Processing math: 13%

2021 Vol. 45, No. 10

Display Method:          |     

LETTER
Possible existence of bound nuclei beyond neutron drip lines driven by deformation
Xiao-Tao He, Chen Wang, Kai-Yuan Zhang, Cai-Wan Shen
2021, 45(10): 101001. doi: 10.1088/1674-1137/ac1b99
Abstract:
Based on the relativistic calculations of the nuclear masses in the transfermium region from No \begin{document}$ (Z = 102) $\end{document} to Ds \begin{document}$ (Z = 110) $\end{document} using the deformed relativistic Hartree-Bogoliubov theory in...
PARTICLES AND FIELDS
Measurements of the center-of-mass energies of {{\boldsymbol e^+}{\boldsymbol e^-}} collisions at BESIII
M. Ablikim, M. N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, R. Aliberti, A. Amoroso, M. R. An, Q. An, X. H. Bai, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino, Y. Ban, K. Begzsuren, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Bloms, A. Bortone, I. Boyko, R. A. Briere, H. Cai, X. Cai, A. Calcaterra, G. F. Cao, N. Cao, S. A. Cetin, J. F. Chang, W. L. Chang, G. Chelkov, D. Y. Chen, G. Chen, H. S. Chen, M. L. Chen, S. J. Chen, X. R. Chen, Y. B. Chen, Z. J. Chen, W. S. Cheng, G. Cibinetto, F. Cossio, X. F. Cui, H. L. Dai, X. C. Dai, A. Dbeyssi, R. E. de Boer, D. Dedovich, Z. Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L. Y. Dong, M. Y. Dong, X. Dong, S. X. Du, Y. L. Fan, J. Fang, S. S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C. Q. Feng, J. H. Feng, M. Fritsch, C. D. Fu, Y. Gao, Y. G. Gao, I. Garzia, P. T. Ge, C. Geng, E. M. Gersabeck, A Gilman, K. Goetzen, L. Gong, W. X. Gong, W. Gradl, M. Greco, L. M. Gu, M. H. Gu, Y. T. Gu, C. Y Gua
2021, 45(10): 103001. doi: 10.1088/1674-1137/ac1575
Abstract:
During the 2016-17 and 2018-19 running periods, the BESIII experiment collected 7.5 fb\begin{document}$ ^{-1} $\end{document} of \begin{document}$ e^+e^- $\end{document} collision data at center-of-mass energies ranging from 4.13 to 4.44 GeV. These d...
Searches for dark matter via charged Higgs pair production in the Inert Doublet Model at a γγ collider
Guo-He Yang, Mao Song, Gang Li, Yu Zhang, Jian-You Guo
2021, 45(10): 103101. doi: 10.1088/1674-1137/ac1577
Abstract:
The Inert Doublet Model (IDM) is one of the simplest extensions beyond the Standard Model (SM) with an extended scalar sector, which provides a scalar dark matter particle candidate. In this study, we investigated the double charged Higgs production ...
Some remarks on X(6900)
Qin-Fang Cao, Hao Chen, Hong-Rong Qi, Han-Qing Zheng
2021, 45(10): 103102. doi: 10.1088/1674-1137/ac0ee5
Abstract:
The analysis of the LHCb data on \begin{document}$X(6900)$\end{document} found in the di-\begin{document}$J/\psi$\end{document} system was performed using a momentum-dependent Flatté-like parameterization. The use of the pole counting rule and spectr...
Universality of entropy principle for a general diffeomorphism-covariant purely gravitational theory
Jie Jiang, Xiongjun Fang, Sijie Gao
2021, 45(10): 103103. doi: 10.1088/1674-1137/ac0f72
Abstract:
Thermodynamics plays an important role in gravitational theories. It is a principle that is independent of gravitational dynamics, and there is still no rigorous proof to show that it is consistent with the dynamical principle. We consider a self-gra...
Generalized Crewther relation and a novel demonstration of the scheme independence of commensurate scale relations up to all orders
Xu-Dong Huang, Xing-Gang Wu, Qing Yu, Xu-Chang Zheng, Jun Zeng, Jian-Ming Shen
2021, 45(10): 103104. doi: 10.1088/1674-1137/ac1934
Abstract:
In this study, we investigate in detail the generalized Crewther Relation (GCR) between the Adler function (D) and the Gross-Llewellyn Smith sum rules coefficient (\begin{document}$ C^{\rm{GLS}}$\end{document}) using the newly proposed single-scale a...
Entropic destruction of heavy quarkonium with hyperscaling violation
Ang Li, Zi-Qiang Zhang
2021, 45(10): 103105. doi: 10.1088/1674-1137/ac1ac4
Abstract:
We study the entropic destruction of heavy quarkonium in strongly coupled theories with an anisotropic scaling symmetry in time and a spatial direction. We consider Lifshitz and hyperscaling violation theories, which are covariant under a generalized...
Discovery potentials of double-charm tetraquarks
Qin Qin, Yin-Fa Shen, Fu-Sheng Yu
2021, 45(10): 103106. doi: 10.1088/1674-1137/ac1b97
Abstract:
In this study, we investigate the discovery potential of double-charm tetraquarks \begin{document}$ T^{\{cc\}}_{[\bar{q}\bar{q}']} $\end{document}. We find that their production cross sections at the LHCb with \begin{document}$ \sqrt{s} = 13 $\end{do...
NUCLEAR PHYSICS
Efficiency corrections for mutually inclusive variables and particle identification effect for mixed-cumulants in heavy-ion collisions
Arghya Chatterjee, Toshihiro Nonaka, ShinIchi Esumi, Xiaofeng Luo
2021, 45(10): 104001. doi: 10.1088/1674-1137/ac1100
Abstract:
Mix-cumulants of conserved charge distributions are sensitive observables for probing properties of the QCD medium and phase transition in heavy-ion collisions. To perform precise measurements, efficiency correction is one of the most important step....
The effect of single-particle space-momentum angle distribution on two-pion HBT correlation in relativistic heavy-ion collisions using a multiphase transport model
Hang Yang, Qichun Feng, Yanyv Ren, Jingbo Zhang, Lei Huo
2021, 45(10): 104102. doi: 10.1088/1674-1137/ac1856
Abstract:
Using the string melting version of a multiphase transport (AMPT) model, we analyze the transverse momentum dependence of the HBT radius \begin{document}$R_{\rm s}$\end{document} and the single-pion angle distribution on the transverse plane in centr...
Systematic study of two-proton radioactivity with a screened electrostatic barrier
You-Tian Zou, Xiao Pan, Xiao-Hua Li, Hong-Ming Liu, Xi-Jun Wu, Biao He
2021, 45(10): 104102. doi: 10.1088/1674-1137/ac1b96
Abstract:
In this study, a phenomenological model is proposed based on Wentzel-Kramers-Brillouin (WKB) theory and applied to investigate the two-proton (\begin{document}$2p$\end{document}) radioactive half-lives of nuclei near or beyond the proton drip line. T...
The sixth order cumulant of net-proton number in Binomial distribution at {\sqrt{{\boldsymbol s}_{\boldsymbol{NN}}}} = 200 GeV
Li-Zhu Chen, Ye-Yin Zhao, Jin Wu, Zhi-Ming Li, Yuan-Fang Wu
2021, 45(10): 104103. doi: 10.1088/1674-1137/ac1b98
Abstract:
It is proposed that ratios of the sixth order to the second order cumulant (\begin{document}$C_6/C_2$\end{document}) of conserved quantities are sensitive to the chiral crossover transition. Recently, the negative \begin{document}$C_6/C_2$\end{docume...
PARTICLE AND NUCLEAR ASTROPHYSICS AND COSMOLOGY
Kinemaitcs in spatially flat FLRW spacetimes
Ion I. Cotăescu
2021, 45(10): 105101. doi: 10.1088/1674-1137/ac1576
Abstract:
The kinematics on spatially flat FLRW spacetimes is presented for the first time in local charts with physical coordinates, i.e., the cosmic time and proper Cartesian space coordinates of Painlevé-type. It is shown that there exists a conserved momen...
Instability of a black hole with f (R) global monopole under extended uncertainty principle
Hongbo Cheng, Yue Zhong
2021, 45(10): 105102. doi: 10.1088/1674-1137/ac1668
Abstract:
We consider the evolution of a black hole involving an f(R) global monopole based on the Extended Uncertainty Principle (EUP). The black hole evolutions refer to the instability due to the Parikh-Kraus-Wilczeck tunneling radiation or fragmentation. I...
The possible equation of state of dark matter in low surface brightness galaxies
Xiaobo Gong, Meirong Tang, Zhaoyi Xu
2021, 45(10): 105103. doi: 10.1088/1674-1137/ac0f73
Abstract:
The observed rotation curves of low surface brightness (LSB) galaxies play an essential role in studying dark matter, and indicate the existence of a central constant density dark matter core. However, the cosmological N-body simulations of cold dark...
Constraining the cosmic ray propagation halo thickness using Fermi-LAT observations of high-latitude clouds
Yuhua Yao, Bing-Qiang Qiao, Wei Liu, Qiang Yuan, Hong-Bo Hu, Xiao-Jun Bi, Chao-Wen Yang, Yi-Qing Guo
2021, 45(10): 105104. doi: 10.1088/1674-1137/ac1064
Abstract:
The diffusive halo is a basic characteristic of cosmic ray (CR) propagation and can advance our understanding of many CR-related phenomena and indirect dark matter. The method used to derive the halo size often has degeneracy problems and is thus aff...
Strong constraints on Lorentz violation using new γ-ray observations around PeV
Liang Chen, Zheng Xiong, Cong Li, SongZhan Chen, HuiHai He
2021, 45(10): 105105. doi: 10.1088/1674-1137/ac1166
Abstract:
The tiny modification of dispersion relation induced by Lorentz violation (LV) is an essential topic in quantum gravity (QG) theories, which can be magnified into significant effects when dealing with astrophysical observations at high energies and l...
Dynamic phase transition of charged dilaton black holes
Jie-Xiong Mo, Shan-Quan Lan
2021, 45(10): 105106. doi: 10.1088/1674-1137/ac125f
Abstract:
The dynamic phase transition of charged dilaton black holes is investigated in this paper. The Gibbs free energy landscape is introduced, and the corresponding \begin{document}$G_{\rm L}$\end{document} is calculated for the dilaton black hole. We num...

ISSN 1674-1137 CN 11-5641/O4

Original research articles, Ietters and reviews Covering theory and experiments in the fieids of

  • Particle physics
  • Nuclear physics
  • Particle and nuclear astrophysics
  • Cosmology
Author benefits
News
Cover Story

Advertising

Advertising