Probing the neutrino chemical potential with cosmological observationsThe electron neutrino degeneracy parameter, ξνe = μνe / T, is tightly constrained by Big Bang Nucleosynthesis (BBN), while the degeneracy parameters of the other neutrino…Pietro Ghedini, Riccardo Impavido, Stefano Gariazzo et al.·Jun 26, 2026SaveLearn
Scattering Amplitudes and Resonant Processes in QED with Chiral Chemical Potential and Chiral Magnetic ConductivityThe QED scattering amplitude in a chiral medium characterized by a constant chiral chemical potential μ5 and chiral magnetic conductivity b0 is analyzed. We show the emergence of the resonant…Jonathan D. Kroth, Kirill Tuchin·Jun 26, 2026SaveLearn
Quantum Correlations in the Decay of B0 meson and Entanglement EntropyWe present a phenomenological study of quantum correlations in the decay of B0 mesons into a system of two vector mesons. The decay of the B0 meson into two vector mesons constitutes a…Divya Sharma, Vaibhav Rawoot, Sudip Kumar Haldar·Jun 26, 2026SaveLearn
Antideuteron production from beauty-hadron decays: a first phenomenological studyLight antinuclei, such as antideuteron (d) and antihelium (3He,4He), provide a link between collider physics and indirect Dark…Marta Razza, Nicolò Jacazio, Francesca Bellini·Jun 26, 2026SaveLearn
Prospects for probing neutral vector-like leptons via pair production at muon colliderVector-like leptons (VLLs) are well-motivated candidates for physics beyond the Standard Model. We investigate the sensitivity of the 6 TeV muon collider to the neutral doublet VLL (denoted as N)…Chong-Xing Yue, Mei-Shu-Yu Wang, Xin-Yang Li et al.·Jun 26, 2026SaveLearn
Leptonic CP Conservation and the Quark CP Phase from Octonionic Flavor StructureOne generation of standard-model fermions can be realized on the complexified octonions through the Clifford algebra Cl(6); the octonionic unification programme extends this to three…Bishnu Gupta Teli, Tejinder P. Singh·Jun 26, 2026SaveLearn
Bootstrapping two-loop six-gluon amplitudes in QCDThe maximally transcendental, or most complicated, terms of gauge-theory scattering amplitudes have long been singled out, following Lipatov and collaborators, as those parts of a QCD amplitude that…Sérgio Carrôlo, Dmitry Chicherin, Johannes M. Henn et al.·Jun 26, 2026SaveLearn
HydroGrav: Precise hydrodynamics and gravitational waves for cosmological phase transitionsWe present HydroGrav, a C++ code used to construct self-similar fluid profiles, using the exact equation of state determined directly from the effective potential, for any particle physics model…Flynn Linton, William Searle, Xiao Wang et al.·Jun 26, 2026SaveLearn
From the quark parton model to QCDThe quark parton model grew out of deeply inelastic scattering experiments. The parton model developed into a full theory, quantum chromodynamics, QCD. This article explains some of the physics…Davison E. Soper·Jun 26, 2026SaveLearn
t t production as a window to invisible new physicsWe present a phenomenological study where we probe the sensitivity to invisible dark matter (DM) mediators produced in association with a tt pair at the Large Hadron Collider (LHC). Building…Rodrigo Capucha, João Lopes, João Bravo Martins et al.·Jun 26, 2026SaveLearn
Principles and Possibilities for Bound States in Gauge TheoryBound states differ from scattering yet are not covered in textbooks on Quantum Field Theory. I discuss a perturbative method for QED and QCD based on canonical quantization. Fully fixing temporal…Paul Hoyer·Jun 26, 2026SaveLearn
Maximal Abelian Flavor SymmetriesA framework, MAFS, is introduced that provides an approximate description of the hierarchies of quark and lepton masses and mixing angles in terms of a set of small parameters, εa, one for each…Juanca Carrasco-Martinez, Lawrence J. Hall·Jun 26, 2026SaveLearn
When JIMWLK evolution really matters: the example of incoherent diffractionWe consider high energy scattering in the effective theory of the Color Glass Condensate. The most convenient degrees of freedom are Wilson lines encoding multiple gluon exchanges, whose evolution…T. Lappi, D. N. Triantafyllopoulos·Jun 26, 2026SaveLearn
Quantum gravity contributions to the gauge and Yukawa couplings in proper time flowWe derive quantum gravity contributions to the beta functions of the gauge and Yukawa couplings of a matter theory using the Schwinger proper-time flow equation. Working in the Einstein-Hilbert…Gabriele Giacometti, Kamila Kowalska, Daniele Rizzo et al.·Jun 26, 2026SaveLearn
b c semileptonic sum rule: exploring a sterile neutrino loopholeWe investigate the b c semileptonic sum rule in the presence of a massive sterile neutrino. Recent measurements of charged-current semitauonic B-meson decays exhibit a 4σ deviation from…Motoi Endo, Syuhei Iguro, Tim Kretz et al.·Jun 26, 2026SaveLearn
Connecting Flavor and Baryon Asymmetry via Leptogenesis in Effective Froggatt-Nielsen TheoryWe investigate the hierarchical flavor structure of the Standard Model (SM) in a Froggatt-Nielsen (FN) framework, where the spontaneous breaking of a U(1) FN symmetry by a complex flavon…Cheshta Batra, Rusa Mandal, Kunal Rawat et al.·Jun 26, 2026SaveLearn
Momentum Broadening in the Opacity Expansion: All-Path-Length Corrections and Improved Regge KinematicsWe present a detailed study of momentum broadening and the jet transport coefficient q for high-energy partons traversing the Quark-Gluon Plasma (QGP), extending the Gyulassy-Levai-Vitev…Dario van den Berg, Isobel Kolbé·Jun 26, 2026SaveLearn
Revealing Neutrino Mass Ordering at CEPC and FCC-eeThe neutrino masses ordering remains one of the most important open questions in neutrino physics. While upcoming oscillation experiments aim to resolve this problem at low energies, complementary…Wei Liu, Supriya Senapati, Jin Sun·Jun 26, 2026SaveLearn
Relativistic Bethe-Salpeter study of OZI-rule allowed strong decays: determination of total width of hc(2P) and 3P0 model parameterStrong decays allowed by the Okubo-Zweig-Iizuka rule play a decisive role in determining the properties of particles. The widely used 3P0 model is non-relativistic and contains unknown…Yi-Yi Rui, Tianhong Wang, Zhi-Hui Wang et al.·Jun 26, 2026SaveLearn
Entanglement, Yang-Mills, and the Scattering Matrix as an SU(N)-equivariant KernelWe study two-body scattering as an SU(N)-equivariant map acting on tensor-product representation spaces and analyze the entanglement generated by the S-matrix. This representation-theoretic…Kun-Feng Lyu, Rahul Muraleedharan, Kuver Sinha·Jun 26, 2026SaveLearn
Coscattering Dark Matter in the Inverse Scotogenic ModelsThe Scotogenic mechanism is an appealing pathway to naturally explain the common origin of dark matter and tiny neutrino mass. However, the conventional scotogenic dark matter usually suffers…Ang Liu, Zhi-Long Han, Fei Huang et al.·Jun 26, 2026SaveLearn
Revisiting the soft-hard separation in the transverse momentum spectra of pp collisionsWe study the separation of soft and hard components in the transverse momentum spectra of charged particles as measured by ALICE in proton-proton collisions at s = 2.76, 5.02 and 13 TeV at…Gábor Bíró, Guy Paić, Leonid Serkin et al.·Jun 26, 2026SaveLearn
Lepton polarization dependent angular observables and the polarization asymmetries in the four-fold Λb → Λ(→ N π) +- decayThe rare decays mediated by flavor-changing neutral current processes, such as b s +-, provide powerful probes of the Standard Model and potential windows into new physics.…Rana Khan, Faisal Munir Bhutta, Ishtiaq Ahmed et al.·Jun 26, 2026SaveLearn
Quantum Semiconductor Heterostructures for meV Axion Dark Matter DetectionWe propose a novel strategy and a new class of detectors for the direct detection of axion dark matter in the meV mass range, based on resonantly enhanced axion-photon conversion through the inverse…Jaanita Mehrani, Tao Xu, Andrey Baydin et al.·Jun 26, 2026SaveLearn
Anomalous scaling of linear power correctionsNon-perturbative corrections to hadronic observables represent a critical obstacle to increasing accuracy at colliders. Long taken to scale simply as 1/Q, where Q is the centre-of-mass scattering…Casey Farren-Colloty, Jack Helliwell, Rtvik Patel et al.·Jun 26, 2026SaveLearn