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2024 Vol. 48, No. 2

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2024-2 Contents
2024, 48(2): 1-2.
Abstract:
PARTICLES AND FIELDS
Performance and calibration of quark/gluon-jet taggers using 140 fb−1 of pp collisions at s=13 TeV with the ATLAS detector
G. Aad, B. Abbott, K. Abeling, N.J. Abicht, S.H. Abidi, A. Aboulhorma, H. Abramowicz, H. Abreu, Y. Abulaiti, B.S. Acharya, C. Adam Bourdarios, L. Adamczyk, S.V. Addepalli, M.J. Addison, J. Adelman, A. Adiguzel, T. Adye, A.A. Affolder, Y. Afik, M.N. Agaras, J. Agarwala, A. Aggarwal, C. Agheorghiesei, A. Ahmad, F. Ahmadov, W.S. Ahmed, S. Ahuja, X. Ai, G. Aielli, A. Aikot, M. Ait Tamlihat, B. Aitbenchikh, I. Aizenberg, M. Akbiyik, T.P.A. Åkesson, A.V. Akimov, D. Akiyama, N.N. Akolkar, K. Al Khoury, G.L. Alberghi, J. Albert, P. Albicocco, G.L. Albouy, S. Alderweireldt, M. Aleksa, I.N. Aleksandrov, C. Alexa, T. Alexopoulos, F. Alfonsi, M. Algren, M. Alhroob, B. Ali, H.M.J. Ali, S. Ali, S.W. Alibocus, M. Aliev, G. Alimonti, W. Alkakhi, C. Allaire, B.M.M. Allbrooke, J.F. Allen, C.A. Allendes Flores, P.P. Allport, A. Aloisio, F. Alonso, C. Alpigiani, M. Alvarez Estevez, A. Alvarez Fernandez, M. Alves Cardoso, M.G. Alviggi, M. Aly, Y. Amaral Coutinho, A. Ambler, C. Amelung, M. Amerl, C.G. Ames, D. Amidei, S.P. Amor D
2024, 48(2): 023001. doi: 10.1088/1674-1137/acf701
Abstract:
The identification of jets originating from quarks and gluons, often referred to as quark/gluon tagging, plays an important role in various analyses performed at the Large Hadron Collider, as Standard Model measurements and searches for new particles...
U(1)Lμ-Lτ breaking phase transition, muon g–2, dark matter, collider, and gravitational wave
Jie Wang, Jinghong Ma, Jing Gao, Xiao-Fang Han, Lei Wang
2024, 48(2): 023101. doi: 10.1088/1674-1137/ad0f89
Abstract:
Combining the dark matter and muon \begin{document}$ g-2 $\end{document} anomaly, we study the \begin{document}$ U(1)_{L_\mu-L_\tau} $\end{document} breaking phase transition, gravitational wave spectra, and direct detection at the LHC in an extra \b...
Temperature and volume dependence of pion-pion scattering lengths
Qing-Wu Wang, Hua-Zhong Guo
2024, 48(2): 023102. doi: 10.1088/1674-1137/ad123f
Abstract:
The s-wave pion-pion scattering lengths \begin{document}$ a_0 $\end{document} and \begin{document}$ a_2 $\end{document} are studied at finite temperature and in finite spatial volume under the framework of the Nambu–Jona-Lasinio model. The behavior b...
Radiative decays D(s)D(s)γ in covariant confined quark model
C. T. Tran, M. A. Ivanov, P. Santorelli, Q. C. Vo
2024, 48(2): 023103. doi: 10.1088/1674-1137/ad102c
Abstract:
Radiative decays \begin{document}$ D^*_{(s)}\to D_{(s)}\gamma $\end{document} are revisited in light of new experimental data from the BaBar and BESIII Collaborations. The radiative couplings \begin{document}$ g_{D^*D\gamma} $\end{document} encoding ...
Observability of parameter space for charged Higgs boson in its bosonic decays in two Higgs doublet model Type-1
Ijaz Ahmed, Waqas Ahmad, M. S. Amjad, Jamil Muhammad
2024, 48(2): 023104. doi: 10.1088/1674-1137/ad13f8
Abstract:
This study explores the possibility of discovering \begin{document}$ H^{\pm} $\end{document} through its bosonic decays, i.e., \begin{document}$ H^{\pm}\rightarrow W^\pm\phi $\end{document} (where ϕ = h or A), within the Type-I two Higgs doublet mode...
Strong decay of Y(4230)J/ψf0(980) in light cone sum rules
Yiling Xie, Hao Sun
2024, 48(2): 023105. doi: 10.1088/1674-1137/ad13f9
Abstract:
In this study, we assign the tetraquark state for the \begin{document}$ Y(4230) $\end{document} resonance and investigate the mass and decay constant of \begin{document}$ Y(4230) $\end{document} in the framework of SVZ sum rules through a different c...
NUCLEAR PHYSICS
Investigation of 58Ni (n, p)58Co reaction cross-section with covariance analysis
Akash Hingu, S. Mukherjee, Siddharth Parashari, Arora Sangeeta, A. Gandhi, Mahima Upadhyay, Mahesh Choudhary, Sumit Bamal, Namrata Singh, G. Mishra, Sukanya De, Saurav Sood, Sajin Prasad, G. Saxena, Ajay Kumar, R.G. Thomas, B.K. Agrawal, K. Katovsky, A. Kumar
2024, 48(2): 024001. doi: 10.1088/1674-1137/ad0e5a
Abstract:
The excitation function of the \begin{document}$ {}^{58}{\rm{Ni}} (n, p){}^{58}{\rm {Co}} $\end{document} reaction was measured using the well-established neutron activation technique and γ-ray spectroscopy. Neutrons in the energy range of 1.7 to 2.7...
Photonuclear reactions on stable isotopes of selenium at bremsstrahlung end-point energies of 10−23 MeV
F.A. Rasulova, N.V. Aksenov, S.I. Alekseev, R.A. Aliev, S.S. Belyshev, I. Chuprakov, N.Yu. Fursova, A.S. Madumarov, J.H. Khushvaktov, A.A. Kuznetsov, B.S. Yuldashev
2024, 48(2): 024002. doi: 10.1088/1674-1137/ad11e4
Abstract:
In this study, experiments were performed at bremsstrahlung end-point energies of 10−23 MeV with the beam from the MT-25 microtron using the γ-activation technique. The experimental values of relative yields were compared with theoretical results obt...
From masses and radii of neutron stars to EOS of nuclear matter through neural network
Zehan Wu, Dehua Wen
2024, 48(2): 024101. doi: 10.1088/1674-1137/ad0e04
Abstract:
The equation of state (EOS) of dense nuclear matter is a key factor for determining the internal structure and properties of neutron stars. However, the EOS of high-density nuclear matter has great uncertainty, mainly because terrestrial nuclear expe...
Nuclear mass predictions based on a deep neural network and finite-range droplet model (2012)
To Chung Yiu, Haozhao Liang, Jenny Lee
2024, 48(2): 024102. doi: 10.1088/1674-1137/ad021c
Abstract:
A neural network with two hidden layers is developed for nuclear mass prediction, based on the finite-range droplet model (FRDM12). Different hyperparameters, including the number of hidden units, choice of activation functions, initializers, and lea...
Dynamics of 7Li breakup and its influence on elastic scattering: a study of 7Li + 144Sm system
A. Morzabayev, N. Amangeldi, Awad A. Ibraheem, D. Soldatkhan, G. Yergaliuly, B. Mauyey, Anuar. A. Orazalievna, Sh. Hamada
2024, 48(2): 024103. doi: 10.1088/1674-1137/ad1029
Abstract:
The angular distributions of 7Li + 144Sm elastic scattering over the energy range of 21.6–52 MeV are reanalyzed utilizing various interaction potentials. The analysis aims to study the consistency of the implemented potentials in representing the con...
Interaction of photons with silver and indium nuclei at energies up to 20 MeV
J. H. Khushvaktov, M. A. Demichev, D. L. Demin, S. A. Evseev, M. I. Gostkin, V. V. Kobets, F. A. Rasulova, S. V. Rozov, E. T. Ruziev, A. A. Solnyshkin, T. N. Tran, E. A. Yakushev, B. S. Yuldashev
2024, 48(2): 024104. doi: 10.1088/1674-1137/ad1028
Abstract:
The yields of photonuclear reactions in the 107Ag, 113In, and 115In nuclei were measured. Monte Carlo simulations were performed using the Geant4 code, and the results were compared with the experimental values. The isomeric ratios of the yields in t...
Analysis of data for γpf1(1285)p photoproduction
Ai-Chao Wang, Neng-Chang Wei, Fei Huang
2024, 48(2): 024105. doi: 10.1088/1674-1137/ad0f13
Abstract:
The photoproduction of the \begin{document}$ f_1(1285) $\end{document} meson off the proton target is investigated within an effective Lagrangian approach. The t-channel ρ- and ω-exchange diagrams, u-channel nucleon-exchange diagram, generalized cont...
Description of elastic scattering for 7Li-induced reactions on 1p-shell nuclei
Yong-Li Xu, Xin-Wu Su, Zhi-Hao Sun, Yin-Lu Han, Xiao-Jun Sun, Dong-Hong Zhang, Chong-Hai Cai
2024, 48(2): 024106. doi: 10.1088/1674-1137/ad1924
Abstract:
The experimental data of elastic scattering angular distributions for 9Be, 10B, 11B, 12C, 13C, 15N, and 16O targets from 4.5 to 131.8 MeV and 7Li target from 8.0 to 42.0 MeV are fitted to realize the global phenomenological optical potentials (GPOPs)...
PARTICLE AND NUCLEAR ASTROPHYSICS AND COSMOLOGY
Radiation properties of the accretion disk around a black hole in Einstein-Maxwell-scalar theory
Mirzabek Alloqulov, Sanjar Shaymatov, Bobomurat Ahmedov, Abdul Jawad
2024, 48(2): 025101. doi: 10.1088/1674-1137/ad137f
Abstract:
In this study, we explore the properties of a non-rotating black hole in the Einstein-Maxwell-scalar (EMS) theory and investigate the luminosity of the accretion disk surrounding it. We determine all the orbital parameters of particles in the accreti...
Cosmic implications of the 12C(n,γ)13C reaction: a nuclear astrophysical perspective
Soumya Saha
2024, 48(2): 025102. doi: 10.1088/1674-1137/ad102a
Abstract:
We conducted a comprehensive study of the neutron capture cross section of \begin{document}$ ^{12}\mathrm C $\end{document} within the relevant astrophysical energy range. Through rigorous R-matrix analysis, we determined the Maxwellian-averaged cros...
Impact of a nearby subhalo on the constraint of dark matter annihilation from cosmic ray antiprotons
Yi Zhao, Xiao-Jun Bi, Su-Jie Lin, Peng-Fei Yin
2024, 48(2): 025103. doi: 10.1088/1674-1137/ad13f7
Abstract:
Numerous simulations indicate that a large number of subhalos should be hosted by the Milky Way. The potential existence of a nearby subhalo could have important implications for our understanding of dark matter (DM) annihilation. In this study, we i...
Shadow and weak gravitational lensing for Ellis-Bronnikov wormhole
Mirzabek Alloqulov, Farruh Atamurotov, Ahmadjon Abdujabbarov, Bobomurat Ahmedov, Vokhid Khamidov
2024, 48(2): 025104. doi: 10.1088/1674-1137/ad1677
Abstract:
In this study, we investigated the gravitational weak lensing and shadow of the Ellis-Bronnikov wormhole. First, we studied the photon motion in a plasma medium and a wormhole shadow. It was shown that the radius of the photon sphere of the Ellis-Bro...

ISSN 1674-1137 CN 11-5641/O4

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

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  • Cosmology
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