2022 Vol. 46, No. 9
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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} $\end{document} ![]()
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collected with the Circular Elect...
A search for the dimuon decay of the Standard Model Higgs boson is performed using Monte Carlo simulated events to mimic data corresponding to an integrated luminosity of 5.6 ab
2022, 46(9): 093101. doi: 10.1088/1674-1137/ac6daa
Abstract:
Exclusive vector meson production is an excellent probe for describing the structure of protons. In this study, based on the dipole model, the differential cross sections, total cross sections, and ratios of the longitudinal to transverse cross secti...
Exclusive vector meson production is an excellent probe for describing the structure of protons. In this study, based on the dipole model, the differential cross sections, total cross sections, and ratios of the longitudinal to transverse cross secti...
2022, 46(9): 093102. doi: 10.1088/1674-1137/ac6dc6
Abstract:
Recently, scientists have achieved significant progress in experiments searching for excited\begin{document}$ \Xi_{b} $\end{document} ![]()
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and \begin{document}$ \Lambda_{b} $\end{document} ![]()
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baryons such as \begin{document}$ \Lambda_{b}(6072) $\end{documen...
Recently, scientists have achieved significant progress in experiments searching for excited
2022, 46(9): 093103. doi: 10.1088/1674-1137/ac6e35
Abstract:
The minimal supersymmetric extension of the standard model (MSSM) is extended to the\begin{document}$ U(1)_X $\end{document} ![]()
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SSM, whose local gauge group is \begin{document}$S U(3)_C \times S U(2)_L \times U(1)_Y \times U(1)_X$\end{document} ![]()
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. To obta...
The minimal supersymmetric extension of the standard model (MSSM) is extended to the
2022, 46(9): 093104. doi: 10.1088/1674-1137/ac6e37
Abstract:
In this paper, we present the universal structure of the alphabet of one-loop Feynman integrals. The letters in the alphabet are calculated using the Baikov representation with cuts. We consider both convergent and divergent cut integrals and observe...
In this paper, we present the universal structure of the alphabet of one-loop Feynman integrals. The letters in the alphabet are calculated using the Baikov representation with cuts. We consider both convergent and divergent cut integrals and observe...
2022, 46(9): 093105. doi: 10.1088/1674-1137/ac6ed2
Abstract:
There may be seven\begin{document}$ \bar D^{(*)} \Sigma_c^{(*)} $\end{document} ![]()
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hadronic molecular states. We construct their corresponding interpolating currents and calculate their masses and decay constants using QCD sum rules. Based on these res...
There may be seven
2022, 46(9): 093106. doi: 10.1088/1674-1137/ac7041
Abstract:
Using the Bethe-Salpeter equation (BSE), we investigate the forward-backward asymmetries\begin{document}$ (A _{\rm FB}) $\end{document} ![]()
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in \begin{document}$ \Lambda_b \rightarrow \Lambda l^+ l^-(l=e,\mu,\tau) $\end{document} ![]()
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in the quark-diquark mo...
Using the Bethe-Salpeter equation (BSE), we investigate the forward-backward asymmetries
2022, 46(9): 093107. doi: 10.1088/1674-1137/ac71a6
Abstract:
Recently, the Muon g-2 experiment at Fermilab measured the muon anomalous magnetic dipole moment (MDM),\begin{document}$ a_\mu=(g_\mu-2)/2 $\end{document} ![]()
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, and reported that the new experimental average increases the difference between the experimen...
Recently, the Muon g-2 experiment at Fermilab measured the muon anomalous magnetic dipole moment (MDM),
2022, 46(9): 093108. doi: 10.1088/1674-1137/ac7200
Abstract:
If two annihilation products of dark matter (DM) particles are non-relativistic and couple to a light force mediator, their plane wave functions are modified due to multiple exchanges of the force mediator. This gives rise to the final state Sommerfe...
If two annihilation products of dark matter (DM) particles are non-relativistic and couple to a light force mediator, their plane wave functions are modified due to multiple exchanges of the force mediator. This gives rise to the final state Sommerfe...
2022, 46(9): 093109. doi: 10.1088/1674-1137/ac7299
Abstract:
The two-photon radiative decay process\begin{document}$ J/\psi \to 2\gamma+hadrons $\end{document} ![]()
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was studied, and the main contribution processes, \begin{document}$ J/\psi \to 2\gamma + g g g $\end{document} ![]()
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and \begin{document}$ J/\psi \to 2\gamm...
The two-photon radiative decay process
2022, 46(9): 093110. doi: 10.1088/1674-1137/ac7317
Abstract:
The influence of the isospin-breaking\begin{document}$ \pi^0 - \eta - \eta' $\end{document} ![]()
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mixing effect on the \begin{document}$ CP $\end{document} ![]()
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-asymmetries of \begin{document}$ B\to K\pi $\end{document} ![]()
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processes is examined for the first tim...
The influence of the isospin-breaking
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} ![]()
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. Based on 6-point amplitudes (both MHVA and NMHVA) computed from Feynman diagrams in the Berends-Giele gauge, we conduct a ...
We study the application of BCFW recursion relations to the QED process
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...
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...
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...
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
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...
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...
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 ...
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 ...
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...
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...
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...
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...
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 $\end{document} ![]()
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) of 208Pb from the PREX-2 data, we revisited the recently developed G3 and IOPB-I force parameters by fine-tuning some specific couplings withi...
Based on the current measurement of the neutron distribution radius (
2022, 46(9): 094104. doi: 10.1088/1674-1137/ac6fc8
Abstract:
Charmonium dissociation is an important probe of the quark–gluon plasma medium in heavy-ion collisions. The magnetic field produced in non-central collisions can affect the charmonia and their dissociation. We study the\begin{document}$ c\bar{c} $\e...
Charmonium dissociation is an important probe of the quark–gluon plasma medium in heavy-ion collisions. The magnetic field produced in non-central collisions can affect the charmonia and their dissociation. We study the
2022, 46(9): 094105. doi: 10.1088/1674-1137/ac7201
Abstract:
Light mesons\begin{document}$ (\sigma, \pi^0, \pi^\pm) $\end{document} ![]()
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are investigated in \begin{document}$ \mu_B-T-eB $\end{document} ![]()
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and \begin{document}$ \mu_I-T-eB $\end{document} ![]()
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spaces using a two-flavor NJL model and used to determine chiral...
Light mesons
2022, 46(9): 095101. doi: 10.1088/1674-1137/ac6dc8
Abstract:
The dependence of the black hole (BH) shadow and thermodynamics may be structured in regular spacetime. Taking a regular Bardeen-AdS BH as an example, the relationship between the shadow radius and event horizon radius is derived. It is found that th...
The dependence of the black hole (BH) shadow and thermodynamics may be structured in regular spacetime. Taking a regular Bardeen-AdS BH as an example, the relationship between the shadow radius and event horizon radius is derived. It is found that th...
2022, 46(9): 095102. doi: 10.1088/1674-1137/ac6ed4
Abstract:
One of the fundamental challenges in cosmic ray physics is to explain the nature of cosmic ray acceleration and propagation mechanisms. Owing to the precise cosmic ray data measured by recent space experiments, we can investigate cosmic ray accelerat...
One of the fundamental challenges in cosmic ray physics is to explain the nature of cosmic ray acceleration and propagation mechanisms. Owing to the precise cosmic ray data measured by recent space experiments, we can investigate cosmic ray accelerat...
2022, 46(9): 095103. doi: 10.1088/1674-1137/ac70ad
Abstract:
We study the linear instability and nonlinear dynamical evolution of the Reissner-Nordström (RN) black hole in the Einstein-Maxwell-scalar theory in asymptotic flat spacetime. We focus on the coupling function\begin{document}$f(\phi)={\rm e}^{-b\phi...
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
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} ![]()
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theories of gravity by applying the Karmarkar condition. For this purpose, we consider spherically symmetric space-time to examine the structure of wormhole...
This paper examines traversable wormhole models in the
ISSN 1674-1137 CN 11-5641/O4
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