The B+ K+ ν ν decay as a QCD axion search: comparing reinterpretation approachesTwo recent independent analyses of Belle II B+ \! \! K+νν data yield limits on B(B+ \! \! K+ a) -- the two-body mode to a light invisible particle such as the QCD axion…Merna Abumusabh, Giulio Dujany, Diego Guadagnoli et al.·Jun 18, 2026SaveLearn
The X17 Anomaly: Experimental Evidence and Theoretical InterpretationsThis review summarizes the experimental evidence for the hypothetical X17 particle, examines the theoretical frameworks in which it can be accommodated, and discusses its potential implications for…Raoul Serao, Aniello Quaranta, Antonio Capolupo·Jun 18, 2026SaveLearn
New Gauge Forces, Neutron Stars and Schwinger Neutrino ProductionWe investigate neutrino effects of new long-range forces arising from gauging B-L, Le-Lμ/τ or Lμ-Lτ symmetries of the Standard Model. The leptonic potential generated by astronomical…Yuxin Liu, Zhen Liu, Andrey Shkerin et al.·Jun 18, 2026SaveLearn
Revisiting the role of saturation in diffractive vector meson productionWe perform a global Bayesian analysis of coherent and incoherent diffractive J/ψ photoproduction in γ+p and γ+Pb collisions using a Color Glass Condensate (CGC)-based…Heikki Mäntysaari, Hendrik Roch, Björn Schenke et al.·Jun 18, 2026SaveLearn
Renormalization of axial anomaly in SU(N)×U(1)Defining γ5 within dimensional regularization remains a fundamental challenge. Larin's prescription addresses this by introducing additional renormalization constants to restore standard and…Tanmoy Pati, Narayan Rana·Jun 18, 2026SaveLearn
Theory Calculations for LDMX and LOHENGRIN beyond Coherent Bethe-Heitler ScatteringThe Light Dark Matter eXperiment (LDMX), DarkSHINE, and LOHENGRIN are proposed new experiments. They aim to search for missing momentum signals sourced by the direct production of dark photons with…Martin Schürmann, Herbert K. Dreiner, Rhorry Gauld·Jun 18, 2026SaveLearn
Dyonic lattices, θ-angles and axions in the Standard ModelWe investigate the implications of the Witten effect in the Standard Model with a general global gauge group structure and determine the values of the three θ-parameters that lead to distinct…Rodrigo Alonso, Francesca Chadha-Day, Despoina Dimakou et al.·Jun 18, 2026SaveLearn
Three-particle di-light-cone distribution amplitudes of the B-meson in heavy-quark effective theoryWe present a systematic study of the three-particle di-light-cone distribution amplitudes (DLCDAs) of the B-meson. They are defined through B-meson--to--vacuum matrix elements of trilocal HQET…Riccardo Bartocci, Philipp Böer, Thorsten Feldmann et al.·Jun 18, 2026SaveLearn
Addressing uncertainties of model predictions for extensive air showers initiated by high energy cosmic raysA new Monte Carlo generator of hadronic collisions, QGSb, is applied for studying model uncertainties regarding calculations of the development of extensive air showers (EAS) initiated by…Sergey Ostapchenko, Tanguy Pierog, Günter Sigl·Jun 18, 2026SaveLearn
The Simplest Dirac Scoto-Seesaw RealizationWe present a simple Dirac scoto-seesaw framework based on the anomaly-free U(1)B-L charge assignment (-4,-4,5) for νR. This chiral charge assignment naturally accounts for the observed…Sin Kyu Kang, Ranjeet Kumar, Hemant Kumar Prajapati·Jun 18, 2026SaveLearn
Toward Precision Fragmentation of Ω3Q Baryons: The OMG3Q1.1 FrameworkRecent experimental advances in the baryon sector, including the observation of doubly charmed states, have renewed interest in the production mechanisms of increasingly heavy hadronic systems,…Francesco Giovanni Celiberto·Jun 18, 2026SaveLearn
Non-standard decays of vector-like top partners in a 2-Higgs doublet model at the HL-LHCExtensions of the Standard Model featuring both an enlarged scalar sector and vector-like fermions arise naturally in a wide class of well-motivated theoretical frameworks. In such scenarios,…Tanumoy Mandal, Stefano Moretti, Rachit Sharma·Jun 18, 2026SaveLearn
Two Flavon Froggatt-Nielsen Models with Genetic AlgorithmsWe present the first systematic and comprehensive scan of two-flavon Froggatt-Nielsen (FN) models, employing artificial intelligence techniques to explore the high-dimensional, mixed…Miguel Crispim Romão, Stephen F. King·Jun 18, 2026SaveLearn
NLO QCD and EW corrections to semileptonic vector-boson scattering at the LHCVector-boson scattering with semileptonic final states has recently been measured at the LHC, and future experiments are expected to further increase the precision of its measurement, calling for…Ansgar Denner, Robert Franken, Daniele Lombardi et al.·Jun 18, 2026SaveLearn
Ξcc++-Ξcc+ Transitions as a Two-Charm-Selective Portal to Ultra-Low-Q Charged CurrentsThe recent LHCb observation of Ξcc+ opens the ultra-low-Q transition Ξcc++Ξcc+ as an experimentally motivated null test of charged-current new physics. Our two- and…Yong Du·Jun 18, 2026SaveLearn
New Avenues of Heavy Neutral Lepton at Muon ColliderWith initial state radiation, the multi-TeV muon collider can be regarded as an electroweak boson collider. The dominant production mode of the certain process becomes the vector boson fusion…Fa-Xin Yang, Feng-Lan Shao, Zhi-Long Han et al.·Jun 18, 2026SaveLearn
Extraction of charmonium branching fractions from J/ψγηc radiative decaysWe assess the tension between theoretical predictions and the values quoted by the Particle Data Group (PDG) for the partial decay width and branching fraction associated with the radiative…Magnus C. Schaaf, Antonio Vairo·Jun 18, 2026SaveLearn
Constraining ADD black holes at the LHC with s = 14 TeVWe explore microscopic black holes at the Large Hadron Collider (LHC) in the context of the ADD model for the centre-of-mass energy s = 14~TeV at an integrated luminosity of…Ashfaque Ahmad, Sudhir Kumar Gupta, Abbas Ali·Jun 18, 2026SaveLearn
Charged Lepton Flavor Violation at Neutrino TelescopesAny observation of charged lepton flavor violation (CLFV) would be a clear signal of beyond-the-Standard-Model physics. Here, we propose a novel CLFV search using neutrino telescopes with their large…Writasree Maitra, Carlos A. Argüelles, P. S. Bhupal Dev et al.·Jun 18, 2026SaveLearn
Light hybrid baryons in the constituent model of QCDHybrid baryons, in which gluonic degrees of freedom play an explicit dynamical role, provide a key testing ground for nonperturbative quantum chromodynamics. In this work, we investigate the mass…Joachim Viseur, Claude Semay, Cyrille Chevalier·Jun 18, 2026SaveLearn
Thermal dileptons to probe the baryon-rich QCD matter in the forward region of LHC energy heavy-ion collisionsWe investigate thermal dilepton production from a quark-gluon plasma (QGP) with finite baryon chemical potential (μB) in central Pb-Pb collisions at…Motomi Oya, Nicholas J. Benoit, Chiho Nonaka et al.·Jun 18, 2026SaveLearn
Dark Z' at a Muon Collider: Radiative Return versus Vector Boson FusionA secluded, massive Abelian gauge boson called a dark Z' may interact with the Standard Model through kinetic mixing and mass mixing in the Higgs sector. We determine the sensitivity of a future…Nicko Angelo Rabang, Philip Tanedo, Marvin Flores·Jun 18, 2026SaveLearn
Gravitino Freeze-In Dark Matter with an Additional Scalar FieldThe gravitino is a prominent example of a freeze-in dark matter candidate. Its relic abundance depends on the reheating temperature and on supersymmetry-breaking parameters, that is the universal…Georgios Georgilas, Vassilis C. Spanos·Jun 18, 2026SaveLearn
Towards Measuring the CP-Violating Phase with Atmospheric NeutrinosWe propose a new approach to measuring the CP-violating phase in neutrino mixing using atmospheric neutrinos, differing significantly from prior work. We develop an up-down flux ratio for sub-GeV…John F. Beacom, Nicole F. Bell, Matthew J. Dolan et al.·Jun 18, 2026SaveLearn
Probing Majoron Dark Matter with Gravitational Wave DetectorsThe Majoron is a hypothetical (pseudo) Nambu-Goldstone boson arising from the spontaneous breaking of a global lepton number symmetry, and is known as a candidate for dark matter in our Universe. In…Ippei Obata, Tsutomu T. Yanagida·Jun 18, 2026SaveLearn