Nelson-Barr InflationThe Nelson-Barr mechanism solves the strong CP problem through spontaneous CP violation, but the resulting CP-conjugate vacua generically lead to stable domain walls. We propose that the Nelson-Barr…Fuminobu Takahashi·Aug 1, 2026SaveLearn
Kinetic backreaction cannot suppress axion quantum pressureUltralight axions from string compactifications carry non-canonical kinetic terms whose normalization is set by a coupling function that depends on an accompanying modulus field. As dark matter, such…Kaleb Anderson, Savvas M. Koushiappas·Aug 1, 2026SaveLearn
Matter-Induced CPT Violation and Earth-Density Stratification Effects in Long-Baseline Neutrino Oscillation ExperimentsWe present a unified analysis of two matter-potential systematics in long-baseline (LBL) neutrino oscillation experiments. Matter-induced extrinsic CPT violation produces a non-zero asymmetry…Tia Pandit, Bipin Singh Koranga, Aditya Pant et al.·Aug 1, 2026SaveLearn
Thermal Dilepton Polarization under Rotation or Magnetic Field in Heavy-ion CollisionsDilepton (Virtual photon) polarization is characterized by anisotropic coefficients λθ, λϕ, and λθϕ, which are expected to be influenced by vorticity and magnetic fields. This work…Haowen He, Bowen Hou, Xinyang Wang et al.·Aug 1, 2026SaveLearn
Discovery prospects of a singly-charged scalar at μTRISTANIn this article, we study the associated production of a singly-charged (Δ+) scalar along with a W+ boson in the newly proposed μ+μ+ collider (also known as μTRISTAN) at s = 2~…Joseph George, Nobuchika Okada, Dibyashree Sengupta et al.·Aug 1, 2026SaveLearn
Bias with a Timer: Axion Domain Wall Decay and Dark MatterWe explore the interplay of the post-inflationary QCD axion and a light scalar field for the axion domain wall decay and dark matter (DM). The scalar field possesses a nonzero vacuum expectation…Sally Yuxuan Hao, Shota Nakagawa, Yuichiro Nakai et al.·Aug 1, 2026SaveLearn
Spin alignment of vector mesons from quark dynamics in a rotating mediumVorticities in heavy-ion collisions (HICs) are supposed to induce spin alignment and polarization phenomena of quarks and mesons. In this work, we analyze the spin alignment of vector mesons ϕ and…Minghua Wei, Mei Huang·Aug 1, 2026SaveLearn
Large-Field Vacuum Decay in General Multi-Scalar TheoriesMany theories beyond the standard model exhibit multiple scalar particles. Such multi-scalar theories can in principle host lower-energy vacua, and thus predict that our universe has a finite…Giorgio Busoni, Florian Goertz, Navneet Krishnan et al.·Jul 31, 2026SaveLearn
The flavour of SU(15) composite quarks and leptonsWe study the flavour structure of an SU(15)p confining chiral gauge theory in which the Standard Model (SM) quarks, leptons, and Higgs emerge as composite bound states. The couplings of two scalar…Benoît Assi, Ryan Plestid, Amartya Sengupta et al.·Jul 31, 2026SaveLearn
Ubiquitous Corotation of Dark Matter Halos: Implications for Direct DetectionCosmological simulations have recently begun to quantify the halo-to-halo variance in the phase-space distribution of dark matter around the Sun. We use a sample of nearly one hundred Milky Way-like…Dylan Folsom, Carlos Blanco, Mariangela Lisanti et al.·Jul 31, 2026SaveLearn
Extra-dimensional Origins of Chemical Potentials at the Cosmological ColliderWe study the realization of the chemical potential mechanism in cosmological collider physics in a robust class of inflationary models arising from multiple higher-dimensional gauge fields. The…Raman Sundrum, Zhaohui Xu·Jul 31, 2026SaveLearn
Low-lying singly heavy baryon states based on the rigorous calculation with the relativized quark modelIn this work, the low-lying 6F singly heavy baryon states with positive-parity are studied in detail in the framework of the relativized quark model by using the improved calculation…Zhen-Yu Li, Guo-Liang Yu, Zhi-Gang Wang et al.·Jul 31, 2026SaveLearn
Testing Lepton Wave Function Factorization in 71Ge Electron CaptureElectron-capture ratios provide precision tests of atomic wave functions and of possible non-factorization effects in nuclear electron capture. By exploiting exact leptonic wave functions, we present…M. Cadeddu, N. Cargioli, M. Cau et al.·Jul 31, 2026SaveLearn
Dark Photons from Perturbative Decay of a Misaligned Higgs FieldWe reconsider the production of dark photons A' as dark matter, from the perturbative decay of a dark Higgs field h, that is stochastically misaligned from the minimum of its potential during…James M. Cline, Gonzalo Herrera, Jean-Samuel Roux·Jul 31, 2026SaveLearn
Sgoldstino Phenomenology at SND@HL-LHCWe study the phenomenology of light scalar sgoldstinos, with masses from the dimuon threshold up to a few GeV, focusing on their production and detection prospects at the SND@HL-LHC experiment. We…D. Kalashnikov, E. K. Karkaryan·Jul 31, 2026SaveLearn
Inflation and Reheating by Dynamical TorsionIn gravity theories with torsion, inflation can be driven by the dynamical torsion. Since it naturally has a derivative coupling to the axial current consisting of Standard Model particles, the…Xiaolin Ma, Kamil Mudrunka, Kazunori Nakayama·Jul 31, 2026SaveLearn
New CP sum rules from exact U-spin degeneracyWe propose a new class of CP sum rules in the U-spin limit, based on the observation that the weak phase in the Standard Model can be removed in the degenerate limit md=ms. Unlike previous…Chao-Qiang Geng, Chia-Wei Liu, Sheng-Lin Liu et al.·Jul 31, 2026SaveLearn
Penumbral Inflation from Calabi-Yau BoundariesMapping Calabi-Yau geometry to early Universe cosmology remains a primary goal in string phenomenology. We present an inflationary mechanism where flux stationarity shifts the field dynamics, driving…Pirzada, Tianjun Li·Jul 31, 2026SaveLearn
The fundamental limit of jet tagging: Beyond top jetsJet tagging, i.e. determining the origin of high-energy hadronic jets, is a key challenge in particle physics. Machine-learning-based taggers have achieved remarkable progress, raising the question…Sarah Koller, Humberto Reyes-González·Jul 31, 2026SaveLearn
The price for monopole dark matterWe construct an explicit model where dark matter consists of 't Hooft-Polyakov monopoles. The dark sector is in thermal contact with the Standard Model, and dark monopoles are created by a…Felix Brümmer, Giacomo Ferrante, Théodore Fischer et al.·Jul 31, 2026SaveLearn
Halbach Magnetic Weber BarsMagnetic Weber Bars have been proposed to search for gravitational waves in the kHz to GHz regime by exploiting the mechanical deformation of a large magnet induced by a gravitational wave. Here we…Valerie Domcke, Itay M. Bloch·Jul 31, 2026SaveLearn
pylhe: A Lightweight Python interface to Les Houches Event filesLes Houches Event files are a standard format for Monte Carlo event generators in high-energy physics. pylhe is a lightweight pure-Python library for reading and writing LHE event data. It supports…Alexander Puck Neuwirth, Matthew Feickert, Lukas Heinrich et al.·Jul 31, 2026SaveLearn
Classification of minimal models producing b, c and tau masses at one-loop levelThe Standard Model neither provides a dynamical explanation for the quark and lepton mass hierarchies, nor a rationale for why all of these masses save that of the top quark are suppressed compared…Lucia Stockdale, Raymond R. Volkas·Jul 31, 2026SaveLearn
Weak Bose-Einstein condensation in a rigidly rotating magnetized charged Bose gasWe investigate the weak Bose-Einstein condensation (BEC) scenario of a noninteracting charged Bose gas simultaneously subjected to a strong magnetic field and rigid rotation. Using standard methods…E. Siri, N. Sadooghi·Jul 31, 2026SaveLearn
Rare processes in ultrahigh-energy tau-lepton transportIn cosmic neutrino observatories, charged-lepton transport is a key input for interpreting observables and reconstructing neutrino events. Charged leptons propagating through matter undergo several…Guo-yuan Huang·Jul 31, 2026SaveLearn