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High Energy Physics - Phenomenology papers — page 77

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Particle Cosmology: 1980-2000
A new field, Particle Cosmology, emerged at the interface of elementary particle physics and cosmology in the last two decades of the 20th century. In this chapter of the Proceedings of…
Edward W. KolbJul 7, 2026
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Natural Phantom Dark Energy from a ZN--Axion
We present a technically natural microscopic realization of apparent phantom dark energy based on an axion coupled to N copies of two-flavor dark QCD related by a ZN exchange symmetry.…
Cédric Delaunay, Admir GreljoJul 7, 2026
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Anomaly Realization in Charge-Flux Detector Correlators
Quantum anomalies provide a bridge between ultraviolet properties of a theory and its infrared sector. We study how this connection appears in axial-charge-flow observables. In the simplest example,…
João Barata, Ratmir Jumanov, Andrey V. SadofyevJul 7, 2026
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The Positivity Geometry of Photon--Dark-Photon Effective Field Theories
We derive positivity bounds on the complete dimension-eight effective field theory of photons and a massless dark photon. The mixed gauge sector contains twelve CP-even Wilson coefficients and an…
Sayantan Chakraborty, Yash Dadhwal, Arun M. ThalapillilJul 7, 2026
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Predictions for b-baryon lifetimes at NNLO-QCD
Motivated by recent and forthcoming experimental progress, we provide updated predictions for the total decay rates of b-baryons, their lifetime ratios and their lifetimes normalised to that of the…
Alexander Lenz, Maria Laura Piscopo, Aleksey V. RusovJul 7, 2026
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Interplay of CPT-Violating and CPT-Conserving Lorentz Invariance Violation at DUNE
We present a study of Lorentz invariance violation (LIV) in neutrino oscillations, with primary emphasis on the interplay between CPT-violating and CPT-conserving Standard Model Extension (SME)…
Priyankush Deka, Arnab Sarker, Moon Moon Devi et al.Jul 7, 2026
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Dispersive estimation of the LO hadronic contribution to the muon g-2: fitting incompatible e+e- data
Using an up-to-date compilation of σtot(e+e- hadrons) data we estimated the LO hadronic contribution to the muon anomalous magnetic moment, aμ(had,LO). Incompatibilities…
V. V. Bryzgalov, O. V. ZeninJul 7, 2026
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KX(3872) interaction and correlation function
We investigate the K X(3872) interaction and the corresponding correlation function, assuming the X(3872) to be a molecular state of D D* and D* D with isospin I=0 and positive…
Jing Song, Pedro Brandao, Eulogio OsetJul 7, 2026
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Role of the Σ(1430)(1/2-) in the J/ψ ΛΛ π0 reaction
We study the J/ψ Λ Λπ0 reaction, an isospin violating reaction, by looking at the trios of baryon-antibaryon-pseudoscalar meson that conform a singlet of SU(3) in the u, d, s…
Yu-Shan Ren, Wen-Tao Lyu, Eulogio OsetJul 7, 2026
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Flux-integrated inclusive and pionless cross sections for charged-current neutrino scattering off 40Ar at energies available in the MicroBooNE experiment
In this work, we analyze the flux-integrated inclusive and pionless differential cross sections for neutrino scattering off argon. The cross sections are calculated using the relativistic…
A. V. Butkevich, S. V. LuchukJul 7, 2026
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Polyakov Loops Tame Phase Transitions
We estimate the impact of Polyakov loop (PL) contributions on electroweak phase transitions (PTs). We show that the PL, which is unavoidable in thermal gauge field theory, tends to tame thermal…
Lisa Biermann, Joydeep Chakrabortty, Christoph EnglertJul 7, 2026
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Understanding the near-threshold structures in e+e- annihilation from a unified N N-interaction perspective
Near-threshold structures have been observed in the cross sections for e+e- p p, e+e- n n and several non-baryonic final states in the vicinity of the N N thresholds.…
Teng Ji, Ulf-G. MeißnerJul 7, 2026
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Vector-Meson Spin Alignment from Anisotropic Quark or Hadron Coalescence
The distribution of particles is highly anisotropic in the initial stage of a heavy-ion collision. In this paper we demonstrate that this anisotropy induces a sizable effect on the spin alignment of…
Wen-Bo Dong, Xin-Li Sheng, Yi-Liang Yin et al.Jul 7, 2026
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Quantum decoherence: a study applied to quarkonium-like bound states in strongly interacting matter
We study the quantum decoherence of a bound state interacting with a reservoir of strongly interacting matter within the framework of open quantum systems. The bound state is modeled as a quantum…
Gabriele Coci, Salvatore Plumari, Giuseppe FalciJul 7, 2026
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Non-Unitarity Effects and Fake CP Violation in Neutrino Oscillation Experiments
Future long-baseline neutrino oscillation experiments aim to establish leptonic CP violation and determine the neutrino mass ordering with unprecedented precision. However, these measurements can be…
Pratima Singh, Alina Naqvi, Suhani Yadav et al.Jul 7, 2026
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Radiative Breaking of Two-Zero Neutrino Mass Minors: Revisiting the U(1)Lμ-Lτ Model
The two-zero minor structure predicted by flavor symmetries is usually discussed as a tree-level relation among low-energy neutrino parameters. We point out that this relation can be significantly…
Masahiro Ibe, Jun Miyamoto, Satoshi ShiraiJul 7, 2026
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ggxy: Fast and flexible NLO QCD corrections to gluon-initiated processes
We present the C++ library ggxy, which can be used for the fast and flexible calculation of partonic and hadronic cross sections to gluon-initiated top-mediated processes such as gg HH, as well…
Daniel StremmerJul 7, 2026
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A Quantitative Framework of Nonperturbative QCD from Topological Vacuum with Application to Parton Structures
This dissertation develops a quantitative framework that provides a physical picture for non-perturbative QCD based on the topological structure of the QCD vacuum. By integrating out the ultraviolet…
Wei-Yang LiuJul 7, 2026
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A resonance-aware MC@NLO QCD+EW-matched calculation of lepton-pair production
As we approach HL-LHC, there is a growing need for increased precision in theoretical predictions so that meaningful comparisons with experimental data can be made. It is no longer sufficient to…
Lois Flower, Joanne Roper, Marek SchönherrJul 7, 2026
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Radiative decays of X(3872) within D D* molecular framework
Within the framework of nonrelativistic effective field theory, we calculate the radiative decay width of the process X(3872) D D γ while taking into account the DD final-state…
Hao-Dong Cai, Run-Hao Chen, Yuan-Jun Gao et al.Jul 7, 2026
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Anisotropic electron scattering and Migdal effect in semiconductor detectors
Cryogenic semiconductor detectors are widely used in dark matter direct detection. Electronic excitations in these materials can be caused either by direct dark matter electron scattering events, or…
Aula Al-Adulrazzaq, Paolo Settembri, Sebastian Sassi et al.Jul 7, 2026
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Compactness, mass spectra, and strong stability of singly heavy tetraquarks
We propose a Coulomb-like parameterization in terms of bag radius of the short-range chromo-electric interaction between heavy quarks and strange quarks within the framework of the MIT bag model for…
Wen-Nian Liu, Kai-Kai Zhang, Duo-Jie jia et al.Jul 7, 2026
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Interpreting Parton Distributions with Shapley Values
We show that Shapley values can be used to trace how individual parton distributions (PDFs) shape the theory predictions for high-energy observables computed from them. This provides a tool for…
Raphaël Bonnet-Guerrini, Stefano Carrazza, Stefano Forte et al.Jul 7, 2026
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Dark matter energy exchange in stars orbiting supermassive black holes
Stars on tight orbits around the supermassive black hole at the Galactic Center pass through regions where the dark matter~(DM) density may be strongly enhanced. We compute the orbit-averaged…
Stephan A. Meighen-Berger, R. Andrew Gustafson, Nicole F. Bell et al.Jul 7, 2026
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Effective Color Dipole Approach to Color Transparency in ρ0 Electroproduction
We investigate nuclear transparency in exclusive ρ0 electroproduction on 12C and 56Fe nuclei within a multi-channel final-state interaction (FSI) framework that explicitly incorporates…
Tae Keun Choi, Kook-Jin Kong, Byung-Geel YuJul 7, 2026
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