Chinese Physics C

Expected

${\boldsymbol H \xrightarrow{} {\boldsymbol{\mu^+\mu^-}}}$ measurement precision with

${\boldsymbol { e^{+}e^{-}}{\bf \xrightarrow{}}{ \boldsymbol{Z(q\bar{q})H}}}$ 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

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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...

Qi Liu, Kunlin Ran, Yanping Huang, Gang Li, Manqi Ruan, Shan Jin and Liang Sun. Expected

$\begin{document}${\boldsymbol H \xrightarrow{} {\boldsymbol{\mu^+\mu^-}}} $\end{document}$

measurement precision with

$\begin{document}${\boldsymbol { e^{+}e^{-}}}{\bf \xrightarrow{}}{ \boldsymbol{Z(q\bar{q})H}}$\end{document}$

production at the CEPC[J]. Chinese Physics C. doi: 10.1088/1674-1137/ac74a9.

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

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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 Ξ_b and Λ_b baryons

Guo-Liang Yu, Zhi-Gang Wang, Xiu-Wu Wang

2022, 46(9): 093102. doi: 10.1088/1674-1137/ac6dc6

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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

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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

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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

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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

${\boldsymbol \Lambda_{\boldsymbol b} \boldsymbol\rightarrow \boldsymbol\Lambda l^+ l^- }$ 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

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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...

Liang-Liang Liu, Su-Jun Cui, Jing Xu and Xin-Heng Guo. Forward-backward asymmetries in

$\begin{document}${\boldsymbol \Lambda_{\boldsymbol b} \boldsymbol\rightarrow \boldsymbol\Lambda l^+ l^- }$\end{document}$

in the Bethe-Salpeter equation approach[J]. Chinese Physics C. doi: 10.1088/1674-1137/ac7041.

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

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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

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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

${ \boldsymbol J/\boldsymbol\psi \to {\bf 2}{\boldsymbol\gamma}{\boldsymbol{+hadrons}} }$ at the BESIII

Feng Zhang, Jian-Xiong Wang

2022, 46(9): 093109. doi: 10.1088/1674-1137/ac7299

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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...

Feng Zhang and Jian-Xiong Wang. Study of the rare decay

$\begin{document}${ \boldsymbol J/\boldsymbol\psi \to {\bf 2}{\boldsymbol\gamma}{\boldsymbol{+hadrons}} }$\end{document}$

at the BESIII[J]. Chinese Physics C. doi: 10.1088/1674-1137/ac7299.

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

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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

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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

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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...

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

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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

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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,

${\boldsymbol{xnyp}}$ ) 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

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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

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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

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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

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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

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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 μ_B-T-eB and μ_I-T-eB spaces

Luyang Li, Shijun Mao

2022, 46(9): 094105. doi: 10.1088/1674-1137/ac7201

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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...

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

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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

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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

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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

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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...

2022 Vol. 46, No. 9