2503 papers
Hep-Ex explores the fascinating intersection where particle physics meets experimental reality. This field investigates how scientists build massive detectors and accelerate particles to test the fundamental laws of nature, turning abstract theories into measurable data. It is the rigorous process of searching for new particles or forces that could reshape our understanding of the universe, often requiring years of collaboration and engineering.
At Gist.Science, we ensure these discoveries become accessible to everyone. We process every new preprint in this category directly from arXiv, generating both plain-language explanations for curious readers and detailed technical summaries for specialists. Our goal is to bridge the gap between complex experimental results and public understanding without losing scientific nuance.
Below are the latest papers in Hep-Ex, freshly summarized and ready for you to explore.
This paper proposes a scalar-extended model featuring a trilinear scalar interaction that generates the necessary mass splitting for inelastic dark matter scattering, offering a viable explanation for the 248 keV excess observed by the LUX-ZEPLIN experiment while satisfying current phenomenological constraints.
This paper proposes a novel cosmological model featuring cooling QCD axions with a number density six times that of cosmic microwave background photons to resolve the Hubble tension by effectively doubling the baryon density required by late-universe SH0ES observations while maintaining consistency with early-universe Planck data.
This paper presents simulation-based design studies for a pulsed, quasi-monoenergetic 2-keV neutron source utilizing a deuterium-tritium generator moderated and filtered by scandium to calibrate sub-keV nuclear recoils for dark matter and neutrino detectors while effectively mitigating background radiation.
This paper utilizes chiral perturbation theory to derive the kinetic and mass mixing between generic axion-like particles and light pseudoscalar mesons, providing a comprehensive framework for calculating low-energy scattering and decay processes that consistently incorporates isospin breaking and arbitrary ALP masses.
This study characterizes the wavelength-resolved timing of near-infrared scintillation in gaseous xenon by decomposing the signal into fast atomic and slow continuum components, ultimately identifying an ionic-dimer transition as the most plausible source of the dominant microsecond-scale emission through experimental measurements and theoretical modeling.
This paper proposes that the asymmetric collision mode of the proposed TRISTAN collider operating at ~GeV offers a unique and powerful opportunity to search for electrophilic axion-like particles and bosons in the 5.5–300 GeV mass range, potentially improving existing coupling constraints by up to four orders of magnitude.
This paper introduces a compact feed-forward neural network for correcting timewalk in Timepix4 hybrid pixel detectors that outperforms traditional heuristic fits by achieving comparable time resolutions with only 20% of the calibration data while eliminating the need for explicit functional ansatzes or binning schemes.
This paper demonstrates that both a 100 TeV hadron collider and a 10 TeV muon collider possess the sensitivity to discover new physics up to approximately 6 TeV by probing Higgs coupling deviations that are necessary to restore unitarity in weak boson scattering, with potential corroboration from an intermediate FCC-ee precision program.
Using 138 fb of proton-proton collision data at 13 TeV collected by the CMS experiment, this paper presents a simultaneous particle-level measurement of 25 -subjettiness observables across jets from gluons, light-flavour quarks, and boosted W bosons and top quarks to provide a detailed characterization of jet substructure for refining radiation modeling.
This paper performs a coupled-channel calculation in the hidden-gauge formalism to predict five new states in the bottom sector following the discovery of , while demonstrating that the inclusion of bare components and heavy-quark-spin violating effects significantly reduces the isospin-breaking decay widths of the and states.