Top Pair Threshold RevisitedRecently the CMS and ATLAS collaborations have found evidence for an unexpectedly large ttbar cross section in the threshold region, with an excess of the order of 5-10 pb relative to continuum…Torbjörn Sjöstrand, Valery A. Khoze, Christian T. Preuss·May 19, 2026SaveLearn
Weak Triplet Models of Neutrino Magnetic MomentsExperimental limits on neutrino magnetic moments remain several orders of magnitude above the predictions of the Standard Model; therefore, any future detection would provide unambiguous evidence for…Svjetlana Fajfer, Shaikh Saad·May 19, 2026SaveLearn
The twist-3 gluon contribution to AN in J/ψ production in pp collisionsWe present our results for the twist-3 gluon contribution to the single transverse-spin asymmetry(SSA) in J/ψ production in proton-proton collisions. Although the data were reported by the RHIC…Longjie Chen, Shinsuke Yoshida·May 19, 2026SaveLearn
The canonical approach at high temperature revisitedThis paper discusses a paradox encountered when employing the canonical approach, particularly in the high-temperature region where the Roberge-Weiss transition exists at finite imaginary chemical…Kouji Kashiwa, Hiroaki Kouno·May 19, 2026SaveLearn
RooAgent: An LLM Agent for Root-Based High Energy Physics AnalysisWe present RooAgent as a natural-language interface for Root-based high energy physics data analysis. The package provides physics analysis functions as tools that an LLM agent invokes in response to…Aman Desai·May 19, 2026SaveLearn
TMDs in the Lens of Generative AI: A Pixel-Based Approach to Partonic ImagingThis work introduces a novel, nonparametric pixel-based framework for the Bayesian inference and imaging of transverse momentum dependent (TMD) parton distributions. The methodology is built upon a…Marco Zaccheddu, Leonard Gamberg, Wally Melnitchouk et al.·May 19, 2026SaveLearn
JLab and J-PARC for the J/ψ Production at the ThresholdNew threshold measurements for γ~p p~J/ψ p~(μ+μ-) by 007 and γ~p p~J/ψ p~(e+e-) by CLAS12 allow us to extend the previous phenomenological determination of the…Igor I. Strakovsky, Jung Keun Ahn, William J. Briscoe et al.·May 19, 2026SaveLearn
Minimal Freeze-in Dark Matter: Reviving electroweak doublet dark matter with Boltzmann suppressed freeze-inDark matter communicating with the Standard Model solely via electroweak interactions provides a compelling picture. However, thermal freeze-out of electroweak doublet dark matter is generically…Nicolás Bernal, Sagnik Mukherjee, James Unwin·May 19, 2026SaveLearn
Prospects for discovering strongly decaying doubly heavy Tbc tetraquark states at LHCbWe investigate the discovery potential of the Tbc state with JP = 0+ in proton-proton (pp) collisions at LHCb at a center-of-mass energy of s = 13~TeV. The study focuses…Mingjie Feng, Yiming Li, Hua-Sheng Shao·May 19, 2026SaveLearn
Minimal Modular Flavor Symmetry and Lepton Textures Near Fixed PointsAn extension of the Standard Model with Γ2 S3 modular flavor symmetry is presented. We consider the construction of the lepton sector, augmented by two right-handed neutrino states, in the…Zurab Tavartkiladze·May 19, 2026SaveLearn
Probing Excited qq Mesons via QCD Sum RulesWe present a systematic study of the masses of light excited qq mesons using QCD sum rules at next-to-leading order (NLO). To probe excited states, we construct several interpolating currents…Shuang-Hong Li, Wei-Yang Lai, Hong-Ying Jin·May 19, 2026SaveLearn
Nucleon Electric Dipole Moments in Paramagnetic Molecules through Effective Field TheoryElectric dipole moment (EDM) measurements using paramagnetic molecules have significantly advanced over the last decade. Traditionally, these experiments have been analyzed in terms of the electron…Wouter Dekens, Jordy de Vries, Lemonia Gialidi et al.·May 19, 2026SaveLearn
Flavor hierarchies with nonminimal irreducible representationsWe propose a new class of flavour models in which the spurion which breaks Standard Model flavour symmetries transforms in a non-minimal representation. Hierarchies in fermion masses, which arise…Hannah Banks, Graeme Crawford, Matthew McCullough et al.·May 19, 2026SaveLearn
Reviving WIMP dark matter with temperature-dependent couplingsThe persistent null results at dark matter (DM) direct-detection experiments have pushed the popular weakly interacting massive particle (WIMP) DM to tight corners. Generic WIMP models with…Debasish Borah, Arnab Dasgupta, Tong Arthur Wu·May 19, 2026SaveLearn
Annihilating to the Darker: Thermal Relic Dark Matter with an Ultraweak Portal to the Standard ModelThermal relic dark matter has been severely constrained in recent years by direct and indirect dark matter searches, as well as multi-messenger probes of dark sectors. At the current level of…Wan-Zhe Feng, Zi-Hui Zhang·May 19, 2026SaveLearn
Spectral fringes without subcycles in Schwinger pair production and Dirac materialsSpectral fringes in Schwinger pair creation are usually attributed to structured driving, such as carrier oscillations, pulse trains, or multiple creation events. We show that pronounced fringes can…I. A. Aleksandrov, M. A. Dorodnyi, E. D. Akimkina·May 18, 2026SaveLearn
Looking at the Entropy in a Proton through a QGP LensWe investigate the interplay between the thermodynamic (Gibbs) entropy of quark-gluon plasma (QGP) and the quantum entanglement entropy characteristic of confined hadronic states across the…Dmitri E. Kharzeev, Krishna Rajagopal·May 18, 2026SaveLearn
Meson Octet in a Uniform Magnetic FieldChiral perturbation theory is utilized to construct the renormalized magnetic masses and decay constants of the meson octet at next-to-leading order. While the neutral pion mass decreases identically…Prabal Adhikari·May 18, 2026SaveLearn
The Majoron Cosmological Window: Dark Matter and Thermal LeptogenesisThe majoron is the Nambu-Goldstone boson associated with the spontaneous breaking of a global B-L symmetry. Remarkably, the minimal majoron framework can simultaneously address three key empirical…Arturo de Giorgi, Daniel Naredo-Tuero, Xavier Ponce Díaz·May 18, 2026SaveLearn
Final-state rescattering in B0(s) Λ+cΛ-c decaysThe LHCb Collaboration has recently reported the first observation of the decay Bs0 Λc+Λc-, along with measurements of the branching fractions for both $ B0…Zhu-Ding Duan, Xiao Huang, Dong-Hao Li et al.·May 18, 2026SaveLearn
Quark and gluon tomography of the helium-4 nucleusQCD collinear factorization allows coherent hard exclusive reactions to reveal the quark-gluon structure of light nuclei, enabling their 3D tomography. We study elastic form factors and deeply…V. Martínez-Fernández, B. Pire, P. Sznajder et al.·May 18, 2026SaveLearn
Quantum enhanced identification of boosted jets with quantum graph neural networksWe present a quantum enhanced tagger to identify jets with large Lorentz boost at colliders. For the first time, a convolutional quantum graph neural network (QGNN) is designed to discriminate…Parichehr Kangaziankangazi, Abideh Jafari, Maurizio Pierini et al.·May 18, 2026SaveLearn
Probing SMEFT Operators through tttt Production with Hyper-Graph Neural Networks at the LHCWe present a phenomenological study of tttt production in proton-proton collisions at s = 13~TeV, using a Hyper-Graph Neural Network (H-GNN) to discriminate multilepton signal…Amir Subba, Sanmay Ganguly·May 18, 2026SaveLearn
Gravitational form factors of light mesons from Basis Light-Front QuantizationWe compute the gravitational form factors (GFFs) of the pion and kaon using their light-front wave functions within the Basis Light-Front Quantization framework. The wave functions are obtained by…Amrita Sain, Sreeraj Nair, Chandan Mondal et al.·May 18, 2026SaveLearn
Two-body decays of radially excited η(1295) and η(1475) mesons in the extended NJL modelIn the extended NJL model, two-body strong decays of the radially excited η(1295) and η(1475) mesons are described. It is shown that the two-body decays η(1475) K0*K, a0π play a dominant…M. K. Volkov, A. A. Pivovarov, K. Nurlan·May 18, 2026SaveLearn