Chinese Physics C

A discussion on the anomalous threshold enhancement of $ {\boldsymbol J/\boldsymbol\psi }$ –${ \boldsymbol\psi \bf (3770) }$ couplings and ${\boldsymbol X \bf (6900) }$ peak

Ye Lu, Chang Chen, Guang-You Qin, Han-Qing Zheng

2024, 48(4): 041001. doi: 10.1088/1674-1137/ad2361

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Abstract:
The attractive interaction between

\begin{document}$ J/\psi $\end{document}

and

\begin{document}$ \psi(3770) $\end{document}

has to be strong enough if X(6900) is of the molecule type. We argue that since

\begin{document}$ \psi(3770) $\end{document}

...

Search for production of dark fermion candidates in association with heavy neutral gauge boson decaying to dimuon in proton-proton collisions at${ \sqrt{\boldsymbol s} \bf = 8} $ TeV using CMS open data

Y. Mahmoud, H. Abdallah, M. T. Hussein, S. Elgammal

2024, 48(4): 043001. doi: 10.1088/1674-1137/ad20d5

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Abstract:
In this study, we conducted a search for dark matter using a part of the data recorded by the CMS experiment during run-I of the LHC in 2012 with a center of mass energy of 8 TeV and an integrated luminosity of 11.6 fb⁻¹. These data were gathered fro...

${\mathrm{SANC}}$ Monte Carlo programs for small-angle Bhabha scattering

A.B. Arbuzov, S.G. Bondarenko, I.R. Boyko, L.V. Kalinovskaya, A.A. Kampf, R.R. Sadykov, V.L. Yermolchyk

2024, 48(4): 043002. doi: 10.1088/1674-1137/ad1fe6

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Abstract:
Luminosity monitoring at

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

colliders was investigated using

\begin{document}$\mathrm{SANC}$\end{document}

Monte Carlo event generator

\begin{document}$\mathrm{ReneSANCe}$\end{document}

and integrator

\begin{docu...

Solar neutrino background in high-pressure gaseous ⁸²SeF₆ TPC neutrinoless double beta decay experiments

Jiemiao Wang, Hulin Wang, Dongliang Zhang

2024, 48(4): 043003. doi: 10.1088/1674-1137/ad2675

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Abstract:
In this study, the possibility of observing a solar neutrino background in a future neutrinoless double beta decay experiment using a high-pressure gaseous ⁸²SeF₆ TPC is investigated. Various contributions are simulated, and possible features that co...

Leptonic di-flavor and di-number violation processes at high energy ${{ {\boldsymbol\mu}^{\bf\pm}}{\boldsymbol\mu}^{\bf\pm}} $ colliders

Jin-Lei Yang, Chao-Hsi Chang, Tai-Fu Feng

2024, 48(4): 043101. doi: 10.1088/1674-1137/ad17b0

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The leptonic di-flavor violation (LFV) processes

\begin{document}$ \mu^\pm \mu^\pm \rightarrow e^\pm e^\pm $\end{document}

and

\begin{document}$ \mu^\pm \mu^\pm \rightarrow \tau^\pm \tau^\pm $\end{document}

and leptonic di-number violation (LNV) proc...

Some remarks on compositeness of ${{\boldsymbol T}^{\bf +}_{\boldsymbol{cc}}} $

Chang Chen, Ce Meng, Zhiguang Xiao, Han-Qing Zheng

2024, 48(4): 043102. doi: 10.1088/1674-1137/ad1a0b

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Abstract:
Recently, the LHCb experimental group found an exotic state

\begin{document}$ T^+_{cc} $\end{document}

from the

\begin{document}$ pp \to D^0D^0\pi^+ + X $\end{document}

process. A key question is whether it is just a molecule or may have a confined t...

Searching for the light leptophilic gauge boson Z_xvia four-lepton final states at the CEPC

Chong-Xing Yue, Yan-Yu Li, Mei-Shu-Yu Wang, Xin-Meng Zhang

2024, 48(4): 043103. doi: 10.1088/1674-1137/ad25f5

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We investigate the possibility of detecting the leptophilic gauge boson

\begin{document}$ Z_x $\end{document}

predicted by the

\begin{document}$ U(1)_{L_e-L_\mu} $\end{document}

model via the processes

\begin{document}$ e^+e^-\rightarrow \ell^+\ell^-...

Higgs-like (pseudo)scalars in AdS₄, marginal and irrelevant deformations in CFT₃, and instantons on S³

M. Naghdi

2024, 48(4): 043104. doi: 10.1088/1674-1137/ad205f

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Employing a 4-form ansatz of 11-dimensional supergravity over a non-dynamical

\begin{document}$AdS_4 \times S^7/Z_k$\end{document}

background and setting the internal space as an

\begin{document}$S^1$\end{document}

Hopf fibration on

\begin{document}$...

Revisiting the top-quark pair production at future e⁺e⁻ colliders

Jin Ma, Sheng-Quan Wang, Ting Sun, Jian-Ming Shen, Xing-Gang Wu

2024, 48(4): 043105. doi: 10.1088/1674-1137/ad243e

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Abstract:
In this study, we reanalyze the top-quark pair production at next-to-next-to-leading order (NNLO) in quantum chromodynamics (QCD) at future

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

colliders using the Principle of Maximum Conformality (PMC) method. T...

Correlations of baryon and charge stopping in heavy ion collisions

Wendi Lv, Yang Li, Ziyang Li, Rongrong Ma, Zebo Tang, Prithwish Tribedy, Chun Yuen Tsang, Zhangbu Xu, Wangmei Zha

2024, 48(4): 044001. doi: 10.1088/1674-1137/ad243f

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Abstract:
Baryon numbers are theorized to be carried by valence quarks in the standard QCD picture of the baryon structure. Another theory proposed an alternative baryon number carrier, a non-perturbative Y-shaped configuration of the gluon field, called the b...

Tensor force impact on shell evolution in neutron-rich Si and Ni isotopes

S.V. Sidorov, A.S. Kornilova, T.Yu. Tretyakova

2024, 48(4): 044101. doi: 10.1088/1674-1137/ad20d4

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Abstract:
The influence of the tensor interaction of nucleons on the characteristics of neutron-rich silicon and nickel isotopes was studied in this work. Tensor forces are considered within the framework of the Hartree-Fock approach with the Skyrme interactio...

Theoretical calculations of proton emission half-lives based on a deformed Gamow-like model

Dong-Meng Zhang, Xiao-Yuan Hu, Lin-Jing Qi, Hong-Ming Liu, Ming Li, Xiao-Hua Li

2024, 48(4): 044102. doi: 10.1088/1674-1137/ad243d

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Abstract:
In this study, proton emission half-lives were investigated for deformed proton emitters with

\begin{document}$ 53\leq Z \leq 83 $\end{document}

based on the presented deformed Gamow-like model, where the deformation effect was included in the Coulom...

Exploration of the ground state properties of neutron-rich sodium isotopes using the deformed relativistic mean field theory in complex momentumrepresentations with BCS pairings

Yu-Xuan Luo, Quan Liu, Jian-You Guo

2024, 48(4): 044103. doi: 10.1088/1674-1137/ad1fe3

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Abstract:
This study explores the ground-state characteristics of neutron-rich sodium isotopes, encompassing two-neutron separation energies, root-mean-square radii, quadrupole moments of proton and neutron distributions, single-particle levels of bound and re...

Astrophysical S-factor and reaction rate for ¹⁵N(p,γ)¹⁶O within the modified potential cluster model

S. B. Dubovichenko, A. S. Tkachenko, R. Ya. Kezerashvili, N. A. Burkova, B. M. Yeleusheva

2024, 48(4): 044104. doi: 10.1088/1674-1137/ad1fe7

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Abstract:
We study radiative

\begin{document}$ p^{15} {\rm{N}}$\end{document}

capture on the ground state of ¹⁶O at stellar energies within the framework of a modified potential cluster model (MPCM) with forbidden states, including low-lying resonances. The in...

α-particle preformation factors in heavy and superheavy nuclei

Song Luo, Dong-Meng Zhang, Lin-Jing Qi, Xun Chen, Peng-Cheng Chu, Xiao-Hua Li

2024, 48(4): 044105. doi: 10.1088/1674-1137/ad21e9

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In this study, α-particle preformation factors in heavy and superheavy nuclei from ²²⁰Th to ²⁹⁴Og are investigated. By combing experimental α decay energies and half-lives, the α-particle preformation factors

\begin{document}$ P_{\alpha} $\end{docu...

Simulating gamma-ray production from cosmic rays interacting with the solar atmosphere in the presence of coronal magnetic fields

Zhe Li, Kenny C. Y. Ng, Songzhan Chen, Yuncheng Nan, Huihai He

2024, 48(4): 045101. doi: 10.1088/1674-1137/ad1cda

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Cosmic rays can interact with the solar atmosphere and produce a slew of secondary messengers, making the Sun a bright gamma-ray source in the sky. Detailed observations with Fermi-LAT have shown that these interactions must be strongly affected by s...

Rastall gravity: accretion disk image in the context of radiation fields and visual transformations compared to Reissner-Nordström black hole

Yu-Xiang Huang, Sen Guo, Yu Liang, Yu-Hao Cui, Qing-Quan Jiang, Kai Lin

2024, 48(4): 045102. doi: 10.1088/1674-1137/ad1feb

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In this study, we investigated the astronomical implications of Rastall gravity, particularly its behavior amidst a radiation field compared to Reissner-Nordström (RN) black holes. We found a crucial correlation between the dynamics of the accretion ...

Radiative capture of proton through the ¹⁴N(p,γ)¹⁵O reaction at low energy

B.F. Irgaziev, Abdul Kabir, Jameel-Un Nabi

2024, 48(4): 045103. doi: 10.1088/1674-1137/ad1b3c

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The CNO cycle is the main source of energy in stars more massive than our Sun. This process defines the energy production, the duration of which can be used to determine the lifetime of massive stars. The cycle is an important tool for determining th...

Higgs inflation model with non-minimal coupling in hybrid Palatini approach

Brahim Asfour, Aatifa Bargach, Ahmed Errahmani, Taoufik Ouali

2024, 48(4): 045104. doi: 10.1088/1674-1137/ad1dcd

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In this paper, we propose a hybrid metric Palatini approach in which the Palatini scalar curvature is non minimally coupled to the scalar field. We derive Einstein's field equations, i.e., the equations of motion of the scalar field. Furthermore, the...

Reconstruction of aether scalar tensor theory for variouscosmological scenarios

Qi-Ming Fu, Meng-Ci He, Tao-Tao Sui, Xin Zhang

2024, 48(4): 045105. doi: 10.1088/1674-1137/ad2360

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In this paper, we present several explicit reconstructions for the aether scalar tensor (AeST) theory derived from the background of the Friedmann-Lemaître-Robertson-Walker cosmological evolution. It is shown that the Einstein-Hilbert Lagrangian with...

Gravitational wave footprints from Higgs-portal scalegenesis with multiple dark chiral scalars

He-Xu Zhang, Shinya Matsuzaki, Hiroyuki Ishida

2024, 48(4): 045106. doi: 10.1088/1674-1137/ad2b4f

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We discuss the gravitational wave (GW) spectra predicted from the electroweak scalegenesis of the Higgs portal type with a large number of dark chiral flavors, which many flavor QCD would underlie and give the dynamical explanation of the negative Hi...

Analytical solutions of equatorial geodesic motion in Kerr spacetime

Yan Liu, Bing Sun

2024, 48(4): 045107. doi: 10.1088/1674-1137/ad260a

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Abstract:
The study of Kerr geodesics has a long history, particularly for those occurring within the equatorial plane, which are generally well-understood. However, when compared with the classification introduced by one of the authors [Phys. Rev. D 105, 0240...

Efficient parameter inference for gravitational wave signals in the presence of transient noises using temporal and time-spectral fusion normalizing flow

Tian-Yang Sun, Chun-Yu Xiong, Shang-Jie Jin, Yu-Xin Wang, Jing-Fei Zhang, Xin Zhang

2024, 48(4): 045108. doi: 10.1088/1674-1137/ad2a5f

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Abstract:
Glitches represent a category of non-Gaussian and transient noise that frequently intersects with gravitational wave (GW) signals, thereby exerting a notable impact on the processing of GW data. The inference of GW parameters, crucial for GW astronom...

2024 Vol. 48, No. 4