Minimal Scale-Invariant Dark MatterWe study the minimal classically scale-invariant extension of the Standard Model, containing a single Z2-stabilised real scalar singlet whose mass is not an independent input but is…Alexander Belyaev, Roman Pasechnik, Rishav Roshan et al.·Aug 4, 2026SaveLearn
Critical coupling with zero-mode corrections in discretized light-cone quantized ϕ4 theoryWe present an advancement for solving the Discretized Light-Cone Quantization (DLCQ) Hamiltonian for mass spectra in 2D ϕ4 theory that incorporates perturbative zero-mode contributions. We…Shreeram Jawadekar, Mamoon A. Sharaf, James P. Vary·Aug 4, 2026SaveLearn
Determination of the η-η Mixing Angle from Fη()γ(Q2) within the Self-consistent Light-front Quark ModelWe study the η-η system in the self-consistent light-front quark model (LFQM) with the quark flavor mixing scheme, where the single mixing angle is constrained by the transition form…Shuai Xu·Aug 4, 2026SaveLearn
Laplace-Space Analysis of xF3 Including Nuclear Effects and Gegenbauer-Polynomial Parton DistributionsWe present a next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) QCD analysis of the non-singlet structure function xF3, utilizing a Gegenbauer-polynomial representation for the…Shahin Atashbar Tehrani, Javad Sheibani, Elham Astaraki·Aug 4, 2026SaveLearn
A HEFT Perspective on the Type-II Seesaw Model and the Complete Basis of Lepton-Number-Violating OperatorsWe perform the complete tree-level matching of the type-II seesaw model onto the Higgs effective field theory (HEFT) through O(p4) in the chiral expansion. Employing a nonlinear field…Zizhou Ge, Huayang Song, Xia Wan·Aug 4, 2026SaveLearn
Prospects for KLπ0νν, KSμ+μ-, KLπ0 +- and / after the new K+π+νν result from NA62The recently announced NA62 measurement of the K+π+νν branching ratio, based on 2016--2024 data, is fully consistent with its very accurate Standard Model (SM) prediction. While it is…Monika Blanke, Andrzej J. Buras, Cristina Lazzeroni et al.·Aug 4, 2026SaveLearn
Probing lepton number violation at FCC-eeWe propose high-multiplicity final-state signatures, such as e+e- NN ++ 4j with denoting e,~μ, τ, as probes of lepton number violation (LNV) at FCC-ee,…Praveen Bharadwaj, Sanjoy Mandal, Rojalin Padhan et al.·Aug 4, 2026SaveLearn
FIMPs in a two-component dark matter model with Z2 × Z4 symmetryWe investigate the FIMP-FIMP regime in a two-component dark matter model with a Z2× Z4 symmetry, where a singlet scalar S and a Majorana fermion χ serve as the dark matter candidates. A…XinXin Qi, Hao Sun·Aug 4, 2026SaveLearn
Study of B K0*(1430)\,+ - decay in the standard model and scalar leptoquark scenarioThis study examines the rare decay B K0*(1430)\,+ - as a possible probe for new physics beyond the standard model (SM). We first analyze this channel within the SM and then include…M. Dadashzadeh, K. Azizi·Aug 4, 2026SaveLearn
Distinguishing Dirac and Majorana Neutrinos: Resonant Spin-Flavor Precession of GeV-Scale Astrophysical TransientsWe present a unified formalism to study the Resonant Spin-Flavor Precession (RSFP) of high-energy ( 1 GeV) transient astrophysical neutrinos as a probe of their fundamental Dirac or Majorana…D. Delepine, A. Yebra·Aug 4, 2026SaveLearn
The Dirac Majorana Confusion Theorem in the Presence of Flavor-Changing Neutral Currents: A CP-Filter MechanismThe Practical Dirac Majorana Confusion Theorem(PDMCT) asserts that phenomenological differences between Dirac and Majorana neutrinos are kinematically suppressed by (neutrino mass/E)2 in lepton…David Delepine, A. Yebra·Aug 4, 2026SaveLearn
Coupled-channel Omnès matrix for the D-wave isoscalar ππ/K K system and its application to J/ψπ0π0γ,\,KSKSγIn this work, we construct the D-wave isoscalar ππ/K K coupled-channel Omnès matrix, formulated to satisfy unitarity, analyticity, and the appropriate asymptotic behavior. We employ a…Igor Danilkin, Oleksandra Deineka, Emilie Passemar et al.·Aug 4, 2026SaveLearn
Domain Walls in A4 Flavour ModelsThe spontaneous breaking of an A4 flavour symmetry, often used to predict leptonic mixing, can lead to the formation of domain walls which can annihilate and generate a stochastic gravitational…Bowen Fu, Stephen F. King, Luca Marsili et al.·Aug 4, 2026SaveLearn
No Track left behind: Graph-based Vertexing for long-lived Particle ReconstructionReconstruction of displaced vertices is a cornerstone of both precision flavour physics and searches for long-lived particles (LLPs) at colliders. While existing vertexing algorithms are highly…Jonathan Kriewald·Aug 4, 2026SaveLearn
Mono-Higgs signature in a singlet fermionic dark matter modelWe investigate mono-Higgs production as a probe of singlet fermionic dark matter (SFDM) at the LHC. In this framework, a Standard Model (SM) gauge-singlet Dirac fermion serves as the dark matter…Yeong Gyun Kim, Kang Young Lee, Soo-hyeon Nam·Aug 4, 2026SaveLearn
Impact of QED backgrounds on light-by-light scattering measurements at e+e- and e-e- collidersThe process of elastic scattering of photons (γγ γγ, light-by-light scattering) has attracted significant interest in recent years as a loop-induced process sensitive to all charged particles.…K. I. Beloborodov, T. A. Kharlamova, V. I. Telnov·Aug 4, 2026SaveLearn
Fermionic Dark Matter in a Scotogenic Model with a Complex Scalar SingletWe study the phenomenology of the complex scoto-singlet model, an extension of the scotogenic framework that simultaneously accounts for radiative neutrino masses and fermionic dark matter. We…Gustavo Ardila-Tafurth, Andrés Flórez, Victor Martín-Lozano et al.·Aug 3, 2026SaveLearn
Flavor-violating dark matter at MEG-II and Mu3eWe investigate the potential of high-intensity muon experiments such as MEG~II and Mu3e to uncover dark matter (DM) through the lepton-flavor-violating decay μ+ e+χχ. We describe the…Daniele Barducci, Giulio Marino, Paolo Panci et al.·Aug 3, 2026SaveLearn
Virtues and Vices of Equivariant TransformersWe study for the first time the benefit of Lorentz-equivariant transformers for large-size jet tagging and flavor tagging. To control their computing demands, we optimize all implementations for…Luigi Favaro, Tilman Plehn, Huilin Qu et al.·Aug 3, 2026SaveLearn
High-Frequency Gravitational Wave Detection with Superconducting QubitsHigh-frequency gravitational waves (HFGWs) provide a unique window into high-energy and early-universe physics, yet they evade traditional macroscopic interferometry. To bridge this detection gap, we…Heechan Yi, Seong Chan Park, Kyoungchul Kong et al.·Aug 3, 2026SaveLearn
Abundant production of scalars and axions from phase transition bubble expansionWe revisit aspects of particle production during cosmological first-order phase transitions, and show that the expansion of true-vacuum bubbles can be a copious source of particle production.…Isabel Garcia Garcia, Gaurang Ramakant Kane, John March-Russell et al.·Aug 3, 2026SaveLearn
The Forward Neutrino Flux and its Secondaries at a 10 TeV Muon ColliderMuon decays in a muon collider ring would produce TeV neutrino and antineutrino beams of electron and muon flavor. We study this flux in the forward μ+ and μ- beam directions at a 10 TeV muon…Ju-Yeol Choi, Matheus Hostert, Peiran Li et al.·Aug 3, 2026SaveLearn
Neutrino Fluxes at a Muon ColliderWhile muon colliders are primarily considered precision machines for new physics searches at the energy frontier, they are also intense sources of high-energy neutrinos. Large fluxes of electron and…Francis M. Burk, Tao Han, Wolfgang Kilian et al.·Aug 3, 2026SaveLearn
Two-loop amplitude for ttW production at hadron colliders in the leading colour approximationIn this contribution I present the first exact calculation of the leading-colour two-loop QCD amplitude for the associated production of a top-anti-top pair and a W boson. I discuss strategies to…Mattia Pozzoli·Aug 3, 2026SaveLearn
FCC precision requests: challenges for Monte Carlos and phenomenology toolsOne can define three levels of ambiguities for the accelerator experiments: worse than 0.3%, around 0.3% and better than 0.3%. I will address issues important, for the last case, when Monte Carlo…Z. Was·Aug 3, 2026SaveLearn