PDF at small x in the non-perturbative regionParton distribution function (PDF) at small x in a fast-moving proton is investigated within an upgraded parton model that includes parton splitting with branching cascades and parton fusion. In…M. L. Nekrasov·Jul 21, 2026SaveLearn
Spontaneous baryosynthesis with large initial phaseWe numerically investigate particle production by a pseudo-Nambu-Goldstone boson (pNGB) in spontaneous baryogenesis, focusing on large initial misalignment angles. Our analysis confirms the…Maxim Krasnov, Maxim Khlopov, Ufuk Aydemir·Jul 21, 2026SaveLearn
Phenomenological analysis of charmless B PV decays in the modified perturbative QCD approachWe analyze the charmless two-body decays of the B meson into a pseudoscalar and a vector meson, referred to as B PV decay, within the framework of the modified perturbative QCD (PQCD)…Sheng Lü, Ru-Xuan Wang, Mao-Zhi Yang·Jul 21, 2026SaveLearn
Toward a Comprehensive Exploration of Flavored Dark Matter ModelsWe present a comprehensive framework for the study of flavored dark matter models, combining relic density calculations with direct and indirect detection limits, collider constraints, and a global…Benedetta Belfatto, Monika Blanke, Jan Heisig et al.·Jul 21, 2026SaveLearn
Gravitational Waves from Dark Gauge SectorsWe explore gravitational-wave (GW) signatures from a strong first-order phase transition in a non-Abelian dark sector, which naturally gives rise to vector dark matter (DM). We consider a general…Alexander Belyaev, Mårten Bertenstam, João Gonçalves et al.·Jul 21, 2026SaveLearn
Transport phenomena and observables associated with viscous properties of an anisotropic hot QCD medium at finite baryon asymmetryWe have studied the transport phenomena and observables associated with viscous properties of a baryon asymmetric hot QCD medium in the presence of a weak-momentum anisotropy arising due to the…Shubhalaxmi Rath, Nicolás A. Neill·Jul 20, 2026SaveLearn
De+e-ffusion: Capturing the Beam-Beam Physics of e+e- Collisions with Diffusion ModelsBeam-induced backgrounds at high-luminosity e+e- colliders, such as the FCC-ee, are dominated by incoherent pair creation (IPC), and require computationally expensive simulations with dedicated…Antonio Chahine, Mariarosaria D'Alfonso, Jan Eysermans et al.·Jul 20, 2026SaveLearn
Standard Model Symmetries and the Nested Embeddings of R⊂C⊂H⊂OWhere does the Standard Model's internal structure come from? Treating O as a module for its own multiplication algebra enables a…N. Furey·Jul 20, 2026SaveLearn
Detecting Cosmological Stasis with Future Gravitational Wave ObservatoriesWe map the observational predictions of cosmological stasis in the inflationary gravitational wave background onto the sensitivity bands of current and planned gravitational wave detectors. Using the…Gabriela Barenboim, Anne-Katherine Burns·Jul 20, 2026SaveLearn
The Plan B Model: Z collider phenomenology and discovery prospectsThe Plan B Model was proposed by Allanach et al. (2023) and explains some gross features of the fermion mass spectrum. It also affects the predictions of various observables involving the $b…Ben Allanach, Hannah Banks, Jon Butterworth·Jul 20, 2026SaveLearn
Feynman Integrals Meet Second-Order Partial Differential EquationsWe propose a second-order partial differential equation method to solve multi-loop Feynman integrals as an equilibrium problem. As a proof-of-concept demonstration, we perform a Galerkin…Xiang Chen, Hantian Zhang·Jul 20, 2026SaveLearn
Towards the Swampland of Flavour SymmetriesIn this thesis, we demonstrate the predictive power of the flavour models without explicit flavour symmetries, which we call the `swampland of flavour symmetries'. Firstly, we revisit the minimal…Xiyuan Gao·Jul 20, 2026SaveLearn
Gravitational waves from self-resonance during reheating with a quantum-corrected inflaton potentialWe investigate how localized quantum corrections to the inflaton potential affect preheating dynamics and the resulting stochastic gravitational wave (GW) spectrum. When these corrections…Tomoya Inada, Noel Jonathan Jobu, Kenji Nishiwaki et al.·Jul 20, 2026SaveLearn
Fate of Metastable Vacua in the Type-II Two-Higgs Doublet ModelThe scalar potential of the Two-Higgs-Doublet Model (2HDM) can admit multiple non-degenerate vacua due to the presence of the two Higgs doublets unlike the Standard Model (SM). For a physically…Debtosh Chowdhury, Kirtimaan A. Mohan, Poulami Mondal et al.·Jul 20, 2026SaveLearn
Factorization of the triple-collinear q qcc splitting function at first order in opacityIn strongly ordered collinear limits, triple-collinear 1 3 splitting functions factorize into products of 1 2 splitting functions. Here, we investigate whether, and under which conditions,…Shahin Iqbal, Urs Achim Wiedemann·Jul 20, 2026SaveLearn
Probing the Cosmic Axion Background via Axion-Photon Conversion in FilamentsThe cosmic axion background (CaB) is a hypothetical population of relativistic axions produced in the early universe. If the CaB is produced from dark matter decays, the axions in this population can…Duncan Rocha, Gordan Krnjaic, Matthew J. Baldwin·Jul 20, 2026SaveLearn
Theoretical uncertainties in reconstructing model parameters with gravitational waves from supercooled phase transitionsFuture interferometers may detect a gravitational-wave (GW) signal from a cosmological first-order phase transition. Reconstructing the underlying particle-physics model from such a signal requires…Maciej Kierkla, Marek Lewicki, Philipp Schicho et al.·Jul 20, 2026SaveLearn
HyperIso: A general BSM calculator for flavour observablesWe present HyperIso, a new standalone program for the evaluation of flavour physics observables across a wide variety of Standard Model (SM) and Beyond-the-Standard-Model (BSM) scenarios. The code…T. Reymermier, N. Fardeau, F. Mahmoudi·Jul 20, 2026SaveLearn
Correlated comagnetometry for precision measurementsMagnetometers are among the most widely used probes in science and technology. Comagnetometers increase sensitivity by self-cancellation of magnetic noise, but only at low frequencies. We suggest a…Yossi Rosenzweig, Yevgeny Kats, Eli Sarid et al.·Jul 20, 2026SaveLearn
Wide binaries in ultra-faint dwarf galaxies as a probe of extended dark objectsWide stellar binaries are sensitive dynamical probes of dark matter substructure. We generalize existing point-mass disruption constraints to spherical extended dark objects and apply the resulting…María Olalla Olea-Romacho·Jul 20, 2026SaveLearn
The Υ(nS) B(c) transition form factors and their applications to semileptonic and nonleptonic weak decaysThe semileptonic and nonleptonic decays of the Υ(nS) with n=1,2,3,4 are investigated within the covariant light-front quark model (CLFQM). Using the form factors of the transitions $Υ(nS) …You-Ya Yang, Zhi-Qing Zhang, Zhi-Jie Sun·Jul 20, 2026SaveLearn
Benchmarking Machine Learning Architectures for ttH Multilepton Signal SensitivityStatistical testing for signal discovery and signal-strength estimation in high-energy physics increasingly relies on machine-learning models trained on simulated data. We present a synthetic dataset…Lukáš Viceník, André Sopczak, Oleksandr Shekhovtsov·Jul 20, 2026SaveLearn
A Gauge Model for Quasi-Dirac NeutrinosIn a model with Lμ - Lτ Abelian gauge symmetry, anomaly-free chiral fermions, which are Standard Model singlets, are introduced as the origin of right-handed neutrinos. This U (1)…Zhao-Xing Fan, Chun Liu·Jul 20, 2026SaveLearn
Vector mesons leading-twist longitudinal distribution amplitudes and related semi-leptonic decays within QCD sum rulesIn this work, we focus on the light vector meson leading-twist longitudinal distribution amplitudes (DAs) ϕ2;V(x,μ) with V = ρ, K, ϕ. In order to obtain their accurate…Wan-Bing Luo, Ru-Meng Pan, Ya-Xiong Wang et al.·Jul 20, 2026SaveLearn
Analysis of the hidden-charm pentaquark candidates in the J/ψΣ* mass spectrum via the QCD sum rulesIn this work, we study the diquark-diquark-antiquark type uuscc pentaquark states in the light-flavor 10 representation via the QCD sum rules in details. We exhaust the lowest…Zhi-Gang Wang, Yang Liu·Jul 20, 2026SaveLearn