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 demonstrates that darkogenesis scenarios, where a dark-sector particle transports asymmetry over large distances before decaying into visible baryons, naturally resolve the problem of baryon inhomogeneity induced by supercooled phase transitions, thereby avoiding stringent constraints from Big Bang Nucleosynthesis.
The SuShi project study demonstrates that while sustainable rammed earth requires approximately 20% more thickness than concrete to shield against MeV-range ionizing radiation due to lower density, its composition and moisture content significantly influence attenuation at energies below 0.1 MeV.
This paper demonstrates that one-loop operator mixing in lepton-number-violating dimension-7 SMEFT fundamentally reshapes flavor sensitivity by radiatively connecting neutrinoless double beta decay and rare meson decays, thereby significantly extending the reach for new physics across different quark and lepton flavor sectors.
This paper investigates the parameter space of the -invariant NMSSM where a Singlino-dominated neutralino serves as dark matter, identifying viable regions consistent with experimental constraints, analyzing dominant annihilation mechanisms, and evaluating the discovery potential of triple-boson final states at the High-Luminosity LHC.
This paper revisits the factorization of inclusive deep inelastic scattering near the kinematic threshold using collinear, off-light-cone operators to demonstrate that the Collins-Soper kernel universally governs rapidity evolution in both this process and transverse-momentum-dependent semi-inclusive DIS, thereby resolving outstanding issues regarding soft radiation and rapidity divergences.
The ALICE Collaboration presents its first Run 3 measurements of charged-particle pseudorapidity density at midrapidity in Pb-Pb collisions at TeV, utilizing upgraded detectors to establish a centrality-dependent baseline that aligns with previous trends and is compared against various theoretical models of particle production.
This paper introduces Lorentz Local Canonicalization (LLoCa), a method that ensures exact Lorentz-equivariance for arbitrary neural networks with minimal overhead, demonstrating state-of-the-art performance in amplitude regression, event generation, and jet tagging while highlighting the significance of symmetry breaking.
This paper presents the most precise single-experiment measurement of the effective leptonic weak mixing angle to date, , extracted from CMS Drell-Yan data at 13 TeV using enhanced PDF constraints, which shows excellent agreement with the Standard Model prediction.
This paper develops general formulas for axion-photon oscillations involving multiple axion species, demonstrating that their interference and coherence effects can qualitatively alter, enhance, or suppress experimental signals in light-shining-through-a-wall, helioscope, and haloscope searches, thereby offering new avenues to identify and characterize axion multiplicity.
This paper proposes a novel two-chip Qubit-based Light Dark Matter detector utilizing quantum parity measurement and full phonon/quasiparticle simulations to achieve nearly 100% efficiency in detecting meV energy depositions, thereby advancing sensitivity to dark matter scattering and absorption by orders of magnitude.