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2022 Vol. 46, No. 9

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PARTICLES AND FIELDS
Expected Hμ+μ measurement precision with e+eZ(qˉq)H production at the CEPC
Qi Liu, Kunlin Ran, Yanping Huang, Gang Li, Manqi Ruan, Shan Jin, Liang Sun
2022, 46(9): 093001. doi: 10.1088/1674-1137/ac74a9
Abstract:
A search for the dimuon decay of the Standard Model Higgs boson is performed using Monte Carlo simulated events to mimic data corresponding to an integrated luminosity of 5.6 ab\begin{document}$ ^{-1} $\end{document}
collected with the Circular Elect...
Exclusive vector meson production with the analytical solution of Balitsky-Kovchegov equation
Xiao-Peng Wang, Wei Kou, Gang Xie, Ya-Ping Xie, Xu-Rong Chen
2022, 46(9): 093101. doi: 10.1088/1674-1137/ac6daa
Abstract:
Exclusive vector meson production is an excellent probe for describing the structure of protons. In this study, based on the dipole model, the differential cross sections, total cross sections, and ratios of the longitudinal to transverse cross secti...
1D and 2D Ξb and Λb baryons
Guo-Liang Yu, Zhi-Gang Wang, Xiu-Wu Wang
2022, 46(9): 093102. doi: 10.1088/1674-1137/ac6dc6
Abstract:
Recently, scientists have achieved significant progress in experiments searching for excited \begin{document}$ \Xi_{b} $\end{document}
and \begin{document}$ \Lambda_{b} $\end{document}
baryons such as \begin{document}$ \Lambda_{b}(6072) $\end{documen...
Study of lepton EDMs in the U(1)X SSM
Lu-Hao Su, Dan He, Xing-Xing Dong, Tai-Fu Feng, Shu-Min Zhao
2022, 46(9): 093103. doi: 10.1088/1674-1137/ac6e35
Abstract:
The minimal supersymmetric extension of the standard model (MSSM) is extended to the \begin{document}$ U(1)_X $\end{document}
SSM, whose local gauge group is \begin{document}$S U(3)_C \times S U(2)_L \times U(1)_Y \times U(1)_X$\end{document}
. To obta...
Alphabet of one-loop Feynman integrals
Jiaqi Chen, Chichuan Ma, Li Lin Yang
2022, 46(9): 093104. doi: 10.1088/1674-1137/ac6e37
Abstract:
In this paper, we present the universal structure of the alphabet of one-loop Feynman integrals. The letters in the alphabet are calculated using the Baikov representation with cuts. We consider both convergent and divergent cut integrals and observe...
Hidden-charm pentaquark states through current algebra: from their production to decay
Hua-Xing Chen
2022, 46(9): 093105. doi: 10.1088/1674-1137/ac6ed2
Abstract:
There may be seven \begin{document}$ \bar D^{(*)} \Sigma_c^{(*)} $\end{document}
hadronic molecular states. We construct their corresponding interpolating currents and calculate their masses and decay constants using QCD sum rules. Based on these res...
Forward-backward asymmetries in ΛbΛl+l in the Bethe-Salpeter equation approach
Liang-Liang Liu, Su-Jun Cui, Jing Xu, Xin-Heng Guo
2022, 46(9): 093106. doi: 10.1088/1674-1137/ac7041
Abstract:
Using the Bethe-Salpeter equation (BSE), we investigate the forward-backward asymmetries \begin{document}$ (A _{\rm FB})  $\end{document}
in \begin{document}$ \Lambda_b \rightarrow \Lambda l^+ l^-(l=e,\mu,\tau) $\end{document}
in the quark-diquark mo...
Muon anomalous magnetic dipole moment in the μνSSM
Hai-Bin Zhang, Chang-Xin Liu, Jin-Lei Yang, Tai-Fu Feng
2022, 46(9): 093107. doi: 10.1088/1674-1137/ac71a6
Abstract:
Recently, the Muon g-2 experiment at Fermilab measured the muon anomalous magnetic dipole moment (MDM), \begin{document}$ a_\mu=(g_\mu-2)/2 $\end{document}
, and reported that the new experimental average increases the difference between the experimen...
Final bound-state formation effect on dark matter annihilation
Xinyu Wang, Fucheng Zhong, Feng Luo
2022, 46(9): 093108. doi: 10.1088/1674-1137/ac7200
Abstract:
If two annihilation products of dark matter (DM) particles are non-relativistic and couple to a light force mediator, their plane wave functions are modified due to multiple exchanges of the force mediator. This gives rise to the final state Sommerfe...
Study of the rare decay J/ψ2γ+hadrons at the BESIII
Feng Zhang, Jian-Xiong Wang
2022, 46(9): 093109. doi: 10.1088/1674-1137/ac7299
Abstract:
The two-photon radiative decay process \begin{document}$ J/\psi \to 2\gamma+hadrons $\end{document}
was studied, and the main contribution processes, \begin{document}$ J/\psi \to 2\gamma + g g g $\end{document}
and \begin{document}$ J/\psi \to 2\gamm...
Potential pollution of the Kπ-puzzle by the isospin-breaking π0-η-η' mixing effect
Zhen-Hua Zhang
2022, 46(9): 093110. doi: 10.1088/1674-1137/ac7317
Abstract:
The influence of the isospin-breaking \begin{document}$ \pi^0  - \eta - \eta' $\end{document}
mixing effect on the \begin{document}$ CP $\end{document}
-asymmetries of \begin{document}$ B\to K\pi $\end{document}
processes is examined for the first tim...
Shifts in the BCFW method for QED
Ke Li, Yuxin Liu, Qi-Shu Yan, Xiaoran Zhao
2022, 46(9): 093111. doi: 10.1088/1674-1137/ac745a
Abstract:
We study the application of BCFW recursion relations to the QED process \begin{document}$0 \to e^- e^+ n \gamma$\end{document}
. Based on 6-point amplitudes (both MHVA and NMHVA) computed from Feynman diagrams in the Berends-Giele gauge, we conduct a ...
Exploring fermionic multiplet dark matter through precision measurements at the CEPC
Lin-Qing Gao, Xiao-Jun Bi, Jin-Wei Wang, Qian-Fei Xiang, Peng-Fei Yin
2022, 46(9): 093112. doi: 10.1088/1674-1137/ac7547
Abstract:
New physics could be explored through loop effects using the precision measurements at the Circular Electron Positron Collider (CEPC) owing to its clean collision environment and high luminosity. In this paper, we focus on two dark matter models that...
NUCLEAR PHYSICS
Possible multiple antimagnetic rotational bands in odd-A 103,105Pd and 109Cd nuclei
Yu-Kun Pan, Ke-Yan Ma, Jing-Bin Lu
2022, 46(9): 094001. doi: 10.1088/1674-1137/ac6dab
Abstract:
The positive-parity signature partner bands in 103,105Pd and 109Cd nuclei are investigated using the classical particle-rotor model. Based on the systematic study of neighbouring nuclei, the signature partner bands of 105Pd are assigned to the \begin...
Possible collective band in neutron-rich 119Sn
Da-Peng Sun, Hong-Fei Bai, Xu Wen-Zheng, Shou-Yu Wang, Wu Xiao-Guang, Hui Jia, Chen Liu, Bin Qi, Guang-Sheng Li, Yun Zheng, Cong-Bo Li, Zhi-Quan Li, Shuo Wang, Lin Mu, Nai-Bo Zhang, Rui-Ju Guo, Aman Rohilla
2022, 46(9): 094002. doi: 10.1088/1674-1137/ac6f4f
Abstract:
Excited states of 119Sn have been studied using an in-beam γ-ray spectroscopic technique following the incomplete fusion of 7Li on a 116Cd target at a beam energy of 42 MeV. A new bandlike structure is proposed to result from deformed two-particle-tw...
Multiparticle natSr(γ, xnyp) reactions induced with bremsstrahlung end-point energies of 55, 60, and 65 MeV
Nguyen Van Do, Nguyen Thanh Luan, Nguyen Thi Xuan, Kim Tien Thanh, Nguyen Thi Hien, Guinyun Kim
2022, 46(9): 094003. doi: 10.1088/1674-1137/ac73e8
Abstract:
This study measured the yields of the radionuclides 82Sr, 83(m+g)Sr, 85mSr, 85gSr, 87mSr, 81(g+0.976m)Rb, 82mRb, 83gRb, 84(m+g)Rb, and 86(m+g)Rb produced in natSr(γ, xnyp) multiparticle reactions with bremsstrahlung end-point energies of 55, 60, and ...
Hadron production with collinearly-improved unintegrated gluon distributions in high energy proton-proton collisions
Wenduo Zhao, Wenchang Xiang, Mengliang Wang, Yanbing Cai, Daicui Zhou
2022, 46(9): 094101. doi: 10.1088/1674-1137/ac6dac
Abstract:
The collinearly-improved Balitsky-Kovchegov (ciBK) equation evolved unintegrated gluon distribution (UGD) is used for the first time to study hadron production in high energy proton-proton collisions in order to improve the predictive power of the Co...
Possibilities of synthesizing new proton-rich nuclei with 40 ≤ Z ≤ 60 using multinucleon transfer reactions
Zhi Cheng, XiaoJun Bao
2022, 46(9): 094102. doi: 10.1088/1674-1137/ac6ed3
Abstract:
Multinucleon transfer reactions near the Coulomb barrier are investigated based on the improved dinuclear system (DNS) model, and the deexcitation process of primary fragments are described using the statistical model GEMINI++. The production cross s...
Constraining the relativistic mean-field models from PREX-2 data: effective forces revisited
Jeet Amrit Pattnaik, R. N. Panda, M. Bhuyan, S. K. Patra
2022, 46(9): 094103. doi: 10.1088/1674-1137/ac6f4e
Abstract:
Based on the current measurement of the neutron distribution radius (\begin{document}$ R_n $\end{document}
) of 208Pb from the PREX-2 data, we revisited the recently developed G3 and IOPB-I force parameters by fine-tuning some specific couplings withi...
Dissociation of J/ψ in hot medium and magnetic field
Da Teng, Xingyu Guo
2022, 46(9): 094104. doi: 10.1088/1674-1137/ac6fc8
Abstract:
Charmonium dissociation is an important probe of the quark–gluon plasma medium in heavy-ion collisions. The magnetic field produced in non-central collisions can affect the charmonia and their dissociation. We study the \begin{document}$ c\bar{c} $\e...
Light mesons and phase structures in μB-T-eB and μI-T-eB spaces
Luyang Li, Shijun Mao
2022, 46(9): 094105. doi: 10.1088/1674-1137/ac7201
Abstract:
Light mesons \begin{document}$ (\sigma, \pi^0, \pi^\pm) $\end{document}
are investigated in \begin{document}$ \mu_B-T-eB $\end{document}
and \begin{document}$ \mu_I-T-eB $\end{document}
spaces using a two-flavor NJL model and used to determine chiral...
PARTICLE AND NUCLEAR ASTROPHYSICS AND COSMOLOGY
Shadow thermodynamics of an AdS black hole in regular spacetime
Sen Guo, Guan-Ru Li, Guo-Ping Li
2022, 46(9): 095101. doi: 10.1088/1674-1137/ac6dc8
Abstract:
The dependence of the black hole (BH) shadow and thermodynamics may be structured in regular spacetime. Taking a regular Bardeen-AdS BH as an example, the relationship between the shadow radius and event horizon radius is derived. It is found that th...
Testing the consistency of propagation between light and heavy cosmic ray nuclei
Yu Wang, Juan Wu, Wei-Cheng Long
2022, 46(9): 095102. doi: 10.1088/1674-1137/ac6ed4
Abstract:
One of the fundamental challenges in cosmic ray physics is to explain the nature of cosmic ray acceleration and propagation mechanisms. Owing to the precise cosmic ray data measured by recent space experiments, we can investigate cosmic ray accelerat...
Dynamical spontaneous scalarization in Einstein-Maxwell-scalar theory
Wei Xiong, Peng Liu, Chao Niu, Cheng-Yong Zhang, Bin Wang
2022, 46(9): 095103. doi: 10.1088/1674-1137/ac70ad
Abstract:
We study the linear instability and nonlinear dynamical evolution of the Reissner-Nordström (RN) black hole in the Einstein-Maxwell-scalar theory in asymptotic flat spacetime. We focus on the coupling function \begin{document}$f(\phi)={\rm e}^{-b\phi...
Traversable wormhole solutions in the f (R) theories of gravity under the Karmarkar condition
Adnan Malik, Fatemah Mofarreh, Aqsa Zia, Akram Ali
2022, 46(9): 095104. doi: 10.1088/1674-1137/ac74b0
Abstract:
This paper examines traversable wormhole models in the \begin{document}$ f(R) $\end{document}
theories of gravity by applying the Karmarkar condition. For this purpose, we consider spherically symmetric space-time to examine the structure of wormhole...

ISSN 1674-1137 CN 11-5641/O4

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