S-P-D Mixing in Vector Quarkonia from the Salpeter Equation with Optimized Wave Function RepresentationsThis paper proposes a novel mechanism based on the instantaneous Bethe-Salpeter (Salpeter) equation for investigating wave function mixing in vector mesons such as ψ(3770). Conventional theories…Wen-Yuan Ke, Qiang Li, Tianhong Wang et al.·Jul 30, 2026SaveLearn
Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCDGeneralized Parton Distributions (GPDs) have emerged as a powerful framework for exploring the internal structure of hadrons in terms of their partonic constituents. Over the past three decades, the…M. Boër, A. Camsonne, M. Constantinou et al.·Jul 30, 2026SaveLearn
First bounds on effective muon interactions using the NA64μ experiment at CERNWe analyze how NA64μ can contribute to the global SMEFT program demonstrating that it can probe two effective four lepton operators completely unbounded so far and break one of the current flat…Paolo Crivelli, Josu Hernandez-Garcia, Jacobo Lopez-Pavon et al.·Jul 30, 2026SaveLearn
Constraining Heavy Neutral Leptons Coupled to the Tau-Neutrino Flavor at the Large Hadron ColliderDisplaced vertex (DV) signatures at colliders offer a powerful probe of new long-lived particles beyond the Standard Model. Among the best-motivated candidates are heavy neutral leptons (HNLs) -…Edis D. Tireli, Rikke S. Klausen, Oleg Ruchayskiy·Jul 30, 2026SaveLearn
Covariant reggeization framework for diffraction. Part I: Hadronic tensors in Minkovsky space-time of any dimensionIn this paper we consider the general structure of irreducible tensor representations of the Poincaré group of arbitrary space-time dimension D with multiple sets of Lorentz indices and different…Roman Ryutin·Jul 30, 2026SaveLearn
Stasis Combs: Gravitational-Wave Signatures of Recurrent Cosmological StasisCosmological stasis can recur multiple times, and each occurrence imprints a characteristic feature on the inflationary gravitational wave background (IGWB). We extend the single-epoch spectral…Gabriela Barenboim, Anne-Katherine Burns·Jul 29, 2026SaveLearn
Photon-Tagged Energy Flow in Inclusive Endpoint B DecaysWe introduce a B-decay tagged energy correlator (BTEC) to resolve the angular structure of energy flow in inclusive B decays in the endpoint region, focusing on the direct-photon contribution to…Shuai Zhao·Jul 29, 2026SaveLearn
Precise predictions for double Higgs production in association with a vector boson in Effective Field TheoryWe present next-to-next-to-leading order (NNLO) QCD predictions for Higgs boson pair production in association with a weak gauge boson, pp Vhh with V=W,Z, in effective field theory…Ramona Gröber, Michał Ryczkowski, Gioia Sacchi·Jul 29, 2026SaveLearn
Seesaw CosmologyWe study perturbative reheating in which the inflaton transfers its energy to the Standard Model through right-handed neutrinos (RHNs) responsible for light-neutrino masses via the type-I seesaw…Nicolás Bernal, Chee Sheng Fong, Óscar Zapata·Jul 29, 2026SaveLearn
The inseparable three and four topsIn measurements of four-top-quark production (tttt), LHC collaborations observe a significant degeneracy with three-top-quark production. We compute the dominant three-top-production mode, namely…Gauthier Durieux, Hesham El Faham, Rikkert Frederix et al.·Jul 29, 2026SaveLearn
The Very Nearly Right Theory of FlavorA striking empirical observation about the CKM matrix is that the angles of the unitarity triangle (α, β, γ) are very close to (π/2, π/8, 3 π/8) , simple fractions of π that are suggestive of…Nima Arkani-Hamed, Carolina Figueiredo, Lawrence J. Hall et al.·Jul 29, 2026SaveLearn
The Dark Dimension meets the AxiverseWe explore the cosmological implications of combining dark dimension scenarios with an axiverse. If gauge sectors are realized on branes, towers of Kaluza-Klein (KK) excitations of closed string…Kevin Langhoff, Maria Ramos, Mario Reig·Jul 29, 2026SaveLearn
Suppressed Quantum Effects of Weakly Coupled WavesPrecision experiments increasingly target weakly coupled waves, including axion dark matter and gravitational radiation. Such waves are commonly described as classical fields, yet they could exist in…Yunjia Bao, Dhong Yeon Cheong, Nicholas L. Rodd et al.·Jul 29, 2026SaveLearn
Anomalies in Hadronic B VV DecaysRecently, a fit of charmless B PP decays (B ∈ \B0, B+, Bs0\, P ∈ \ π, K, η, η' \) to the latest data was performed under the assumption of flavour SU(3) symmetry [SU(3)F].…Bhubanjyoti Bhattacharya, Marianne Bouchard, Alexandre Jean et al.·Jul 29, 2026SaveLearn
Outcomes of Grand Unified Symmetry BreakingWe numerically study the outcome of symmetry breaking motivated by Grand Unified models. Our results show the formation of biased domain walls for a range of parameters together with magnetic…Harish Hemming, Tanmay Vachaspati, Anja Wachowitz·Jul 29, 2026SaveLearn
Revising Indirect Dark Matter Constraints with Updated Astrophysical J-Factor PriorsIndirect searches for particle dark matter with gamma-ray experiments have produced a large number of constraints on the annihilation cross section (or decay lifetime) over a wide range of dark…Giacomo D'Amico·Jul 29, 2026SaveLearn
Imaging non-hydrodynamic modes with jet wakesWhile studies of ultra-relativistic heavy-ion collisions have established that the quark--gluon plasma exhibits hydrodynamic behavior, direct signatures of non-hydrodynamic modes have remained…Aleksi Kurkela, Ian Moult, Alexander Soloviev et al.·Jul 29, 2026SaveLearn
Constraining α-cluster compactness in 16 O and 20 Ne at TeV energies using azimuthal anisotropyAnisotropic flow in ultra-relativistic light-ion collisions is sensitive to the initial geometry of the colliding nuclei. We investigate whether elliptic flow measurements can constrain the…Aswathy Menon Kavumpadikkal Radhakrishnan, Suraj Prasad, Neelkamal Mallick et al.·Jul 29, 2026SaveLearn
Characterisation at the HL-LHC of Long-lived Heavy Neutrinos in Gauge Extensions of the Standard ModelWe show how signals of heavy neutrinos with displaced decays can be detected at the Large Hadron Collider in two theoretical setups, both exploiting extended gauge sectors as portals to such new…Aram Fatah, Stefano Moretti, Antons Nikolajevs·Jul 29, 2026SaveLearn
Automated NRQCD and NRQED simulations of quarkonium and leptonium production with P-wave states and physical-mass effectsWe present the MadSONS module, which extends the MadGraph5aMC@NLO framework by providing a fully automated solution for the simulation of arbitrary tree-level production…Luca Maxia, Hua-Sheng Shao, Lukas Simon·Jul 29, 2026SaveLearn
Particle Production via Rippled Bubble WallsWe investigate non-thermal particle production during first-order phase transitions in the presence of ultra-relativistic thick bubble walls with non-trivial internal structure. Extending the…Ryusuke Jinno, Shota Nakagawa, Yuichiro Nakai et al.·Jul 29, 2026SaveLearn
Spatial Guidance Field Theory: From Gradient Postulates and Charge Conservation to Gauge Group StructureWe construct a unified framework for interactions from three postulates: (1) all elementary forces arise as gradients of guidance potentials, (2) the charges that generate these potentials are…Xinqiao Li·Jul 29, 2026SaveLearn
The Conformal Origin of the Lepton Flavor Mixing MatrixUsing the formalism of the flavor spin theory, we re-derive the TM1 lepton flavor mixing factor decomposition in a novel way, using a previously unreported near identity involving the elements of the…Cora Aigle, Alex Jourjine·Jul 29, 2026SaveLearn
Precise Determination of the Proton's Gluon Cloud Geometry from HERA dataThe transverse shape of the proton's small-x gluon distribution is determined from exclusive J/ψ photoproduction at HERA. We derive analytic expressions for the coherent and incoherent…Tobias Toll, Nahid Vasim·Jul 29, 2026SaveLearn
New physics in the ZZh vertex: One-loop contributions from a radiative seesaw modelPrecision Higgs physics offers a sensitive window into physics beyond the Standard Model. In parallel, neutrino-oscillation experiments have established the existence of nonzero neutrino masses, thus…Héctor Novales-Sánchez, Humberto Vázquez-Castro, Mónica Salinas·Jul 29, 2026SaveLearn