1434 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 highlights how the high-precision measurements of electron and muon magnetic moments serve as critical tests of the Standard Model and quantum field theory, with the electron offering the most stringent validation of current theories and the muon providing a sensitive probe for discovering new physics beyond the Standard Model.
This paper demonstrates that transformer-based deep learning architectures significantly outperform traditional cut-based analyses in detecting top quark flavor-changing neutral current interactions with photons at the LHC, enabling the exploration of rare branching ratios as low as at the high-luminosity phase.
This paper presents methodologies and tools for deploying Transformer-based subatomic particle tracking models onto FPGAs, addressing current tool limitations and resource constraints through monolithic or automated partitioned synthesis to achieve low-latency inference.
Using the Born-Oppenheimer approximation within a dynamical diquark model, this study identifies the states as compact tetraquarks composed of axial-vector diquark pairs, supported by calculated root-mean-square radii significantly smaller than 1 fm.
This paper reports the first experimental demonstration of electron beam storage in an ultra-compact weak-focusing ring using a three-dimensional spiral injection scheme, validating the method's potential for next-generation precision measurements.
This paper refutes the recent claim of strong evidence for cosmic statistical anisotropy by demonstrating that the reported high significance results from the look-elsewhere effect, as the combined p-value becomes statistically insignificant when accounting for the large number of anomaly tests considered in the literature.
Using 427.9 fb of data collected by the Belle~II detector, this study measures the cross sections for () via initial-state radiation, confirming previous results for pion and kaon channels while presenting the first investigation of the proton channel and searching for vector charmonium-like structures.
This study introduces a data-driven approach to quantify global vorticity in relativistic heavy-ion collisions by analyzing transverse momentum spectra across various hadron species and collision conditions, revealing significant dependencies on particle type, centrality, and beam energy that offer new insights into the rotational dynamics and freeze-out properties of quark-gluon plasma.
This paper presents state-of-the-art theoretical predictions for the electromagnetic Dirac form factors of hyperons by computing next-to-leading-order QCD corrections within the hard-collinear factorization framework and combining them with lattice QCD-determined distribution amplitudes.
This paper presents a new real-time luminosity determination method for the upgraded LHCb experiment, implemented directly in the VELO detector's FPGA firmware using 40 MHz hit reconstruction, which achieves sub-percent statistical resolution and millisecond-level granularity during the 2024 physics run.