Chinese Physics C

2025-2 Contents

2025, 49(2): 1-3.

HTML

PDF

Abstract:

Strong coupling from inclusive semileptonic decay of charmed mesons

Jinfei Wu, Xinchou Lou, Yuzhi Che, Gang Li, Yanping Huang, Manqi Ruan, Jingbo Ye

2025, 49(2): 023001. doi: 10.1088/1674-1137/ad8baf

HTML

PDF

Abstract:
In this study, we employed the heavy quark expansion model with the kinetic scheme to evaluate

$\begin{document}$ \alpha_S(m_c^2) $\end{document}$

, the strong coupling constant at the charm quark mass

$\begin{document}$ m_c $\end{document}$

, using data o...

The resonance effect for the CP asymmetry associated with the process

${\boldsymbol\omega{\bf\to}{\boldsymbol\pi}^+{\boldsymbol\pi}^-{\boldsymbol\pi}^{\bf 0} }$

Xi-Liang Yuan, Gang Lü, Na Wang, Chao Wang

2025, 49(2): 023101. doi: 10.1088/1674-1137/ad8ec2

HTML

PDF

Abstract:
The direct CP asymmetry in the weak decay process of hadrons is commonly attributed to the weak phase of the CKM matrix and the indeterminate strong phase. We propose a method to generate a significant phase difference through the interference betwee...

The electromagnetic form factors and spin polarization of

${\boldsymbol\Lambda _{\boldsymbol c}^{\bf +}}$ in the process

${{\boldsymbol e}^{\bf +}{\boldsymbol e}^{\bf -}\bf\to {\boldsymbol\Lambda}_{\boldsymbol c}^{\bf +} \bar{\boldsymbol\Lambda}_{\boldsymbol c}^{\bf -}}$

Cheng Chen, Bing Yan, Ju-Jun Xie

2025, 49(2): 023102. doi: 10.1088/1674-1137/ad9259

HTML

PDF

Abstract:
The total cross sections of the process

$\begin{document}$ e^+ e^-\to \Lambda_c^+ \bar{\Lambda}_c^- $\end{document}$

close to the threshold are calculated within the vector meson dominance model. It is found that the theoretical results can describe th...

Pole determination of

${\boldsymbol X{\bf{(3960)}}}$ and

${\boldsymbol X_{\bf 0}{\bf{(4140)}}}$ in the decay

${{\boldsymbol B}^{\bf +}{\bf\to}{\boldsymbol D}_{\boldsymbol s}^{\bf +}{\boldsymbol D}_{\boldsymbol s}^{\bf -}{\boldsymbol K}^{\bf +} }$

Jialiang Lu, Mao Song, Gang Li, Xuan Luo

2025, 49(2): 023103. doi: 10.1088/1674-1137/ad9898

HTML

PDF

Abstract:
Two near-threshold peaking structures with spin-parities of

$\begin{document}$ J^{PC}=0^{++} $\end{document}$

were recently discovered by the LHCb Collaboration in the

$\begin{document}$ D_s^+D_s^- $\end{document}$

invariant mass distribution of the deca...

Jialiang Lu, Mao Song, Gang Li and Xuan Luo. Pole determination of

$\begin{document}$ {\boldsymbol X{\bf{(3960)}}} $\end{document}$

and

$\begin{document}$ {\boldsymbol X_{\bf 0}{\bf{(4140)}}} $\end{document}$

in decay

$\begin{document}${{\boldsymbol B}^{\bf +}{\bf\to}{\boldsymbol D}_{\boldsymbol s}^{\bf +}{\boldsymbol D}_{\boldsymbol s}^{\bf -}{\boldsymbol K}^{\bf +} }$\end{document}$

[J]. Chinese Physics C. doi: 10.1088/1674-1137/ad9898.

Spectroscopy of excited quarkonium states in the light-front quark model

Ritwik Acharyya, Satyajit Puhan, Harleen Dahiya, Narinder Kumar

2025, 49(2): 023104. doi: 10.1088/1674-1137/ad8ec3

HTML

PDF

Abstract:
We investigated the ground state (1S), radially excited states (2S) and (3S), and orbitally excited state (1P) for the heavy charmonia (

$\begin{document}$ c \bar c $\end{document}$

) and bottomonia (

$\begin{document}$ b \bar b $\end{document}$

) mesons in ...

p-wave mesons emitting weak decays of bottom mesons

Maninder Kaur, Supreet Pal Singh, R. C. Verma

2025, 49(2): 023105. doi: 10.1088/1674-1137/ad9893

HTML

PDF

Abstract:
This paper is the extension of our previous work entitled ''Searching a systematics for nonfactorizable contributions to

$\begin{document}$ {B^ - } $\end{document}$

and

$\begin{document}$ {\bar B^0} $\end{document}$

hadronic decays''. Obtaining the facto...

Angularity in Higgs boson decays via H→gg at NNLL' accuracy

Jiawei Zhu, Yujin Song, Jun Gao, Daekyoung Kang, Tanmay Maji

2025, 49(2): 023106. doi: 10.1088/1674-1137/ad94e0

HTML

PDF

Abstract:
We present improved predictions of a class of event-shape distributions called angularity for a contribution from an effective operator

$\begin{document}$ H\to gg $\end{document}$

in Higgs hadronic decay that suffers from large perturbative uncertainti...

Improved constraints on Higgs boson self-couplings with quartic and cubic power dependencies of the cross section

Hai Tao Li, Zong-Guo Si, Jian Wang, Xiao Zhang, Dan Zhao

2025, 49(2): 023107. doi: 10.1088/1674-1137/ad9d1d

HTML

PDF

Abstract:
Precise determination of the Higgs boson self-couplings is essential for understanding the mechanism underlying electroweak symmetry breaking. However, owing to the limited number of Higgs boson pair events at the LHC, only loose constraints have bee...

Impact of nonextensivity on the transport coefficients of strongly interacting QCD matter

Dhananjay Singh, Arvind Kumar

2025, 49(2): 023108. doi: 10.1088/1674-1137/ad99b1

HTML

PDF

Abstract:
Tsallis nonextensive statistics is applied to study the transport coefficients of strongly interacting matter within the Polyakov chiral

$\begin{document}$S U(3) $\end{document}$

quark mean field model (PCQMF). Nonextensivity is introduced within the P...

Constraining symmetry energy from pygmy dipole resonances in ⁶⁸Ni and ¹³²Sn

Ling Liu, Yu-Wei Lu, Shuai Sun, Li-Gang Cao

2025, 49(2): 024101. doi: 10.1088/1674-1137/ad9016

HTML

PDF

Abstract:
We conduct a new investigation of the correlation at saturation (subsaturation) density between the density dependence of symmetry energy and the percentage of the energy-weighted sum rule (EWSR) exhausted by pygmy dipole resonances (PDR) in ⁶⁸Ni and...

Rotational properties and blocking effects in N = 152 isotones ²⁵⁴No, ²⁵⁵Lr, and ²⁵⁶Rf

Jun Zhang, Hai-Qian Zhang, Xiao-Tao He

2025, 49(2): 024102. doi: 10.1088/1674-1137/ad9146

HTML

PDF

Abstract:
The ground-state bands in the

$\begin{document}$ N=152 $\end{document}$

isotones ²⁵⁴No, ²⁵⁵Lr, and ²⁵⁶Rf are investigated using the cranked shell model (CSM), with pairing correlations treated via the particle-number-conserving (PNC) method. The experi...

Production of

${{\boldsymbol\psi} {\bf{ (4040)}}}$ ,

${ \boldsymbol\psi \bf (4160) }$ , and

${ \boldsymbol\psi \bf (4415) }$ mesons in strong interactions

Sheng-Nan Xu, Xiao-Ming Xu

2025, 49(2): 024103. doi: 10.1088/1674-1137/ad9895

HTML

PDF

Abstract:
Using the inelastic scattering of charmed strange mesons by open-charm mesons in hadronic matter produced in Pb-Pb collisions at the Large Hadron Collider, we study the production of

$\begin{document}$\psi (4040)$\end{document}$

,

\begin{document}$\psi ...

Sheng-Nan Xu and Xiao-Ming Xu. Production of

$\begin{document}$ {{\boldsymbol\psi} {\bf{ (4040)}}} $\end{document}$

,

$\begin{document}${ \boldsymbol\psi \bf (4160) }$\end{document}$

, and

$\begin{document}${ \boldsymbol\psi \bf (4415) }$\end{document}$

mesons in strong interactions[J]. Chinese Physics C. doi: 10.1088/1674-1137/ad9895.

Tetrahedral shape and Lambda impurity effect in ⁸⁰Zr with a multidimensionally constrained relativistic Hartree-Bogoliubov model

Dan Yang, Yu-Ting Rong

2025, 49(2): 024104. doi: 10.1088/1674-1137/ad8e40

HTML

PDF

Abstract:
This study investigated the tetrahedral structure in ⁸⁰Zr and Lambda (Λ) impurity effect in

$\begin{document}$ ^{81}_{\; \Lambda} $\end{document}$

Zr using the multidimensionally constrained relativistic Hartree-Bogoliubov model. The ground states of bo...

Systematic studies of odd-even staggering in isotopic cross sections with new difference formulas

Bo Mei, Yu-Tian Guan, Ning-Xin Zeng, Tian-Jun Yu, Jia-Jun Tu, Zi-Ying Mai, Hao-Tian Ma, Ruo-Ya Li, Yu-Hao Pan

2025, 49(2): 024105. doi: 10.1088/1674-1137/ad99b0

HTML

PDF

Abstract:
Although a 3rd-order difference formula has often been employed to investigate the odd-even staggering (OES) in experimental cross sections, other formulas can also be very useful. In this work, three formulas, the 2nd, 4th, and 5th-order difference ...

Generalized susceptibilities of the net-baryon number based on the three-dimensional Ising universality class

Xue Pan

2025, 49(2): 024106. doi: 10.1088/1674-1137/ad9f43

HTML

PDF

Abstract:
Assuming the equilibrium of the Quantum Chromodynamics (QCD) system, we investigate the critical behavior of the sixth-, eighth-, and tenth-order susceptibilities of the net-baryon number through mapping the results in the three-dimensional Ising mod...

Accretion of Vlasov gas onto a black hole in the Kalb–Ramond field

Xu-Xin Zhang, Yu-Hao Jiang

2025, 49(2): 025101. doi: 10.1088/1674-1137/ad8bb0

HTML

PDF

Abstract:
We investigate the accretion of Vlasov gas onto a static, spherically symmetric black hole (BH) influenced by the Kalb–Ramond (KR) field, focusing on the effects of Lorentz symmetry breaking (LSB) parameters. We employ the Maxwell–Jüttner distributio...

Constraints on covariant Horava-Lifshitz gravity from precision measurement of planetary gravitomagnetic field

Li-Dong Zhang, Li-Fang Li, Peng Xu, Xing Bian, Zi-Ren Luo

2025, 49(2): 025102. doi: 10.1088/1674-1137/ad873d

HTML

PDF

Abstract:
As a generalization of Einstein's theory, Horava-Lifshitz gravity has attracted significant interest owing to its healthy ultraviolet behavior. In this paper, we analyze the impact of the Horava-Lifshitz corrections on the gravitomagnetic field. We p...

QED effects on Kerr-Newman black hole shadows

Shao-bing Yuan, Chang-kai Luo, Ze-zhou Hu, Zhen-yu Zhang, Bin Chen

2025, 49(2): 025103. doi: 10.1088/1674-1137/ad9148

HTML

PDF

Abstract:
By incorporating first-order QED effects, we explored the shadows of Kerr-Newman black holes with a magnetic charge through the numerical backward ray-tracing method. Our investigation encompassed both the direct influence of the electromagnetic fiel...

Quasinormal modes of a black hole surrounded by a fluid of strings in Rastall gravity

Ming Zhang, Rui-Hong Yue, De-Cheng Zou

2025, 49(2): 025104. doi: 10.1088/1674-1137/ad9453

HTML

PDF

Abstract:
In this paper, we explore the quasinormal modes (QNMs) of a black hole surrounded by a fluid of strings within the framework of Rastall gravity. We analyze the behavior of scalar, electromagnetic, and gravitational perturbations, focusing on the infl...

Primordial black holes and scalar induced density perturbations: the effects of probability density functions

Jing-Zhi Zhou, Yu-Ting Kuang, Zhe Chang, Xukun Zhang, Qing-Hua Zhu

2025, 49(2): 025105. doi: 10.1088/1674-1137/ad972c

HTML

PDF

Abstract:
We investigate the second order energy density perturbation

$\begin{document}$ \delta^{(2)} $\end{document}$

induced by small-scale Gaussian and local-type non-Gaussian primordial curvature perturbations. The relative abundance of primordial black hole...

Fixing three dimensional geometries from entanglement entropies of CFT₂

Peng Wang, Houwen Wu, Haitang Yang

2025, 49(2): 025106. doi: 10.1088/1674-1137/ad93b8

HTML

PDF

Abstract:
In this paper, we propose a method of fixing the leading behaviors of three dimensional geometries from the dual CFT₂ entanglement entropies. We employ only the holographic principle and do not use any assumption about the AdS/CFT correspondence and ...

Schwarzschild black hole surrounded by a cloud of strings in the background of perfect fluid dark matter

B. Hamil, B. C. Lütfüoğlu

2025, 49(2): 025107. doi: 10.1088/1674-1137/ad9894

HTML

PDF

Abstract:
This manuscript investigates a Schwarzschild black hole surrounded by perfect fluid dark matter embedded in a cloud of strings. The effects of its surroundings on thermodynamics, timelike and null geodesics, shadows, and quasinormal modes are analyze...

Noncommutativity and its role in constant-roll inflation models with non-minimal coupling constrained by swampland conjectures

Saeed Noori Gashti, Mohammad Reza Alipour, Mohammad Ali S. Afshar, Jafar Sadeghi

2025, 49(2): 025108. doi: 10.1088/1674-1137/ad93b7

HTML

PDF

Abstract:
In this paper, using Hamiltonian formalism, we obtain solutions for constant-roll inflation according to the noncommutativity and the non-minimal coupling field of the Lagrangian. We consider three different types of couplings: power-law, exponential...

Accretion disk of a white hole

Lifang Li, Zhoujian Cao, Yi Ling, Xiaoning Wu

2025, 49(2): 025109. doi: 10.1088/1674-1137/ad9899

HTML

PDF

Abstract:
A white hole is simply a region of spacetime described by general relativity. Black holes are often assumed to form through star collapses. Based on such an assumption, the white hole region does not present. Recent research on quantum gravity indica...

Anisotropic quark stars in

${\boldsymbol {f(R,L_m,T)} }$ gravity

Takol Tangphati, İzzet Sakallı, Ayan Banerjee, Anirudh Pradhan

2025, 49(2): 025110. doi: 10.1088/1674-1137/ad99b2

HTML

PDF

Abstract:
We investigated the impact of

$\begin{document}$f(R,L_m,T)$\end{document}$

gravity on the internal structure of compact stars, expecting this theory to manifest prominently in the high-density cores of such stars. We considered the algebraic function

\...

Takol Tangphati, İzzet Sakallı, Ayan Banerjee and Anirudh Pradhan. Anisotropic quark stars in

$\begin{document}${\boldsymbol {f(R,L_m,T)} }$\end{document}$

gravity[J]. Chinese Physics C. doi: 10.1088/1674-1137/ad99b2.

2025 Vol. 49, No. 2