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hep-ph2026

Remarks on atmospheric effect of D-foam in light of muon puzzle

Chengyi Li

In our recent paper~[1], we used a stringy model for quantum space-time foam to suggest that the so-induced subluminal Lorentz violation~(LV) for photons would not lead to experime…

hep-ph2026

Nodal mechanism for the suppressed decay of in the Bethe--Salpeter framework

Bing-Dong Wan, Sheng-Qi Zhang

The strong decay is anomalously suppressed despite ample phase space, whereas the and channels remain sizable. In this work, we study…

hep-ph2026

Baryogenesis in multiplet models

Kiyoto Ogawa, Masanori Tanaka

We investigate baryogenesis in Standard Model (SM) extensions with new multiplet fields. We focus on sphalerogenesis, in which the baryon asymmetry of the Universe (BAU)…

hep-ph2026

Role of electromagnetic corrections in the distributions of

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

The cusp structure at the threshold in the invariant mass spectrum serves as a sensitive probe for extracting the -wave scattering lengths in processes wh…

hep-ph2026

Higgs boson decay to massive bottom quarks at order 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

Systematic exploration of triply heavy tetraquarks: spectroscopic and decay characteristics

Hong-Tao An, Yu-Shuai Li, Si-Qiang Luo

While hidden, singly, doubly, and fully heavy tetraquark states have been experimentally observed, triply heavy tetraquark states remain experimentally unconfirmed. We systematical…

hep-ph2026

Electromagnetic polarizabilities of the triplet hadrons in heavy hadron chiral perturbation theory

Hao Dang, Liang-Zhen Wen, Yan-Ke Chen +1

We investigate the electromagnetic polarizabilities of singly heavy mesons and doubly heavy baryons within the framework of heavy hadron chiral perturbation theory up to $\mathcal{…

hep-ph2026★ 1 cited

Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities

Deniz Aybas, Hendrik Bekker, Dmitry Budker +12

Axions and axion-like particles are compelling candidates for ultralight bosonic dark matter, forming coherent oscillating fields that can be probed by experiments known as halosco…

hep-ph2026

Resummed azimuthal decorrelation and transverse momentum imbalance of dijets at the LHC

Rong-Jun Fu, Rudi Rahn, Ding Yu Shao +2

We present a theoretical study of the azimuthal decorrelation and transverse momentum imbalance in dijet production at the LHC, offering intriguing insights into the dyn…

hep-ph2026

Existence of the and three-body molecular states

Yan-Ke Chen, Lu Meng, Jun-Zhang Wang +1

We investigate the existence of the three-body molecular state composed of within the one-boson-exchange (OBE) model. A major challenge is that while the pseudoscal…

hep-ph2026

Probing Light Dark Particles in Neutrino Scattering Experiments

Ruofei Feng, Shao-Feng Ge, Yongchao Zhang

In this work we investigate the production of a dark fermionic particle in the neutrino scattering experiments. In the framework of effective field theory, such process can be…

hep-ph2026

Direct Detection and Cosmological Constraints of Dark Matter with Dark Dipoles

Takumi Kuwahara, Jun-Chen Wang, Shu-Run Yuan

We study a fermionic dark matter candidate that couples to the standard model particles exclusively through electric and magnetic dipole operators mediated by a massive dark photon…

hep-ph2026★ 1 cited

The nonleptonic decays of double-charmed baryon within the nonrelativistic quark model

Yu-Shuai Li

In this work, we investigate the two-body nonleptonic decays of double-charmed baryon within a nonrelativistic quark model, in which the nonfactorizable amplitudes con…

hep-ph2026

Fully differential Higgs boson pair production at NLO with top quark mass effects

Xuan Chen, Yuesheng Dai, Hai Tao Li +3

Higgs-boson pair production is of fundamental importance for probing the Higgs potential. At hadron colliders, the dominant production channel proceeds via gluon-gluon fusion (ggF)…

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-ph2025

Loop-Level Lepton Flavor Violation and Diphoton Signals in the Minimal Left-Right Symmetric Model

Shufang Qiang, Peiwen Wu, Yongchao Zhang

The left-right symmetric model (LRSM) could not only restore parity of the weak interaction, but also provide natural explanations of the tiny active neutrino masses via the seesaw…

hep-ph2025★ 1 cited

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders

Qing-Hong Cao, Xin-Kai Wen, Bin Yan +1

Directly probing light-quark Yukawa couplings and their flavor structure remains a major challenge due to their smallness and overwhelming QCD backgrounds. In this Letter, we propo…

hep-ph2025

Approximate NLO and NLO QCD Predictions for Production

Jia-Le Ding, Hai Tao Li, Jian Wang

We present high-precision predictions for associated production at the LHC that incorporate the next-to-next-to-leading order hard and soft functions as well as the complete n…

hep-ph2025

Parameter Inference from Final-State Entanglement in Higgs Decays

Jia Liu, Masanori Tanaka, Xiao-Ping Wang +2

The decay out-states of unstable Standard Model (SM) particles provide a unique, well-defined intrinsic quantum-information probe of the SM parameter space. We use Higgs decays as…

hep-ph2025★ 2 cited

Shower formation in the presence of a string-inspired foam in space-time

Chengyi Li

It was recently proposed that predictions of Lorentz-breaking space-time foam models from string theory may be compatible with the suggestion of light-speed variation from gamma-ra…

hep-ph2025★ 2 cited

Determination of the initial condition for the Balitsky-Kovchegov equation with transformers

Meisen Gao, Zhong-Bo Kang, Jani Penttala +1

In the high-energy limit of QCD, scattering off nucleons and nuclei can be described in terms of Wilson-line correlators whose energy dependence is perturbative. The energy depende…

hep-ph2025

Probing CP Violation through Vector Boson Fusion at High-Energy Muon Colliders

Qing-Hong Cao, Jian-Nan Ding, Yandong Liu +1

We investigate CP-violating effects in electroweak interactions at future high-energy muon colliders within the Standard Model Effective Field Theory (SMEFT) framework. Focusing on…

hep-ph2025

Strange pentaquark molecules in QCD sum rules

Di Ben, Sheng-Qi Zhang

We study hidden- and open-strange pentaquark configurations in the hadronic molecular picture with QCD sum rules. Starting from the baryon octet combined with an pair, w…

hep-ph2025

Singly heavy tetraquark resonant states with multiple strange quarks

Xin-He Zheng, Yao Ma, Shi-Lin Zhu

We systematically investigate the S-wave singly heavy tetraquark systems containing two or three strange quarks, , and $Qs\bar{s}\bar{n}\left(…