1495 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 reassesses the long-standing gallium anomaly by calculating neutrino capture cross sections using self-consistent electron wave functions derived from the Dirac-Coulomb equation, thereby updating the global significance of the discrepancy and its interpretation regarding sterile neutrinos.
This paper investigates double quarkonium production in polarized hadronic collisions using the Color-Singlet Model and TMD factorization to demonstrate that measuring azimuthal modulations in specific kinematic regions at COMPASS and AMBER can provide direct access to quark distributions and enable a further test of the quark Sivers function sign change.
This paper demonstrates that the JUNO experiment's ability to determine the neutrino mass ordering could be severely compromised or completely lost due to a previously unrecognized resonant enhancement of the mixing angle induced by scalar non-standard neutrino interactions.
This paper refines estimates of energy released as "scalar tsunamis" when light scalar fields surrounding collapsing stars are liberated upon black hole formation, demonstrating that while the total energy remains comparable to flat-space predictions, general relativity and improved initial modeling significantly alter the resulting energy spectrum.
Using 140 fb of ATLAS data from 13 TeV proton-proton collisions, this paper presents precise measurements of inclusive and differential cross-sections in dilepton events, which are utilized to determine the top-quark pole mass and provide complementary production results.
This paper investigates the rare decay within both the Standard Model and a scalar leptoquark scenario, providing predictions for key observables in charmonium-free regions to guide future experimental searches for new physics at Belle II and LHCb.
This paper demonstrates that primordial temperature fluctuations modulate the axion mass during the QCD phase transition to trigger parametric resonance, which significantly enhances axion production and shifts the viable dark matter mass window to the higher range of .
This paper investigates two-body non-leptonic weak decays, demonstrating that long-distance triangle rescattering processes mediated by pion exchange dominate over negligible short-distance contributions, and provides theoretical predictions for branching fractions of specific channels to guide future experimental studies at BESIII, Belle(-II), and LHCb.
This paper demonstrates that a ResNet-based convolutional neural network, augmented with soft scoring and an auxiliary regression head, significantly outperforms traditional boosted decision trees and dense neural networks in discriminating photons from pions amidst overlapping electromagnetic showers in high-luminosity collider environments.
This paper investigates novel same-sign multi-lepton signatures ( and ) arising from heavy neutral lepton production in the channel at 3 TeV and 10 TeV muon colliders within gauged extension models.