96 citations · 1.1k across the 66 of their papers we have counts for
52 papers · 1 filter
Constraining the Secluded and Catalyzed Annihilation Dark Matter with Fermi-LAT and Planck Data
Yu-Hang Su, Chengfeng Cai, Hong-Hao Zhang
We propose a dark matter (DM) model with a complex scalar charged under a hidden gauge symmetry, denoted as . The scalar field is the DM candidate while the gauge…
Complex scalar dark matter in a new gauged U(1) symmetry with kinetic and direct mixings
Yu-Hang Su, Chengfeng Cai, Yu-Pan Zeng +1
We propose a scalar dark matter model featuring a hidden gauge symmetry, denoted as U(1)_X, with two complex scalars, Phi and S. In this framework, Phi spontaneously breaks the U(1…
General Discussions on the SU(2) Vector Boson Dark Matter Model with a Single Higgs Multiplet -- Lagrangian, Discrete Subgroups, and Scalar Classifications
Chun-Xue Yuan, Zhao Zhang, Chengfeng Cai +2
The vector boson dark matter particles which stem from some broken gauge symmetries usually requires some unbroken symmetries to keep themselves stable. In the previous literature,…
Dark matter phenomenology and phase transition dynamics of the next to minimal composite Higgs model with dilaton
Borui Zhang, Zhao Zhang, Chengfeng Cai +1
In this paper, we conduct a comprehensive study of the Next-to-Minimal Composite Higgs Model (NMCHM) extended with a dilaton field (denoted as NMCHM). A pseudo-Nambu-Goldst…
Muon precession from the aspect of Dirac equations
Jinbo He, Lei Ming, Yi-Lei Tang +2
In this paper, we would like to compute the muon anomalous precession frequency through solving the wave functions of the Dirac equations straightforwardly. The precession of a (an…
Nano-Hertz gravitational waves from collapsing domain walls associated with freeze-in dark matter in light of pulsar timing array observations
Zhao Zhang, Chengfeng Cai, Yu-Hang Su +3
Evidence for a stochastic gravitational wave background in the nHz frequency band is recently reported by four pulsar timing array collaborations NANOGrav, EPTA, CPTA, and PPTA. It…
Boltzmann equation and its cosmological applications
Seishi Enomoto, Yu-Hang Su, Man-Zhu Zheng +1
We review the derivation of the Boltzmann equation and its cosmological applications in this paper. The derivation of the Boltzmann equation, especially the collision term, is disc…
Freeze-in Production of Pseudo-Nambu-Goldstone Dark Matter Model with a Real Scalar
Xue-Min Jiang, Chengfeng Cai, Yu-Hang Su +1
In this work, we study a pseudo-Nambu-Goldstone boson (pNGB) dark matter model extended with a real scalar. The dark sector is assumed to be feebly coupled with the standard model…
Hidden SU(2)_D vector dark matter with a scalar septuplet
Zhao Zhang, Chengfeng Cai, Hong-Hao Zhang
We propose a vector dark matter model from a hidden SU(2)_D gauge symmetry at TeV scale. A scalar septuplet is introduced to break the SU(2)_D symmetry spontaneously. The septuplet…
The radiation emitted from axion dark matter in a homogeneous magnetic field, and possibilities for detection
Shuo Xu, Siyu Chen, Hong-Hao Zhang +1
We study the direct radiation excited by oscillating axion (or axion-like particle) dark matter in a homogenous magnetic field and its detection scheme. We concretely derive the an…
Ultraviolet completion of pseudo-Nambu-Goldstone dark matter with a hidden U(1) gauge symmetry
Dan-Yang Liu, Chengfeng Cai, Xue-Min Jiang +2
We propose an ultraviolet completion model for pseudo-Nambu-Goldstone dark matter with a hidden gauge symmetry. Compared to previous studies, this setup is simpler,…
Explaining anomalies of -physics, muon and mass in -parity violating MSSM with seesaw mechanism
Min-Di Zheng, Feng-Zhi Chen, Hong-Hao Zhang
The recent experimental results including , , and mass show deviations from the standard model (SM) predictions, implying the clues of…
Nonperturbative effects in neutrino magnetic moments
Feng-Zhi Chen, Min-Di Zheng, Hong-Hao Zhang
In this paper, we calculate the QCD nonperturbative contributions of the neutrino-quark tensor operators to the neutrino magnetic moments by matching onto the chiral perturbation t…
Corrections to electroweak precision observables from mixings of an exotic vector boson in light of the CDF -mass anomaly
Chengfeng Cai, Dayun Qiu, Yi-Lei Tang +2
We enumerate various effective couplings that contribute to the mixings between an exotic vector boson and the neutral electroweak vector bosons. The miscellaneous mix…
The -vertex corrections to W-boson mass in the R-parity violating MSSM
Min-Di Zheng, Feng-Zhi Chen, Hong-Hao Zhang
Inspired by the astonishing discrepancy between the recent CDF-II measurement and the standard model prediction on the mass of -boson, we investigate the -corrections t…
Improving heavy Dirac neutrino prospects at future hadron colliders using machine learning
Jie Feng, Mingqiu Li, Qi-Shu Yan +4
In this work, by using the machine learning methods, we study the sensitivities of heavy pseudo-Dirac neutrino in the inverse seesaw at the high-energy hadron colliders. The pr…
Cancellation mechanism of dark matter direct detection in Higgs-portal and vector-portal models
Chengfeng Cai, Yu-Pan Zeng, Hong-Hao Zhang
We present two alternative proofs for the cancellation mechanism in the U(1) symmetric pseudo-Nambu-Goldstone-Boson Dark Matter (pNGB DM) model. They help us to have a better under…
Vector dark matter production from catalyzed annihilation
Chengfeng Cai, Hong-Hao Zhang
We provide a simple model of vector dark matter (DM) which can realize the recently proposed freeze-out mechanism with catalyzed annihilation. In our setup, a vector DM field …
asymmetry in the angular distributions of decays -- II: general effective field theory analysis
Feng-Zhi Chen, Xin-Qiang Li, Shi-Can Peng +2
We proceed to study the asymmetry in the angular distributions of decays within a general effective field theory framework including four-fermion operators up t…
Studying the anomalies and in -parity violating MSSM framework with the inverse seesaw mechanism
Min-Di Zheng, Hong-Hao Zhang
Inspired by the recent experimental results which show deviations from the standard model (SM) predictions of transitions, we study the -parity vio…
Adjoint SU(5) GUT model with Modular Symmetry
Ya Zhao, Hong-Hao Zhang
We study the textures of SM fermion mass matrices and their mixings in a supersymmetric adjoint SU(5) Grand Unified Theory with modular being the horizontal symmetry. The Yuk…
Vector dark matter from split SU(2) gauge bosons
Zexi Hu, Chengfeng Cai, Yi-Lei Tang +2
We propose a vector dark matter model with an exotic dark SU(2) gauge group. Two Higgs triplets are introduced to spontaneously break the symmetry. All of the dark gauge bosons bec…
Phase transition gravitational waves from pseudo-Nambu-Goldstone dark matter and two Higgs doublets
Zhao Zhang, Chengfeng Cai, Xue-Min Jiang +3
We investigate the potential stochastic gravitational waves from first-order electroweak phase transitions in a model with pseudo-Nambu-Goldstone dark matter and two Higgs doublets…
Inert sextuplet scalar dark matter at the LHC and future colliders
Dan-Yang Liu, Chengfeng Cai, Zhao-Huan Yu +2
We study a dark matter model constructed by extending the standard model with an inert sextuplet scalar of hypercharge 1/2. The sextuplet components are…