2101 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 compares dimension-8 effects on production from quark-antiquark and photon-photon initial states at the LHC, demonstrating that the photon-photon channel offers a dominant bosonic contribution for constraining anomalous gauge couplings and assessing the validity of Effective Field Theory while providing updated limits using current and future data.
This paper investigates a dark neutrino portal scenario where a light gauge boson mediates ultra-long-range neutrinophilic forces, demonstrating that the Deep Underground Neutrino Experiment (DUNE) can probe previously unexplored parameter space that simultaneously addresses neutrino oscillation anomalies and the Hubble tension.
By analyzing high-precision exclusive photon leptoproduction data while addressing tensions with CLAS 2018 measurements, this study extracts a proton charge radius consistent with the small-radius solution of the proton charge-radius puzzle, thereby validating BH-dominated processes as a reliable independent method for determining proton electromagnetic structure.
This paper presents a selection of recent ATLAS and CMS measurements exploring Quantum Chromodynamics across a wide range of energy scales, from soft hadronic interactions and event-shape observables to hard perturbative processes like di-jet production, double-parton scattering, and diffractive events measured by forward proton detectors.
This paper demonstrates that tetraphenyl butadiene-coated wavelength-shifting fibers can reliably detect scintillation light in high-pressure gaseous xenon and argon, achieving light collection efficiencies of approximately 1% and validating their suitability for future large-scale time-projection chambers like those in the NEXT program.
Using 138 fb of proton-proton collision data at 13 TeV, the CMS experiment performed a search for nonresonant triple Higgs boson production in the six-bottom-quark final state, setting the most stringent constraints to date on the signal cross section and trilinear and quartic Higgs coupling modifiers while excluding a portion of the parameter space allowed by perturbative unitarity.
This paper describes the extension of the variable flavor number scheme to three-loop order, which incorporates mass effects and heavy-quark parton distribution functions, validates this approach at large scales through renormalization group analysis, and provides numerical implementations of relevant Wilson coefficients.
This paper presents the first measurement of the -jet identification efficiency for the transformer-based GN2 algorithm using 56 fb of 13.6 TeV proton-proton collision data collected by the ATLAS detector, demonstrating significant performance improvements over its predecessor and providing essential correction factors for physics analyses.
This paper proposes that enhancing direct detection sensitivity for inelastic Higgsino dark matter is achievable by utilizing heavy elements around detectors and accounting for terrestrial radioactivity and the Large Magellanic Cloud's influence on dark matter velocity, potentially allowing experiments like JUNO and SNO+ to cover the remaining supersymmetric parameter space.
This paper presents the design and successful operation of a high-voltage delivery and distribution system for the NEXT-100 time projection chamber, which has been validated to sustain pressures up to 20 bar and voltages up to -65 kV while adhering to strict radiopurity requirements for neutrinoless double beta decay searches.