2539 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 identifies unphysical kinematic features in EvtGen simulations of semileptonic decays involving resonances caused by neglected phase-space factors and proposes a reweighting method to correct the affected hadronic invariant mass distributions.
This paper presents the most comprehensive effective field theory interpretation to date by the ATLAS Collaboration, constraining 48 Wilson coefficients through a combined fit of diverse Higgs, electroweak, and top quark measurements while finding no significant deviations from the Standard Model.
The paper introduces TAMBO, a novel neutrino telescope utilizing a unique deep valley geometry to achieve unprecedented signal-to-background discrimination in the 1-1000 PeV range, thereby enabling precise mapping of high-energy astrophysical neutrino sources.
The paper introduces SPADE, an autoregressive transformer that independently embeds and delays multi-feature tokens to leverage standard self-attention for learning intra-token correlations, achieving state-of-the-art performance in high-granularity calorimeter shower simulation.
This paper presents an enhanced White Rabbit-based clock synchronization system for the CEPC accelerator that achieves a measured end-node precision of 7.30 ps under temperature variations, significantly surpassing the required 30 ps synchronization budget through architectural improvements including a Si5345A DSPLL, reduced restart uncertainty, and reinforcement learning-based PID control.
This paper evaluates the REDTOP experiment's potential to discover physics beyond the Standard Model and probe discrete symmetries by leveraging its unprecedented dataset of and mesons to search for hidden sectors via four specific portals while simultaneously refining crucial inputs for the muon anomalous magnetic moment.
Using state-of-the-art 3D simulations, this paper assesses how magnetorotational stellar core collapses contribute to the diffuse supernova neutrino background, finding that they enhance the high-energy spectrum and could significantly accelerate the detection of this background or allow for the measurement of their occurrence fraction in future neutrino observatories.
This paper analyzes the synergy between future Tera- factories (such as FCC-ee or CEPC) and non-collider dark matter searches, demonstrating that high-precision electroweak measurements can effectively probe new physics scenarios involving dark matter and a -channel mediator.
This paper proposes that the SHIFT@LHC fixed-target concept could enable the first-ever detection of neutrinos in general-purpose LHC detectors (CMS and ATLAS), predicting approximately 10,000 muon-neutrino and 1,000 electron-neutrino interactions from proton-gas collisions to provide unique access to hadron production in the pseudorapidity range of 5 to 8.
This paper revises the Standard Model description of the rare decays by incorporating the previously overlooked cascade contribution, which significantly enhances the predicted decay rate and achieves unprecedented agreement with LHCb data while maintaining consistency with hadronic parameters from analogous four-body decays.