ALP resonant conversion in galaxy clusters.
This paper demonstrates that for shift-symmetric scalars in de Sitter space, a quantum anomaly in renormalization forces the late-time wavefunction to acquire an imaginary part that is entirely determined by its renormalization scale dependence to all loop orders, thereby establishing an infinite set of relations among correlators of massless fields and their conjugate momenta.
This paper analyzes LIGO-Virgo-KAGRA observations from 2015 to early 2024 to demonstrate that the binary black hole population is best explained by a combination of first-generation stellar remnants, hierarchical merger products, and potentially primordial black holes, rather than solely by the collapse of massive stars.
This paper calculates the next-to-eikonal cross section for back-to-back dijet production in deep inelastic scattering at small , demonstrating how these corrections relate to the -dependent phase of twist-2 gluon TMDs and twist-3 unpolarized gluon TMDs.
This paper investigates the energy loss of high-energy partons in anisotropic plasmas within the harmonic approximation, deriving a simple formula for the impact of anisotropy and demonstrating that the resulting medium length dependence exhibits universal limiting attractor characteristics consistent with QCD kinetic theory simulations.
This paper establishes a comprehensive Spin Density Matrix framework for analyzing polarization transfer in the decay chain , demonstrating that the state perfectly preserves the initial polarization in the dominant -wave limit while providing a unified method to quantify -wave deviations and extend these insights to other hadronic and electroweak processes.
This paper updates the theoretical predictions for the scattering observables and correlation function by incorporating recent advancements in the fixed center approximation and elastic unitarity, providing crucial benchmarks for upcoming ALICE experimental data to elucidate the nature of axial-vector meson states.
This paper presents an improved, once-subtracted dispersion relation formalism for virtual Compton scattering off the proton that utilizes largely data-driven - and -channel discontinuities to extract nucleon generalized polarizabilities and assess their sensitivity to experimental observables in the energy region.
This paper systematically investigates heavy dibaryon systems composed of double-charm and double-bottom baryons within a nonrelativistic quark model, predicting the existence of various deuteronlike bound states and a compact hexaquark state driven primarily by meson exchange interactions.
This paper demonstrates that simulation-based inference (SBI) is a viable and potentially superior alternative to traditional empirical tuning for determining neutrino interaction model parameters, as it successfully reproduces and slightly improves upon the MicroBooNE collaboration's tuned GENIE configuration while also approximating the NuWro simulation.
This paper utilizes a modified HIJING Monte Carlo generator to demonstrate that event-by-event multiplicity fluctuations serve as a sensitive diagnostic tool for distinguishing between hot and cold media, validating energy loss models, and identifying signatures of a first-order phase transition in relativistic heavy-ion collisions.