2144 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 presents and characterizes a convolutional neural network-based algorithm designed to filter unnecessary detector hits, thereby accelerating online track reconstruction and mitigating the rising computational costs associated with high pile-up conditions at the High-Luminosity LHC.
This paper reports the successful development and commissioning of an integrated experimental system at ELI-NP, utilizing a 0.1 PW laser to search for axion-like particles via Four-Wave Mixing, which has been validated for background studies and is ready for a stepwise energy scale-up from 20 mJ to 2.5 J.
This paper presents a simulation-based proof-of-concept demonstrating that isolated MeV-scale energy deposits ("blips") from neutron inelastic scattering in Liquid Argon Time Projection Chambers can be used to identify and reconstruct the direction and energy of final-state neutrons, thereby enhancing neutrino interaction studies such as neutrino-antineutrino separation.
Using LHCb data, this study performs an amplitude analysis of decays to measure their polarization fractions and asymmetries, resulting in the first observation of violation in this channel with a significance exceeding nine standard deviations.
Using 9 fb⁻¹ of proton-proton collision data collected by the LHCb detector, this study presents the first hadron collider measurement of the lepton flavour universality ratio in decays at high dilepton invariant mass, finding a value of that is consistent with Standard Model predictions.
This paper demonstrates that a future 10 TeV muon collider can significantly surpass current and projected LHC and FCC-ee limits by using detailed simulations of Higgs and top quark production processes to constrain dimension-6 SMEFT operators and probe new physics scales far beyond the LHC's reach.
This paper introduces GAPE, a genetic algorithm-powered evolution method that optimizes deep learning models for the PROSPECT experiment, achieving a nearly 2.8-fold improvement in signal-to-background ratio for reactor antineutrino identification while addressing and mitigating time-dependent training biases.
Using the complete Borexino dataset from 2007 to 2021, researchers established the most stringent experimental limits to date on the lifetime of nuclei against Pauli exclusion principle-forbidden transitions, setting lower bounds ranging from to years for various decay channels and deriving extremely tight upper limits on the relative strengths of such non-Paulian processes.
The CMS Collaboration reports a high-precision measurement of the W boson mass at 80,360.2 ± 9.9 MeV using 13 TeV proton-proton collision data, a result that agrees with Standard Model predictions and provides a stringent test against recent anomalies.
This paper proposes a new, gauge-symmetry-compatible formulation for CP-violating neutral triple gauge couplings within the SMEFT framework and demonstrates that future high-energy colliders, particularly with polarized beams, can probe new physics scales ranging from TeV to 10 TeV with sensitivities improving from to as collision energy increases from 250 GeV to 5 TeV.