Isospin-based EWP-tree RelationsIn 1998, it was shown that, if flavor SU(3) symmetry [SU(3)F] is assumed in charmless B PP decays (P is a light pseudoscalar meson), some reduced matrix elements involving electroweak…Bhubanjyoti Bhattacharya, Marianne Bouchard, Alexandre Jean et al.·May 27, 2026SaveLearn
Probing Quadratically Coupled Ultralight Dark Matter with Pulsar Timing ArraysUltralight dark matter may couple quadratically to Standard Model particles. Such quadratic interactions give rise to both coherent and stochastic signals in pulsar timing array (PTA) observations.…Xucheng Gan, Hyungjin Kim, Andrea Mitridate·May 27, 2026SaveLearn
Enabling stable preservation of ML algorithms in high-energy physics with petrifyMLMachine learning (ML) in high-energy physics (HEP) has moved in the LHC era from an internal detail of experiment software, to an unavoidable public component of many physics data analyses.…Andy Buckley, Louie Corpe, Martin Habedank et al.·May 27, 2026SaveLearn
Toponia at the HL-LHC and FCC-eeThe hint of a pseudoscalar toponium state at the Large Hadron Collider (LHC) opens a new avenue for studying a novel class of QCD (quasi-)bound states with comparable formation and decay times.…Yang Bai, Ting-Kuo Chen, Yiming Yang·May 27, 2026SaveLearn
Comprehensive Constraints on ALP Couplings from future e+e- Colliders, Muon g-2, Thermal Dark Matter and Higgs MeasurementsIn this article, we present projected 95\% C.L. limits on Axion-Like Particle (ALP) couplings from ALP production at a future e+e- collider operating at s = 250~GeV with…Pramod Sharma, Soham Singh, Mukesh Kumar et al.·May 27, 2026SaveLearn
Journey through Gauge Theories: From Foundations to New FrontiersFrom the humble beginnings of particle physics to groundbreaking discoveries, the journey of particle physics has revolutionized our understanding of the universe. The progression of particle…Lisha, Suyash Mehta, Neelu Mahajan·May 27, 2026SaveLearn
Hunting New Animalcula with Flavour Changing ProcessesThis year marks the 350th anniversary of the discovery of the first animalcula (little animals) by van Leeuvanhoek in 1676.Flavour physics makes it possible to search for new animalcula at distance…Andrzej J. Buras·May 26, 2026SaveLearn
From WIMP to FIMP during reheating: collider vs non-collider probes for p-wave annihilationBy examining the transition from freeze-out to freeze-in dark matter (DM) production within the framework of perturbative reheating, where DM interacts with the visible sector through effective…Dipankar Pradhan, Niloy Mondal, Abhik Sarkar et al.·May 26, 2026SaveLearn
Probing Dynamical Inverse Seesaw with Low-frequency Gravitational WavesWe study the possibility of probing the dynamical inverse seesaw mechanism for the origin of light neutrino masses via the detection of stochastic gravitational waves (GW) in the low-frequency regime…Debasish Borah, Sounak Dutta, Partha Kumar Paul et al.·May 26, 2026SaveLearn
Constraints on a Light Leptophilic Scalar from Dark-Sector CouplingsWe study a minimal framework where a Majorana fermion dark matter particle interacts with a light scalar mediator coupled mainly to electrons. We examine both freeze-out and freeze-in production to…Marco Graziani, Giacomo Landini, Federico Mescia et al.·May 26, 2026SaveLearn
Neutrino-antineutrino superfluidityDespite their feeble interactions, dense astrophysical neutrinos can behave collectively, exchanging flavor through waves of the neutrino plasma. Can collective interactions also induce pairing…Damiano F. G. Fiorillo, Georg G. Raffelt, Günter Sigl·May 26, 2026SaveLearn
Influence of the QCD Analogue of the Inverse Compton Effect on the Transverse Momentum and Pseudorapidity Distributions of Secondary Particles in pp Collisions at sqrt (s)= 30 GeV, 510 GeV, and 14 TeVWithin the framework of numerical simulations, this work investigates the influence of the QCD analogue of the inverse Compton effect (ICE) in the quark--gluon scattering process qg → qg on…M. Alizada, M. Suleymanov·May 26, 2026SaveLearn
Refined extraction of electroweak and nuclear parameters from germanium CEνNS dataWe present a combined analysis of recent CEνNS data on germanium from two complementary experiments: COHERENT, which uses neutrinos from pion decay at rest, and CONUS+, which detects reactor…Valentina De Romeri, Laura Duque, Dimitrios K. Papoulias et al.·May 26, 2026SaveLearn
Looking for Condensed Gluons: A Cross-Scale Journey from the Deep Structure of Protons to High-Energy Cosmic Rays -- A Mini-ReviewQuark-gluon dynamics within protons and high-energy radiation phenomena in the universe are typically regarded as two entirely distinct fields. This paper aims to demonstrate that gluon condensation…Wei Zhu, Yu-Chen Tang, Ye-Yin Zhao et al.·May 26, 2026SaveLearn
Exotic Hadron Spectroscopy in Heavy-Flavor SystemsRecent years have brought a dense sequence of experimental discoveries in heavy-flavor hadron spectroscopy. Heavy-flavor spectroscopy has entered a period in which new hadronic structures are no…Mikhail Mikhasenko·May 26, 2026SaveLearn
Improved Big Bang Nucleosynthesis constraints on decaying massive relicsWe present updated and improved Big Bang Nucleosynthesis (BBN) constraints on heavy, long-lived beyond the Standard Model (BSM) relics ϕ decaying into pairs of Standard Model particles, covering a…Sara Bianco, Jonas Frerick, Marco Hufnagel et al.·May 26, 2026SaveLearn
Particle-Lund Multimodality in Jet TaggersThe Lund plane offers a physics-motivated, hierarchical representation of QCD radiation within jets, while transformer-based taggers have reached state-of-the-art performance by learning directly…Loukas Gouskos, Benedikt Maier·May 26, 2026SaveLearn
Attractors and Late Time Asymptotics in a Generalized Relativistic Second Order Spin HydrodynamicsWe investigate the attractor of spin density in relativistic spin hydrodynamics using Zubarev's non-equilibrium statistical operator formalism in the spin probe limit. We derive the (0+1)D…Qi Zhou, Duan She, Ben-Wei Zhang et al.·May 26, 2026SaveLearn
Revealing the Two-Fold Ambiguity: Tau Momentum Reconstruction and Its Impact on Entanglement ObservablesThe neutrinos produced in τ decays cannot be directly detected, making the reconstruction of τ kinematics challenging and affecting measurements of quantum correlations such as spin entanglement.…Xiang Zhou, Jianyong Zhang, Xia Wan et al.·May 26, 2026SaveLearn
Isospin-breaking effects on the threshold cusp structures in ΛN-ΣN scatteringWe discuss the isospin-breaking effects on threshold cusp structures in multichannel scattering near two-body thresholds. In hadronic systems with isospin symmetry, two or more nearly degenerate…Katsuyoshi Sone, Tetsuo Hyodo·May 26, 2026SaveLearn
Testing lepton-flavor-violating decay of doubly charged Higgs bosons in type-II seesaw via photon fusion at the high-energy LHCTiny neutrino masses can be explained by the type-II seesaw mechanism, where a triplet scalar under SU(2)L is predicted. Collider searches for this exotic scalar have been extensively conducted,…Hang Zhou, Ning Liu·May 26, 2026SaveLearn
Contributions of interference and non-interference components to CP asymmetries in heavy meson decaysIn multi-body decays of heavy mesons, conventional CP asymmetry observables obtained by integrating over the full phase space are insensitive to the higher-order wave expansion contributions in the…Jing-Juan Qi, Yi-Fan Zhao, Jin-Xia Liu et al.·May 26, 2026SaveLearn
Muon-Catalyzed Nuclear Fusion: Physical Mechanism, Bottleneck Breakthroughs, and an Engineering PathwayMuon-catalyzed nuclear fusion (μcf) replaces atomic electrons with negative muons, compressing atomic orbitals by about two orders of magnitude and enabling deuterium--tritium (D--T) fusion under…Xiong Yin, Wei Kou, Xurong Chen·May 26, 2026SaveLearn
Spin-dependent interactions and fine structure in the negative-parity singly heavy baryonsIn order to meet the high-precision measurement of the current baryon spectroscopy, for the first time, we rigorously analyze the spin-dependent interactions and the fine structure of the…Zhen-Yu Li, Guo-Liang Yu, Zhi-Gang Wang et al.·May 26, 2026SaveLearn
Electromagnetic form factors of the nucleon from the instanton vacuumWe investigate the electromagnetic form factors of the nucleon within an effective chiral theory derived from the QCD instanton vacuum, taking into account the finite current quark mass. The…Hui-Jae Lee, Yongwoo Choi, Hyun-Chul Kim·May 26, 2026SaveLearn