Chinese Academy of Sciences

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2,985 papers · 1 filter

hep-ph2026

Analysis of Nuclear Fragmentation Functions for Pions with $A$ and $ν$ Dependence

Mengyang Li, Zijian Ye, Jun Gao +3

We present a QCD analysis of pion nuclear fragmentation functions (nFFs), which encode nuclear modifications to hadronization in high-energy nuclear collisions. Within this framewo…

hep-ph2026

The feasibility of single $Λ$ production via $ℓ^{-}$ $+$ $p$ $\to$ $Λ$ $+$ $ν_{ℓ}$ at $e^{+} e^{-}$ colliders

Yueling Yang, Peisheng Tian, Shuangshi Fang +2

We present a comprehensive investigation of single $Λ$ hyperon production via the lepton-nucleon deep inelastic scattering (LNDIS) process, $ℓ^{-}$ $+$ $p$ $\to$ $ν_{ℓ}$ …

hep-ph2026

Twist-2 relations for the twist-3 tensor-polarized distribution function $f_{L T}$ of a spin-1 hadron by the operator-product-expansion method

S. Kumano, Kenshi Kuroki

In a spin-1 hadron, tensor-polarized parton distribution functions (PDFs) exist. The twist-2 function is $f_{1 LL}$ and a twist-3 one is $f_{L T}$ . Because an experiment is under pre…

hep-ph2026

Vacuum bubbles from cosmic ripples

Zi-Yan Yuwen, Rong-Gen Cai, Shao-Jiang Wang

We investigate vacuum decays in the early Universe in the presence of curvature perturbations. For sufficiently large perturbations associated with over-densities, we find that the…

hep-ph2026

Role of electromagnetic corrections in the $π π$ distributions of $ψ^{'} \to J / ψ π π$

Zhao-Sai Jia, Gang Li, Zhen-Hua Zhang

The cusp structure at the $π^{+} π^{-}$ threshold in the $π^{0} π^{0}$ invariant mass spectrum serves as a sensitive probe for extracting the $S$ -wave $π π$ scattering lengths in processes wh…

hep-ph2026

Radiative decays of hadronic molecules: From confusion to inspiration

Feng-Kun Guo, Christoph Hanhart, Alexey Nefediev

Radiative decays of hadronic states provide an essential source of information that can facilitate deciphering their nature and properties. However, a lot of confusion concerning r…

hep-ph2026

Higgs boson decay to massive bottom quarks at order $α_{s}^{4}$ induced by top-quark Yukawa couplings

Jian Wang, Xing Wang, Yefan Wang

The Higgs boson decay to massive bottom quarks has the largest branching ratio. The decay is mainly induced by the bottom-quark Yukawa coupling with the decay rate calculated up to…

hep-ph2026

Comments on "Unified neutrino mixing and approximate $μ - τ$ reflection symmetry" (Mod. Phys. Lett. A, 40 (2025) 26, 2550097 [arXiv:2502.18029 [hep-ph]])

Chao-Shang Huang, Wen-Jun Li

Resolving mass ordering is an important issue in the neutrino physics. In Ref.\cite{yt} the authors investigate the phenomenology of a unified neutrino mixing framework and reveal…

hep-ph2026

Entanglement redistribution of hyperon-antihyperon pair via sequential decay

Cong Li, Xu Cao, Ai-Qiang Guo +3

Hyperon-antihyperon pairs produced in high energy electron-positron annihilation constitute a naturally spin-entangled system in the high energy regime. Recently, a probabilistic a…

hep-ph2026★ 3 cited

Parametric-Resonance Production of QCD Axions

Pirzada, Yu Gao, Qiaoli Yang

Dark matter axion production can be significantly enhanced through a generic cosmological mechanism: primordial temperature fluctuations periodically modulate the axion mass during…

hep-ph2026

Non-perturbative flavor asymmetry in the nucleon and deuteron: The light-front Hamiltonian effective field theory approach

Xianghui Cao, Shan Cheng, Yihan Duan +3

We investigate non-perturbative multi-pion contributions to nucleon flavor asymmetry within the framework of Light-Front Hamiltonian Effective Field Theory (LFHEFT). Utilizing a Fo…

hep-ph2026

Probing Bose-enhanced Inflaton Decay with Gravitational Waves

Nicolás Bernal, Quan-feng Wu, Xun-Jie Xu +1

We investigate cosmic reheating dynamics in the presence of a transient condensate formed by bosonic decay products of the inflaton. We show that the emergence of such a condensate…

hep-ph2026

Radiative Dirac neutrino masses and dark matter in a $U (1)_{B - L}$ extended model

Chayan Majumdar, Utkarsh Patel, Supriya Senapati +1

We study a $U (1)_{B - L}$ extension of the Standard Model (SM) in which Dirac neutrino masses are generated radiatively at the one-loop level through the exchange of new beyond the S…

hep-ph2026

Origin of the nucleon gravitational form factor $B_{N} (t)$ : Exposition in light-front holographic QCD

Xianghui Cao, Bheemsehan Gurjar, Chandan Mondal +2

Recent lattice QCD simulations and phenomenological models indicate that the nucleon's gravitational form factor $B_{N} (t)$ remains remarkably small at finite momentum transfer $t$ .…

hep-ph2026

Effective Field Theory Description of Light Dilaton

Qing-Hong Cao, Jian-Nan Ding, Bing-Hui Ge +2

Dilatons, the CP-even pseudo-Nambu-Goldstone bosons arising from spontaneous scale symmetry breaking, offer a compelling alternative to axion-like particles (ALPs) yet lack a compr…

hep-ph2026

Extraction of the color dipole amplitude with physics-informed neural networks

Wei Kou, Xurong Chen

The process-independence of the color dipole amplitude is a cornerstone of high-energy Quantum Chromodynamics (QCD). However, standard phenomenological approaches typically rely on…

hep-ph2026

The dynamically generated $h_{1}$ state by the $K^{} K ˉ^{}$ interaction and its $K_{1} (1270) K ˉ$ and $b_{1} (1235) π$ decays

Qing-Hua Shen, Li-Sheng Geng, Xiang Liu +1

We investigate the dynamically generated $h_{1}$ state with spin-parity $J^{P} = 1^{+}$ and a mass around 1790~MeV, arising from the $K^{*} K ˉ^{*}$ interaction within the chiral unitary…

hep-ph2025

Renormalization of chiral perturbation theory with spinless matter field in curved spacetime

Cheng-Cheng Li, Xiong-Hui Cao, Feng-Kun Guo

We generalize chiral perturbation theory with spinless matter fields in the fundamental representation of $SU (N)$ to curved spacetime in the presence of an external gravitati…

hep-ph2025★ 3 cited

Nucleon Structure from Basis Light-Front Quantization : Status and Prospects

James P. Vary, Chandan Mondal, Siqi Xu +2

We review recent advancements in understanding nucleon structure within the Basis Light-Front Quantization (BLFQ) framework--a fully relativistic, nonperturbative approach to solvi…

hep-ph2025

Deep-learning jet flavor tagging for precision hadronic Higgs measurements at future $e^{+} e^{-}$ Higgs factories

Xinzhu Wang, Yifan Zhu, Chunxiang Zhu +5

Precise measurements of Higgs decays into quarks and gluons are essential for probing the Yukawa couplings of the Higgs boson and testing the flavor structure of the Standard Model…

hep-ph2025★ 1 cited

Decoding the structure near the $π^{+} π^{-}$ mass threshold in $ψ (3686) \to J / ψ π^{+} π^{-}$ decays

Yun-Hua Chen, Xiang-Kun Dong, Feng-Kun Guo +2

In light of recent high-precision data taken by the BESIII Collaboration, we reconsider the dipion transition $ψ (3686) \to J / ψ π^{+} π^{-}$ . The strong pion-pion final-state inte…

hep-ph2025

Investigation of the Spectator Effect on Light Nuclei Production in Nucleus-Nucleus Collisions at High Baryon Density Region

Hongcan Li, Li'Ang Zhang, Junyi Han +4

The light nuclei yields and their yield ratios, regarded as sensitive probes of the QCD phase structure, have been extensively measured at various collision energies. However, due…

hep-ph2025★ 6 cited

Probing unitarity violation of lepton flavor mixing matrix with reactor antineutrinos at JUNO and TAO

Jihong Huang, Shun Zhou

Motivated by the precise measurements of neutrino oscillation parameters at Jiangmen Underground Neutrino Observatory (JUNO), we investigate the possibility of probing the unitarit…

hep-ph2025★ 3 cited

Probing Dark Sector Particles Coupling to Neutrinos with Double Beta Decay

Noor-Ines Boudjema, Frank F. Deppisch, Antonio Herrero-Brocal +2

Motivated by the observation of non-zero neutrino masses and the potential for discovering physics beyond the Standard Model, numerous experiments are actively searching for neutri…

Analysis of Nuclear Fragmentation Functions for Pions with A and ν Dependence

The feasibility of single Λ production via ℓ− + p → Λ + νℓ​ at e+e− colliders

Twist-2 relations for the twist-3 tensor-polarized distribution function fLT​ of a spin-1 hadron by the operator-product-expansion method

Vacuum bubbles from cosmic ripples

Role of electromagnetic corrections in the ππ distributions of ψ′→J/ψππ

Radiative decays of hadronic molecules: From confusion to inspiration

Higgs boson decay to massive bottom quarks at order αs4​ induced by top-quark Yukawa couplings

Comments on "Unified neutrino mixing and approximate μ−τ reflection symmetry" (Mod. Phys. Lett. A, 40 (2025) 26, 2550097 [arXiv:2502.18029 [hep-ph]])

Entanglement redistribution of hyperon-antihyperon pair via sequential decay

Parametric-Resonance Production of QCD Axions

Non-perturbative flavor asymmetry in the nucleon and deuteron: The light-front Hamiltonian effective field theory approach

Probing Bose-enhanced Inflaton Decay with Gravitational Waves

Radiative Dirac neutrino masses and dark matter in a U(1)B−L​ extended model

Origin of the nucleon gravitational form factor BN​(t): Exposition in light-front holographic QCD

Effective Field Theory Description of Light Dilaton

Extraction of the color dipole amplitude with physics-informed neural networks

The dynamically generated h1​ state by the K∗Kˉ∗ interaction and its K1​(1270)Kˉ and b1​(1235)π decays

Renormalization of chiral perturbation theory with spinless matter field in curved spacetime

Nucleon Structure from Basis Light-Front Quantization : Status and Prospects

Deep-learning jet flavor tagging for precision hadronic Higgs measurements at future e+e− Higgs factories

Decoding the structure near the π+π− mass threshold in ψ(3686)→J/ψπ+π− decays

Investigation of the Spectator Effect on Light Nuclei Production in Nucleus-Nucleus Collisions at High Baryon Density Region

Probing unitarity violation of lepton flavor mixing matrix with reactor antineutrinos at JUNO and TAO

Probing Dark Sector Particles Coupling to Neutrinos with Double Beta Decay

Analysis of Nuclear Fragmentation Functions for Pions with $A$ and $ν$ Dependence

The feasibility of single $Λ$ production via $ℓ^{-}$ $+$ $p$ $\to$ $Λ$ $+$ $ν_{ℓ}$ at $e^{+} e^{-}$ colliders

Twist-2 relations for the twist-3 tensor-polarized distribution function $f_{L T}$ of a spin-1 hadron by the operator-product-expansion method

Role of electromagnetic corrections in the $π π$ distributions of $ψ^{'} \to J / ψ π π$

Higgs boson decay to massive bottom quarks at order $α_{s}^{4}$ induced by top-quark Yukawa couplings

Comments on "Unified neutrino mixing and approximate $μ - τ$ reflection symmetry" (Mod. Phys. Lett. A, 40 (2025) 26, 2550097 [arXiv:2502.18029 [hep-ph]])

Radiative Dirac neutrino masses and dark matter in a $U (1)_{B - L}$ extended model

Origin of the nucleon gravitational form factor $B_{N} (t)$ : Exposition in light-front holographic QCD

The dynamically generated $h_{1}$ state by the $K^{} K ˉ^{}$ interaction and its $K_{1} (1270) K ˉ$ and $b_{1} (1235) π$ decays

Deep-learning jet flavor tagging for precision hadronic Higgs measurements at future $e^{+} e^{-}$ Higgs factories

Decoding the structure near the $π^{+} π^{-}$ mass threshold in $ψ (3686) \to J / ψ π^{+} π^{-}$ decays