Minimal dark SU(2) origin of a massless Dirac neutrinoWe propose a gauge-symmetry origin of a rank-two Dirac neutrino mass matrix that enforces one exactly massless neutrino, while being consistent with the oscillation data, as well as cosmological…P. S. Bhupal Dev, Julia Gehrlein, Amartya Sengupta et al.·May 27, 2026SaveLearn
Critique of Breit-Wigner resonance scatteringIn the standard Breit-Wigner approach to scattering the phase shift is to have a form δ BW =Γ1/(E1-E) at a real energy resonance. This leads to complex energy poles in the scattering…Philip D. Mannheim·May 27, 2026SaveLearn
Linking the Gauge Hierarchy with Neutrino Masses and Dark Matter via Two-step Cosmological SelectionThe hierarchy problem between the electroweak (EW) and Planck scales remains a central puzzle in modern physics. We discuss a promising solution operating through the cosmological selection of the EW…Jin-Lei Yang, Frank F. Deppisch·May 27, 2026SaveLearn
Nonequilibrium coherent effects at finite chemical potentialWe study a nonequilibrium coherent effect generated by a finite chemical potential in a complex scalar field with a conserved U(1) charge. The scalar excitation is treated as a probe coupled to an…Amelie Claussen, Sebastián Mendizabal·May 27, 2026SaveLearn
Towards the two-loop electroweak corrections to the Drell-Yan process: the complete fermionic contributionsWe discuss the production of a lepton pair in quark-antiquark annihilation in the electroweak Standard Model. We present the ultraviolet-renormalised and infrared-subtracted finite contribution of…Tommaso Armadillo, Simone Devoto, Michele Dradi et al.·May 27, 2026SaveLearn
Double D meson production in ultraperipheral pp, pPb and PbPb collisionsThe production of a D+ D- pair by photon - photon interactions at the Large Hadron Collider (LHC) is investigated considering ultraperipheral proton - proton (pp), proton - lead (pPb) and…Ya-Ping Xie, Victor P. Goncalves·May 27, 2026SaveLearn
Probing hidden-charm pentaquarks from the πN→ J/ψN reactionWe investigate the dynamical generation of hidden-charm pentaquark resonances in the πN J/ψN reaction utilizing an off-shell coupled-channel formalism. Motivated by the absence of pentaquark…Samson Clymton, Sun-Young Ryu, Jung-Keun Ahn et al.·May 27, 2026SaveLearn
Dark Matter Interpretation of the Super-Kamiokande Antineutrino Excess in U(1)Lμ-Lτ modelRecent Super-Kamiokande analyses of the diffuse supernova neutrino background, based on data across all SK phases, indicate a mild preference over the zero-DSNB hypothesis at the level of about…Motoi Endo, Yushi Mura, Tenta Tsuji·May 27, 2026SaveLearn
Using the Pericentre Precession of LAGEOS II to Constrain Quadratically Coupled Ultralight Dark MatterIt has been proposed that feebly interacting ultralight scalars may constitute the dark matter content of the universe. Models describing the interactions of a dark matter scalar with Standard Model…Clare Burrage, Angus Macdonald, Elisa Todarello·May 27, 2026SaveLearn
A first extraction of gluon TMDs from Higgs data at the LHCWe present the first extraction of the unpolarised gluon transverse-momentum-dependent (TMD) parton distribution from Higgs-boson production data at the LHC within the framework of TMD factorisation.…Simone Anedda, Valerio Bertone, Giuseppe Bozzi et al.·May 27, 2026SaveLearn
Neutrinoless double beta decay in a flipped trinification model with left-right symmetryWe investigate neutrinoless double beta (0νββ) decay within an extended Standard Model framework based on the SU(3)C SU(3)L SU(3)R U(1)X gauge symmetry, commonly…D. N. Dinh·May 27, 2026SaveLearn
Sensitivity Analysis of the Top-Quark SectorWe study the sensitivity of current and future collider observables to top-quark SMEFT operators through a one-operator-at-a-time analysis. Using data from the Tevatron, LEP, and LHC Run~2, as well…Fernando Cornet-Gomez, Víctor Miralles, Marcos Miralles López et al.·May 27, 2026SaveLearn
Matching second-order classical and 1-loop quantum tensor power spectra in de Sitter spacetimeLarge corrections to the inflationary tensor power spectrum have been speculated to emerge either as second-order scalar-induced classical effects, or as 1-loop quantum corrections. These two sources…A. Hauser, M. Laine·May 27, 2026SaveLearn
CP phase structure of QCD from functional renormalization groupWe study the low-energy properties of QCD-like theories in the presence of a P-odd and U(1) axial breaking four-fermion operator ( ψ ψ) ( ψ i γ5 ψ). We apply the…Yuepeng Guan, Shinya Matsuzaki, Masatoshi Yamada·May 27, 2026SaveLearn
Multiplicity distributions in DIS for heavy nucleusWe found solutions to the linear but with complicated kernel and non-homogeneous evolution equations for the cross sections of productions of n-cut Balitsky-Fadin-Kuraev-Lipatov (BFKL) Pomerons in…Carlos Contreras, José Garrido·May 27, 2026SaveLearn
The X17 Existence Hinted at by Nuclear Reactor NeutrinosWe show that by exploiting the process of Coherent Elastic neutrino (v) Nucleus Scattering (CEvNS), neutrino measurements by nuclear reactor experiments appear to corroborate the evidence of the…Johan Rathsman, Joakim Cederkäll, Yasar Hicyilmaz et al.·May 27, 2026SaveLearn
Quantum simulating multi-particle processes in high energy nuclear physics: dijet production and color (de)coherenceHard scattering events in high-energy collisions produce highly virtual partons that subsequently fragment into collimated hadronic cascades. When such partonic showers evolve in a QCD medium, as in…João Barata, Meijian Li, Wenyang Qian et al.·May 27, 2026SaveLearn
Early-universe constraints on the electron massWe investigate the impact of a nonstandard electron mass me on early-Universe thermal history, focusing on neutrino decoupling and Big Bang Nucleosynthesis (BBN). In the standard cosmology,…Michela Garramone, Stefano Gariazzo, Nicolao Fornengo·May 27, 2026SaveLearn
Lepton sourced baryon asymmetry in the fourth generation modelWe demonstrate that the observed baryon asymmetry in the Universe can be accommodated in the extended Standard Model with sequential fourth generation fermions (SM4). We first construct the…Hsiang-nan Li·May 27, 2026SaveLearn
Investigating the internal structure of X(6900) in the 2J/ψ decay channelAssuming X(6900) is a tetraquark state, the decay width of X(6900) 2J/ψ is calculated in a covariant quark model, with the diquark-antidiquark [cc][cc] picture. Two possible…Duo-Duo Lu, Shao-Zhou Jiang·May 27, 2026SaveLearn
Determination of B-meson distribution amplitudes from B π,K,D transition form factorsRecent work on B π, K and B D form factors from lattice QCD and light-cone sum rules has made it possible to constrain the inverse moment λB of the B-meson light-cone distribution…Dong-Hao Li, Cai-Dian Lü, Ulf-G. Meißner et al.·May 27, 2026SaveLearn
Potential for the discovery of the protophobic boson at the STCFWe study the morphology of the main drift chamber (MDC) to be built around the collision point of the proposed Super tau-charm facility (STCF), to check its suitability for discovering the 17 MeV…Althaf M., Triparno Bandyopadhyay·May 27, 2026SaveLearn
New light mediators and the neutrino fog: Implications from XENONnT nuclear recoil dataCurrent ton-scale, xenon-based dark matter (DM) direct detection experiments have now reached the sensitivity required to observe solar neutrinos, marking the onset of the so-called neutrino fog. In…Valentina De Romeri, Anirban Majumdar, Dimitrios K. Papoulias et al.·May 27, 2026SaveLearn
Impact of conversion-driven processes on singlet-doublet Majorana dark matter relicThe singlet-doublet dark matter model offers a rich framework for exploring the nature of dark matter (DM) through its unique fermion structure. In this model, the important parameters are the…Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu·May 27, 2026SaveLearn
Neutrino Mass Induced n-n OscillationThe Georgi-Glashow model is the simplest possible attempt at grand unification. However, due to its particle content, the model preserves a global U(1)B-L symmetry, where B and L are baryon…Ilja Dorsner, Svjetlana Fajfer, Shaikh Saad·May 27, 2026SaveLearn