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51. Pseudorapidity Distribution of Charged Particles and Square Speed of Sound Parameter in p-p or p-p- Collisions over an Energy Range from 0.053 to 7 TeV

Author: Ya-Qin Gao, Tian Tian, Li-Na Gao, and Fu-Hu Liu
Subjects: Physics, QC1-999
Abstract: Pseudorapidity distributions of charged particles produced in proton-proton (p-p) or proton-antiproton (p-p-) collisions over an energy range from 0.053 to 7 TeV are studied by using the four-component Landau hydrodynamic model. The results calculated by the model are in agreement with the experimental data of the UA5, PHOBOS, UA1, P238, CDF, ALICE, and CMS Collaborations which present orderly from low to high energies. According to the distribution widths of different components, the values and some features of square speed of sound parameter cs2 for “participant” and “spectator” quark components are obtained. It is shown that the speed of sound for “participant” quark components agrees approximately with that for “spectator” quark components in the error ranges. The present work is useful for studying nucleus-nucleus collisions in the related energy range.
Published: 2014
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52. Double-Differential Production Cross Sections of Charged Pions in Charged Pion Induced Nuclear Reactions at High Momentums

Author: Ya-Qin Gao, Tian Tian, S. Fakhraddin, Magda A. Rahim, and Fu-Hu Liu
Subjects: Physics, QC1-999
Abstract: The double-differential π± production cross sections in interactions of charged pions on targets at high momentums are analyzed by using a multicomponent Erlang distribution which is obtained in the framework of a multisource thermal model. The calculated results are compared and found to be in agreement with the experimental data at the incident momentums of 3, 5, 8, and 12 GeV/c measured by the HARP Collaboration. It is found that the source contributions to the mean momentum of charged particles and to the distribution width of particle momentums decrease with increase of the emission angle, and the source number and temperature do not show an obvious dependence on the emission angle of the considered particle.
Published: 2014
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53. Multiparticle Production in High Energy Collisions

Author: Fu-Hu Liu, Sakina Fakhraddin, and Bhartendu K. Singh
Subjects: Physics, QC1-999
Published: 2013
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54. Transverse Momentum Distributions of Final-State Particles Produced in Soft Excitation Process in High Energy Collisions

Author: Fu-Hu Liu, Ya-Hui Chen, Hua-Rong Wei, and Bao-Chun Li
Subjects: Physics, QC1-999
Abstract: Transverse momentum distributions of final-state particles produced in soft process in proton-proton (pp) and nucleus-nucleus (AA) collisions at Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) energies are studied by using a multisource thermal model. Each source in the model is treated as a relativistic and quantum ideal gas. Because the quantum effect can be neglected in investigation on the transverse momentum distribution in high energy collisions, we consider only the relativistic effect. The concerned distribution is finally described by the Boltzmann or two-component Boltzmann distribution. Our modeling results are in agreement with available experimental data.
Published: 2013
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55. On Antiproton Production in 158 GeV/c Proton-Carbon Collisions and Nuclear Temperature of Interacting System

Author: Fu-Hu Liu, Ya-Hui Chen, Ya-Qin Gao, and Hua-Rong Wei
Subjects: Physics, QC1-999
Abstract: The multisource thermal model is used in this paper to analyze the antiproton (p¯) production process in high-energy proton-carbon (p-C) collisions. The transverse momentum, Feynman variable, and rapidity distributions of antiprotons in the nucleon-nucleon center-of-mass system are calculated by using the model. The modeling results are compared and found to be in agreement with the experimental data measured by the NA49 Collaboration at 158 GeV/c beam momentum. As a parameter, the nuclear temperature of interacting system extracted from the antiproton spectrum is estimated to be about 150 MeV.
Published: 2013
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56. On Current Conversion between Particle Rapidity and Pseudorapidity Distributions in High Energy Collisions

Author: Fu-Hu Liu, Ya-Hui Chen, Ya-Qin Gao, and Er-Qin Wang
Subjects: Physics, QC1-999
Abstract: In high energy collisions, one usually needs to give a conversion between the particle rapidity and pseudorapidity distributions. Currently, two equivalent conversion formulas are used in experimental and theoretical analyses. An investigation in the present work shows that the two conversions are incomplete. Then, we give a revision on the current conversion between the particle rapidity and pseudorapidity distributions.
Published: 2013
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57. Comparing Two Different Initial Conditions AAMQS and Quartic Action in Illustrating the Effect of Valence Color Charges in High-Energy pA Collisions at Forward Rapidity

Author: Ye-Yin Zhao, Ya-Hui Chen, Ya-Qin Gao, and Fu-Hu Liu
Subjects: Physics, QC1-999
Abstract: The inclusive particle productions in proton-proton (pp) and deuton-gold (d+Au) collisions at forward rapidity at the Relativistic Heavy Ion Collider (RHIC) energy are studied in the framework of the color glass condensate (CGC) theory by using two different initial conditions: AAMQS (Albacete-Armesto-Milhano-Quiroga-Salgado) and quartic action. Then, the results obtained by the two different initial conditions in illustrating the effect of valence color charges in high-energy proton-nucleus (pA) collisions at forward energy are compared. Meanwhile, the inclusive particle productions in pA collisions at forward rapidity at the Large Hadron Collider (LHC) energies are predicted. The main dynamical input in our calculations is the use of solutions of the running coupling Balitsky-Kovchegov equation tested in electron-proton (ep) collision data. Particle production is computed via the hybrid formalisms to obtain spectra and yields. These baseline predictions are useful for testing the current understanding of the dynamics of very strong color fields against the upcoming LHC data.
Published: 2013
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58. Transverse Momentum, Centrality, and Participant Nucleon Number Dependence of Elliptic Flow

Author: Bao-Chun Li, Yuan-Yuan Fu, Li-Li Wang, and Fu-Hu Liu
Subjects: Physics, QC1-999
Abstract: In the combined framework of a multisource and participant-spectator model, we study the elliptic flow as a function of transverse momentum and number of participating nucleons in s N N = 200 GeV Au-Au and s N N = 2.76 TeV Pb-Pb collisions and argue that the geometry of the initial overlap region in the collisions determines the experimentally measured azimuthal asymmetries. Our results are approximately in agreement with the data from PHENIX and ALICE collaborations.
Published: 2013
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59. Speed of Sound Parameter from RHIC and LHC Heavy-Ion Data

Author: Li-Na Gao, Ya-Hui Chen, Hua-Rong Wei, and Fu-Hu Liu
Subjects: Physics, QC1-999
Abstract: In framework of combing the participant-spectator model and the Landau hydrodynamic model, the pseudorapidity distributions of charged particles produced in heavy-ion (or nucleus-nucleus) collisions at RHIC and LHC energies are described by a modified Landau hydrodynamic model, where the Landau hydrodynamic model is applied to the target/projectile spectators and the target/projectile participants, respectively. The modeling results are in agreement with the PHOBOS and ALICE experimental data. Then, the values of square speed of sound (cs2) for the participants and spectators can be obtained from the widths of charged particle pseudorapidity distributions. Some features of cs2 for different centralities and center-of-mass energies are obtained too.
Published: 2013
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60. Relativistic and Quantum Revisions of the Multisource Thermal Model in High-Energy Collisions

Author: Fu-Hu Liu, Cai-Xing Tian, Mai-Ying Duan, and Bao-Chun Li
Subjects: Physics, QC1-999
Abstract: The multisource thermal model is revised for relativistic and quantum situations. It is shown that the quantum effect can be neglected due to a very small result. The distributions of particle momenta, momentum components, transverse momenta, kinetic energies, and velocities in both the classical and relativistic situations are presented to give comparisons.
Published: 2012
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61. Effects of sequential decay on collective flows and nuclear stopping power in heavy-ion collisions at intermediate energies

Author: Kui Xiao, Peng-Cheng Li, Yong-Jia Wang, Fu-Hu Liu, and Qing-Feng Li
Subjects: Nuclear Theory (nucl-th), Nuclear and High Energy Physics, Nuclear Energy and Engineering, Nuclear Theory, FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract: In this study, the rapidity distribution, collective flows, and nuclear stopping power in $^{197}\mathrm{Au}+^{197}\mathrm{Au}$ collisions at intermediate energies were investigated using the ultrarelativistic quantum molecular dynamics (UrQMD) model with GEMINI++ code. The UrQMD model was adopted to simulate the dynamic evolution of heavy-ion collisions, whereas the GEMINI++ code was used to simulate the decay of primary fragments produced by UrQMD. The calculated results were compared with the INDRA and FOPI experimental data. It was found that the rapidity distribution, collective flows, and nuclear stopping power were affected to a certain extent by the decay of primary fragments, especially at lower beam energies. Furthermore, the experimental data of the collective flows and nuclear stopping power at the investigated beam energies were better reproduced when the sequential decay effect was included., 9 pages, 8 figures, accepted by Nucl.Sci.Tech
Published: 2023

62. Correlations among parameters of the Tsallis distribution and Hagedorn function with embedded transverse flow in proton–proton collisions at (s)1/2 = 7 and 13 TeV

Author: Khusniddin K. Olimov, Igor A. Lebedev, Anastasiya I. Fedosimova, Fu-Hu Liu, Elena Dmitriyeva, Kobil A. Musaev, Kosim Olimov, and Bekhzod S. Yuldashev
Subjects: Fluid Flow and Transfer Processes, General Physics and Astronomy
Published: 2023

63. Particle species and energy dependencies of freeze-out parameters in high-energy proton–proton collisions

Author: Muhammad Waqas, Guang Xiong Peng, Fu-Hu Liu, Muhammad Ajaz, Abd Al Karim Haj Ismail, Khusniddin K. Olimov, and Abdel Nasser Tawfik
Subjects: Nuclear Theory (nucl-th), Fluid Flow and Transfer Processes, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Nuclear Theory, FOS: Physical sciences, General Physics and Astronomy
Abstract: We used blast wave model with Tsallis statistics to analyze the experimental data measured by ALICE Collaboration in proton-proton collisions at Large Hadron Collider and extracted the related parameters (kinetic freeze-out temperature, transverse flow velocity and kinetic freeze-out volume of emission source) from transverse momentum spectra of the particles. We found that the kinetic freeze-out temperature and kinetic freeze-out volume are mass dependent. The former increase while the latter decrease with the particle mass which is the evidence of a mass as well as volume differential kinetic freeze-out scenario. Furthermore we extracted the mean transverse momentum and initial temperature by an indirect method and observed that they increase with mass of the particles. All the above discussed parameters are observed to increase with energy. Triton ($t$), hyper-triton (${^3_{\bar\Lambda} H}$) and helion (${^3 He}$) and their anti-matter are observed to freeze-out at the same time due to isospin symmetry., Comment: 13 pages, 5 figures, 1 table
Published: 2022

64. Study of midrapidity pt distributions of identified charged particles in Xe+Xe collisions at (snn)1/2 = 5.44TeV using non-extensive Tsallis statistics with transverse flow

Author: Khusniddin K. Olimov, Fu-Hu Liu, Kobil A. Musaev, Kosim Olimov, Maratbek Z. Shodmonov, Anastasiya I. Fedosimova, Igor A. Lebedev, Shakhnoza Z. Kanokova, Boburbek J. Tukhtaev, and Bekhzod S. Yuldashev
Subjects: Nuclear and High Energy Physics, General Physics and Astronomy, Astronomy and Astrophysics
Abstract: The midrapidity transverse momentum [Formula: see text] distributions of the charged pions and kaons, protons, and antiprotons, measured by ALICE Collaboration at nine centrality groups of Xe[Formula: see text]Xe collisions at [Formula: see text], have been reproduced quite well using simultaneous (combined) minimum [Formula: see text] fits with the simple (non-consistent) as well as thermodynamically consistent Tsallis function with included transverse flow. The parameters [Formula: see text], [Formula: see text], and [Formula: see text] extracted in this work using both consistent and non-consistent Tsallis function with included transverse flow demonstrate the similar dependencies on collision centrality [Formula: see text]. The obtained non-extensivity parameter [Formula: see text] values decrease systematically for all studied particle species with increasing Xe[Formula: see text]Xe collision centrality, indicating an increase in degree of system thermalization with increasing centrality of heavy-ion collisions. The average transverse flow velocity demonstrates significantly different growth rates in regions [Formula: see text] and [Formula: see text], and parameter [Formula: see text] stays constant within uncertainties in [Formula: see text] range in Xe[Formula: see text]Xe collisions at [Formula: see text]. It is argued that [Formula: see text] could possibly be a threshold border value for a crossover transition from a dense hadronic state to the QGP phase (or mixed phase of QGP and hadrons) in Xe[Formula: see text]Xe collisions at [Formula: see text]. Depletion (enhancement) of [Formula: see text] ratio at low [Formula: see text] (intermediate [Formula: see text]) has been observed in this work in Xe[Formula: see text]Xe collisions at [Formula: see text], which agrees with the similar results of ALICE Collaboration obtained recently in high-energy Xe[Formula: see text]Xe and [Formula: see text] collisions at the LHC. Analyzing and reflecting the extracted [Formula: see text] versus [Formula: see text] and [Formula: see text] versus [Formula: see text] dependencies, we have verified that the depletion (enhancement) of baryon-to-meson ratio at low [Formula: see text] (intermediate [Formula: see text]) values with increasing [Formula: see text] is due to radial flow effects.
Published: 2022

65. A New Description of Transverse Momentum Spectra of Identified Particles Produced in Proton-Proton Collisions at High Energies

Author: Raghunath Sahoo, Fu-Hu Liu, and Pei-Pin Yang
Subjects: Quark, Nuclear and High Energy Physics, Nuclear Theory, Article Subject, Proton, QC1-999, Hadron, FOS: Physical sciences, 01 natural sciences, Spectral line, High Energy Physics - Experiment, Convolution, Nuclear Theory (nucl-th), Nuclear physics, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment, 010306 general physics, Physics, 010308 nuclear & particles physics, Projectile, High Energy Physics::Phenomenology, Quark model, High Energy Physics - Phenomenology, High Energy Physics::Experiment, Lepton
Abstract: The transverse momentum spectra of identified particles produced in high energy proton-proton ($p+p$) collisions are empirically described by a new method with the framework of participant quark model or the multisource model at the quark level, in which the source itself is exactly the participant quark. Each participant (constituent) quark contributes to the transverse momentum spectrum, which is described by the TP-like function, a revised Tsallis--Pareto-type function. The transverse momentum spectrum of the hadron is the convolution of two or more TP-like functions. For a lepton, the transverse momentum spectrum is the convolution of two TP-like functions due to two participant quarks, e.g. projectile and target quarks, taking part in the collisions. A discussed theoretical approach seems to describe the $p+p$ collisions data at center-of-mass energy $\sqrt{s}=200$ GeV, 2.76 TeV, and 13 TeV very well., Comment: 19 pages, 7 figures. Advances in High Energy Physics, accepted
Published: 2020

66. Investigation of the freeze-out parameters in B-B, O-O, Ca-Ca and Au-Au collisions at 39 GeV

Author: Muhammad Waqas, Guang Xiong Peng, Fu-Hu Liu, Muhammad Ajaz, and Abd Al Karim Haj Ismail
Subjects: Fluid Flow and Transfer Processes, Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Nuclear Theory, General Physics and Astronomy, FOS: Physical sciences
Abstract: We analyzed the transverse momentum spectra of proton, deuteron and triton in Boron-Boron (B-B), Oxygen-Oxygen (O-O), and Calcium-Calcium (Ca-Ca) central collisions, as well as in several centrality bins in Gold-Gold (Au-Au) collisions at 39 GeV by using the blast wave model with Tsallis statistics. The bulk properties in terms of kinetic freeze-out temperature, transverse flow velocity and kinetic freeze-out volume are extracted from the model by the least square method. We observed that with increasing the rest mass of the particle, the kinetic freeze-out temperature becomes larger, while transverse flow velocity and the kinetic freeze-out volume reduces. These parameters are also found to depend on the size of the system. Larger the size of the system, the larger they are. Furthermore, the kinetic freeze-out temperature in peripheral Au-Au collisions is close to the central O-O collisions. We also observed that the above parameters depend on the centrality, and they decrease from central to peripheral collisions. Besides, we also extracted the entropy-index parameter $q$, and the parameter $N_0$ which shows the multiplicity. Both of them depend on the size of interacting the system, rest mass of the particle and centrality. Both $q$ and $N_0$ are larger for lighter particles, and the former is smaller for large systems while the latter is larger, and the former decrease with increasing centrality while the latter increase., Comment: 14 pages, 7 figures
Published: 2022
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67. Precise measurements of branching fractions for D s + $$ {\mathrm{D}}_{\mathrm{s}}^{+} $$ meson decays to two pseudoscalar mesons

Author: J. Y. Liu, F. Li, J. F. Sun, F. C. Ma, Y. H. Xie, Y. Schelhaas, S. Marcello, Y. Zeng, Zhe Sun, M. Maggiora, Q. An, S. Lusso, I. Uman, Ling Zhao, T. Sun, Z. Ning, S. Y. Xiao, X. Liu, Lei Zhao, Z. L. Hou, Q. Q. Song, X. H. Xie, J. F. Qiu, L. Fava, Zhi Yang, H.R. Qi, Serkant Ali Cetin, S. Jaeger, P. Larin, Xiaofeng Zhu, J. Z. Zhang, J. J. Song, L. Sun, I. B. Nikolaev, Y. H. Zheng, Cong-Feng Qiao, Shuangli Yang, X. N. Ma, Y. Fu, X. Wang, Jinfei Wu, N. Yu. Muchnoi, Y. H. Zhang, Z. Y. Wang, Yi Chen, Y. B. Zhao, G. Y. Tang, M. Fritsch, Huanhuan Liu, G. Felici, M. Bertani, C. Z. Yuan, N. Cao, X. C. Dai, Lei Zhang, C. W. Wang, G. Rong, M. Kuemmel, Matthew Glenn Kurth, Y. C. Zhu, W. Shan, Jie Zhao, Muhammad Irshad, Jianhao Zhang, J. Dong, L. Yang, H. M. Hu, X. F. Cui, M. Kavatsyuk, H. C. Shi, S. Qian, Jialun Ping, Ke Liu, X. Y. Zhang, C. J. Tang, Y. Hu, H. B. Jiang, W. Imoehl, Xi Yuan, G. Yu, Y. P. Lu, Jiawei Zhang, X. L. Wang, S. Nisar, A. Calcaterra, Z. G. Zhao, F. A. Harris, W. L. Chang, B. X. Zhang, L. Z. Liao, Evelina Gersabeck, Z. A. Liu, T. Held, F. Nerling, J. B. Liu, X. H. Li, L. Wollenberg, Y. J. Sun, Yifan Yang, Ke Wang, W. Y. Sun, Y. Wang, W. Gradl, H. Leithoff, H. J. Li, P. W. Luo, W. J. Zhu, X. D. Shi, W. P. Wang, H. H. Zhang, S. Ahmed, Y. X. Yang, Xiao-Rui Lyu, Zhiqing Liu, Z. H. Qin, Guangshun Huang, J. Libby, Yaquan Fang, Zongyuan Wang, M. Lellmann, L. Q. Qin, M. Kuessner, T. Y. Qi, H. Qi, X D Shi, J. F. Chang, D. Y. Liu, J. B. Jiao, Y. J. Mao, H. X. Yang, D. Y. Wang, S. Maldaner, Y. G. Gao, J. Zhu, J. Q. Li, A. Q. Guo, A. Pitka, John Jake Lane, L. K. Li, F. Weidner, Q. Ouyang, Y. P. Guo, M. Himmelreich, V. Rodin, B. L. Wang, Q. Zhao, Y. Z. Sun, S. S. Fang, C. Y. Guan, Yao Wang, S. H. Zhu, J. Tang, O. B. Kolcu, T. Yu, H. Y. Zhang, Haiwen Liu, B. Kopf, B. C. Ke, R. S. Shi, M. Albrecht, K. Schoenning, Y. Gao, B. S. Zou, X. B. Ji, Y. B. Liu, K. L. He, P. Patteri, S. Y. Li, R. B. de Boer, Xiang Zhou, I. K. Keshk, Patrik Adlarson, J. H. Yin, J. Bloms, Huihui Liu, Chong-Xing Yue, Ziyi Wang, X. Cai, M. X. Luo, Dylan Jaide White, L. Lavezzi, X. K. Zhou, Yunlong Zhang, C. X. Lin, B. Q. Wang, M. Shao, Y. T. Gu, Zujian Wang, D. Bettoni, Y. Bai, M. Z. Wang, Niklaus Berger, Q. A. Malik, G. Mezzadri, Hao Liang, X. L. Luo, J. G. Messchendorp, D. V. Dedovich, R. Kliemt, Jimin Zhao, Q. Liu, A. Mangoni, A. Guskov, Z. J. Xiao, M. Rump, Gang Zhao, S. Nakhoul, Jie Yu, J. P. Dai, K. Begzsuren, L. Koch, A. Khoukaz, R. Poling, G. F. Chen, P. L. Li, J. Y. Zhang, M. N. Achasov, F. Bianchi, B. T. Tsednee, Jianping Zheng, Minglin Ma, X. Q. Hao, Yan Zhang, K. J. Zhu, L. L. Ma, Wenbin Qian, R. Farinelli, L. Gong, L. Yan, M. Qi, F. Feldbauer, P. R. Li, R. Baldini Ferroli, X. L. Ji, Y. M. Ma, Z. P. Mao, H. J. Yang, G. Cibinetto, R. Kappert, X. Y. Jiang, T. J. Min, W. H. Wang, Stephen Lars Olsen, K. Y. Liu, I. Garzia, G. A. Chelkov, C. Li, A. Sarantsev, D. H. Wei, Feng Liu, H. L. Ma, T. Lenz, D. M. Li, J. S. Lange, Xu Yan, W. G. Li, S. Malde, Y. X. Zhao Zhao, Bingxuan Liu, G. Wilkinson, A. Amoroso, Y. K. Sun, W. S. Cheng, J. Fang, Z. Huang, Yao Zhang, G. Li, A. Gilman, X. L. Lu, M. Ablikim, R. T. Ma, M. Destefanis, Z. Y. Yuan, X. S. Kang, Hong Wang, H. B. Li, Q. P. Ji, S. Spataro, X. P. Xu, X. F. Wang, M. Pelizaeus, Y. X. Song, C. D. Fu, A. G. Denig, C. Q. Feng, C. L. Luo, X. R. Chen, Q. Zhou, Z. Y. Deng, A. Dbeyssi, A. Yuncu, Y. G. Xie, Lei Li, Ch. Rosner, T. Liu, J. L. Li, G. F. Xu, Xingguo Li, Li Zhou, L. Liu, B. Zhong, L. B. Guo, Y. Zhang, S. B. Liu, D. C. Shan, G. X. Sun, J. V. Bennett, H. Xiao, Ziyuan Li, M. G. Zhao, Y. H. Yang, S. F. Zhang, X. X. Ma, W. M. Song, M. Rolo, S. X. Du, Angelo Rivetti, Y. R. Hou, Haiping Peng, Tao Luo, G. F. Cao, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, W. Yuan, Tao Zhang, H. J. Lu, J. G. Lu, Anita, S. Gu, T. T. Han, Jia-Shu Lu, F. De Mori, X. H. Mo, R. X. Yang, M. H. Ye, S. J. Zhao, Magnus Wolke, F. Cossio, T. Z. Han, Y. F. Liang, Meng Wang, Ruiting Ma, Z. Jiao, Fu-Hu Liu, Z. Qian, B. X. Yu, Q. J. Xu, Xu Shan, F. E. Maas, T. Hu, A. Bortone, Xuanhong Lou, Viktor Thorén, Nasser Kalantar-Nayestanaki, X. L. Gao, H. S. Chen, Yue Pan, O. Bakina, H. L. Dai, Igor Boyko, C. Dong, S. Sosio, L. L. Wang, H. Cai, P. X. Shen, Z. Wu, Joachim Pettersson, L. Q. Huang, Q. M. Ma, Andrzej Kupsc, Zhiqing Zhang, M. L. Chen, Y. Yuan, F. X. Lu, Shan Jin, K. Goetzen, Jacek Biernat, Yi Zhang, S. Zhang, L. Y. Dong, C. X. Liu, Y. F. Wang, J. Zhao, T. Hussain, X. Y. Ma, W. X. Gong, A. Pathak, Wei Li, Y. K. Heng, C. Zhong, J. Q. Zhang, Jianyu Zhang, C. F. Redmer, J. F. Hu, C. Schnier, Y. Q. Wang, Lingxuan Zhang, Y. X. Tan, Zhiyong Zhang, A. Zhemchugov, X. T. Huang, Z. X. Meng, X. A. Xiong, X. P. Qin, A. A. Zafar, Y. F. Long, K. Ravindran, M. Greco, K. H. Rashid, Klaus Peters, Y. T. Liang, S. J. Chen, V. Prasad, S. Han, X. Pan, L. H. Wu, M. Savrie, Yi Jin, Y. Ban, P. Weidenkaff, L. Xia, F. H. Heinsius, Y. J. Xiao, S. Janchiv, Y. Nefedov, S. P. Wen, R. P. Guo, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, Tord Johansson, X. R. Zhou, L. M. Gu, P. Kiese, Cheng Li, R. A. Briere, X. S. Jiang, Wei Xu, J. L. Zhang, F. F. Sui, M. H. Gu, R. Kiuchi, C. X. Yu, B. Zheng, R. G. Ping, I. Balossino, Fang Liu, I. Denysenko, L. J. Wu, X. Wu, Y. J. Mo, Shuai Liu, J. J. Xu, Guangyi Zhang, X. Y. Shen, W. B. Yan, Y. Ding, B. J. Liu, T. Y. Xing, D. Y. Chen, W. Kühn, Z. Y. You, Z. A. Zhu, W. C. Yan, S. Pacetti, C. H. Li, C. P. Shen, N. Huesken, Y. H. Tan, Ke Li, M. Y. Dong, H. B. Liu, J. H. Zou, S. S. Sun, X. S. Qin, R. E. Mitchell, and T. Holtmann
Subjects: Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Branching fraction, e +-e − Experiments, 01 natural sciences, Pseudoscalar, Crystallography, 0103 physical sciences, lcsh:QC770-798, ddc:530, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, 010306 general physics, Charm physics
Abstract: Journal of high energy physics 2020(8), 146 (2020). doi:10.1007/JHEP08(2020)146, Published by SISSA, [Trieste]
Published: 2020

68. Excitation Functions of Related Parameters from Transverse Momentum (Mass) Spectra in High-Energy Collisions

Author: Altaf Mujear, Fu-Hu Liu, Li-Li Li, Muhammad Waqas, and Rasha Al-Yusufi
Subjects: Nuclear and High Energy Physics, Article Subject, Nuclear Theory, QC1-999, FOS: Physical sciences, Kinetic energy, High Energy Physics - Experiment, Nuclear Theory (nucl-th), Nuclear physics, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Pion, Rapidity, Nuclear Experiment (nucl-ex), Nuclear Experiment, Excitation function, Physics, Large Hadron Collider, High Energy Physics - Phenomenology, Antiproton, High Energy Physics::Experiment, Relativistic Heavy Ion Collider, Excitation
Abstract: Transverse momentum (mass) spectra of positively and negatively charged pions, positively and negatively charged kaons, protons and antiprotons produced at mid-(pseudo)rapidity in various collisions at high energies are analyzed in this work. The experimental data measured in central gold-gold, central lead-lead, and inelastic proton-proton collisions by several international collaborations are studied. The (two-component) standard distribution is used to fit the data and extract the excitation function of effective temperature. Then, the excitation functions of kinetic freeze-out temperature, transverse flow velocity, and initial temperature are obtained. In the considered collisions, the four parameters increase with the increase of collision energy in general, and the kinetic freeze-out temperature appears the trend of saturation at the top Relativistic Heavy Ion Collider and the Large Hadron Collider., Comment: 20 pages, 6 figures. Advances in High Energy Physics, accepted
Published: 2020

69. Kinetic Freeze-Out Properties from Transverse Momentum Spectra of Pions in High Energy Proton-Proton Collisions

Author: Fu-Hu Liu and Li-Li Li
Subjects: Nuclear Theory, Proton, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, excitation function of kinetic freeze-out temperature, Kinetic energy, 01 natural sciences, High Energy Physics - Experiment, Nuclear Theory (nucl-th), Nuclear physics, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Pion, 0103 physical sciences, Rapidity, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Physics, Range (particle radiation), proton–proton collisions, excitation function of transverse flow velocity, 010308 nuclear & particles physics, Boltzmann distribution, lcsh:QC1-999, High Energy Physics - Phenomenology, TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES, Tsallis distribution, Computer Science::Programming Languages, High Energy Physics::Experiment, Excitation, lcsh:Physics
Abstract: Transverse momentum spectra of negative and positive pions produced at mid-(pseudo)rapidity in inelastic or non-single-diffractive proton-proton collisions over a center-of-mass energy, s , range from a few GeV to above 10 TeV are analyzed by the blast-wave fit with Boltzmann (Tsallis) distribution. The blast-wave fit results are well fitting to the experimental data measured by several collaborations. In a particular superposition with Hagedorn function, both the excitation functions of kinetic freeze-out temperature ( T 0 ) of emission source and transverse flow velocity ( &beta, T ) of produced particles obtained from a given selection in the blast-wave fit with Boltzmann distribution have a hill at s &asymp, 10 GeV, a drop at dozens of GeV, and then an increase from dozens of GeV to above 10 TeV. However, both the excitation functions of T 0 and &beta, T obtained in the blast-wave fit with Tsallis distribution do not show such a complex structure, but a very low hill. In another selection for the parameters or in the superposition with the usual step function, T 0 and &beta, T increase generally quickly from a few GeV to about 10 GeV and then slightly at above 10 GeV, there is no such the complex structure, when also studying nucleus-nucleus collisions.
Published: 2020

70. Measurement of the Absolute Branching Fraction of Ds+→τ+ντ via τ+→e+νeν¯τ

Author: J. H. Yin, Lei Zhang, M. Shao, Y. T. Gu, C. X. Yue, R. Farinelli, Stephen Lars Olsen, J. F. Sun, B. Wang, Tao Luo, H. L. Ma, T. Lenz, D. M. Li, S. Marcello, W. G. Li, Libo Zhang, Y. K. Sun, J. Zhang, Z. Huang, Zhe Sun, A. Sarantsev, D. H. Wei, J. S. Lange, G. Wilkinson, W. S. Cheng, Yao Zhang, G. Li, M. Kavatsyuk, H. C. Shi, B. X. Yu, X. H. Xie, X. Wang, F. De Mori, Q. P. Ji, S. Spataro, X. P. Xu, Z. Y. Yuan, H. Li, Y. B. Chen, J. Z. Zhang, J. L. Liu, B. X. Zhang, Shulei Zhang, H. S. Chen, H. S. Sang, J. J. Song, L. Sun, V. Prasad, Meng Wang, L. H. Wu, Lei Li, C. D. Fu, C. Q. Feng, X. R. Chen, G. F. Cao, X. Y. Zhou, Yi Jin, M. Pelizaeus, Y. L. Fan, H. L. Dai, Igor Boyko, C. W. Wang, G. Rong, Q. M. Ma, Z. Y. Deng, W. P. Wang, Z. H. Qin, H. Qi, I. Uman, Y. C. Zhu, L. Xia, S. Janchiv, A. Calcaterra, Z. G. Zhao, C. Zhong, L. Z. Liao, F. Feldbauer, Feng Liu, M. Ablikim, Xiaoyu Li, Krisztian Peters, Y. Yuan, Xingguo Li, P. W. Luo, X D Shi, Y. J. Mao, H. X. Yang, Jianyu Zhang, X. H. Mo, L. Koch, A. Khoukaz, S. L. Yang, X. Sun, G. R. Liao, Q. Liu, L. K. Li, H. Liang, Huihui Liu, J. G. Messchendorp, T. Held, C. F. Redmer, J. D. Lu, C. Schnier, Y. Q. Wang, M. H. Ye, L. L. Wang, H. Cai, M. Qi, T. Holtmann, L. Lavezzi, J. Y. Liu, Y. Y. Wang, K. Ravindran, M. Greco, Jie Feng, R. Baldini Ferroli, A. Gilman, Y. C. Xu, C. Li, S. Malde, M. Z. Wang, H. J. Yang, L. L. Ma, A. Amoroso, V. Rodin, X. B. Ji, Y. T. Tian, S. Nakhoul, M. Fritsch, C. H. Heinz, X. T. Huang, L. Q. Huang, D. Y. Liu, J. B. Jiao, N. Hüsken, X. L. Luo, S. Maldaner, J. X. Teng, Tong Zhu, M. Albrecht, Yi Zhang, M. Kuemmel, Matthew Glenn Kurth, P. Patteri, A. Dbeyssi, W. D. Li, K. Y. Liu, M. Lellmann, K. Begzsuren, M. Q. Jing, Haiping Peng, H. Y. Zhang, Jianhao Zhang, Xiao-Rui Lyu, Z. X. Meng, R. P. Guo, S. Q. Qu, W. Shan, X. H. Bai, Angelo Rivetti, C. H. Li, S. Jaeger, M. G. Zhao, W. Ikegami Andersson, X. F. Cui, Xujin Yuan, Y. Ban, F. Bianchi, X. X. Ma, J. Zhu, R. Kliemt, Ke Wang, X. F. Wang, A. A. Zafar, P. Larin, Li Yuan, X. L. Lu, F. H. Heinsius, L. Y. Dong, Christoph Herold, S. B. Liu, G. Y. Hou, L. Zhang, C. Dong, S. Sosio, Y. Nefedov, A. Mangoni, G. Mezzadri, A. Guskov, Jie Yu, W. B. Yan, K. H. Rashid, T. T. Han, S. J. Zhao, Y. F. Wang, J. Zhao, M. X. Luo, Dylan Jaide White, S. P. Wen, K. X. Su, Y. G. Gao, Evelina Gersabeck, K. J. Zhu, D. V. Dedovich, Feng Yan, G. Cibinetto, Y. T. Liang, M. R. An, W. H. Wang, X. R. Zhou, L. M. Gu, D. C. Shan, F. Nerling, Q. J. Xu, X. D. Zhang, X. D. Shi, S. J. Chen, T. Hussain, Cheng Li, X. Y. Ma, J. Q. Li, A. Q. Guo, Wen-Zhao Liu, W. X. Gong, H. F. Shen, A. Bortone, Xuanhong Lou, Viktor Thorén, Zongyuan Wang, Nasser Kalantar-Nayestanaki, M. N. Achasov, A. Pathak, J. F. Shangguan, Jiaming Li, P. R. Li, Muhammad Irshad, Z. P. Mao, B. Kopf, W. Y. Han, Yue Pan, S. Ahmed, H. B. Li, Y. D. Wang, G. Y. Tang, Z. H. Lei, F. Weidner, K. L. He, I. Balossino, Ziyi Wang, M. Himmelreich, Y. X. Yang, P. T. Ge, A. G. Denig, J. Bloms, C. L. Luo, J. L. Zhang, F. F. Sui, Q. Zhou, M. H. Gu, R. Kiuchi, Joachim Pettersson, Y. Schelhaas, Jimin Zhao, T. Y. Qi, Haiwen Liu, B. Zhong, L. B. Guo, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, P. Kiese, Yuan Hou, Q. Ouyang, S. S. Fang, C. Y. Guan, M. Bertani, X. P. Qin, Y. B. Liu, Z. J. Chen, C. X. Yu, Jie Zhao, G. F. Chen, R. A. Briere, Alexey Zhemchugov, H. M. Hu, Huimin Wang, Q. Zhao, X. Liu, J. Y. Zhang, X. S. Jiang, S. Pacetti, Y. H. Tan, W. H. Tian, J. Fang, Y. Z. Sun, Ch. Rosner, Huanhuan Liu, B. Zheng, R. G. Ping, X. L. Ji, Y Zeng, H. J. Lu, J. G. Lu, Yanping Huang, G. Felici, Xiang Zhou, F. A. Harris, W. L. Chang, Ke Li, H. B. Jiang, Xiangcheng Pan, Jiawei Zhang, I. K. Keshk, J. Libby, Yaquan Fang, L. Yang, Yongsheng Gao, R. Aliberti, M. Y. Dong, Y. K. Heng, C. X. Lin, Wei Xu, Xu Shan, H. Leithoff, J. L. Li, Serkant Ali Cetin, P. Adlarson, F. E. Maas, W. Gradl, T. Hu, Y. H. Zheng, M. Rump, Gang Zhao, Y. X. Song, X. S. Kang, F. Li, John Jake Lane, A. Lavania, H. B. Liu, H. H. Zhang, M. M. Ma, Peilian Liu, O. Bakina, A. Yuncu, D. Y. Wang, M. Rolo, L. Q. Qin, F. C. Ma, X. H. Li, H. K. Sun, Y. X. Tan, Guoqiang Yu, L. Wollenberg, K. Schoenning, Zhiyong Zhang, M. Scodeggio, S. Qian, Q. An, Jialun Ping, Y. G. Xie, Xingchao Dai, B. S. Zou, J. H. Zou, X. Y. Zhang, Li Zhou, P. X. Shen, Y. Zhang, X. L. Wang, G. X. Sun, H. Xiao, Ziyuan Li, Niklaus Berger, J. B. Liu, W. M. Song, Y. Y. Ji, F. Cossio, Ruiting Ma, Y. P. Guo, Y. J. Sun, Yifan Yang, S. X. Du, Z. Wu, S. H. Zhu, S. S. Sun, Z. Jiao, Fu-Hu Liu, Z. Qian, T. Yu, X. K. Zhou, Zhiqing Zhang, Y. B. Zhao, Y. P. Lu, P. P. Su, T. Liu, J. F. Qiu, J. Dong, H. J. Li, J. Tang, F. X. Lu, Yunlong Zhang, M. H. Liu, L. Fava, Zhi Yang, D. Bettoni, Wenbin Qian, S. Nisar, C. J. Tang, Y. Hu, Zhiqing Liu, R. Poling, Jianping Zheng, Z. A. Liu, X. S. Qin, R. E. Mitchell, T. J. Min, I. Garzia, C. Geng, T. Johansson, J. J. Zhang, J. F. Chang, Fang Liu, M. Destefanis, R. S. Shi, I. Denysenko, Zujian Wang, Y. Bai, Shuai Liu, Guangyi Zhang, O. B. Kolcu, H. R. Qi, Yu-Xiao Liu, X. Cai, X. Q. Hao, Yan Zhang, Jiangqiao Hu, Z. Ning, S. Y. Xiao, L. Yan, Cong-Feng Qiao, N. Yu. Muchnoi, Y. H. Zhang, L. D. Liu, W. J. Zhu, Jinfei Wu, Z. Y. Wang, W. Imoehl, C. X. Liu, Xu Yan, R. T. Ma, Y. Ding, B. J. Liu, T. Y. Xing, D. Y. Chen, W. Kühn, Z. Y. You, Z. A. Zhu, W. C. Yan, C. P. Shen, L. J. Wu, X. Wu, S. F. Zhang, Y. J. Mo, R. Kappert, G. F. Xu, X. Y. Shen, S. Gu, L. Gong, K. H. Qi, Shan Jin, K. Goetzen, B. C. Ke, Z. J. Xiao, A. Q. Zhang, S. Zhang, H.J. Wang, Y. X. Zhao, Y. H. Xie, M. Maggiora, Ling Zhao, Lei Zhao, Z. L. Hou, Magnus Wolke, Y. F. Liang, R. E. de Boer, W. Y. Sun, Andrzej Kupsc, C. Z. Yuan, N. Cao, M. L. Chen, Si Li, Guangshun Huang, M. Kuessner, Tao Sun, X. Dong, G. A. Chelkov, and I. B. Nikolaev
Subjects: Quantum chromodynamics, Physics, Crystallography, Annihilation, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, Lattice (group), General Physics and Astronomy, 010306 general physics, 01 natural sciences, Lepton, Standard Model
Abstract: Using a dataset of 6.32 fb^{-1} of e^{+}e^{-} annihilation data collected with the BESIII detector at center-of-mass energies between 4178 and 4226 MeV, we have measured the absolute branching fraction of the leptonic decay D_{s}^{+}→τ^{+}ν_{τ} via τ^{+}→e^{+}ν_{e}ν[over ¯]_{τ}, and find B_{D_{s}^{+}→τ^{+}ν_{τ}}=(5.27±0.10±0.12)×10^{-2}, where the first uncertainty is statistical and the second is systematic. The precision is improved by a factor of 2 compared to the previous best measurement. Combining with f_{D_{s}^{+}} from lattice quantum chromodynamics calculations or the |V_{cs}| from the CKMfitter group, we extract |V_{cs}|=0.978±0.009±0.012 and f_{D_{s}^{+}}=(251.1±2.4±3.0) MeV, respectively. Combining our result with the world averages of B_{D_{s}^{+}→τ^{+}ν_{τ}} and B_{D_{s}^{+}→μ^{+}ν_{μ}}, we obtain the ratio of the branching fractions B_{D_{s}^{+}→τ^{+}ν_{τ}}/B_{D_{s}^{+}→μ^{+}ν_{μ}}=9.72±0.37, which is consistent with the standard model prediction of lepton flavor universality.
Published: 2021

71. Effects of coalescence and isospin symmetry on the freezeout of light nuclei and their anti-particles

Author: Fu-Hu Liu, Z. Wazir, Muhammad Waqas, and G. X. Peng
Subjects: Physics, Coalescence (physics), Particle physics, Multidisciplinary, Science, Nuclear Theory, FOS: Physical sciences, Kinetic energy, Article, Spectral line, Nuclear physics, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Deuterium, Flow velocity, Theoretical nuclear physics, Isospin, Helion, Medicine, Phenomenology, Nuclear Experiment, Nucleon
Abstract: The transverse momentum spectra of light nuclei (deuteron, triton and helion) produced in various centrality intervals in Gold-Gold (Au-Au), Lead-Lead (Pb-Pb) and proton-Lead (p-Pb) collisions, as well as in inelastic (INEL) proton-proton (pp) collisions are analyzed by the blast wave model with Boltzmann Gibbs statistics. The model results are nearly in agreement with the experimental data measured by STAR and ALICE Collaborations in special transverse momentum ranges. We extracted the bulk properties in terms of kinetic freeze-out temperature, transverse flow velocity and freezeout volume. It is observed that deuteron and anti-deuteron freezeout later than triton and helion as well as their anti-particles due to its smaller mass, while helion and tri-ton, and anti-helion and anti-triton freezeout at the same time due to isospin symmetry at higher energies. It is also observed that light nuclei freezeout earlier than their anti-nuclei due to the large coalescence of nucleons for light nuclei compared to their anti-nuclei. The kinetic freezeout temperature, transverse flow velocity and kinetic freezeout volume decrease from central to peripheral collisions. Furthermore, the transverse flow velocity depends on mass of the particle which decreases with increasing the mass of the particle.PACS: 12.40.Ee, 13.85.Hd, 25.75.Ag, 25.75.Dw, 24.10.Pa
Published: 2021

72. Observation of e + e − → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV

Author: Y. B. Zhao, G. Y. Hou, Zeng, H. J. Lu, C. Dong, J. Dong, Q. Liu, Y. Ding, J. G. Lu, S. Sosio, I. B. Nikolaev, F. E. Maas, B. J. Liu, T. Y. Xing, D. Y. Chen, H. Y. Zhang, Joachim Pettersson, C. J. Tang, L. D. Liu, T. Hu, A. Guskov, Xiao-Rui Lyu, W.M. Liu, Haifeng Li, Y. G. Gao, W. H. Wang, J. Zhu, J. Q. Li, A. Q. Guo, J. Bloms, X. L. Ji, G. A. Chelkov, Y. Hu, Jiaqi Li, Y. P. Lu, Z. A. Liu, Wei Wang, Haiwen Liu, Shiqun Li, W. Kühn, L. Yang, F. De Mori, X. S. Kang, M. Fritsch, A. Yuncu, Y. G. Xie, Li Zhou, O. Bakina, W. M. Song, Y. Y. Ji, S. X. Du, W. B. Yan, Xujin Yuan, S. B. Liu, Z. Y. You, Z. A. Zhu, W. C. Yan, Meng Wang, M. Q. Jing, J. F. Sun, X. H. Mo, M. H. Ye, G. F. Chen, Ke Wang, W. Y. Sun, X. Dai, Jianhao Zhang, J. L. Li, Xu Yan, R. T. Ma, S. Pacetti, H. F. Shen, J. F. Shangguan, Muhammad Irshad, Y. D. Wang, C. X. Liu, P. X. Shen, L. L. Wang, H. Cai, L. Q. Huang, W. Imoehl, Chong-Xing Yue, J. L. Zhang, F. F. Sui, M. H. Gu, M. Rolo, Z. Wu, S. Marcello, Y. Zeng, Zhe Sun, Y. H. Tan, Zhiqing Zhang, R. Farinelli, B. Kopf, W. Y. Han, J. Y. Zhang, W. G. Li, J. Libby, Li Yuan, F. Cossio, Stephen Lars Olsen, Ke Li, Ruiting Ma, Y. P. Guo, R. Kiuchi, Huanhuan Liu, K. J. Zhu, F. A. Harris, W. L. Chang, X. H. Xie, Y.C. Xu, Z. J. Chen, H. L. Ma, G. Felici, J.H. Feng, T. Lenz, Yaquan Fang, S. F. Zhang, Z. Qian, L. Y. Dong, X. Pan, K. H. Qi, Shan Jin, Z. Ning, S. Y. Xiao, C. P. Shen, K. L. He, L. Zhang, Y. K. Sun, Y. Nefedov, H. B. Li, Z. Huang, A. G. Denig, C. L. Luo, Q. Zhou, D. M. Li, Ziyi Wang, Y. F. Wang, J. Zhao, H. Leithoff, Y. B. Chen, J. Z. Zhang, Q. M. Ma, John Jake Lane, Andrzej Kupsc, H. H. Zhang, Guoqiang Yu, Z. Y. Yuan, M. Y. Dong, C. X. Yu, H.R. Qi, K. Goetzen, F. Yan, M. Z. Wang, V. Prasad, J. Tang, K. Schoenning, Y. Gao, A. Lavania, H. B. Liu, Jimin Zhao, T. Y. Qi, L. J. Wu, X. Wu, J. H. Zou, B. Zhong, L. B. Guo, L. Yan, Shuangli Yang, M. Albrecht, M. L. Chen, H. S. Sang, J. J. Song, L. Sun, W. D. Li, B. S. Zou, Niklaus Berger, G. Mezzadri, M. Pelizaeus, T. Holtmann, S. S. Sun, W. J. Zhu, Jinfei Wu, K. X. Su, W. H. Tian, B. Zheng, R. G. Ping, F. X. Lu, Yunlong Zhang, M. H. Liu, D. Bettoni, A. Q. Zhang, S. Zhang, M. N. Achasov, Q. P. Ji, S. Spataro, X. P. Xu, Y. Yuan, X. Wang, L. Lavezzi, H. Muramatsu, A. N. Zhu, J. Y. Liu, P. R. Li, T. T. Han, Ulrich Wiedner, T. Hussain, Y. J. Mo, M. Qi, R. Poling, Jianping Zheng, H. J. Yang, Z. P. Mao, Tao Luo, X. Y. Zhou, S. J. Zhao, L. H. Wu, Zhiqing Liu, R. E. Mitchell, X. Y. Ma, J. Fang, J. H. Yin, R. Kappert, Lei Zhang, M. Shao, Y. T. Gu, Y. K. Heng, W. X. Gong, T. Johansson, J. F. Chang, I. Balossino, Fang Liu, M. Kuemmel, Matthew Glenn Kurth, Yanping Huang, Y. H. Zheng, T. J. Min, K. Y. Liu, I. Garzia, W. Shan, L. L. Ma, Ch. Rosner, B. X. Yu, L. Q. Zhang, J. Zhang, G. F. Xu, Cong-Feng Qiao, I. Denysenko, J. J. Zhang, Xu Shan, Lei Li, H. K. Sun, S. Qian, M. Kavatsyuk, Y. C. Zhu, Q. An, O. B. Kolcu, Yu-Xiao Liu, X. Cai, X. F. Cui, A. Pathak, M. Destefanis, N. Yu. Muchnoi, S. Gu, Shuai Liu, A. Amoroso, X. L. Lu, L. Gong, Peilian Liu, S. Nisar, H. C. Shi, Y. H. Zhang, Shulei Zhang, Yi Jin, A. Sarantsev, D. H. Wei, J. S. Lange, Guangyi Zhang, A. Calcaterra, Z. G. Zhao, Y. X. Tan, Jialun Ping, X. Q. Hao, X. Y. Zhang, Yan Zhang, X. L. Wang, L. Z. Liao, A. Dbeyssi, H. S. Chen, Q. J. Xu, T. Liu, X. D. Zhang, Zhiyong Zhang, T. Held, S. Ahmed, Y. X. Yang, B. C. Ke, D. C. Shan, Evelina Gersabeck, L. Xia, Z. Y. Wang, H. L. Dai, Igor Boyko, M. Bertani, A. Bortone, Xuanhong Lou, Viktor Thorén, J. B. Liu, C. H. Heinz, B. X. Zhang, Angelo Rivetti, Y. J. Sun, Yifan Yang, X. Y. Shen, L. Koch, A. Khoukaz, G. F. Cao, Huimin Wang, X. D. Shi, Nasser Kalantar-Nayestanaki, L. M. Gu, P. Kiese, M. Lellmann, R. Baldini Ferroli, H. B. Jiang, Z. J. Xiao, Minglin Ma, Y. Ban, Yuan Hou, X D Shi, S. Janchiv, A. Gilman, Jiawei Zhang, C. H. Li, C. Li, Yong-Qiang Wang, S. Malde, Q. Zhao, Y. Z. Sun, H.J. Wang, F. H. Heinsius, R. A. Briere, Y. L. Fan, Yue Pan, Y. J. Mao, Jifeng Hu, Xiang Zhou, I. K. Keshk, S. P. Wen, X. R. Zhou, M. X. Luo, Dylan Jaide White, D. Y. Liu, J. B. Jiao, N. Hüsken, X. Sun, G. R. Liao, J. X. Teng, W. Gradl, Y. X. Song, D. Y. Wang, C. Zhong, C. X. Lin, H. X. Yang, M. Rump, Gang Zhao, Cheng Li, X. S. Jiang, Yuyi Wang, D. V. Dedovich, B. Q. Wang, Haiping Peng, F. Feldbauer, Feng Liu, S. Pogodin, Wei Xu, Magnus Wolke, Y. F. Liang, M. Ablikim, Xiaoyu Li, P. Adlarson, X. H. Li, L. Wollenberg, M. Scodeggio, Jianyu Zhang, Huihui Liu, M. G. Zhao, Y. Schelhaas, X. Liu, X. X. Ma, X. F. Wang, C. F. Redmer, J. D. Lu, K. Ravindran, M. Greco, C. Schnier, Y. Q. Wang, Tong Zhu, Serkant Ali Cetin, A. Zhemchugov, X. T. Huang, R. P. Guo, J. G. Messchendorp, S. Q. Qu, W. Ikegami Andersson, Z. X. Meng, X. H. Bai, A. A. Zafar, Hao Liang, X. L. Luo, Christoph Herold, C. W. Wang, G. Rong, K. H. Rashid, W. P. Wang, Klaus Peters, Z. H. Qin, H. Qi, Y. T. Liang, M. R. An, K. Begzsuren, S. J. Chen, F. Bianchi, C. Geng, R. S. Shi, Zujian Wang, Y. Bai, Y. Zhang, G. X. Sun, H. Xiao, Ziyuan Li, Z. Jiao, Fu-Hu Liu, Zongyuan Wang, Z. H. Lei, F. Weidner, Q. Ouyang, S. S. Fang, C. Y. Guan, X. P. Qin, Y. B. Liu, Y. X. Zhao, Y. H. Xie, M. Maggiora, Ling Zhao, Lei Zhao, Z. L. Hou, R. E. de Boer, C. Z. Yuan, N. Cao, Guangshun Huang, M. Kuessner, Tao Sun, X. Dong, G. Wilkinson, G. Y. Tang, P. T. Ge, W. S. Cheng, Yao Zhang, G. Li, J. L. Liu, Jie Zhao, H. M. Hu, C. D. Fu, C. Q. Feng, X. R. Chen, Z. Y. Deng, R. Aliberti, Xingguo Li, P. W. Luo, F. Nerling, L. Q. Qin, M. Himmelreich, L. K. Li, S. H. Zhu, T. Yu, V. Rodin, X. K. Zhou, P. P. Su, X. B. Ji, S. Maldaner, Wenbin Qian, P. Patteri, I. Uman, Y. T. Tian, R. Kliemt, S. Jaeger, A. Mangoni, P. Larin, S. Nakhoul, Jie Yu, G. Cibinetto, F. Li, F. C. Ma, J. F. Qiu, H. J. Li, L. Fava, Zhi Yang, X. S. Qin, Energy and Sustainability Research Institute Groni, and Nuclear Energy
Subjects: Exotics, Nuclear and High Energy Physics, measured [channel cross section], e+-e− Experiments, Quarkonium, annihilation [electron positron], QC770-798, electron positron: annihilation, eta, Particle and resonance production, Measure (mathematics), Standard deviation, NO, Nuclear physics, Subatomär fysik, Cross section (physics), e+-e�� Experiments, energy dependence: measured [cross section], Astronomi, astrofysik och kosmologi, Nuclear and particle physics. Atomic energy. Radioactivity, Subatomic Physics, Astronomy, Astrophysics and Cosmology, ddc:530, e+-e− Experiments, Exotics, Particle and resonance production, Quarkonium, psi(3685), Physics, BES, e(+)-e(-) Experiments, Detector, statistical [error], +eta+psi%283685%29%22">electron positron --> eta psi(3685), e +-e − Experiments, electron positron: colliding beams, Beijing Stor, 4.236-4.600 GeV-cms, Collision, error: statistical, Yield (chemistry), e-e Experiments, colliding beams [electron positron], High Energy Physics::Experiment, Center of mass, cross section: energy dependence: measured, channel cross section: measured, Storage ring, experimental results
Abstract: Journal of high energy physics 2021(10), 177 (2021). doi:10.1007/JHEP10(2021)177, Using a total of 5.25 fb$^{��1}$ of e$^{+}$e$^{��}$ collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process e$^{+}$e$^{��}$�� (2S) with a statistical significance of 4.9 standard deviations. The data sets were collected by the BESIII detector operating at the BEPCII storage ring. We measure the yield of events integrated over center-of-mass energies and also present the energy dependence of the measured cross section.[graphic not available: see fulltext], Published by SISSA, [Trieste]
Published: 2021

73. Observation of D0→K1(1270)−e+νe

Author: L. Q. Qin, H. K. Sun, X. Wang, L. J. Wu, X. Wu, S. Qian, F. De Mori, X. H. Mo, M. H. Ye, Xiao-Rui Lyu, Y. J. Mo, W. H. Wang, S. H. Zhu, Q. An, Jialun Ping, T. Yu, Meng Wang, X. Y. Zhang, L. D. Liu, F. Li, F. C. Ma, X. L. Wang, X. K. Zhou, L. L. Wang, H. Cai, P. P. Su, J. B. Liu, Y. G. Gao, T. Liu, J. F. Qiu, Y. F. Wang, J. Zhao, H. J. Li, L. Fava, Zhi Yang, C. Zhong, Y. J. Sun, Yifan Yang, L. Q. Huang, X. S. Qin, J. F. Shangguan, Muhammad Irshad, Y. D. Wang, Q. P. Ji, K. X. Su, F. A. Harris, W. L. Chang, Wenbin Qian, J. Q. Li, A. Q. Guo, Wen-Zhao Liu, H. Leithoff, M. Y. Dong, S. Ahmed, Y. X. Yang, C. X. Liu, T. Hussain, Y. P. Lu, X. Y. Shen, X. Y. Ma, H. B. Li, C. H. Heinz, M. Himmelreich, Jianyu Zhang, L. Gong, W. X. Gong, X. Y. Zhou, A. Lavania, H. B. Liu, J. Bloms, A. G. Denig, C. L. Luo, Q. Zhou, I. B. Nikolaev, I. Uman, R. Kappert, A. Pathak, G. F. Xu, Huimin Wang, C. F. Redmer, J. D. Lu, C. Schnier, Y. Q. Wang, B. C. Ke, Y. T. Tian, S. Nakhoul, S. Gu, C. W. Wang, G. Rong, J. H. Yin, Lei Zhang, W. Imoehl, Y. Ban, P. Weidenkaff, F. H. Heinsius, Y. Schelhaas, Z. Ning, S. Y. Xiao, J. F. Sun, Y. Ding, S. Jaeger, S. P. Wen, X. T. Huang, Z. J. Xiao, B. Kopf, W. Y. Han, B. J. Liu, T. Y. Xing, D. Y. Chen, Q. Zhao, Y. Z. Sun, K. L. He, Ziyi Wang, M. Z. Wang, Xujin Yuan, J. H. Zou, X. R. Zhou, Q. M. Ma, Cheng Li, B. Wang, M. Shao, Y. T. Gu, C. X. Yue, Xiang Zhou, I. K. Keshk, J. Zhang, X. Liu, M. Kavatsyuk, P. Larin, G. Wilkinson, S. B. Liu, X. L. Ji, H.J. Wang, W. Kühn, B. Zhong, L. B. Guo, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, P. Kiese, Yuan Hou, C. X. Lin, R. A. Briere, W. S. Cheng, Yao Zhang, Jimin Zhao, T. Y. Qi, G. Li, J. L. Zhang, F. F. Sui, M. H. Gu, K. H. Qi, L. Yan, S. Marcello, Y. Zeng, Yanping Huang, Xu Shan, Z. Y. You, A. Sarantsev, D. H. Wei, J. S. Lange, M. Rump, Gang Zhao, Z. A. Zhu, W. C. Yan, G. Y. Tang, R. Kiuchi, Y. C. Zhu, H. C. Shi, H. Li, X. S. Jiang, Z. X. Meng, L. Zhang, Y. Nefedov, Y. Yuan, J. L. Liu, Z. J. Chen, M. Bertani, X. H. Bai, Serkant Ali Cetin, Shan Jin, K. Goetzen, L. Yang, X. S. Kang, P. T. Ge, Jie Zhao, Alexey Zhemchugov, H. M. Hu, M. G. Zhao, Zhe Sun, S. Lusso, X. X. Ma, C. D. Fu, D. Y. Liu, C. X. Yu, J. L. Li, C. Geng, A. Yuncu, J. B. Jiao, M. Rolo, C. Q. Feng, B. X. Zhang, S. Zhang, W. J. Zhu, Jinfei Wu, C. P. Shen, M. X. Luo, Dylan Jaide White, J. Zhu, Wei Xu, N. Hüsken, S. S. Sun, X. H. Xie, X. F. Wang, P. Adlarson, Magnus Wolke, A. A. Zafar, X. R. Chen, R. Farinelli, H. J. Lu, J. G. Lu, Y. G. Xie, W. H. Tian, Si Li, B. Zheng, R. G. Ping, L. Y. Dong, Christoph Herold, Yuyi Wang, Guangshun Huang, M. Kuessner, Y. F. Liang, D. V. Dedovich, R. Aliberti, W. P. Wang, Z. Y. Deng, R. S. Shi, Stephen Lars Olsen, Li Zhou, H. B. Jiang, Jiawei Zhang, Xiangcheng Pan, W. M. Song, Y. Y. Ji, Q. Liu, T. Held, H. L. Ma, T. Lenz, D. M. Li, S. X. Du, K. H. Rashid, Y. B. Chen, J. Z. Zhang, Y. K. Heng, R. E. Mitchell, Xingguo Li, Zhiqing Liu, H. Y. Zhang, Y. L. Fan, K. Ravindran, M. Greco, Libo Zhang, Z. Y. Yuan, W. Gradl, Y. H. Zheng, H. S. Sang, J. J. Song, F. Nerling, Z. H. Qin, Zujian Wang, L. L. Ma, Haiwen Liu, L. Sun, F. E. Maas, Y. X. Song, R. Kliemt, Y. T. Liang, M. R. An, M. Pelizaeus, Tao Sun, X. Dong, Y. Bai, A. Amoroso, T. Hu, Jie Feng, D. Y. Wang, M. Qi, H. J. Yang, F. Feldbauer, Fang Liu, A. Mangoni, G. A. Chelkov, T. Johansson, J. F. Chang, A. Dbeyssi, I. Denysenko, Tong Zhu, G. F. Chen, Peilian Liu, Cong-Feng Qiao, S. J. Chen, Yi Zhang, A. Guskov, Feng Liu, Jie Yu, H. Qi, A. Calcaterra, Z. G. Zhao, T. Holtmann, J. Y. Zhang, L. Z. Liao, K. Y. Liu, N. Yu. Muchnoi, M. Ablikim, Xiaoyu Li, L. Lavezzi, Angelo Rivetti, C. H. Li, Y. X. Zhao, V. Prasad, O. Bakina, J. Y. Liu, R. P. Guo, S. Q. Qu, W. Ikegami Andersson, Y. H. Zhang, Y. H. Xie, K. J. Zhu, Y. X. Tan, F. Cossio, W. G. Li, Ruiting Ma, Y. P. Guo, X. L. Lu, G. Cibinetto, Y. Y. Wang, M. Maggiora, Z. Qian, M. M. Ma, O. B. Kolcu, Zhiyong Zhang, Andrzej Kupsc, Y. K. Sun, Ling Zhao, Z. Huang, P. W. Luo, Z. Y. Wang, L. H. Wu, P. X. Shen, Z. Wu, Shuai Liu, Lei Zhao, H. H. Zhang, Z. L. Hou, T. T. Han, Feng Yan, S. Spataro, Yi Jin, X. P. Xu, H. R. Qi, Yu-Xiao Liu, L. Xia, D. C. Shan, M. Kuemmel, Matthew Glenn Kurth, X. Cai, M. L. Chen, S. J. Zhao, L. K. Li, S. Janchiv, M. Albrecht, Guangyi Zhang, Y. Zhang, R. E. de Boer, V. Rodin, W. Shan, G. X. Sun, Zhiqing Zhang, H. Xiao, Ziyuan Li, Z. Jiao, Fu-Hu Liu, Lei Li, M. Lellmann, C. Z. Yuan, N. Cao, Y. B. Zhao, X. B. Ji, S. Maldaner, P. Patteri, W. D. Li, Q. J. Xu, X. D. Zhang, A. Bortone, Xuanhong Lou, X. F. Cui, X. Q. Hao, Viktor Thorén, Yan Zhang, Jiangqiao Hu, G. F. Cao, J. Dong, F. X. Lu, W. B. Yan, Nasser Kalantar-Nayestanaki, X D Shi, Y. J. Mao, M. N. Achasov, S. Nisar, C. J. Tang, Yue Pan, I. Balossino, H. X. Yang, Y. Hu, S. Pacetti, Z. A. Liu, Y. H. Tan, Xu Yan, Ke Li, Huihui Liu, R. T. Ma, C. Dong, S. Sosio, J. G. Messchendorp, Evelina Gersabeck, S. F. Zhang, Jiaming Li, X. D. Shi, Krisztian Peters, Joachim Pettersson, S. L. Yang, J. Tang, Yunlong Zhang, M. H. Liu, X. Sun, G. R. Liao, D. Bettoni, R. Poling, Jianping Zheng, H. Liang, T. J. Min, I. Garzia, J. J. Zhang, L. Koch, A. Khoukaz, R. Baldini Ferroli, A. Gilman, M. Destefanis, Y. C. Xu, C. Li, M. Fritsch, S. Malde, Jianhao Zhang, J. X. Teng, Ke Liu, J. Libby, Yaquan Fang, Haiping Peng, John Jake Lane, Guoqiang Yu, K. Schoenning, Y. Gao, B. S. Zou, Niklaus Berger, Q. A. Malik, G. Mezzadri, Ke Wang, W. Y. Sun, L. M. Gu, P. R. Li, Z. P. Mao, Li Yuan, J. Fang, Ch. Rosner, Tao Luo, B. X. Yu, Shulei Zhang, H. S. Chen, H. L. Dai, Igor Boyko, X. L. Luo, K. Begzsuren, F. Bianchi, Zongyuan Wang, Z. H. Lei, F. Weidner, Q. Ouyang, S. S. Fang, C. Y. Guan, X. P. Qin, Y. B. Liu, Huanhuan Liu, G. Felici, X. H. Li, L. Wollenberg, M. Scodeggio, and Xingchao Dai
Subjects: Physics, Semileptonic decay, Particle physics, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, General Physics and Astronomy, 010306 general physics, 01 natural sciences, Energy (signal processing)
Abstract: Using 2.93 fb^{-1} of e^{+}e^{-} collision data taken with the BESIII detector at a center-of-mass energy of 3.773 GeV, the observation of the D^{0}→K_{1}(1270)^{-}e^{+}ν_{e} semileptonic decay is presented. The statistical significance of the decay D^{0}→K_{1}(1270)^{-}e^{+}ν_{e} is greater than 10σ. The branching fraction of D^{0}→K_{1}(1270)^{-}e^{+}ν_{e} is measured to be (1.09±0.13_{-0.16}^{+0.09}±0.12)×10^{-3}. Here, the first uncertainty is statistical, the second is systematic, and the third originates from the assumed branching fraction of K_{1}(1270)^{-}→K^{-}π^{+}π^{-}. The fraction of longitudinal polarization in D^{0}→K_{1}(1270)^{-}e^{+}ν_{e} is determined for the first time to be 0.50±0.19_{stat}±0.08_{syst}.
Published: 2021

74. Direct Measurement of the Branching Fractions B(ψ(3686)→J/ψX) and B(ψ(3770)→J/ψX) , and Observation of the State R(3760) in e+e−→J/ψX

Author: Y. J. Mo, P. W. Luo, Q. P. Ji, X. Y. Shen, Y. Ding, B. J. Liu, T. Y. Xing, D. Y. Chen, W. Kühn, Z. Y. You, Z. A. Zhu, W. C. Yan, T. Weber, C. P. Shen, F. Li, M. H. Ye, Y. H. Zheng, Cong-Feng Qiao, Huanhuan Liu, Q. Liu, X. L. Gao, F. C. Ma, L. K. Li, Y. F. Wang, Y. H. Xie, R. Kappert, S. Ahmed, M. Maggiora, G. Felici, J. Zhao, M. Bertani, N. Yu. Muchnoi, Y. Fu, Y. H. Zhang, L. L. Ma, L. Gong, V. Rodin, X. L. Ji, L. G. Xia, Ling Zhao, Lei Zhao, Z. Ning, M. Kuemmel, Matthew Glenn Kurth, X. B. Ji, Z. L. Hou, L. Yang, W. Shan, L Y Liu, Y. X. Yang, T. Liu, J. F. Qiu, T. Hussain, X. Y. Ma, J. L. Zhang, A. Amoroso, P. Patteri, L. Y. Dong, F. F. Sui, M. H. Gu, R. Kiuchi, W. X. Gong, X. F. Cui, S. Y. Xiao, G. F. Xu, G. Y. Tang, C. Dong, S. Sosio, R. S. Shi, L. Fava, Zhi Yang, A. Dbeyssi, M. X. Luo, Dylan Jaide White, H. B. Jiang, T. T. Han, Dong E. Liu, Yuyi Wang, Jiawei Zhang, D. V. Dedovich, Z. Y. Wang, Anita, S. Gu, X. H. Li, L. Wollenberg, A. Pathak, G. S. Huang, Evelina Gersabeck, Yao Wang, C. X. Yu, W. Gradl, X. S. Kang, Joachim Pettersson, C. Z. Yuan, Xingchao Dai, N. Cao, Y. X. Song, Angelo Rivetti, C. H. Li, W. J. Zhu, Bingxuan Liu, G. Wilkinson, D. Y. Wang, M. Qi, X. D. Shi, Zongyuan Wang, X. Wang, F. De Mori, Xujin Yuan, Y. C. Zhu, F. Nerling, H. J. Yang, Zujian Wang, W. Imoehl, B. Zheng, R. G. Ping, W. S. Cheng, Yao Zhang, Z. A. Liu, J. Tang, J. F. Sun, Y. Bai, G. Li, V. Prasad, Jie Zhao, F. Weidner, Si Li, A. Gilman, Q. Ouyang, I. B. Nikolaev, S. B. Liu, C. D. Fu, Y. Nefedov, S. J. Zhao, Yunlong Zhang, J. H. Yin, D. Bettoni, H. B. Li, Lei Zhang, A. G. Denig, C. L. Luo, M. Kuessner, Q. Zhou, J. B. Jiao, S. Marcello, C. Q. Feng, Y. Ban, P. Weidenkaff, Alexey Zhemchugov, H. M. Hu, P. Kiese, F. H. Heinsius, Y. G. Xie, Y. Zeng, Yuan Hou, M. Shao, Y. T. Gu, C. X. Yue, X. R. Chen, X. L. Lu, Zhe Sun, S. Lusso, Q. Zhao, R. A. Briere, S. P. Wen, Z. Y. Deng, S. S. Fang, C. Y. Guan, R. Poling, Hai-Tian Wang, X. R. Zhou, Cheng Li, Tao Sun, Jianping Zheng, Y. B. Liu, Xingguo Li, G. A. Chelkov, Y. Z. Sun, X. H. Xie, Q. M. Ma, X. N. Ma, B. Zhong, L. B. Guo, Y. B. Chen, Xiaofeng Zhu, J. Z. Zhang, T. J. Min, X. Y. Jiang, X. S. Jiang, J. J. Song, R. Kliemt, X. L. Luo, T. Held, Shan Jin, K. Y. Liu, L. Sun, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, W. Yuan, L. Yan, K. Goetzen, Tao Zhang, Xiang Zhou, I. K. Keshk, A. Mangoni, Y. Yuan, A. Guskov, Jie Yu, M. Destefanis, A. Sarantsev, D. H. Wei, J. S. Lange, K. Begzsuren, M. M. Ma, S. X. Du, W. P. Wang, F. Bianchi, Krisztian Peters, C. X. Lin, R. X. Yang, Wei Xu, B. Kopf, J. W. Zhang, J. F. Hu, Lingxuan Zhang, Y. X. Tan, K. J. Zhu, T. Z. Han, B. Wang, S. L. Yang, P. Adlarson, G. Cibinetto, Xu Shan, K. L. He, Zhiyong Zhang, Ziyi Wang, M. Rump, Gang Zhao, J. L. Li, A. Yuncu, M. Rolo, M. Z. Wang, X. P. Qin, D. Y. Liu, S. Zhang, J. Q. Zhang, Jimin Zhao, T. Holtmann, P. L. Li, Jinfei Wu, X. H. Mo, A. Calcaterra, Z. G. Zhao, M. Kavatsyuk, I. Uman, Y. Zhang, F. Cossio, L. Z. Liao, Ruiting Ma, Y. P. Guo, L. D. Liu, Y. F. Long, K. Ravindran, M. Greco, L. L. Wang, H. Cai, Xiao-Rui Lyu, G. X. Sun, J. V. Bennett, H. C. Shi, H. Xiao, Ziyuan Li, J. Y. Liu, L. Q. Huang, Jacek Biernat, H. H. Zhang, Q. J. Xu, S. Nakhoul, Z. Jiao, Fu-Hu Liu, H. J. Lu, J. G. Lu, F. E. Maas, T. Hu, M. Lellmann, S. Jaeger, S. Maldaner, M. Albrecht, B. X. Zhang, O. Bakina, P. X. Shen, Z. Wu, Y. G. Gao, Yi Zhang, J. Q. Li, A. Q. Guo, Y. B. Zhao, Zhiqing Zhang, Zhiqing Liu, P. Larin, J. Dong, A. Bortone, C. X. Liu, R. P. Guo, C. Zhong, W. D. Li, F. Feldbauer, M. Himmelreich, R. Farinelli, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, Feng Liu, T. Johansson, J. F. Chang, Stephen Lars Olsen, H. L. Ma, T. Lenz, J. Bloms, M. Ablikim, D. M. Li, S. Nisar, C. J. Tang, M. Pelizaeus, B. T. Tsednee, Xuanhong Lou, Viktor Thorén, Y. Hu, Y. P. Lu, O. B. Kolcu, L. Q. Qin, T. Y. Qi, Magnus Wolke, H. R. Qi, Nasser Kalantar-Nayestanaki, X. Cai, L. Lavezzi, S. H. Zhu, T. Yu, Y. F. Liang, X. Q. Hao, Yan Zhang, X. K. Zhou, R. T. Ma, S. F. Zhang, Yue Pan, Wenbin Qian, Y. Schelhaas, I. Balossino, X. Liu, Q. Q. Song, H. Y. Zhang, Jianyu Zhang, Serkant Ali Cetin, R. B. de Boer, H. J. Li, G. F. Chen, S. Qian, Q. An, Jialun Ping, X. Y. Zhang, Michael Papenbrock, X. L. Wang, J. B. Liu, Y. J. Sun, Yifan Yang, C. F. Redmer, J. D. Lu, J. Y. Zhang, C. Schnier, Y. Q. Wang, Z. J. Xiao, H. W. Wen, Y. K. Heng, X. T. Huang, G. Rong, M. G. Zhao, Y. H. Yang, X. X. Ma, J. Zhu, X. F. Wang, Andrzej Kupsc, Z. X. Meng, X. A. Xiong, H. Liang, M. L. Chen, A. A. Zafar, M. Fritsch, Ke Liu, K. H. Rashid, J. Libby, Y. T. Liang, Yaquan Fang, S. J. Chen, A. Pitka, John Jake Lane, Guoqiang Yu, S. Han, K. Schoenning, Y. Gao, B. S. Zou, Niklaus Berger, Q. A. Malik, G. Mezzadri, L. H. Wu, L. M. Gu, M. Savrie, L. P. Zhou, P. R. Li, Y. M. Ma, Z. P. Mao, Y. X. Zhao Zhao, Yi Jin, J. Fang, Y. J. Xiao, Ch. Rosner, S. Janchiv, Fang Liu, I. Denysenko, J. J. Xu, Guangyi Zhang, M. Y. Dong, H. B. Liu, Tao Luo, J. H. Zou, B. X. Yu, S. S. Sun, X. S. Qin, H. S. Chen, R. E. Mitchell, H. L. Dai, Igor Boyko, L. Koch, A. Khoukaz, Bibo Ke, W. B. Yan, R. Baldini Ferroli, M. N. Achasov, C. Li, S. Malde, S. Pacetti, Haiping Peng, Ke Wang, N. Huesken, W. Y. Sun, Ke Li, B. L. Wang, Meng Wang, Muhammad Irshad, F. A. Harris, W. L. Chang, H. Leithoff, C. W. Wang, Z. H. Qin, X D Shi, Y. J. Mao, H. X. Yang, I. Garzia, Huihui Liu, J. G. Messchendorp, J. P. Dai, W. G. Li, Y. K. Sun, Z. Huang, S. Spataro, X. P. Xu, Lei Li, H. M. Liu, G. F. Cao, L. J. Wu, and X. Wu
Subjects: Physics, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, Analytical chemistry, General Physics and Astronomy, State (functional analysis), 010306 general physics, Branching (polymer chemistry), 01 natural sciences
Abstract: We report a measurement of the observed cross sections of e + e - → J / ψ X based on 3.21 fb - 1 of data accumulated at energies from 3.645 to 3.891 GeV with the BESIII detector operated at the BEPCII collider. In analysis of the cross sections, we measured the decay branching fractions of B ( ψ ( 3686 ) → J / ψ X ) = ( 64.4 ± 0.6 ± 1.6 ) % and B ( ψ ( 3770 ) → J / ψ X ) = ( 0.5 ± 0.2 ± 0.1 ) % for the first time. The energy-dependent line shape of these cross sections cannot be well described by two Breit-Wigner (BW) amplitudes of the expected decays ψ ( 3686 ) → J / ψ X and ψ ( 3770 ) → J / ψ X . Instead, it can be better described with one more BW amplitude of the decay R ( 3760 ) → J / ψ X . Under this assumption, we extracted the R ( 3760 ) mass M R ( 3760 ) = 3766.2 ± 3.8 ± 0.4 MeV / c 2 , total width Γ R ( 3760 ) tot = 22.2 ± 5.9 ± 1.4 MeV , and product of leptonic width and decay branching fraction Γ R ( 3760 ) e e B [ R ( 3760 ) → J / ψ X ] = ( 79.4 ± 85.5 ± 11.7 ) eV . The significance of the R ( 3760 ) is 5.3 σ . The first uncertainties of these measured quantities are from fits to the cross sections and second systematic.
Published: 2021

75. Search for the charged lepton flavor violating decay J/ψ→eτ

Author: G. Y. Tang, P. T. Ge, H. K. Sun, Jie Zhao, H. M. Hu, Q. An, Jialun Ping, Y. X. Zhao, Y. H. Xie, C. Dong, S. Sosio, W. G. Li, Yongke Zhao, X. Y. Zhang, Y. K. Sun, Xujin Yuan, Z. Huang, Tao Luo, Hui Li, M. Maggiora, Ling Zhao, W. X. Gong, X. L. Wang, M. Albrecht, S. B. Liu, J. B. Liu, Q. P. Ji, S. Spataro, X. P. Xu, Lei Zhao, Z. L. Hou, W. D. Li, Jiaming Li, Y. J. Sun, Yifan Yang, R. Aliberti, F. Nerling, J. G. Lu, Y. Nefedov, Y. P. Lu, Fang Liu, K. H. Qi, Joachim Pettersson, Z. Wu, R. E. de Boer, I. Denysenko, J. Libby, B. X. Yu, Lei Li, Shuai Liu, W. Y. Sun, Yaquan Fang, X. Zhou, C. Z. Yuan, N. Cao, I. Uman, Shulei Zhang, Xu Yan, C. Zhong, Z. H. Wang, Jianyu Zhang, M. M. Ma, Guangyi Zhang, John Jake Lane, Guoqiang Yu, M. Y. Dong, L. Q. Qin, D. Y. Liu, J. B. Jiao, M. Himmelreich, J. L. Li, W. H. Wang, S. H. Zhu, T. Yu, X. K. Zhou, P. P. Su, Q. Liu, S. Jaeger, Wenbin Qian, P. Larin, H. S. Chen, Y. G. Gao, M. Rolo, G. F. Cao, K. Schoenning, R. Kappert, B. S. Zou, R. T. Ma, C. F. Redmer, J. D. Lu, Y. C. Zhu, A. Lavania, H. B. Liu, J. H. Zou, Igor Boyko, Si Li, C. Schnier, Y. Q. Wang, Y. Zhang, G. X. Sun, C. H. Heinz, L. L. Ma, G. F. Xu, S. Ahmed, Y. X. Yang, S. Qian, H. Xiao, Ziyuan Li, Z. Jiao, Fu-Hu Liu, B. Kopf, A. Zhemchugov, X. T. Huang, W. Y. Han, H. L. Dai, S. F. Zhang, Niklaus Berger, Y. Ding, H. J. Wang, B. J. Liu, T. Y. Xing, D. Y. Chen, S. S. Sun, C. W. Wang, G. Rong, F. Cossio, Ruiting Ma, Y. P. Guo, K. J. Zhu, Z. Qian, M. H. Gu, C. Geng, A. Amoroso, M. Kuessner, F. A. Harris, T. Held, S. Gu, M. H. Ye, K. L. He, Ziyi Wang, M. Z. Wang, Y. Ban, P. Weidenkaff, F. H. Heinsius, W. Kühn, W. M. Song, R. E. Mitchell, R. S. Shi, Z. X. Meng, T. Y. Qi, X. H. Bai, Q. Zhao, Y. Z. Sun, A. Dbeyssi, X. L. Luo, S. P. Wen, J. Z. Zhao, A. A. Zafar, H. B. Li, Zongyuan Wang, H. Liang, I. B. Nikolaev, W. Imoehl, X. R. Zhou, Z. Y. You, Z. A. Zhu, W. C. Yan, W. P. Wang, Y. Bai, Zhiqing Liu, Tao Sun, X. Dong, Z. H. Lei, F. Weidner, L. Y. Dong, M. Qi, Li Yuan, X. D. Shi, I. K. Keshk, Y. Schelhaas, J. Tang, W. B. Yan, Jiajun Zheng, Angelo Rivetti, C. H. Li, H. J. Yang, Christoph Herold, Cheng Li, J. F. Sun, A. G. Denig, L. D. Liu, C. L. Luo, K. H. Rashid, Q. Ouyang, S. S. Fang, C. Y. Guan, H. Qi, X D Shi, T. Johansson, J. F. Chang, C. X. Lin, Y. J. Mao, C. P. Shen, Alexander Leon Gilman, Yunlong Zhang, S. Marcello, S. Pacetti, X. Liu, M. Rump, Gang Zhao, H. J. Li, M. H. Liu, Q. Zhou, X. Wang, F. De Mori, D. Bettoni, M. Fritsch, Meng Wang, Y. T. Liang, M. R. An, O. B. Kolcu, S. J. Chen, L. Gong, X. P. Qin, Y. B. Liu, R. Poling, Xiangcheng Pan, F. Li, F. C. Ma, Y. Zeng, H. X. Yang, Zhe Sun, Z. H. Qin, J. Dong, H. R. Qi, Yu-Xiao Liu, T. Holtmann, H. J. Lu, X. L. Lu, B. Zhong, L. B. Guo, S. Lusso, Y. H. Tan, Ke Li, X. H. Xie, L. Lavezzi, J. Y. Liu, Serkant Ali Cetin, Y. K. Heng, X. Q. Hao, K. Ravindran, M. Greco, J. H. Yin, Lei Zhang, V. Prasad, T. J. Min, K. Peters, C. J. Tang, L. J. Wu, X. Wu, Huihui Liu, Yan Zhang, Jiangqiao Hu, J. G. Messchendorp, H. Y. Zhang, D. C. Shan, M. Shao, Y. T. Gu, S. Y. Xiao, C. X. Yue, K. Y. Liu, I. Garzia, J. Z. Zhang, Y. J. Mo, H. S. Sang, J. J. Song, L. Sun, M. L. Chen, Q. M. Ma, C. X. Liu, M. Bertani, Z. Ning, L. H. Wu, J. J. Zhang, B. C. Ke, M. Destefanis, A. N. Zhu, Ulrich Wiedner, K. Begzsuren, Jie Feng, F. Bianchi, Peilian Liu, L. Koch, A. Khoukaz, K. Wang, L. Yan, Feng Yan, Y. Yuan, Y. X. Tan, Shan Jin, Yi Jin, Zhiyong Zhang, H. B. Jiang, K. Goetzen, L. Xia, Jiawei Zhang, R. Baldini Ferroli, A. Sarantsev, D. H. Wei, J. S. Lange, Yanping Huang, Y. C. Xu, G. S. Huang, Jianhao Zhang, Ke Liu, Z. J. Xiao, Jinfei Wu, Y. H. Zheng, Cong-Feng Qiao, C. Li, M. Kuemmel, Matthew Glenn Kurth, W. Shan, Xu Shan, S. Janchiv, Xiaolu Ji, W. Gradl, Tong Zhu, Yi Zhang, S. Zhang, S. Malde, Y. X. Song, Huanhuan Liu, X. F. Cui, G. Felici, X. Y. Shen, G. A. Chelkov, D. Y. Wang, R. Farinelli, N. Yu. Muchnoi, X. H. Mo, J. L. Zhang, F. E. Maas, Stephen Lars Olsen, F. F. Sui, Jian Fang, R. Kiuchi, H. L. Ma, T. Lenz, S. Nisar, A. Calcaterra, Z. G. Zhao, J. X. Teng, Evelina Gersabeck, L. L. Wang, H. Cai, L. Z. Liao, D. M. Li, Q. A. Malik, G. Mezzadri, Libo Zhang, W. J. Zhu, Z. J. Chen, H. Muramatsu, Z. Y. Yuan, C. X. Yu, Y. Y. Wang, M. Pelizaeus, T. Hu, L. Q. Huang, Z. Y. Wang, Yi Chen, Haiping Peng, X. H. Li, R. P. Guo, S. Q. Qu, W. Ikegami Andersson, L. Yang, H. H. Zhang, L. Wollenberg, M. Scodeggio, W. H. Tian, B. Zheng, R. G. Ping, S. L. Yang, Y. F. Wang, J. Zhao, X. S. Kang, Xingchao Dai, X. Sun, G. R. Liao, Y. L. Fan, M. Lellmann, O. Bakina, L. M. Gu, M. N. Achasov, P. R. Li, A. Yuncu, K. X. Su, Magnus Wolke, T. Hussain, M. X. Luo, Dylan Jaide White, Yuyi Wang, D. V. Dedovich, P. X. Shen, Xiao Cai, Y. Hu, A. Pathak, Zhiqing Zhang, Z. P. Mao, Y. F. Liang, T. Liu, J. F. Qiu, F. Feldbauer, Li Zhou, Y. Y. Ji, P. Kiese, Yuan Hou, R. A. Briere, X. S. Jiang, Feng Liu, M. Ablikim, Xiaoyu Li, Wei Xu, L. Fava, S. X. Du, P. Adlarson, Ch. Rosner, Zhi Yang, Yuguang Xie, B. Wang, J. Zhang, Xiao-Rui Lyu, M. Kavatsyuk, Andrzej Kupsc, M. Ye, H. C. Shi, Z. Liu, B. X. Zhang, F. X. Lu, X. S. Qin, J. Q. Li, A. Q. Guo, Wen-Zhao Liu, J. Bloms, N. Hüsken, J. F. Shangguan, Muhammad Irshad, Y. D. Wang, W. L. Chang, X. Y. Ma, H. Leithoff, T. T. Han, S. J. Zhao, Q. J. Xu, X. D. Zhang, A. Bortone, Xuanhong Lou, Viktor Thorén, Nasser Kalantar-Nayestanaki, Yue Pan, I. Balossino, Haiwen Liu, G. F. Chen, J. Y. Zhang, M. G. Zhao, X. X. Ma, J. Zhu, X. F. Wang, P. W. Luo, L. K. Li, V. Rodin, X. B. Ji, S. Maldaner, P. Patteri, G. Wilkinson, W. S. Cheng, Yao Zhang, G. Li, J. L. Liu, C. D. Fu, C. Q. Feng, X. R. Chen, Z. Y. Deng, Hai-Tian Wang, Xingguo Li, R. Kliemt, A. Mangoni, A. Guskov, S. Nakhoul, Jie Yu, G. Cibinetto, Energy and Sustainability Research Institute Groni, and Research unit Nuclear & Hadron Physics
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Muon, epton flavor violating decay, Number, 01 natural sciences, J/Psi, NO, 0103 physical sciences, epton flavor violating decay, electron-positron collider, J/Psi, electron-positron collider, High Energy Physics::Experiment, ddc:530, 010306 general physics, Flavor, Higgs, Lepton
Abstract: A search for the charged lepton flavor violating decay J/ψ→e±τ∓ with τ∓→π∓π0ντ is performed with about 10×109 J/ψ events collected with the BESIII detector at the BEPCII. No significant signal is observed, and an upper limit is set on the branching fraction B(J/ψ→e±τ∓)<7.5×10−8 at the 90% confidence level. This improves the previously published limit by two orders of magnitude.
Published: 2021

76. Statistical Behavior of Lepton Pair Spectrum in the Drell-Yan Process and Signal from Quark-Gluon Plasma in High-Energy Collisions

Author: Fu-Hu Liu and Xu-Hong Zhang
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, Nuclear Theory, Article Subject, QC1-999, Erlang distribution, MathematicsofComputing_GENERAL, FOS: Physical sciences, Probability density function, 01 natural sciences, High Energy Physics - Experiment, Convolution, Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Invariant mass, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Drell–Yan process, High Energy Physics - Phenomenology, Quark–gluon plasma, High Energy Physics::Experiment, Lepton
Abstract: We analyze the transverse momentum ($p_{T}$) spectra of lepton pairs ($\ell\bar \ell$) generated in the Drell-Yan process, as detected in proton-nucleus (pion-nucleus) and proton-(anti)proton collisions by ten collaborations over a center-of-mass energy ($\sqrt{s_{NN}}$ or $\sqrt{s}$ if in a simplified form) range from $\sim20$ GeV to above 10 TeV. Three types of probability density functions (the convolution of two L\'{e}vy-Tsallis functions, the two-component Erlang distribution, and the convolution of two Hagedorn functions) are utilized to fit and analyze the $p_{T}$ spectra. The fit results are approximately in agreement with the collected experimental data. Consecutively, we obtained the variation law of related parameters as a function of $\sqrt{s}$ and invariant mass ($Q$). In the fit procedure, a given L\'{e}vy-Tsallis (or Hagedorn) function can be regarded as the probability density function of transverse momenta contributed by a single quark ($q$) or anti-quark ($\bar q$). The Drell-Yan process is then described by the statistical method., Comment: 19 pages, 7 figures. Advances in High Energy Physics, accepted
Published: 2021

77. Measurement of the D → K− π+ π+ π− and D → K− π+ π0 coherence factors and average strong-phase differences in quantum-correlated DD¯ decays

Author: A. Lavania, H. B. Liu, Y. Ding, X. Wang, F. De Mori, D. Y. Liu, J. B. Jiao, N. Hüsken, J. Libby, Yaquan Fang, L. Q. Qin, H. J. Wang, W. Imoehl, G. Y. Tang, P. T. Ge, J. H. Zou, T. Y. Qi, Jie Zhao, J. L. Zhang, F. F. Sui, H. M. Hu, M. Himmelreich, B. J. Liu, T. Y. Xing, D. Y. Chen, R. Aliberti, F. Nerling, J. Tang, Y. L. Fan, Meng Wang, W. H. Wang, S. H. Zhu, M. H. Gu, R. Kiuchi, T. Yu, X. K. Zhou, P. P. Su, J. H. Yin, S. S. Sun, Wenbin Qian, W. Kühn, X. Y. Zhou, Lei Zhang, Y. G. Gao, Yunlong Zhang, I. Uman, Z. J. Chen, F. Feldbauer, Z. Y. You, Y. X. Zhao, Y. H. Xie, Y. T. Tian, John Jake Lane, M. Shao, Y. T. Gu, M. H. Liu, C. X. Yue, H. B. Jiang, S. Jaeger, Z. A. Zhu, W. C. Yan, Feng Liu, P. Larin, K. Ravindran, D. Bettoni, M. Greco, Zongyuan Wang, Jiawei Zhang, Guoqiang Yu, C. X. Yu, K. Schoenning, B. S. Zou, M. Ablikim, Xiaoyu Li, Jie Feng, M. Maggiora, Ling Zhao, R. Poling, Tong Zhu, R. E. Mitchell, C. P. Shen, B. Zheng, R. G. Ping, Niklaus Berger, Yi Zhang, Magnus Wolke, Jianping Zheng, Y. F. Liang, Z. H. Lei, F. Weidner, Q. Ouyang, Q. M. Ma, K. Y. Liu, Lei Zhao, Z. L. Hou, A. Sarantsev, D. H. Wei, Y. C. Zhu, Y. Schelhaas, R. P. Guo, S. Q. Qu, W. Ikegami Andersson, L. J. Wu, X. Wu, W. Gradl, Y. H. Zheng, Xujin Yuan, J. S. Lange, Tao Luo, S. S. Fang, C. Y. Guan, P. W. Luo, I. B. Nikolaev, J. F. Shangguan, Muhammad Irshad, Xiangcheng Pan, X. Liu, S. Nisar, T. J. Min, I. Garzia, Y. J. Mo, X. P. Qin, Y. K. Heng, R. E. de Boer, Y. D. Wang, Y. B. Liu, S. B. Liu, Y. Yuan, W. B. Yan, A. Calcaterra, Z. G. Zhao, P. Kiese, Yuan Hou, L. Z. Liao, J. J. Zhang, T. Held, M. Destefanis, K. Peters, H. Y. Zhang, Y. Y. Wang, Y. X. Song, D. Y. Wang, M. Fritsch, L. Zhang, Y. Nefedov, Haiwen Liu, R. A. Briere, Serkant Ali Cetin, H. H. Zhang, X. S. Jiang, Hao Liang, B. X. Yu, Q. P. Ji, X. L. Luo, H. J. Lu, J. G. Lu, Jianhao Zhang, G. F. Chen, Peilian Liu, S. Pacetti, F. A. Harris, W. L. Chang, C. Z. Yuan, N. Cao, X. H. Mo, Y. X. Tan, L. L. Ma, C. Dong, X. Y. Shen, Wei Xu, S. Sosio, M. Lellmann, J. Y. Zhang, Ke Liu, M. H. Ye, Zhiyong Zhang, H. Leithoff, L. K. Li, H. K. Sun, V. Rodin, F. E. Maas, T. Hu, S. Qian, Q. An, Jialun Ping, Andrzej Kupsc, A. Amoroso, K. Begzsuren, Jiaming Li, H. B. Li, P. Adlarson, Cong-Feng Qiao, A. G. Denig, C. L. Luo, F. Bianchi, F. Li, Q. A. Malik, G. Mezzadri, F. C. Ma, Y. H. Tan, Ke Li, X. Y. Zhang, X. B. Ji, C. H. Heinz, X. L. Wang, L. L. Wang, H. Cai, M. Albrecht, Q. Zhou, A. Dbeyssi, Joachim Pettersson, M. L. Chen, Y. F. Wang, J. Zhao, B. Zhong, L. B. Guo, O. Bakina, K. X. Su, N. Yu. Muchnoi, B. Wang, S. Maldaner, J. Zhang, J. B. Liu, L. Q. Huang, Y. J. Sun, Yifan Yang, Si Li, L. M. Gu, M. N. Achasov, T. T. Han, P. R. Li, W. D. Li, P. Patteri, T. Hussain, Shulei Zhang, Y. H. Zhang, X. Y. Ma, H. S. Chen, M. Kavatsyuk, W. X. Gong, H. C. Shi, Y. P. Lu, Guangshun Huang, S. J. Zhao, P. X. Shen, Y. Ban, P. Weidenkaff, F. H. Heinsius, M. Kuessner, Z. P. Mao, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, F. X. Lu, T. Liu, Z. Wu, J. F. Qiu, A. Pathak, J. L. Li, H. J. Li, H. Li, L. Fava, B. X. Zhang, R. Kliemt, B. Kopf, W. Y. Han, J. Fang, Huanhuan Liu, M. Rolo, A. Mangoni, Angelo Rivetti, C. H. Li, G. Felici, S. P. Wen, Yanping Huang, H. L. Dai, Igor Boyko, Zhi Yang, X. R. Zhou, Z. Y. Wang, L. Gong, A. Guskov, Fang Liu, I. Denysenko, Xu Shan, L. Y. Dong, Tao Sun, X. Dong, S. Nakhoul, Jie Yu, X. S. Qin, Zhiqing Zhang, Q. J. Xu, X. D. Zhang, K. L. He, Ziyi Wang, Cheng Li, Ch. Rosner, F. Cossio, A. Bortone, Xuanhong Lou, Ruiting Ma, Y. P. Guo, K. J. Zhu, Z. Qian, B. C. Ke, M. Z. Wang, M. X. Luo, Dylan Jaide White, Yuyi Wang, D. V. Dedovich, Viktor Thorén, G. Cibinetto, Jimin Zhao, Z. J. Xiao, Shuai Liu, Nasser Kalantar-Nayestanaki, Qi Liu, Ke Wang, W. Y. Sun, Li Yuan, M. Qi, Yue Pan, G. Wilkinson, W. S. Cheng, Yao Zhang, H. J. Yang, G. Li, J. L. Liu, L. D. Liu, C. D. Fu, C. Q. Feng, X. R. Chen, Z. Y. Deng, Hai-Tian Wang, Guangyi Zhang, I. Balossino, X. L. Lu, Xingguo Li, C. X. Liu, D. C. Shan, K. H. Qi, Shan Jin, K. Goetzen, S. Zhang, R. Kappert, L. Koch, A. Khoukaz, G. F. Xu, S. Gu, R. Baldini Ferroli, Y. C. Xu, C. Li, S. Malde, M. G. Zhao, X. X. Ma, J. Zhu, X. F. Wang, J. X. Teng, Haiping Peng, Z. Ning, S. Y. Xiao, J. F. Sun, L. Yan, S. Marcello, Xiao-Rui Lyu, Y. Zeng, W. J. Zhu, Jinfei Wu, J. Q. Li, A. Q. Guo, Wen-Zhao Liu, Zhe Sun, J. Bloms, X. L. Ji, G. A. Chelkov, S. Lusso, L. Yang, X. S. Kang, A. Yuncu, Y. G. Xie, Y. Hu, Li Zhou, W. M. Song, Y. Y. Ji, S. X. Du, Zhiqing Liu, X. H. Xie, T. Johansson, J. F. Chang, Y. B. Chen, O. B. Kolcu, J. Z. Zhang, H. R. Qi, Yu-Xiao Liu, X. Cai, H. S. Sang, J. J. Song, L. Sun, S. Ahmed, Y. X. Yang, X. Q. Hao, Yan Zhang, Jiangqiao Hu, Xu Yan, R. T. Ma, Q. Zhao, S. F. Zhang, Y. Z. Sun, Xiang Zhou, I. K. Keshk, C. X. Lin, Alexander Leon Gilman, M. Rump, Gang Zhao, M. Kuemmel, Matthew Glenn Kurth, T. Holtmann, W. Shan, L. Lavezzi, J. Y. Liu, X. F. Cui, Feng Yan, R. Farinelli, Stephen Lars Olsen, H. L. Ma, T. Lenz, D. M. Li, Libo Zhang, Z. Y. Yuan, M. Pelizaeus, Evelina Gersabeck, C. W. Wang, G. Rong, W. P. Wang, Z. H. Qin, H. Qi, W. G. Li, Y. K. Sun, Z. Huang, S. Spataro, X. P. Xu, Lei Li, G. F. Cao, X D Shi, Y. J. Mao, H. X. Yang, Huihui Liu, J. G. Messchendorp, X. D. Shi, S. L. Yang, X. Sun, G. R. Liao, Z. X. Meng, X. H. Bai, A. A. Zafar, Christoph Herold, K. H. Rashid, M. M. Ma, Y. T. Liang, M. R. An, Y. Zhang, S. J. Chen, G. X. Sun, H. Xiao, Ziyuan Li, Z. Jiao, Fu-Hu Liu, V. Prasad, C. Geng, R. S. Shi, L. H. Wu, Zujian Wang, Y. Bai, Y. B. Zhao, J. Dong, Yi Jin, C. J. Tang, Z. A. Liu, L. Xia, S. Janchiv, X. H. Li, L. Wollenberg, M. Scodeggio, Xingchao Dai, C. Zhong, Jianyu Zhang, C. F. Redmer, J. D. Lu, C. Schnier, Y. Q. Wang, A. Zhemchugov, X. T. Huang, M. Bertani, M. Y. Dong, Energy and Sustainability Research Institute Groni, and Nuclear Energy
Subjects: Nuclear and High Energy Physics, Particle physics, Meson, +K-+pi%2B+pi0%22">D0 --> K- pi+ pi0, Phase (waves), e+-e− Experiments, BELLE, QC770-798, annihilation [electron positron], CKM angle gamma, 01 natural sciences, Luminosity, NO, +K-+2pi%2B+pi%22">D0 --> K- 2pi+ pi, Subatomär fysik, phase space, Nuclear and particle physics. Atomic energy. Radioactivity, 0103 physical sciences, Subatomic Physics, ddc:530, 010306 general physics, Quantum, hadronic decay [D0], electroproduction [psi(3770)], Charm physics, Physics, e+-e- Experiments, BES, Unitarity, 010308 nuclear & particles physics, pair production [D0], e +-e − Experiments, Observable, Beijing Stor, State (functional analysis), Charm physics, e+-e− Experiments, CKM angle gamma, LHC-B, coherence, +D0+anti-D0%22">psi(3770) --> D0 anti-D0, e-e Experiments, colliding beams [electron positron], charm, statistical, unitarity [CKM matrix], experimental results, Coherence (physics)
Abstract: The decays D → K−π+π+π− and D → K−π+π0 are studied in a sample of quantum-correlated $$ D\overline{D} $$ D D ¯ pairs produced through the process e+e− → ψ(3770) → $$ D\overline{D} $$ D D ¯ , exploiting a data set collected by the BESIII experiment that corresponds to an integrated luminosity of 2.93 fb−1. Here D indicates a quantum superposition of a D0 and a $$ {\overline{D}}^0 $$ D ¯ 0 meson. By reconstructing one neutral charm meson in a signal decay, and the other in the same or a different final state, observables are measured that contain information on the coherence factors and average strong-phase differences of each of the signal modes. These parameters are critical inputs in the measurement of the angle γ of the Unitarity Triangle in B− → DK− decays at the LHCb and Belle II experiments. The coherence factors are determined to be RK3π = $$ {0.52}_{-0.10}^{+0.12} $$ 0.52 − 0.10 + 0.12 and $$ {R}_{K{\pi \pi}^0} $$ R K ππ 0 = 0.78 ± 0.04, with values for the average strong-phase differences that are $$ {\delta}_D^{K3\pi }=\left({167}_{-19}^{+31}\right){}^{\circ} $$ δ D K 3 π = 167 − 19 + 31 ° and $$ {\delta}_D^{K{\pi \pi}^0}=\left({196}_{-15}^{+14}\right){}^{\circ} $$ δ D K ππ 0 = 196 − 15 + 14 ° , where the uncertainties include both statistical and systematic contributions. The analysis is re-performed in four bins of the phase-space of the D → K−π+π+π− to yield results that will allow for a more sensitive measurement of γ with this mode, to which the BESIII inputs will contribute an uncertainty of around 6°.
Published: 2021

78. Transverse momentum spectra of heavy baryons and mesons in forward rapidity range in small collision system at the LHC

Author: Fu-Hu Liu and Li-Na Gao
Subjects: 010302 applied physics, Physics, Particle physics, Large Hadron Collider, Meson, Nuclear Theory, High Energy Physics::Phenomenology, Tsallis statistics, General Physics and Astronomy, 01 natural sciences, Spectral line, Baryon, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, Nucleon, Energy (signal processing)
Abstract: The transverse momentum spectra of $$\varLambda ^+_c$$ baryons and $$D^0$$ mesons produced in proton–lead (p–Pb) collisions at the center-of-mass energy per nucleon pair $$\sqrt{s_{NN}}=5\,{\text {TeV}}$$ (more exactly 5.02 TeV), $$D^0+{\bar{D}}^0$$ , $$D^++D^-$$ , $$D^+_s+D^-_s$$ , and $$D^{*+}+D^{*-}$$ (exactly $$D^*(2010)^++D^*(2010)^-$$ ) mesons produced in proton–proton (pp) collisions at the center-of-mass energy $$\sqrt{s}=5$$ and 13 TeV, $$\varLambda ^0_b$$ baryons and $${\bar{B}}^0$$ mesons produced in pp collisions at $$\sqrt{s}=7$$ and 8 TeV, as well as $$B^++B^-$$ mesons produced in pp collisions at $$\sqrt{s}=7$$ and 13 TeV measured by the LHCb collaboration in forward (backward) rapidity range are described by two models. The first model is based on the superposition of two Schwinger mechanisms, and the second one is based on the superposition of Tsallis statistics and inverse power law. The experimental data are fitted by the two two-component models. Then, the free parameters which depend on rapidity are extracted and analyzed.
Published: 2019

79. Pseudorapidity dependence of the p T spectra of charged hadrons in pp collisions at s = 0.9 and 2.36 TeV

Author: Pei-Pin Yang, M Ajaz, M Waqas, Fu-Hu Liu, and M K Suleymanov
Subjects: High Energy Physics - Phenomenology, Nuclear and High Energy Physics, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment
Abstract: We report the predictions of different Monte Carlo event generators including HIJING, Pythia, and QGSJETII in comparison with the experimental data measured by the CMS Collaboration at CERN in proton-proton ($pp$) collisions at center-of-mass energy $\sqrt{s}$ = 0.9 and 2.36 TeV. The CMS experimental transverse momentum ($p_T$ or $p_{\perp}$) spectra of charged hadrons were measured for pseudorapidity range 0 $\le$ $\eta$ $\le$ 2.4 with bin width of $\eta$ = 0.2 (for $p_T$ from 0.1 to 2 GeV/$c$) and a single bin of $\eta$ for $\lvert$$\eta$$\rvert$ $, Comment: 18 pages, 7 figures, 4 tables
Published: 2022

80. Observation of a Near-Threshold Structure in the K+ Recoil-Mass Spectra in e+e−→K+(Ds−D0+Ds−D0)

Author: X. Wang, F. De Mori, R. Farinelli, Xujin Yuan, Meng Wang, S. B. Liu, Y. Nefedov, Stephen Lars Olsen, G. Y. Tang, H. L. Ma, T. Lenz, D. M. Li, Z. Y. Yuan, Q. M. Ma, M. Pelizaeus, J. Libby, Yaquan Fang, C. W. Wang, G. Rong, Jie Zhao, Alexey Zhemchugov, H. M. Hu, A. Pitka, W. M. Song, Zhiqing Liu, Y. Schelhaas, M. Kuemmel, Matthew Glenn Kurth, W. Shan, X. F. Cui, Y. X. Zhao, Y. H. Xie, X. N. Ma, Y. Yuan, F. Li, F. C. Ma, M. Kavatsyuk, John Jake Lane, Guoqiang Yu, W. P. Wang, H. C. Shi, H. Li, L. Koch, A. Khoukaz, B. X. Zhang, A. Calcaterra, Z. G. Zhao, L. Z. Liao, K. Schoenning, Z. H. Qin, T. Johansson, J. F. Chang, M. Maggiora, Ling Zhao, T. Holtmann, L. Lavezzi, H. H. Zhang, B. S. Zou, J. Y. Liu, X. Liu, H. Qi, X D Shi, Niklaus Berger, J. W. Zhang, R. Aliberti, Q. A. Malik, G. Mezzadri, Y. J. Mao, Fang Liu, Evelina Gersabeck, O. B. Kolcu, Lei Zhao, Z. L. Hou, H. X. Yang, W. J. Zhu, X. D. Shi, Zongyuan Wang, T. Liu, H. R. Qi, Yu-Xiao Liu, X. Cai, R. Baldini Ferroli, L. M. Gu, P. R. Li, H. J. Lu, I. Denysenko, F. Feldbauer, J. F. Qiu, Feng Liu, M. Ablikim, Q. Liu, Y. B. Zhao, Y. C. Xu, C. Li, J. F. Sun, M. Lellmann, S. Maldaner, L. Fava, Zhi Yang, X. Q. Hao, Huihui Liu, Feng Yan, Z. P. Mao, Shuai Liu, J. G. Lu, Serkant Ali Cetin, L. Q. Qin, M. Bertani, Z. H. Lei, S. Marcello, F. Weidner, J. Dong, S. Malde, L. L. Ma, Y. Zeng, Yan Zhang, X. S. Qin, Jiangqiao Hu, C. Dong, M. Z. Wang, S. Sosio, J. G. Messchendorp, H. B. Li, Zhe Sun, S. Lusso, C. Z. Yuan, N. Cao, J. J. Xu, Guangyi Zhang, A. G. Denig, C. L. Luo, J. Fang, Q. Zhou, A. Amoroso, Q. Ouyang, Y. Ding, S. Ahmed, Y. X. Yang, M. Y. Dong, X. H. Xie, B. J. Liu, S. S. Fang, C. Y. Guan, S. Nisar, C. J. Tang, H. K. Sun, H. Y. Zhang, Xu Yan, R. T. Ma, J. X. Teng, Y. B. Chen, A. Dbeyssi, Magnus Wolke, Ch. Rosner, Y. F. Liang, B. Zhong, L. B. Guo, H. B. Liu, S. H. Zhu, Xiaofeng Zhu, J. Z. Zhang, Haiping Peng, T. Yu, Y. P. Lu, P. W. Luo, Y. B. Liu, F. E. Maas, T. Hu, H. S. Sang, L. Sun, X. K. Zhou, Joachim Pettersson, S. Qian, J. H. Zou, Angelo Rivetti, C. H. Li, Q. An, Jialun Ping, Q. Zhao, Y. Z. Sun, S. F. Zhang, Haiwen Liu, H. Muramatsu, R. B. de Boer, T. Y. Xing, D. Y. Chen, A. N. Zhu, Ulrich Wiedner, W. Yuan, W. G. Li, S. S. Sun, Y. K. Sun, Z. Huang, H. Liang, Ke Wang, W. Y. Sun, X. Y. Zhang, I. K. Keshk, X. Y. Jiang, Muhammad Irshad, Krisztian Peters, J. Tang, C. X. Lin, H. B. Jiang, G. F. Chen, Yanping Huang, Li Yuan, O. Bakina, Jiawei Zhang, X. L. Luo, Wenbin Qian, Q. P. Ji, S. Spataro, X. P. Xu, X. L. Wang, M. M. Ma, Xu Shan, Y. G. Gao, M. Rump, Gang Zhao, S. L. Yang, H. J. Li, Y. D. Wang, W. Kühn, I. Uman, X. Zhou, Y. Fu, R. E. Mitchell, Z. Y. You, Z. A. Zhu, W. C. Yan, Yunlong Zhang, L. Gong, M. Fritsch, M. H. Liu, K. Begzsuren, X. Sun, Lei Li, D. Bettoni, Xiao-Rui Lyu, P. X. Shen, Z. Wu, Z. Ning, S. Y. Xiao, F. A. Harris, S. Nakhoul, W. L. Chang, M. X. Luo, Dylan Jaide White, Yuyi Wang, W. B. Yan, L. K. Li, F. Bianchi, B. C. Ke, Si Li, Ke Liu, S. Jaeger, D. V. Dedovich, R. Poling, M. N. Achasov, Z. J. Xiao, W. Gradl, S. Pacetti, G. F. Cao, J. B. Liu, Y. Zhang, J. Y. Zhang, V. Rodin, P. Larin, Jianping Zheng, Zhiqing Zhang, H. Leithoff, G. X. Sun, H. Xiao, Ziyuan Li, N. Huesken, Tao Luo, Hui Wang, C. P. Shen, Y. H. Zheng, Y. X. Song, D. Y. Wang, M. Qi, Y. H. Tan, Ke Li, Z. Jiao, Fu-Hu Liu, L. J. Wu, X. Wu, T. J. Min, B.-A. Shi, Y. J. Mo, X. B. Ji, Y. J. Sun, Yifan Yang, B. X. Yu, L. Yan, M. Kuessner, Huanhuan Liu, R. S. Shi, G. Felici, K. Y. Liu, I. Garzia, J. J. Zhang, H. J. Yang, Jinfei Wu, M. Destefanis, P. Patteri, Shulei Zhang, W. H. Wang, Zujian Wang, Y. Bai, H. S. Chen, G. S. Huang, Andrzej Kupsc, Tao Sun, X. Dong, Z. Liu, M. L. Chen, G. A. Chelkov, J. L. Li, H. L. Dai, Igor Boyko, Y. C. Zhu, X. H. Li, L. Wollenberg, R. Kliemt, J. Q. Li, A. Q. Guo, Wen-Zhao Liu, X. L. Lu, M. Rolo, F. X. Lu, D. Y. Liu, Xingchao Dai, A. Mangoni, X. Y. Shen, A. Guskov, J. B. Jiao, D. C. Shan, Jie Yu, M. Himmelreich, J. Bloms, F. Cossio, Ruiting Ma, Y. P. Guo, K. J. Zhu, Z. Qian, G. Cibinetto, B. Kopf, T. Held, K. L. He, Ziyi Wang, X. L. Ji, G. Wilkinson, Jimin Zhao, T. Y. Qi, W. S. Cheng, Yao Zhang, M. G. Zhao, Y. H. Yang, X. X. Ma, J. Zhu, X. F. Wang, P. L. Li, G. Li, A. Gilman, L. Yang, C. D. Fu, A. Yuncu, C. Q. Feng, T. T. Han, X. R. Chen, X. S. Kang, Z. Y. Deng, Hai-Tian Wang, S. J. Zhao, Y. G. Xie, Y. Hu, Xingguo Li, Li Zhou, Q. J. Xu, X. D. Zhang, S. X. Du, W. Imoehl, A. Bortone, Xuanhong Lou, Viktor Thorén, M. Albrecht, Nasser Kalantar-Nayestanaki, W. D. Li, Yue Pan, I. Balossino, Ying Jiang, Cong-Feng Qiao, N. Yu. Muchnoi, Y. H. Zhang, M. H. Ye, Z. Y. Wang, L. Y. Dong, C. H. Heinz, Y. Ban, P. Weidenkaff, F. H. Heinsius, F. Nerling, S. P. Wen, X. R. Zhou, Cheng Li, Xiangcheng Pan, Y. K. Heng, X. H. Mo, Y. X. Tan, Zhiyong Zhang, L. L. Wang, H. Cai, L. Q. Huang, J. L. Zhang, Jacek Biernat, I. B. Nikolaev, F. F. Sui, M. H. Gu, R. Kiuchi, J. H. Yin, Lei Zhang, M. Shao, Y. T. Gu, R. Kappert, Z. J. Chen, C. X. Yue, C. X. Yu, B. Zheng, R. G. Ping, M. Scodeggio, A. Sarantsev, D. H. Wei, J. S. Lange, G. F. Xu, Anita, S. Gu, L. D. Liu, C. X. Liu, V. Prasad, L. H. Wu, K. H. Qi, Shan Jin, K. Goetzen, Yi Jin, L. Xia, S. Zhang, Y. J. Xiao, S. Janchiv, C. Zhong, Jianyu Zhang, C. F. Redmer, J. D. Lu, C. Schnier, Y. Q. Wang, P. Kiese, Yuan Hou, X. T. Huang, R. A. Briere, Z. X. Meng, X. H. Bai, A. A. Zafar, X. S. Jiang, Christoph Herold, K. H. Rashid, Y. T. Liang, S. J. Chen, R. X. Yang, Wei Xu, P. Adlarson, Y. F. Wang, J. Zhao, K. X. Su, T. Hussain, X. Y. Ma, W. X. Gong, A. Pathak, J. Q. Zhang, K. Ravindran, M. Greco, Tong Zhu, Yi Zhang, R. P. Guo, S. Q. Qu, and W. Ikegami Andersson
Subjects: Physics, Particle physics, Annihilation, Meson, General Physics and Astronomy, Resonance, Strangeness, 01 natural sciences, Luminosity, Recoil, 0103 physical sciences, Mass spectrum, Tetraquark, 010306 general physics
Abstract: We report a study of the processes of e^{+}e^{-}→K^{+}D_{s}^{-}D^{*0} and K^{+}D_{s}^{*-}D^{0} based on e^{+}e^{-} annihilation samples collected with the BESIII detector operating at BEPCII at five center-of-mass energies ranging from 4.628 to 4.698 GeV with a total integrated luminosity of 3.7 fb^{-1}. An excess of events over the known contributions of the conventional charmed mesons is observed near the D_{s}^{-}D^{*0} and D_{s}^{*-}D^{0} mass thresholds in the K^{+} recoil-mass spectrum for events collected at sqrt[s]=4.681 GeV. The structure matches a mass-dependent-width Breit-Wigner line shape, whose pole mass and width are determined as (3982.5_{-2.6}^{+1.8}±2.1) MeV/c^{2} and (12.8_{-4.4}^{+5.3}±3.0) MeV, respectively. The first uncertainties are statistical and the second are systematic. The significance of the resonance hypothesis is estimated to be 5.3 σ over the contributions only from the conventional charmed mesons. This is the first candidate for a charged hidden-charm tetraquark with strangeness, decaying into D_{s}^{-}D^{*0} and D_{s}^{*-}D^{0}. However, the properties of the excess need further exploration with more statistics.
Published: 2021

81. Model-Independent Determination of the Spin of the Ω− and Its Polarization Alignment in ψ(3686)→Ω−Ω¯+

Author: K. Goetzen, R. Kappert, G. F. Xu, S. Jin, Anita, S. Gu, S. Lusso, L. D. Liu, J. J. Xu, K. Zhu, H. J. Lu, M. M. Ma, Q. A. Malik, Y. Fu, G. Mezzadri, M. X. Luo, Dylan Jaide White, B. Kopf, R. Farinelli, Qi Liu, D. V. Dedovich, Tao Luo, G. Felici, F. Li, J. Fang, F. E. Maas, T. Hu, Xujin Yuan, F. De Mori, Si Li, L. H. Wu, B. X. Yu, M. Kuessner, P. L. Li, W. B. Yan, M. N. Achasov, Y. C. Zhu, Z. L. Huang, A. Pitka, M. H. Ye, K. L. He, F. C. Ma, A. G. Denig, G. X. Sun, J. V. Bennett, Li Yan, H. L. Ma, J. B. Zhao, Q. P. Ji, M. Ablikim, K. Wang, S. Pacetti, L. M. Gu, L. P. Zhou, Y. F. Long, K. Ravindran, X. N. Ma, I. R. Boyko, J. L. Li, S. L. Yang, Xu Yan, Yi Jin, M. G. Zhao, Y. H. Yang, J. Zhu, Z. Jiao, Fu-Hu Liu, W. S. Cheng, D. M. Li, G. Li, X. H. Mo, Y. Nefedov, H. Xiao, H. B. Li, C. Y. Guan, Tao Sun, H. S. Chen, Alperen Yuncu, M. Rolo, S. H. Zhang, O. Bakina, Y. M. Ma, Z. P. Mao, Y. B. Zhao, H. Muramatsu, A. Khoukaz, Q. Zhou, N. Huesken, Y. H. Tan, Xiangcheng Pan, G. A. Chelkov, L. Q. Qin, H. L. Dai, Dong E. Liu, X. H. Li, L. Wollenberg, S. Spataro, A. Gilman, T. Y. Qi, Y. J. Xiao, B. Zhong, L. B. Guo, R. B. de Boer, J. Dong, C. D. Fu, Y. Ding, Xingchao Dai, P. X. Shen, Z. Wu, M. Pelizaeus, Shensheng Han, Q. M. Ma, L. Y. Dong, B. J. Liu, S. Janchiv, X. Liu, Zhenxiong Yuan, L. Koch, A. N. Zhu, Tao Zhang, Y. G. Xie, C. Q. Feng, G. F. Chen, M. Himmelreich, X. R. Chen, Y. Hu, S. Ahmed, T. Y. Xing, D. Y. Chen, C. F. Redmer, R. P. Guo, S. Q. Qu, F. Cossio, Z. B. Li, W. Ikegami Andersson, T. Liu, J. F. Qiu, Ch. Rosner, Lei Li, L. Fava, W. M. Song, J. H. Zou, S. Nisar, W. Kühn, Z. Y. Deng, Hai-Tian Wang, R. Baldini Ferroli, Xu Shan, M. Maggiora, Ling Zhao, Ruiting Ma, Y. P. Guo, C. Zhong, Z. Qian, S. X. Du, F. Weidner, M. Bertani, C. J. Tang, Y. Yuan, S. S. Sun, Z. Y. You, L. Z. Liao, Zhi Yang, P. Kiese, H. Liang, Yuan Hou, Z. A. Zhu, F. Nerling, C. Li, Krisztian Peters, W. L. Yuan, Lei Zhao, M. Kuemmel, Matthew Glenn Kurth, Q. Ouyang, W. Shan, Y. P. Lu, W. H. Wang, S. H. Zhu, S. Malde, R. A. Briere, M. Albrecht, J. F. Hu, M. Z. Wang, Z. L. Hou, A. Calcaterra, Xiao-Rui Lyu, Lingxuan Zhang, R. E. Mitchell, Magnus Wolke, Y. F. Liang, C. X. Lin, A. Q. Guo, J. Tang, D. Bettoni, Jianping Zheng, B. Wang, W. X. Gong, J. D. Lu, C. Schnier, X. T. Huang, G. Rong, Z. X. Meng, X. A. Xiong, B. C. Ke, A. A. Zafar, Q. Zhao, I. K. Keshk, X. F. Cui, L. L. Ma, L. Gong, L. G. Xia, G. S. Huang, Evelina Gersabeck, Y. K. Heng, T. T. Han, S. J. Zhao, P. W. Luo, C. P. Shen, S. S. Fang, T. Yu, Y. B. Liu, X. K. Zhou, T. Held, C. Z. Yuan, N. Cao, G. F. Cao, X. S. Jiang, C. W. Wang, Wei Xu, H. B. Jiang, M. Irshad, W. Gradl, Haiping Peng, X. P. Qin, U. Wiedner, I. Denysenko, C. X. Liu, H. H. Zhang, W. J. Zhu, Xin Wu, M. Lellmann, S. Maldaner, W. D. Li, B. T. Tsednee, Dan Wang, J. Bloms, M. Fritsch, M. Kavatsyuk, H. C. Shi, A. Amoroso, J. F. Sun, Wenbin Qian, Y. X. Song, M. Qi, H. J. Yang, W. Y. Sun, Shuai Liu, A. Dbeyssi, Z. H. Qin, B. X. Zhang, S. Marcello, K. Y. Liu, I. Uman, Guangyi Zhang, Y. Zeng, I. Garzia, Zhe Sun, V. Rodin, R. Poling, X D Shi, R. S. Shi, P. Adlarson, S. Nakhoul, Y. J. Mao, J. Libby, X. L. Lu, Yaquan Fang, M. Greco, J. L. Zhang, M. Destefanis, Z. Ning, S. Jaeger, S. Y. Xiao, M. Rump, Gang Zhao, X. L. Gao, X. P. Xu, X. B. Ji, M. H. Gu, K. H. Rashid, Y. B. Chen, R. Kiuchi, K. Begzsuren, P. Larin, Zujian Wang, Xiaofeng Zhu, Y. Bai, D. C. Shan, J. J. Song, C. Dong, S. Sosio, Y. F. Wang, L. Sun, F. Bianchi, C. X. Yu, T. Holtmann, Q. J. Xu, J. G. Messchendorp, Joachim Pettersson, P. Patteri, G. Y. Tang, J. P. Dai, F. F. Sui, H. Cai, X. H. Xie, B. Zheng, R. G. Ping, J. L. Ping, A. Bortone, Alexey Zhemchugov, H. M. Hu, Z. A. Liu, Xuanhong Lou, John Jake Lane, Viktor Thorén, Guoqiang Yu, L. Q. Huang, V. Prasad, Nasser Kalantar-Nayestanaki, Y. Ban, P. Weidenkaff, S. J. Chen, Jacek Biernat, C. L. Luo, I. B. Nikolaev, S. P. Wen, T. Hussain, R. Kliemt, K. Schoenning, Y. Gao, B. S. Zou, G. Wilkinson, Niklaus Berger, Yue Pan, I. Balossino, Y. Schelhaas, J. H. Yin, M. Shao, Y. T. Gu, Y. Zhang, Jinfei Wu, A. Pathak, A. Mangoni, Jie Yu, A. Rivetti, T. Johansson, J. F. Chang, Ke Li, A. Sarantsev, D. H. Wei, J. S. Lange, O. B. Kolcu, T. J. Min, X. Cai, L. Lavezzi, G. Cibinetto, X. Q. Hao, X. L. Wang, H. R. Qi, Q. Q. Song, Andrzej Kupsc, M. L. Chen, F. X. Lu, Serkant Ali Cetin, A. Guskov, S. Qian, Q. An, J. B. Liu, Y. J. Sun, W. Imoehl, J. B. Jiao, F. Feldbauer, F. H. Heinsius, F. A. Harris, W. L. Chang, Cong-Feng Qiao, H. Leithoff, N. Yu. Muchnoi, X. S. Kang, S. L. Olsen, and Teresa Lenz
Subjects: Physics, Particle physics, Branching fraction, High Energy Physics::Phenomenology, General Physics and Astronomy, Polarization (waves), Lambda, 01 natural sciences, Helicity, Omega, Amplitude, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Bar (unit), Spin-½
Abstract: We present an analysis of the process $\psi(3686) \to \Omega^- \bar{\Omega}^+$ ($\Omega^-\to K^-\Lambda$, $\bar{\Omega}^+\to K^+\bar{\Lambda}$, $\Lambda\to p\pi^-$, $\bar{\Lambda}\to \bar{p}\pi^+$) based on a data set of $448\times 10^6$ $\psi(3686)$ decays collected with the BESIII detector at the BEPCII electron-positron collider. The helicity amplitudes for the process $\psi(3686) \to \Omega^- \bar{\Omega}^+$ and the decay parameters of the subsequent decay $\Omega^-\to K^-\Lambda$ $(\bar{\Omega}^+\to K^+\bar{\Lambda})$ are measured for the first time by a fit to the angular distribution of the complete decay chain. The branching fraction of $\psi(3686) \to \Omega^- \bar{\Omega}^+$ is measured to be $(5.82\pm 0.12\pm 0.24)\times 10^{-5}$, with an improved precision compared to previous measurements.
Published: 2021

82. Amplitude analysis and branching-fraction measurement of D-s(+) -> K-S(0)pi(+)pi(0)

Author: Z. Ning, S. Y. Xiao, Huanhuan Liu, W. Imoehl, Shan Jin, K. Goetzen, Tao Luo, G. Felici, Y. Ding, H. J. Wang, S. L. Yang, B. Wang, B. J. Liu, X. Sun, L. Yan, R. Farinelli, T. Y. Xing, D. Y. Chen, B. X. Yu, G. R. Liao, Stephen Lars Olsen, H. L. Ma, W. J. Zhu, J. Zhang, W. Kühn, Jinfei Wu, Z. Y. You, Z. A. Zhu, W. C. Yan, T. Lenz, D. M. Li, Shulei Zhang, F. Li, M. Kavatsyuk, F. C. Ma, X. L. Ji, X. Y. Zhu, Y. X. Zhao, Y. H. Xie, G. A. Chelkov, H. C. Shi, Si Li, Guangshun Huang, M. Kuessner, H. S. Chen, M. Maggiora, Ling Zhao, M. G. Zhao, Libo Zhang, Tao Sun, X. Dong, C. Geng, X. X. Ma, J. Zhu, X. F. Wang, Lei Zhao, J. F. Sun, Z. L. Hou, A. Q. Zhang, S. Zhang, L. Yang, R. S. Shi, R. E. de Boer, H. L. Dai, Igor Boyko, C. P. Shen, Z. Y. Yuan, I. Uman, X. H. Li, L. Wollenberg, M. Scodeggio, Xingchao Dai, X. Wang, F. De Mori, Meng Wang, Xu Yan, M. Pelizaeus, B. X. Zhang, M. Albrecht, W. D. Li, M. Qi, Zujian Wang, Y. Bai, S. Marcello, Y. Zeng, Zhe Sun, X. S. Kang, Y. T. Tian, Zongyuan Wang, C. Z. Yuan, N. Cao, Xiangcheng Pan, H. Y. Zhang, Haiwen Liu, G. F. Chen, Y. L. Fan, L. J. Wu, X. Wu, Y. J. Mo, T. Liu, J. F. Qiu, Z. X. Meng, X. H. Bai, X. H. Xie, Y. B. Chen, Y. G. Xie, Y. Hu, Li Zhou, W. M. Song, C. W. Wang, G. Rong, L. Koch, A. Khoukaz, R. Baldini Ferroli, Y. C. Xu, C. Li, H. Liang, I. B. Nikolaev, H. J. Li, L. Fava, Zhi Yang, J. Y. Zhang, M. M. Ma, J. Z. Zhang, Y. Y. Ji, H. S. Sang, J. J. Song, S. X. Du, Fang Liu, L. Sun, F. Feldbauer, S. Malde, X. S. Qin, R. T. Ma, T. Holtmann, L. Lavezzi, J. Y. Liu, M. Z. Wang, H. J. Yang, R. Kappert, Z. H. Lei, F. Weidner, Q. Ouyang, Y. K. Heng, Y. T. Zhang, K. Peters, A. A. Zafar, A. Guskov, M. Fritsch, H. K. Sun, S. Jaeger, Feng Liu, Q. P. Ji, J. X. Teng, S. F. Zhang, T. T. Han, B. C. Ke, X. Y. Zhou, Haiping Peng, S. J. Zhao, G. F. Xu, S. S. Fang, C. Y. Guan, S. Gu, I. Denysenko, M. Ablikim, Xiaoyu Li, X. P. Qin, Xiao-Rui Lyu, Q. M. Ma, Y. F. Wang, J. Zhao, M. Q. Jing, Y. Zhang, Jianhao Zhang, G. X. Sun, H. Xiao, Ziyuan Li, Christoph Herold, X. Y. Shen, Ke Wang, Y. H. Zheng, Cong-Feng Qiao, W. Y. Sun, K. X. Su, Zhiqing Liu, Z. Jiao, Fu-Hu Liu, Y. B. Liu, Li Yuan, X. H. Mo, P. Larin, Y. G. Gao, Q. A. Malik, S. Qian, Q. An, Jialun Ping, G. Mezzadri, Q. J. Xu, X. D. Zhang, Shuai Liu, A. Bortone, Xuanhong Lou, Viktor Thorén, Y. B. Zhao, M. H. Ye, Feng Yan, Y. C. Zhu, T. Johansson, J. F. Chang, W. P. Wang, Peilian Liu, X. L. Luo, Nasser Kalantar-Nayestanaki, Y. X. Tan, W. H. Wang, Y. Yuan, K. H. Rashid, M. Kuemmel, Matthew Glenn Kurth, Zhiyong Zhang, L. Gong, J. Q. Li, A. Q. Guo, Wen-Zhao Liu, Z. H. Qin, W. Shan, T. Hussain, J. Dong, X. Y. Ma, Xujin Yuan, X. F. Cui, N. Yu. Muchnoi, Yue Pan, Y. H. Zhang, X. L. Lu, L. M. Gu, M. N. Achasov, P. R. Li, Guangyi Zhang, H. F. Shen, L. D. Liu, O. B. Kolcu, H. Qi, X D Shi, I. Balossino, C. J. Tang, Z. P. Mao, W. X. Gong, K. Begzsuren, H. R. Qi, Yu-Xiao Liu, J. L. Li, F. Bianchi, L. L. Wang, H. Cai, Y. T. Liang, M. R. An, Y. J. Mao, T. Held, S. B. Liu, H. X. Yang, X. Y. Zhang, J. F. Shangguan, Muhammad Irshad, X. L. Wang, J. B. Liu, Y. D. Wang, Y. P. Lu, X. Cai, J. Fang, M. Y. Dong, Z. A. Liu, X. Q. Hao, J. L. Zhang, L. Q. Huang, F. F. Sui, M. H. Gu, J. Bloms, M. Rolo, R. Kiuchi, Z. J. Chen, S. J. Chen, L. Zhang, Y. Nefedov, D. C. Shan, A. Pathak, Evelina Gersabeck, S. Ahmed, Y. X. Yang, Yan Zhang, Jiangqiao Hu, A. Lavania, H. B. Liu, F. A. Harris, W. L. Chang, Ch. Rosner, Z. Y. Wang, J. H. Zou, J. H. Yin, J. Libby, C. X. Yu, Lei Zhang, L. L. Ma, M. Shao, Y. T. Gu, Huihui Liu, X. D. Shi, G. Y. Tang, H. Leithoff, P. T. Ge, Y. J. Sun, Yifan Yang, Yaquan Fang, J. G. Messchendorp, S. S. Sun, W. H. Tian, Z. J. Xiao, B. Zheng, R. G. Ping, C. X. Yue, A. Amoroso, C. H. Heinz, Q. Zhao, Y. Z. Sun, John Jake Lane, H. H. Zhang, Guoqiang Yu, Y. Ban, F. H. Heinsius, K. Schoenning, B. S. Zou, A. Dbeyssi, F. Cossio, W. G. Li, Xiang Zhou, I. K. Keshk, Y. K. Sun, Z. Huang, V. Prasad, Ruiting Ma, Y. P. Guo, B. Kopf, W. Y. Han, K. J. Zhu, Z. Qian, S. P. Wen, S. Spataro, X. R. Zhou, Niklaus Berger, Cheng Li, A. Sarantsev, D. H. Wei, J. S. Lange, Angelo Rivetti, C. H. Li, C. X. Lin, K. L. He, Jie Zhao, X. P. Xu, H. M. Hu, R. E. Mitchell, Alexander Leon Gilman, M. Rump, Gang Zhao, Ziyi Wang, Lei Li, J. Tang, W. B. Yan, P. Kiese, G. F. Cao, Jimin Zhao, T. Y. Qi, L. H. Wu, F. X. Lu, M. H. Liu, S. Pacetti, Y. Schelhaas, L. Y. Dong, D. Bettoni, Yuan Hou, R. Poling, Hui Li, Y. H. Tan, R. Aliberti, Ke Li, Jianping Zheng, M. Bertani, T. J. Min, X. Liu, K. Y. Liu, I. Garzia, J. J. Zhang, M. Destefanis, R. A. Briere, F. Nerling, H. B. Jiang, Yi Jin, Jiawei Zhang, G. Y. Hou, W. Gradl, X. S. Jiang, C. Dong, Andrzej Kupsc, S. Sosio, Y. X. Song, D. Y. Wang, Jiaming Li, X. Zeng Zeng, Joachim Pettersson, L. Q. Qin, L. Xia, M. Himmelreich, Serkant Ali Cetin, M. L. Chen, D. Y. Liu, J. B. Jiao, S. H. Zhu, T. Yu, N. Hüsken, S. Janchiv, Wei Xu, C. Zhong, P. Adlarson, X. K. Zhou, P. P. Su, Wenbin Qian, Jianyu Zhang, C. F. Redmer, J. D. Lu, K. Ravindran, M. Greco, C. Schnier, Y. Q. Wang, Magnus Wolke, Y. F. Liang, Jie Feng, A. Zhemchugov, X. T. Huang, Tong Zhu, R. P. Guo, S. Q. Qu, W. Ikegami Andersson, H. B. Li, H. J. Lu, J. G. Lu, A. G. Denig, C. L. Luo, Q. Zhou, B. Zhong, L. B. Guo, H. Muramatsu, F. E. Maas, A. N. Zhu, Ulrich Wiedner, T. Hu, Yanping Huang, Xu Shan, O. Bakina, M. X. Luo, Dylan Jaide White, Yuyi Wang, D. V. Dedovich, P. X. Shen, S. Nisar, A. Calcaterra, Z. G. Zhao, L. Z. Liao, Z. Wu, Zhiqing Zhang, Y. Y. Wang, M. Lellmann, P. W. Luo, L. K. Li, V. Rodin, X. B. Ji, S. Maldaner, P. Patteri, Qi Liu, G. Wilkinson, W. S. Cheng, Yao Zhang, G. Li, J. L. Liu, C. D. Fu, C. Q. Feng, X. R. Chen, Z. Y. Deng, Hai-Tian Wang, Xingguo Li, R. Kliemt, A. Mangoni, S. Nakhoul, Jie Yu, G. Cibinetto, C. X. Liu, K. H. Qi, Energy and Sustainability Research Institute Groni, and Nuclear Energy
Subjects: Nuclear and High Energy Physics, Analytical chemistry, e+-e− Experiments, +, 01 natural sciences, Branching fraction, Charm physics, e, −, Experiments, NO, Subatomär fysik, Subatomic Physics, 0103 physical sciences, Pi, ddc:530, 010306 general physics, Physics, 010308 nuclear & particles physics, e(+)-e(-) Experiments, Branching fraction, Charm physics, e+-e− Experiments, Amplitude, e-e Experiments
Abstract: Journal of high energy physics 2021(6), 181 (2021). doi:10.1007/JHEP06(2021)181, Published by SISSA, [Trieste]
Published: 2021

83. Study of BESIII trigger efficiencies with the 2018 J/psi data

Author: Zhang Li, H. P. Wang, L. K. Li, S. Lusso, S. Maldaner, L. Koch, J. Pettersson, A. Khoukaz, L. Fava, M. H. Ye, J. Libby, X. Wu, Y. C. Zhu, X. H. Bai, L. Liu, X. D. Zhang, X. Y. Shan, Yaquan Fang, Y. H. Zheng, Y. J. Sun, X. L. Luo, A. G. Denig, T. Hussain, K. Ravindran, M. Shao, Y. J. Mo, Y. Schelhaas, R. Farinelli, G. F. Cao, X. D Shi, C. Zhong, B. Kopf, Y. P. Lu, C. Li, Fang Liu, V. Prasad, M. Z. Wang, Frederick A. Harris, X. Sun, J. Y. Zhao, Y. Pan, I. Denysenko, H. L. Ma, T. Lenz, K. Begzsuren, M. L. Chen, J. Z. Zhao, Y. H. Zhang, Yi Zhang, Ziyi Wang, X. R. Lyu, B. Q. Wang, X. Cai, M. Rolo, L. H. Wu, J. Z. Zhang, S. Marcello, J. F. Chang, Ulrich Wiedner, J. F. Qiu, L. P. Zhou, HR Qi, S. B. Liu, M. Pelizaeus, Z. Y. You, X. C. Dai, R. P. Guo, Xujin Yuan, W.-B. Qian, W. X. Gong, S. Ahmed, Zhi Yang, W. Ikegami Andersson, Y. X. Yang, J. P. Zheng, B. S. Zou, C. Herold, M. Kuessner, L. Z. Liao, L. Q. Huang, L. J. Wu, T. T. Han, Z. H. Qin, L. B. Guo, H T Zhang, J. L. Zhang, P. X. Shen, J. J. Lane, Shuang-Nan Zhang, Tao Luo, J. F. Sun, Yanping Huang, Niklaus Berger, Shuai Liu, G. Mezzadri, K. L. He, P. Kiese, W. G. Li, D. Liu, R. A. Briere, N. Yu. Muchnoi, Y. Nefedov, T. J. Min, Z. Huang, M. Albrecht, Guangyi Zhang, H. Liang, Y. Zeng, J. B. Liu, Zheng Wang, C. J. Tang, X. Liu, J. L. Ping, K. H. Rashid, Z. Wu, Q. Zhao, Yuanyuan Liu, Q. M. Ma, Y. Z. Sun, Q. P. Ji, Y. Hu, B. X. Yu, Zhe Sun, H. J. Yang, X. S. Jiang, Q. Zhou, L. Sun, Huanhuan Liu, A. Rivetti, M. N. Achasov, Mingming Ma, W. S. Cheng, I. K. Keshk, Liqing Zhang, W. L. Chang, P. T. Ge, E. M. Gersabeck, S. Jaeger, X. H. Xie, W. Xu, T. Liu, D. M. Li, Q. Liu, P. Larin, H. J. Lu, X. P. Xu, F. Weidner, J. B. Jiao, Xu Yan, Jin Li, C. W. Wang, S. Janchiv, J. F. Hu, Shulei Zhang, Y. T. Zhang, T. Y. Xing, H. L. Dai, Yuyi Wang, Gang Zhao, Z. P. Mao, Y. Yuan, J. L. Liu, W. Y. Sun, D. V. Dedovich, M. X. Luo, A. Calcaterra, C. Y Guan, H. J. Wang, T. Johansson, X. Wang, X. Zhou, R. Poling, X. F. Cui, Y. Ding, T. Holtmann, H. S. Sang, H. M. Hu, X. L. Lu, Y. X. Zhao, Y. F. Wang, J. L. Li, Y. G. Gao, J. X. Teng, Z. Y. Wang, H. Cai, Y. Zhang, Lei Li, R. G. Ping, F. E. Maas, T. Hu, Q. An, R. Kappert, M. Kavatsyuk, G. Yu, F. Feldbauer, R. Baldini Ferroli, X. F. Wang, R. Q. Ma, Yi Chen, R. S. Shi, Y. H. Xie, S. Q. Qu, S. S. Fang, S. Sosio, Z. J. Xiao, D. Bettoni, H. Muramatsu, A. A. Zafar, K. Schoenning, Jing Zhao, M. Kuemmel, M. H. Gu, J. Q. Li, A. Q. Guo, Feng Liu, L. L. Ma, Y. D. Wang, Q. A. Malik, B. J. Liu, Igor Boyko, M. Rump, F. Li, G. S. Huang, O. Bakina, T. Yu, W. Y. Han, W. Imoehl, L. Wollenberg, W. Shan, V. Thoren, M. Scodeggio, Z. X. Meng, J. F. Shangguan, L. Q. Qin, C. L. Luo, Ling Zhao, C. F. Qiao, H. M. Liu, T. Y. Qi, Ch. Rosner, D. C. Shan, M. Ablikim, H. Qi, S. F. Zhang, D. Y. Chen, S. X. Du, S. Pacetti, S. S. Sun, Y. H. Tan, M. Greco, L. Gong, M. Himmelreich, A. Pathak, S. Nisar, W. H. Wang, Wei Wang, W. Kühn, H Hüsken, Z. H. Lei, S. J. Zhao, P. Patteri, C. X. Yu, Zongyuan Wang, Lei Zhao, Z. L. Hou, Ming Qi, C. X. Yue, X. S. Kang, A. Dbeyssi, M. Bertani, Y. P. Guo, K. J. Zhu, P. W. Luo, G. X. Sun, Meng Wang, J. H. Feng, L. M. Gu, J. Q. Zhang, M. R. An, Yu Bai, H. Xiao, Q. J. Xu, H. K. Sun, Ke Li, J. Dong, Y. Y. Wang, X. Pan, Z. Y. Zhang, Li Yuan, P. R. Li, B. Zheng, X. Dong, Klaus Peters, Y. B. Liu, Zhiqing Zhang, W. J. Zhu, X. Y. Shen, M. Y. Dong, Z. Jiao, Fu-Hu Liu, Honghao Zhang, G. Wilkinson, I. Balossino, X. Y. Zhang, I. B. Nikolaev, H. Leithoff, R. T. Ma, Y. T. Liang, X. L. Ji, J. Bloms, M. Lellmann, X. H. Li, Xuanhong Lou, Y. K. Sun, X. L. Wang, X. R. Zhou, J. J. Zhang, M. Ye, C. H. Heinz, P. P. Su, Z. A. Liu, A. Kupsc, L. Xia, H. B. Jiang, G. A. Chelkov, Jiawei Zhang, C. Dong, M. G. Zhao, Q. Ouyang, R. E. de Boer, O. B. Kolcu, X. D. Shi, J. D. Lu, C. P. Shen, X. H. Mo, A. Lavania, H. B. Liu, M. Wolke, M. H. Liu, F. Bianchi, M. Fritsch, S. Y. Li, L. Yang, Y. B. Zhao, H. S. Chen, Z. Qian, M. Destefanis, H. C. Shi, Y. G. Xie, J. Y. Liu, S. Y. Xiao, Yongsheng Gao, F. C. Ma, J. H. Zou, M. G. Kurth, D. J. White, T. Sun, W. Gradl, G. Felici, Y. R. Hou, H. Li, C. Z. Yuan, W. D. Li, C. X. Lin, X. X. Ma, T. J. Zhu, G. Y. Tang, J. G. Messchendorp, Yifan Yang, B. X. Zhang, N. Kalantar-Nayestanaki, Ke Liu, L. L. Wang, T. Held, W. C. Yan, Jianyu Zhang, X. Y. Ma, K. X. Su, Y. X. Song, D. Y. Wang, Cheng Li, Y. L. Fan, X. B. Ji, Y. J. Mao, L. Lavezzi, G. F. Xu, V. Rodin, H. X. Yang, X. S. Qin, C. Geng, J. F. Wu, K. Y. Liu, I. Garzia, C. F. Redmer, Z. A. Zhu, C. Schnier, Y. Q. Wang, W. M. Song, Y. Ban, P. Weidenkaff, F. H. Heinsius, J. H. Yin, Lei Zhang, J. Tang, Y. T. Gu, N. Cao, S. Malde, S. Jin, S. Gu, A. Zhemchugov, X. T. Huang, Shi Chen, J. W. Zhang, K. Wang, R. Aliberti, S. H. Zhu, F. Nerling, G. F. Chen, R. E. Mitchell, J. Y. Zhang, A. Sarantsev, F. De Mori, D. H. Wei, J. S. Lange, L. Yan, Huihui Liu, Z. G. Zhao, I. Uman, L. Y. Dong, Y. K. Heng, S. P. Wen, S. L. Yang, A. Bortone, C. Q. Feng, A. N. Zhu, Hong-Lei Li, S. Spataro, X. K. Zhou, J. G. Lu, J. Zhu, A Gilman, F. Cossio, M. Irshad, Zhiqing Liu, F. F. Sui, P. Adlarson, Z. Ning, R. Kiuchi, K. H. Qi, Z. J. Chen, K. Goetzen, J. Fang, F. Yan, X. Q. Hao, W. B. Yan, Zhenxiong Yuan, S. L. Olsen, W. M. Liu, Yan Zhang, S. A. Cetin, Peilian Liu, C. X. Liu, Huaqiao Zhang, R. Kliemt, A. Amoroso, A. Mangoni, A. Guskov, G. Cibinetto, S. Nakhoul, A. Yuncu, Jie Yu, M. Maggiora, Y. Jin, Yao Zhang, G. Li, C. D. Fu, X. R. Chen, Z. Y. Deng, Xingguo Li, G. Rong, W. Wang, F. X. Lu, Y. X. Tan, H. J. Li, C. H. Li, B. C. Ke, H. P. Peng, S. Qian, Y. F. Liang, B. Zhong, and KVI - Center for Advanced Radiation Technology
Subjects: Nuclear and High Energy Physics, hadronic events, Hadron, 01 natural sciences, NO, High Energy Physics - Experiment, Nuclear physics, Subatomär fysik, BESIII, trigger efficiency, Bhabha, dimuon, 0103 physical sciences, Subatomic Physics, ddc:530, 010306 general physics, Instrumentation, Bhabha scattering, Physics, 010308 nuclear & particles physics, Detector, Astronomy and Astrophysics, Charged particle, High Energy Physics::Experiment, BESIII, trigger efficiency, Bhabha, dimuon, hadronic events
Abstract: Using a dedicated data sample taken in 2018 on the $J/\psi$ peak, we perform a detailed study of the trigger efficiencies of the BESIII detector. The efficiencies are determined from three representative physics processes, namely Bhabha-scattering, dimuon production and generic hadronic events with charged particles. The combined efficiency of all active triggers approaches $100\%$ in most cases with uncertainties small enough as not to affect most physics analyses., Comment: 8 pages
Published: 2021

84. Initial- and final-state temperatures of emission source from differential cross-section in squared momentum transfer in high energy collisions

Author: Fu-Hu Liu, Qi Wang, and Khusniddin K. Olimov
Subjects: Nuclear and High Energy Physics, Photon, Nuclear Theory, Article Subject, QC1-999, Monte Carlo method, Erlang distribution, MathematicsofComputing_GENERAL, FOS: Physical sciences, Zeus (malware), Spectral line, High Energy Physics - Experiment, Nuclear physics, Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Nuclear Experiment (nucl-ex), Nuclear Experiment, Physics, Momentum transfer, High Energy Physics - Phenomenology, TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES, Tsallis distribution, Energy (signal processing)
Abstract: The differential cross-section in squared momentum transfer of $\rho$, $\rho^0$, $\omega$, $\phi$, $f_{0}(980)$, $f_{1}(1285)$, $f_{0}(1370)$, $f_{1}(1420)$, $f_{0}(1500)$, and $J/\psi$ produced in high energy virtual photon-proton ($\gamma$$^{*} p$), photon-proton ($\gamma p$), and proton-proton ($pp$) collisions measured by the H1, ZEUS, and WA102 Collaborations are analyzed by the Monte Carlo calculations. In the calculations, the Erlang distribution, Tsallis distribution, and Hagedorn function are separately used to describe the transverse momentum spectra of the emitted particles. Our results show that the initial- and final-state temperatures increase from lower squared photon virtuality to higher one, and decrease with increasing of center-of-mass energy., Comment: Updated version, 18 pages, 6 figures. Fixed some errors in particle mass in the code. Conclusions unchanged
Published: 2021
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85. Particle Production in Small and Large Systems at High-Energy and High-Density Frontiers

Author: Edward K. Sarkisyan-Grinbaum, Raghunath Sahoo, Sakina Fakhraddin, Fu-Hu Liu, and Bhartendu K. Singh
Subjects: Physics, Nuclear and High Energy Physics, High energy, Article Subject, QC1-999, Production (economics), Particle, High density, Particle Physics - Experiment, Computational physics
Published: 2021
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86. Multi-Source Thermal Model Describing Transverse Momentum Spectra of Final-State Particles in High Energy Collisions

Author: Fu-Hu Liu, Jia-Yu Chen, and Qiang Zhang
Subjects: Nuclear and High Energy Physics, Nuclear Theory, High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics - Experiment, Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract: In this mini review article, the transverse momentum spectra of final-state particles produced in high energy hadron-hadron, hadron-nucleus, and nucleus-nucleus collisions described by the multi-source thermal model at the quark or parton level is summarized. In the model, the participant or contributor quarks or partons are considered to contribute together to the transverse momentum distribution of final-state particles with different modes of contributions. The concrete mode of contribution is generally determined by the difference of azimuthal angles of contributor partons in their emissions., Comment: 12 pages, 3 figure, mini-review article, Advances in High Energy Physics, accepted
Published: 2021
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87. An energy independent scaling of transverse momentum spectra of direct (prompt) photons from two-body processes in high-energy proton-proton collisions

Author: Qiang Zhang, Ya‐Qin Gao, Fu‐Hu Liu, and Khusniddin K. Olimov
Subjects: Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Nuclear Theory, General Physics and Astronomy, FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment, High Energy Physics - Experiment
Abstract: Transverse momentum spectra of direct (prompt) photons from two-body processes in high-energy proton-proton (p+p) collisions are analyzed in this paper. We collected the experimental invariant cross-sections at mid-rapidity in p+p collisions measured by the UA6, CCOR, R806, R110, PHENIX, NA24, CMS, ALICE, and ATLAS Collaborations over a center-of-mass energy range from 24.3 GeV to 13 TeV. In fitting the data, we used different kinds of functions which include the revised Tsallis--Pareto-type function (the TP-like function) at the particle level, the convolution of two TP-like functions at the quark level, and the root-sum-of-squares of two revised Tsallis-like functions in which the quark chemical potentials $\mu _i=\mu_B/3$ or $\mu_i=0$, where $\mu_B$ is the baryon chemical potential. We have extracted the values of three main free parameters: the effective temperature $T$, power index $n_0$ (or entropy index $q$), and correction index $a_0$. After analyzing the changing trends of the parameters, we found that $T$, $q$, and $a_0$ increase and $n_0$ decreases with the increase of collision energy. Based on the analyses of transverse momentum spectra, an energy independent scaling, i.e. the $x_T$ scaling, is obtained., Comment: 25 pages, 10 figures, Annalen der Physik, accepted
Published: 2021
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88. Observation of the Doubly Cabibbo-Suppressed Decay D+→K+π+π−π0 and Evidence for D+→K+ω

Author: A. Calcaterra, Z. G. Zhao, L. Z. Liao, H. H. Zhang, H. B. Li, A. G. Denig, C. L. Luo, Q. Zhou, B. Zhong, L. B. Guo, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, W. Yuan, Tao Zhang, T. Z. Han, Yanping Huang, Xu Shan, M. Lellmann, S. Maldaner, Krisztian Peters, T. Holtmann, M. Qi, H. J. Yang, L. D. Liu, M. X. Luo, Dylan Jaide White, Yuyi Wang, D. V. Dedovich, L. Lavezzi, S. L. Yang, J. Q. Zhang, Xujin Yuan, Y. F. Long, K. Ravindran, M. Greco, M. Y. Dong, J. Y. Liu, I. B. Nikolaev, Xu Yan, R. T. Ma, H. B. Liu, J. Libby, Q. Liu, Y. Ding, X. Y. Jiang, M. M. Ma, Feng Yan, X. Sun, Yao Wang, Y. Fu, H. Y. Zhang, Y. H. Zheng, Muhammad Irshad, Cong-Feng Qiao, S. B. Liu, Y. Nefedov, L. Koch, A. Khoukaz, Xiangcheng Pan, C. W. Wang, G. Rong, B. J. Liu, Yi Zhang, J. H. Zou, T. Y. Xing, D. Y. Chen, N. Yu. Muchnoi, V. Prasad, S. Han, S. Ahmed, C. X. Liu, L. L. Ma, J. H. Yin, Lei Zhang, Yaquan Fang, M. Shao, Y. T. Gu, H. J. Lu, J. G. Lu, C. X. Yue, Haiwen Liu, A. Pitka, K. Y. Liu, R. Kappert, F. A. Harris, W. L. Chang, L. H. Wu, L. Gong, Y. X. Yang, W. Kühn, John Jake Lane, S. F. Zhang, Y. K. Heng, S. S. Sun, X. L. Gao, R. B. de Boer, C. Dong, S. Sosio, Y. C. Zhu, Huimin Wang, X. L. Ji, H. Leithoff, Z. Y. You, Z. A. Zhu, W. C. Yan, Guoqiang Yu, Magnus Wolke, R. P. Guo, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, Y. Schelhaas, K. Schoenning, Y. Gao, B. S. Zou, Y. H. Zhang, X. L. Lu, Y. F. Liang, W. P. Wang, R. Baldini Ferroli, F. Li, C. Li, F. C. Ma, Joachim Pettersson, G. F. Chen, G. F. Xu, A. Amoroso, Niklaus Berger, F. Feldbauer, X. S. Qin, Yi Jin, X. Liu, F. E. Maas, T. Hu, Z. H. Qin, S. Malde, Y. Zhang, Anita, Feng Liu, S. Gu, P. Kiese, Q. Q. Song, M. Z. Wang, J. Y. Zhang, Q. Zhao, H. Qi, X D Shi, Z. Ning, J. F. Hu, Yuan Hou, G. X. Sun, J. V. Bennett, H. Xiao, Ziyuan Li, Zongyuan Wang, Lingxuan Zhang, Y. X. Tan, Z. Y. Wang, O. Bakina, M. Kuemmel, Matthew Glenn Kurth, S. Y. Xiao, Y. Z. Sun, Y. J. Mao, X. S. Kang, A. Sarantsev, D. H. Wei, J. S. Lange, M. Ablikim, J. L. Li, R. A. Briere, L. Xia, W. Shan, A. Yuncu, M. Rolo, R. E. Mitchell, T. Liu, H. X. Yang, Zhiyong Zhang, J. F. Qiu, D. C. Shan, Z. Jiao, Fu-Hu Liu, F. Weidner, W. Imoehl, C. P. Shen, Serkant Ali Cetin, A. Dbeyssi, Xiang Zhou, L. Fava, T. Held, Y. G. Xie, Y. J. Xiao, Zhi Yang, H. J. Li, L. J. Wu, X. F. Cui, X. S. Jiang, M. Fritsch, Haiping Peng, I. K. Keshk, Li Zhou, F. Cossio, Ruiting Ma, Q. Ouyang, X. Wu, P. X. Shen, W. M. Song, Y. B. Zhao, K. J. Zhu, Z. Qian, D. Y. Liu, C. X. Lin, S. Janchiv, S. X. Du, Ke Wang, Y. J. Mo, Z. Wu, J. B. Jiao, Jianhao Zhang, X. N. Ma, W. Y. Sun, J. L. Zhang, S. S. Fang, C. Y. Guan, M. Rump, Gang Zhao, F. F. Sui, M. H. Gu, J. Tang, Ke Liu, W. B. Yan, Q. A. Malik, R. Kiuchi, Huihui Liu, J. Dong, Evelina Gersabeck, Xiao-Rui Lyu, G. Mezzadri, C. Zhong, Yunlong Zhang, X. H. Mo, M. N. Achasov, B. Kopf, Z. J. Chen, Y. B. Liu, J. G. Messchendorp, W. J. Zhu, Jinfei Wu, B. C. Ke, M. H. Ye, D. Bettoni, X. D. Shi, R. X. Yang, J. P. Dai, C. X. Yu, Wei Xu, L. M. Gu, B. Wang, Y. G. Gao, W. H. Wang, P. Adlarson, P. R. Li, R. Farinelli, Zhiqing Zhang, B. L. Wang, J. F. Sun, Tao Luo, S. Marcello, Y. Zeng, Zhe Sun, S. Lusso, Stephen Lars Olsen, H. L. Ma, T. Lenz, Hao Liang, D. M. Li, X. L. Luo, Z. Y. Yuan, K. Begzsuren, M. Pelizaeus, Angelo Rivetti, C. H. Li, X. Wang, F. De Mori, M. Kavatsyuk, Jianyu Zhang, H. C. Shi, C. F. Redmer, J. D. Lu, C. Schnier, Y. Q. Wang, K. L. He, Q. P. Ji, Ziyi Wang, Jimin Zhao, P. L. Li, M. G. Zhao, Y. H. Yang, X. X. Ma, J. Zhu, X. F. Wang, S. Nisar, C. J. Tang, Y. Hu, Y. P. Lu, S. Pacetti, Z. A. Liu, N. Huesken, Y. M. Ma, Y. H. Tan, Z. P. Mao, J. Fang, W. G. Li, Y. K. Sun, Z. Huang, J. Q. Li, A. Q. Guo, S. Spataro, X. P. Xu, M. Himmelreich, B. Zheng, R. G. Ping, J. Bloms, Z. J. Xiao, L. L. Wang, H. Cai, L. Q. Huang, Jacek Biernat, R. Poling, Jianping Zheng, T. J. Min, I. Garzia, M. Destefanis, M. Albrecht, W. D. Li, Y. F. Wang, J. Zhao, X. H. Xie, F. Bianchi, S. Qian, Q. An, Jialun Ping, X. Y. Zhang, X. Y. Shen, B. X. Yu, Y. Ban, P. Weidenkaff, F. H. Heinsius, Y. B. Chen, Xiaofeng Zhu, J. Z. Zhang, X. L. Wang, J. J. Song, J. B. Liu, S. P. Wen, Lei Li, L. Sun, X. R. Zhou, Ch. Rosner, Y. J. Sun, Yifan Yang, T. Hussain, Cheng Li, X. Y. Ma, Andrzej Kupsc, Meng Wang, X. T. Huang, T. T. Han, Ke Li, S. J. Zhao, M. L. Chen, Shan Jin, Zhiqing Liu, K. Goetzen, L. Y. Dong, G. F. Cao, W. X. Gong, Z. X. Meng, F. X. Lu, X. A. Xiong, A. Pathak, T. Johansson, J. F. Chang, Huanhuan Liu, X. H. Bai, S. Zhang, A. A. Zafar, Y. P. Guo, H. S. Chen, O. B. Kolcu, H. R. Qi, R. S. Shi, B. X. Zhang, G. Felici, X. Cai, F. Nerling, H. L. Dai, Igor Boyko, Q. J. Xu, K. H. Rashid, Fang Liu, Zujian Wang, I. Denysenko, Y. Bai, X. Q. Hao, A. Bortone, Xuanhong Lou, Yan Zhang, M. Bertani, Y. T. Liang, Viktor Thorén, X. H. Li, L. Wollenberg, S. J. Chen, Nasser Kalantar-Nayestanaki, Xingchao Dai, Q. M. Ma, Yue Pan, Shuai Liu, I. Balossino, L. Yang, J. J. Xu, Guangyi Zhang, Y. Yuan, H. B. Jiang, Jiawei Zhang, W. Gradl, Y. X. Song, D. Y. Wang, P. W. Luo, L. Q. Qin, T. Y. Qi, S. H. Zhu, T. Yu, X. K. Zhou, L. K. Li, Wenbin Qian, V. Rodin, X. B. Ji, G. Y. Tang, Jie Zhao, P. Patteri, Alexey Zhemchugov, H. M. Hu, R. Kliemt, A. Mangoni, A. Guskov, Jie Yu, I. Uman, S. Nakhoul, S. Jaeger, P. Larin, G. Cibinetto, Bingxuan Liu, G. Wilkinson, W. S. Cheng, Yao Zhang, G. Li, A. Gilman, C. D. Fu, C. Q. Feng, X. R. Chen, Z. Y. Deng, Xingguo Li, Si Li, Guangshun Huang, L. Yan, M. Kuessner, Tao Sun, G. A. Chelkov, Y. X. Zhao, Y. H. Xie, M. Maggiora, Ling Zhao, Lei Zhao, Z. L. Hou, C. Z. Yuan, and N. Cao
Subjects: Physics, 0103 physical sciences, Detector, Pi, General Physics and Astronomy, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, 01 natural sciences
Abstract: Using 2.93 fb(-1) of e(+)e(-) collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, the first observation of the doubly Cabibbo-suppressed decay D+-> K+pi(+) ...
Published: 2020

89. Search for intermediate resonances and dark gauge bosons in J/ψ→γπ0η′

Author: Kun Zhang, M. Richter, Xinying Song, M. Bertani, B. J. Liu, L. Yang, T. Holtmann, Hai-Bo Li, C. L. Luo, Yuanbo Chen, Marcel Rump, B. Zhong, Ryan Mitchell, Lei Li, Ulrich Wiedner, Andreas Pitka, Viktor Rodin, Qiao Zhou, L. J. Wu, H. J. Lu, Jiawen Zhang, C.-H. Rosner, Gang Chen, Tao Hu, M. X. Luo, D. V. Dedovich, Z. Y. Wang, Qian Liu, H. Q. Zhang, Z. J. Sun, Yajun Mao, J. F. Chang, Y. S. Zhu, I. Garzia, Johannes Bloms, Chengwei Wang, Khurelbaatar Begzsuren, F. Feldbauer, X. K. Zhou, R. Kliemt, Kai Zhu, K. Goetzen, M. Maggiora, Ling Zhao, Sebastian Jaeger, Chang-Zheng Yuan, Y. J. Mo, V. Prasad, S. H. Zhu, Gang Li, Yubin Zhao, Fang Liu, L. L. Wang, X. W. Tang, Zongyuan Wang, Tao Yu, Yongjie Sun, Houbing Jiang, Thomas Lenz, X.S. Li, H. X. Yang, Bo Zheng, Viktor Thorén, Iman Keshk, Feng Liu, J. C. Chen, Sifan Zhang, X. A. Xiong, M. Rolo, Zhenyu Zhang, Xiang Liu, Jacek Biernat, M. Kuemmel, Ming Qi, W. Gradl, Fengcai Ma, Y. Bai, Xuan Zhang, Zhenjun Xiao, A. Mangoni, Xianglei Zhu, Nasser Kalantar-Nayestanaki, Xinyu Shan, Lingyun Liu, I. Denysenko, Yang Gao, X. S. Jiang, P. Weidenkaff, Jie Yu, H. R. Qi, Mengzhen Wang, Hailong Ma, Will Imoehl, Lei Zhao, P. Kiese, Bing Liu, X. Y. Jiang, Xiao Cai, A. A. Zafar, M. J. Chen, Zhonghua Qin, Q. Ouyang, Bin Wang, Huihui Liu, Yi Fang, Jianbin Jiao, I. B. Nikolaev, Bing-Song Zou, Jiaheng Zou, Mathew Glenn Kurth, G. A. Chelkov, Alexander Gilman, J. H. Yin, R. A. Briere, Yunpeng Lu, Tong Liu, Yongzhao Sun, S. S. Fang, O. Bakina, P. R. Li, X. S. Qin, M. Albrecht, T. J. Min, Jingwen Li, Y. B. Liu, H. Y. Sheng, Jens Soeren Lange, Suyu Xiao, Y. T. Gu, Serkant Ali Cetin, Q. An, G. Y. Tang, Q. J. Li, Li Zhou, Z. L. Hou, F. H. Heinsius, Yasemin Schelhaas, Xiaodong Shi, G. S. Huang, K. H. Rashid, Z.Q. Zhang, J. G. Messchendorp, X. R. Zhou, Xingtao Huang, Hao Cai, Rinaldo Baldini Ferroli, Muzaffar Irshad, J. P. Dai, Stephen Lars Olsen, Xiongfei Wang, Xuan Wang, H. S. Chen, Michela Greco, J. W. Zhao, C. B. Zhang, Weishuai Cheng, Huanhuan Liu, Y. Pan, Tobias Weber, D. X. Lin, A. Sarantsev, Klaus Peters, D. H. Wei, Jing Chen, Jing Dong, J. Chai, Meng Wang, Cheng Li, Xin Shi, J. J. Xu, Longzhou Liao, Ming Shao, Y. Z. Sun, Sneha Malde, Thomas Held, Jian Zhuang, Yuehong Xie, J. V. Bennett, Xiaokang Zhou, L. G. Xia, F. Cossio, Fengfei Sui, Jialun Ping, C. F. Liu, Yingchun Zhu, Qingqing Song, Y. J. Zhang, Evelina Gersabeck, Alexey Zhemchugov, M. H. Ye, Xiaoqing Yuan, B. T. Tsednee, Dapeng Jin, H. Y. Zhang, Wanling Chang, Z. Jiao, Fu-Hu Liu, Shuang Han, P. X. Shen, Jingzhi Zhang, K. J. Zhu, Peirong Li, Fabrizio Bianchi, Zhigang Wang, Mathilde Himmelreich, Bingxin Zhang, X. Y. Shen, Yanjia Xiao, Xinchou Lou, Yingrui Hou, Jingwei Zhao, Cui Li, Zhenghao Zhang, L. Y. Dong, Weiping Wang, Yifan Yang, Liang Liu, C. Sowa, Dahua Zhang, Jianbei Liu, M. Y. Dong, S. P. Wen, Xiaoyan Ma, Xinchen Dai, Y. X. Yang, Ning Cao, Duanyou Chen, Y. Nefedov, R. P. Guo, Y. H. Xie, Q. P. Ji, Yun Zeng, S. Gu, Cong-Feng Qiao, Zhibing Li, F. A. Harris, X. B. Ji, L. Koch, A. Khoukaz, Jiada Lu, H. Leithoff, S. Ahmed, J. Min, Kanglin He, F. Nerling, Boxiang Yu, W. Shan, S. Liu, A. Q. Guo, P. L. Wang, Y.Y. Zhang, Francesca De Mori, X. L. Luo, Krishnakumar Ravindran, Aonan Zhu, N. Y.-U. Muchnoi, Y. H. Zheng, B. Kopf, Stefano Lusso, X. S. Kang, Lipeng Zhou, Zhiqing Liu, Y. Q. Wang, Qiang Zhao, S. Nisar, Y. Hu, Pengwei Luo, Kai Liu, Liang Sun, Stefano Spataro, Magnus Wolke, Junfeng Sun, G. Cibinetto, Zhengguo Zhao, X. Q. Hao, Wenjing Zhu, Yong Ban, Rongxing Yang, C. Dong, S. Sosio, J. L. Hu, L. Yan, Haijun Yang, Shuangli Yang, P. Larin, T. Hussain, D. Y. Wang, Hongbang Liu, Junguang Lu, Yangheng Zheng, Y. Guo, J. F. Qiu, X. P. Xu, Z. L. Dou, Dianyu Liu, Q. J. Xu, Yong Ding, G. R. Liao, Yu Lu, J. M. Zhang, Ziyuan Li, Zhaoxia Meng, B. Q. Wang, M. H. Gu, L. H. Wu, Yuqing Wang, W. X. Gong, J. Li, S. Marcello, Xiaofei Cui, Ye Yuan, Dong Liu, L. L. Ma, Y. F. Liang, L. Gong, Libo Guo, O. B. Kolcu, L. Z. Wang, J. Liu, M. Ye, X. H. Mo, L. Fava, Shengsen Sun, P. Patteri, Limin Gu, Ying Fu, Sen Qian, Ronggang Ping, Chuangxin Lin, Wolfgang Kuehn Kühn, Joachim Pettersson, Changjian Tang, Shan Jin, Simon Nakhoul, G. X. Sun, H. H. Li, A. Amoroso, L. Lavezzi, Fang Yan, F. E. Maas, Haiping Peng, Shuaiying Li, Xiaolu Ji, Tianchi Zhao, Meike Kuessner, Sanqiang Qu, Y.N. Gao, Z. A. Zhu, Yan Zhang, Xiaoping Qin, Yao Zhang, Tao Luo, Tianyu Xing, Achim Denig, H. M. Hu, Z. Gao, Alexey Guskov, Tingting Han, Yuekun Heng, F. Y. Li, Y. G. Gao, M. G. Zhao, N. Qin, Sai-Juan Chen, Maxim Alekseev, Longke Li, W. B. Yan, D. Bettoni, Y. F. Long, Yanchu Wang, Guang Zhao, Patrik Adlarson, C. D. Fu, M. N. Achasov, A. Dbeyssi, Ryuta Kiuchi, C. Q. Feng, Rosa Kappert, R. Poling, C. S. Yu, Xiang Pan, Xiaozhong Huang, Wei Xu, Jianping Zheng, Jingzhou Zhao, Alperen Yuncu, X. Y. Gao, Z. Y. Deng, Yanjian Lin, Giulietto Felici, Zhenan Liu, Youhua Yang, S. Pacetti, Shujun Zhao, J. G. Zhang, S. X. Du, H. L. Dai, Igor Boyko, K. Y. Liu, Xuhong Li, Angelo Rivetti, Yi Zhang, Y. T. Liang, Walter Ikegami Andersson, Z. Y. You, Guy Wilkinson, Frederik Weidner, M. Destefanis, J. J. Song, Y. Jin, Ke Li, H. H. Liu, Tord Johansson, Tianjiao Zhang, Z. Wu, R. Farinelli, C. Morales, Andrzej Kupsc, C. F. Redmer, G. F. Cao, Jingzhou Fan, Jiang Zhu, Q. M. Ma, A. Mustafa, Mingming Ma, Yaxing Tan, X. N. Li, D. M. Li, M. Fritsch, Xuyang Liu, Yu Zhang, C. P. Shen, Xiaolong Wang, J. Zhang, M. Kavatsyuk, Y. D. Wang, H. Muramatsu, Hongwei Wen, J. W. Zhang, M. Pelizaeus, Wei Li, B. X. Zhang, Michael Papenbrock, I. Uman, C. Schnier, Lei Zhang, Tianyu Qi, B. C. Ke, Nils Huesken, Stephan Maldaner, M. Ablikim, G. Rong, Z. P. Mao, H. Liang, W. D. Li, Xinxin Ma, A. Calcaterra, Ke Wang, Ke Liu, Q. A. Malik, G. Mezzadri, W. C. Yan, Guofa Xu, Y. M. Ma, J. Fang, Zhe Ning, X. B. Ma, J. Libby, Xiao-Rui Lyu, Ilaria Balossino, K. Schoenning, and Niklaus Berger
Subjects: Physics, Gauge boson, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Pi, CP violation, Gauge (firearms), 010306 general physics, 01 natural sciences, Prime (order theory)
Abstract: We report on an analysis of the decay J/ψ→γπ0η′ using a sample of (1310.6±7.0)×106J/ψ events collected with the BESIII detector. We search for the CP-violating process ηc→π0η′ and a dark gauge boso ...
Published: 2020

90. Excitation Function of Initial Temperature of Heavy Flavor Quarkonium Emission Source in High Energy Collisions

Author: Fu-Hu Liu and Qi Wang
Subjects: Nuclear and High Energy Physics, Work (thermodynamics), Article Subject, Nuclear Theory, QC1-999, Erlang distribution, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Rapidity, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Physics, Excitation function, Range (particle radiation), 010308 nuclear & particles physics, Quarkonium, High Energy Physics - Phenomenology, Percolation, High Energy Physics::Experiment, Atomic physics, Excitation
Abstract: The transverse momentum spectra of $J/\psi$, $\psi(2S)$, and $\Upsilon(nS, n=1,2,3)$ produced in proton-proton ($p$+$p$), proton-antiproton ($p$+$\bar{p}$), proton-lead ($p$+Pb), gold-gold (Au+Au), and lead-lead (Pb+Pb) collisions over a wide energy range are analyzed by the (two-component) Erlang distribution, the Hagedorn function (the inverse power-law), and the Tsallis-Levy function. The initial temperature is obtained from the color string percolation model due to the fit by the (two-component) Erlang distribution in the framework of multisource thermal model. The excitation functions of some parameters such as the mean transverse momentum and initial temperature increase from dozens of GeV to above 10 TeV. The mean transverse momentum and initial temperature decrease (increase slightly or do not change obviously) with the increase of rapidity (centrality). Meanwhile, the mean transverse momentum of $\Upsilon(nS, n=1,2,3)$ is larger than that of $J/\psi$ and $\psi(2S)$, and the initial temperature for $\Upsilon(nS, n=1,2,3)$ emission is higher than that for $J/\psi$ and $\psi(2S)$ emission, which shows a mass-dependent behavior., Comment: 26 pages, 12 figures. Advances in High Energy Physics, accepted
Published: 2020

91. Σ+ and Σ¯− Polarization in the J/ψ and ψ(3686) Decays

Author: L. M. Gu, P. Kiese, L. D. Liu, Yuan Hou, Z. X. Meng, R. A. Briere, J. F. Sun, G. S. Huang, X. S. Jiang, X. A. Xiong, A. A. Zafar, Y. B. Zhao, M. Albrecht, R. X. Yang, Wei Xu, S. Marcello, J. Dong, W. D. Li, P. Adlarson, K. H. Rashid, B. T. Tsednee, J. Q. Zhang, Y. F. Long, K. Ravindran, M. Greco, X. Pan, Yi Zhang, Y. T. Liang, I. B. Nikolaev, K. Y. Liu, R. P. Guo, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, R. Farinelli, Y. F. Wang, J. Zhao, I. Balossino, J. H. Yin, Lei Zhang, Qiang Zhao, S. Nisar, Y. Zeng, Zhe Sun, S. Lusso, C. J. Tang, Y. Hu, S. J. Chen, T. Hussain, X. Y. Ma, W. X. Gong, A. Pathak, Y. H. Xie, Fang Liu, Y. P. Lu, M. Shao, Y. T. Gu, I. Denysenko, Stephen Lars Olsen, H. L. Ma, T. Lenz, L. Yan, X. H. Xie, L. J. Wu, X. Wu, Y. Fu, H. B. Li, C. X. Liu, M. Maggiora, Ling Zhao, A. G. Denig, D. M. Li, Shuai Liu, Z. Y. Yuan, C. Zhong, Xu Yan, R. T. Ma, Andrzej Kupsc, Lei Zhao, Z. L. Hou, Y. B. Chen, M. L. Chen, Xiaofeng Zhu, J. Z. Zhang, J. J. Song, L. Sun, Q. Liu, Jianyu Zhang, J. Libby, X. Wang, J. J. Xu, Guangyi Zhang, Tao Luo, C. W. Wang, Y. J. Mo, M. Pelizaeus, Huanhuan Liu, Y. C. Zhu, Xujin Yuan, L. Q. Qin, C. F. Redmer, J. D. Lu, C. Schnier, Y. Q. Wang, L. L. Ma, L. Gong, W. Imoehl, S. B. Liu, G. Felici, B. Kopf, K. L. He, Ziyi Wang, F. X. Lu, Y. P. Guo, H. J. Li, M. Y. Dong, L. G. Xia, A. Amoroso, X. L. Ji, C. L. Luo, Q. Zhou, A. Sarantsev, Y. Nefedov, D. H. Wei, B. X. Yu, H. B. Liu, J. S. Lange, X. T. Huang, S. F. Zhang, M. Z. Wang, Jimin Zhao, P. L. Li, R. S. Shi, T. Holtmann, G. Rong, Yaquan Fang, J. Y. Liu, A. Dbeyssi, T. Y. Qi, S. H. Zhu, M. Kuemmel, Matthew Glenn Kurth, M. H. Ye, W. Shan, R. Kappert, S. Qian, Q. An, Jialun Ping, J. H. Zou, Z. H. Qin, T. Yu, S. Han, T. Held, Bingxuan Liu, G. Wilkinson, C. Z. Yuan, B. Zhong, L. B. Guo, Meng Wang, Muhammad Irshad, Zujian Wang, M. Qi, X D Shi, Q. P. Ji, Z. J. Xiao, X. K. Zhou, Y. J. Mao, N. Cao, Zhiqing Liu, Y. Bai, M. G. Zhao, Y. H. Yang, H. J. Yang, X. Y. Zhang, S. S. Sun, W. S. Cheng, Yao Zhang, X. X. Ma, H. X. Yang, I. Garzia, L. H. Wu, G. F. Xu, X. L. Wang, Angelo Rivetti, Anita, S. Gu, X. F. Wang, G. Li, X. F. Cui, Wenbin Qian, H. S. Chen, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, W. Yuan, X. S. Qin, M. Savrie, Dong E. Liu, J. B. Liu, I. Uman, Yi Jin, X. H. Li, L. Wollenberg, F. De Mori, X. Y. Shen, Tao Zhang, A. Pitka, Huihui Liu, S. Nakhoul, L. Y. Dong, A. Gilman, T. Johansson, J. F. Chang, T. T. Han, X. Y. Jiang, S. Jaeger, Y. J. Sun, Yifan Yang, Xingchao Dai, H. L. Dai, Igor Boyko, John Jake Lane, Y. Ding, Yao Wang, P. Larin, J. G. Messchendorp, Y. J. Xiao, C. H. Li, Y. X. Song, M. M. Ma, R. E. Mitchell, X. L. Lu, S. J. Zhao, J. P. Dai, S. Janchiv, C. D. Fu, Guoqiang Yu, B. J. Liu, M. Kuessner, Zongyuan Wang, C. Q. Feng, Magnus Wolke, X. R. Chen, L. Koch, A. Khoukaz, Y. F. Liang, G. Y. Tang, O. B. Kolcu, J. B. Jiao, Bibo Ke, F. A. Harris, W. G. Li, T. Y. Xing, D. Y. Chen, K. Schoenning, Y. Gao, Jie Zhao, Alexey Zhemchugov, H. M. Hu, Y. K. Sun, Shan Jin, Evelina Gersabeck, W. B. Yan, Z. Huang, D. C. Shan, Z. Y. Deng, Q. M. Ma, B. S. Zou, W. L. Chang, Q. J. Xu, X. S. Kang, Y. Zhang, R. Baldini Ferroli, K. Goetzen, X. Cai, S. Ahmed, Y. X. Yang, M. N. Achasov, F. Nerling, S. Spataro, M. Bertani, X. P. Xu, Hai-Tian Wang, Tao Sun, W. Kühn, L. Yang, F. Weidner, A. Bortone, Xuanhong Lou, G. X. Sun, J. V. Bennett, H. Xiao, Ziyuan Li, J. W. Zhang, W. J. Zhu, C. Li, G. A. Chelkov, Q. Ouyang, Viktor Thorén, L. Lavezzi, S. Pacetti, Niklaus Berger, Q. A. Malik, Y. Yuan, Nasser Kalantar-Nayestanaki, S. Malde, Lei Li, Z. Jiao, Fu-Hu Liu, Z. Y. You, Y. H. Zheng, Z. A. Zhu, W. C. Yan, Cong-Feng Qiao, X. D. Shi, H. M. Liu, S. S. Fang, C. Y. Guan, X. N. Ma, H. B. Jiang, N. Huesken, H. Leithoff, G. Mezzadri, F. Li, Xingguo Li, X. Q. Hao, Jiawei Zhang, Yue Pan, Y. H. Tan, Y. B. Liu, N. Yu. Muchnoi, F. C. Ma, Ke Li, G. F. Cao, Yan Zhang, H. Y. Zhang, Krisztian Peters, Haiping Peng, S. Zhang, Y. H. Zhang, Y. Z. Sun, W. Gradl, R. B. de Boer, Shiqun Li, C. P. Shen, Z. Ning, S. Y. Xiao, X. L. Luo, D. Y. Wang, Ke Wang, W. Y. Sun, G. F. Chen, S. L. Yang, R. Kliemt, H.R. Qi, Xiang Zhou, I. K. Keshk, J. Y. Zhang, L. P. Zhou, P. R. Li, K. Begzsuren, X. H. Mo, Z. Y. Wang, C. X. Lin, W. P. Wang, F. Bianchi, Y. G. Xie, T. Liu, J. F. Qiu, M. Rump, Gang Zhao, Y. M. Ma, A. Mangoni, B. Q. Wang, M. Kavatsyuk, L. Fava, Zhi Yang, A. Guskov, Y. K. Heng, Jie Yu, Z. P. Mao, B. L. Wang, L. L. Wang, H. Cai, D. Y. Liu, H. C. Shi, L. Q. Huang, Jacek Biernat, Y. X. Zhao Zhao, Jinfei Wu, T. Z. Han, K. J. Zhu, W. M. Song, J. Fang, G. Cibinetto, Xu Shan, P. W. Luo, S. X. Du, B. X. Zhang, Ch. Rosner, Chong-Xing Yue, L. K. Li, M. X. Luo, Dylan Jaide White, V. Rodin, Yuyi Wang, D. V. Dedovich, Xiao-Rui Lyu, X. B. Ji, P. Patteri, H. Liang, F. Feldbauer, Y. G. Gao, W. H. Wang, J. Zhu, J. Q. Li, A. Q. Guo, Feng Liu, M. Ablikim, M. Himmelreich, M. Fritsch, J. Bloms, A. Calcaterra, Z. G. Zhao, L. Z. Liao, H. H. Zhang, M. Lellmann, S. Maldaner, Ke Liu, J. F. Hu, Lingxuan Zhang, Y. X. Tan, Zhiyong Zhang, X. P. Qin, J. L. Zhang, F. F. Sui, M. H. Gu, R. Kiuchi, C. X. Yu, B. Zheng, R. G. Ping, Z. A. Liu, V. Prasad, Y. Ban, P. Weidenkaff, F. H. Heinsius, S. P. Wen, X. R. Zhou, Cheng Li, H. J. Lu, J. G. Lu, F. E. Maas, T. Hu, O. Bakina, P. X. Shen, Z. Wu, Zhiqing Zhang, Y. Schelhaas, X. Liu, H. R. Qi, Q. Q. Song, Serkant Ali Cetin, J. Tang, Yunlong Zhang, D. Bettoni, R. Poling, Jianping Zheng, T. J. Min, M. Destefanis, X. L. Gao, C. Dong, S. Sosio, Joachim Pettersson, J. L. Li, A. Yuncu, M. Rolo, F. Cossio, Ruiting Ma, and Z. Qian
Subjects: Physics, Spin polarization, 0103 physical sciences, General Physics and Astronomy, Sigma, High Energy Physics::Experiment, Atomic physics, 010306 general physics, Polarization (waves), 01 natural sciences
Abstract: From 1310.6 x 10(6) J/psi and 448.1 x 10(6) psi (3686) events collected with the BESIII experiment, we report the first observation of Sigma(+) and (Sigma) over bar (-) spin polarization in e(+)e(- ...
Published: 2020

92. Energy scan/dependence of kinetic freeze-out scenarios of multi-strange and other identified particles in central nucleus-nucleus collisions

Author: Fu-Hu Liu, Irfan Siddique, Rui-Qin Wang, and Muhammad Waqas
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Phase transition, Nuclear Theory, 010308 nuclear & particles physics, Hadron, Tsallis statistics, FOS: Physical sciences, Kinetic energy, 01 natural sciences, Deconfinement, High Energy Physics - Experiment, Nuclear physics, Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Nuclear fusion, Nuclear Experiment (nucl-ex), 010306 general physics, Relativistic Heavy Ion Collider, Nuclear Experiment
Abstract: The transverse momentum (mass) spectra of the multi-strange and non-multi-strange (i.e. other identified) particles in central gold-gold (Au-Au), lead-lead (Pb-Pb), argon-muriate (Ar-KCl) and nickel-nickel (Ni-Ni) collisions over a wide energy range have been studied in this work. The experimental data measured by various collaborations have been analyzed. The blast-wave fit with Tsallis statistics is used to extract the kinetic freeze-out temperature and transverse flow velocity from the experimental data of transverse momentum (mass) spectra. The extracted parameters increase with the increase of collision energy and appear with the trend of saturation at the Beam Energy Scan (BES) energies at the Relativistic Heavy Ion Collider (RHIC). This saturation implies that the onset energy of phase transition of partial deconfinement is 7.7 GeV and that of whole deconfinement is 39 GeV. Furthermore, the energy scan/dependence of kinetic freeze-out scenarios are observed for the multi-strange and other identified particles, though the multiple freeze-out scenarios are also observed for various particles., 12 pages, 2 figures. The European Physical Journal A, accepted
Published: 2020

93. Measurements of Absolute Branching Fractions of Fourteen Exclusive Hadronic D Decays to η

Author: H. B. Li, A. G. Denig, C. L. Luo, Fang Liu, I. Denysenko, Q. Zhou, X. N. Ma, Zongyuan Wang, Shuai Liu, J. J. Xu, Guangyi Zhang, S. Qian, Q. An, Jialun Ping, B. Zhong, L. B. Guo, X. L. Ji, X. Y. Zhang, B. Wang, H. J. Lu, J. G. Lu, F. Weidner, X. L. Wang, Q. Ouyang, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, J. B. Liu, W. Yuan, Tao Zhang, T. Z. Han, Yanping Huang, Xu Shan, Muhammad Irshad, Y. J. Sun, Yifan Yang, F. E. Maas, T. Hu, Q. Liu, S. S. Fang, C. Y. Guan, X. S. Kang, M. H. Ye, Y. P. Lu, T. Holtmann, M. G. Zhao, Y. H. Yang, X. X. Ma, J. Zhu, Y. B. Liu, X. F. Wang, G. Y. Tang, M. Kavatsyuk, H. C. Shi, O. Bakina, A. Calcaterra, Z. G. Zhao, L. Z. Liao, Y. G. Xie, L. Y. Dong, H. H. Zhang, M. Lellmann, S. Maldaner, R. Kappert, L. L. Ma, L. Gong, Li Zhou, Y. Schelhaas, Bingxuan Liu, G. Wilkinson, Y. Fu, M. Kuemmel, Matthew Glenn Kurth, W. Shan, J. Y. Liu, M. X. Luo, Dylan Jaide White, Yuyi Wang, D. V. Dedovich, A. Amoroso, W. B. Yan, W. M. Song, L. J. Wu, X. Wu, F. A. Harris, G. F. Xu, Anita, S. Gu, M. N. Achasov, B. X. Zhang, Jie Zhao, H. Y. Zhang, W. S. Cheng, S. X. Du, Yao Zhang, G. Li, A. Dbeyssi, Y. H. Zheng, Cong-Feng Qiao, Haiwen Liu, S. Pacetti, F. Nerling, W. L. Chang, P. X. Shen, Alexey Zhemchugov, H. M. Hu, Z. Wu, X. F. Cui, Y. J. Mo, X. Liu, N. Huesken, R. B. de Boer, Shiqun Li, Q. Q. Song, A. Gilman, Xiao-Rui Lyu, Xujin Yuan, C. D. Fu, N. Yu. Muchnoi, H. Leithoff, G. F. Chen, I. B. Nikolaev, Y. H. Tan, Ke Li, J. H. Yin, Lei Zhang, Zhiqing Liu, L. D. Liu, M. Y. Dong, B. Kopf, Angelo Rivetti, C. H. Li, Y. C. Zhu, Zhiqing Zhang, X. L. Luo, P. Kiese, K. L. He, C. Q. Feng, X. R. Chen, M. Shao, Y. T. Gu, Magnus Wolke, Yuan Hou, S. B. Liu, Feng Yan, Y. F. Liang, Y. H. Zhang, Y. G. Gao, W. H. Wang, C. X. Yue, J. Y. Zhang, X. Y. Jiang, J. Q. Li, A. Q. Guo, H. B. Liu, F. Li, J. H. Zou, Evelina Gersabeck, F. C. Ma, Ziyi Wang, Yao Wang, Serkant Ali Cetin, Y. Nefedov, S. S. Sun, Z. Y. Deng, K. Begzsuren, M. Z. Wang, M. M. Ma, C. X. Liu, R. A. Briere, M. Himmelreich, T. Johansson, J. F. Chang, F. Bianchi, X. Wang, W. J. Zhu, Xiangcheng Pan, F. De Mori, Jimin Zhao, T. Y. Qi, P. L. Li, X. S. Qin, J. Bloms, A. Sarantsev, D. H. Wei, J. S. Lange, Xingguo Li, Z. Y. Wang, Q. P. Ji, X. D. Shi, T. Held, Shan Jin, K. Goetzen, Meng Wang, R. E. Mitchell, T. Liu, R. Farinelli, X. S. Jiang, Andrzej Kupsc, J. F. Qiu, Y. K. Heng, X. Y. Shen, T. T. Han, D. Y. Liu, J. B. Jiao, S. J. Zhao, R. Kliemt, Krisztian Peters, Stephen Lars Olsen, H. L. Ma, M. Qi, H. J. Yang, T. Lenz, D. M. Li, S. Zhang, L. Fava, W. Imoehl, Zhi Yang, O. B. Kolcu, Y. Zhang, X. H. Mo, L. Q. Qin, J. L. Li, M. L. Chen, Y. Ding, Guangshun Huang, V. Prasad, A. Mangoni, A. Guskov, A. Yuncu, Jie Yu, S. Han, G. X. Sun, J. V. Bennett, S. L. Yang, H. Xiao, Ziyuan Li, Huanhuan Liu, M. Rolo, H. R. Qi, X. Cai, Z. Y. Yuan, F. X. Lu, G. Felici, B. J. Liu, Q. J. Xu, H. J. Li, T. Y. Xing, D. Y. Chen, A. Bortone, Z. Jiao, Fu-Hu Liu, L. Lavezzi, M. Albrecht, J. F. Hu, Lingxuan Zhang, Y. X. Tan, L. L. Wang, H. Cai, Q. M. Ma, F. Feldbauer, M. Pelizaeus, L. Q. Huang, Feng Liu, S. Ahmed, Y. X. Yang, Jacek Biernat, L. H. Wu, Y. B. Zhao, W. Kühn, R. X. Yang, M. Kuessner, W. D. Li, Zhiyong Zhang, B. C. Ke, S. H. Zhu, Xuanhong Lou, Viktor Thorén, Wei Xu, K. J. Zhu, Nasser Kalantar-Nayestanaki, Y. Yuan, Z. J. Xiao, X. P. Qin, M. Ablikim, X. Q. Hao, Huimin Wang, G. Cibinetto, P. Adlarson, X. L. Lu, B. T. Tsednee, Z. Y. You, Z. A. Zhu, W. C. Yan, T. Yu, J. Dong, Yi Jin, Yan Zhang, X. H. Li, P. W. Luo, X. K. Zhou, L. Wollenberg, Q. Zhao, Y. Z. Sun, L. Xia, J. L. Zhang, J. F. Sun, Z. Ning, S. Y. Xiao, S. Nisar, C. J. Tang, Yue Pan, F. F. Sui, M. H. Gu, Xingchao Dai, S. Marcello, Y. J. Xiao, I. Balossino, Y. Hu, S. Janchiv, Xiang Zhou, I. K. Keshk, R. Kiuchi, F. Cossio, Ruiting Ma, Y. P. Guo, C. X. Lin, Z. Qian, Y. Zeng, C. P. Shen, Zhe Sun, D. C. Shan, M. Rump, Gang Zhao, S. Lusso, X. H. Xie, Wenbin Qian, M. Bertani, C. Zhong, Y. F. Wang, Z. A. Liu, J. Zhao, L. Yan, C. X. Yu, Y. B. Chen, Xiaofeng Zhu, J. Z. Zhang, Tao Sun, L. K. Li, G. A. Chelkov, L. Yang, J. J. Song, L. Sun, V. Rodin, Jianyu Zhang, I. Uman, X. L. Gao, Jinfei Wu, H. B. Jiang, Jiawei Zhang, C. F. Redmer, J. D. Lu, B. Zheng, R. G. Ping, C. Schnier, Y. Q. Wang, X. B. Ji, S. Nakhoul, X. T. Huang, S. Jaeger, T. Hussain, R. S. Shi, Z. X. Meng, C. Dong, S. Sosio, Y. X. Zhao, Y. H. Xie, P. Patteri, W. Gradl, X. A. Xiong, Y. Ban, P. Weidenkaff, F. H. Heinsius, Xu Yan, X. Y. Ma, R. T. Ma, P. Larin, Y. X. Song, D. Y. Wang, Joachim Pettersson, S. P. Wen, X. H. Bai, A. A. Zafar, W. X. Gong, K. H. Rashid, Zujian Wang, Y. Bai, X. R. Zhou, M. Maggiora, Ling Zhao, Lei Zhao, Cheng Li, Z. L. Hou, S. F. Zhang, J. Tang, Yunlong Zhang, Y. T. Liang, A. Pathak, S. J. Chen, D. Bettoni, R. Poling, Jianping Zheng, C. Z. Yuan, N. Cao, T. J. Min, K. Y. Liu, I. Garzia, M. Destefanis, J. Q. Zhang, Y. F. Long, K. Ravindran, M. Greco, X D Shi, Y. J. Mao, H. X. Yang, Q. A. Malik, G. Mezzadri, Yi Zhang, Huihui Liu, R. P. Guo, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, J. G. Messchendorp, L. M. Gu, J. P. Dai, P. R. Li, Y. M. Ma, Z. P. Mao, W. G. Li, Y. K. Sun, Z. Huang, S. Spataro, J. Fang, X. P. Xu, Tao Luo, Lei Li, Ch. Rosner, B. X. Yu, H. S. Chen, H. L. Dai, Igor Boyko, L. Koch, A. Khoukaz, G. F. Cao, R. Baldini Ferroli, C. Li, C. W. Wang, G. Rong, S. Malde, H. Liang, Haiping Peng, Ke Wang, W. Y. Sun, W. P. Wang, Z. H. Qin, H. Qi, B. L. Wang, M. Fritsch, Jianhao Zhang, Ke Liu, J. Libby, Yaquan Fang, A. Pitka, John Jake Lane, Guoqiang Yu, K. Schoenning, B. S. Zou, and Niklaus Berger
Subjects: Nuclear physics, Physics, 0103 physical sciences, Detector, Hadron, General Physics and Astronomy, 010306 general physics, Branching (polymer chemistry), 01 natural sciences
Abstract: Using 2.93 fb(-1) of e(+)e(-) collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first measurements of the absolute branching fractions of 14 hadro ...
Published: 2020

94. Determination of Strong-Phase Parameters in D→KS,L0π+π−

Author: L. Yang, Y. Ding, B. J. Liu, Zongyuan Wang, Xiaozhong Huang, T. Y. Xing, D. Y. Chen, W. Kühn, Y. T. Tan, Tao Luo, H. J. Lu, J. G. Lu, Y. Fu, Xujin Yuan, Z. X. Meng, X. A. Xiong, Q. A. Malik, G. Mezzadri, A. Calcaterra, Z. G. Zhao, L. Z. Liao, Q. Ouyang, Z. Y. You, Z. A. Zhu, W. Gradl, Y. H. Zheng, D. Y. Wang, B. X. Yu, Cong-Feng Qiao, S. B. Liu, L. Zhang, Y. H. Yan, Krisztian Peters, T. Weber, A. A. Zafar, Y. Nefedov, Andrzej Kupsc, S. S. Fang, F. E. Maas, T. Hu, H. H. Zhang, Z. J. Sun, C. P. Shen, J. W. Zhao, Y. C. Zhu, N. Yu. Muchnoi, H. S. Chen, Fang Liu, I. Denysenko, T. Y. Qi, W. C. Yan, M. L. Chen, B. Y. Zhang, J. J. Xu, L. M. Gu, L. P. Zhou, P. R. Li, S. Maldaner, X. Y. Jiang, S. L. Yang, S. F. Zhang, K. H. Rashid, Y. B. Liu, O. Bakina, Bingxuan Liu, G. Wilkinson, H. L. Dai, Igor Boyko, Y. H. Zhang, F. Feldbauer, Y. M. Ma, G. R. Liao, W. S. Cheng, Yao Zhang, Z. Q. Yang, L Y Liu, Y. X. Xia, S. H. Zhu, G. Li, T. Yu, M. M. Ma, Z. P. Mao, Feng Liu, Y. Schelhaas, H. J. Li, X. K. Zhou, P. X. Shen, A. Gilman, L. J. Wu, Y. T. Liang, R. Farinelli, J. S. Huang, Cui Li, J. Fang, M. Ablikim, Z. Y. Wang, H. B. Li, C. D. Fu, C. Q. Feng, X. Liu, A. G. Denig, C. L. Luo, T. Held, Z. Wu, C. X. Liu, Michael Papenbrock, F. Yan, Q. Zhou, H. R. Qi, Q. Q. Song, S. J. Zhao, Z. Gao, L. Koch, A. Khoukaz, J. Min, Huanhuan Liu, M. Richter, S. J. Chen, X. L. Ji, Y. J. Mo, Z. Ning, S. Y. Xiao, Zhiqing Zhang, Stephen Lars Olsen, H. L. Ma, T. Lenz, D. M. Li, R. Baldini Ferroli, C. C. Zhang, B. Zhong, L. B. Guo, Z. Y. Deng, J. L. Zhang, Ch. Rosner, Y. Pan, G. Felici, C. W. Wang, G. Rong, Guangshun Huang, I. Uman, B. Kopf, Shan Jin, Serkant Ali Cetin, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, S. Malde, S. Nakhoul, M. Z. Wang, Tao Zhang, J. Chai, W. Imoehl, Z. J. Xiao, D. J. Ambrose, G. X. Sun, J. V. Bennett, K. Goetzen, Q. J. Xu, X. Wang, X. S. Kang, F. De Mori, M. Kuemmel, Matthew Glenn Kurth, Lei Li, M. Pelizaeus, Yunlong Zhang, Ziyuan Li, X. N. Li, V. Prasad, S. Han, F. F. Sui, M. H. Gu, X. N. Ma, R. Kiuchi, Xingguo Li, K. L. He, L. Yan, M. Kuessner, Jimin Zhao, J. C. Chen, Xuanhong Lou, Viktor Thorén, P. L. Li, S. Qian, Q. An, Jialun Ping, Haiping Peng, J. Libby, Z. Jiao, Fu-Hu Liu, Xu Shan, D. H. Zhang, H. Y. Sheng, Ke Wang, K. Zhang, Nasser Kalantar-Nayestanaki, P. Larin, D. Bettoni, W. Shan, S. Ahmed, Xiang-Gan Liu, Y. G. Xie, J. C. Li, X. F. Cui, Y. X. Yang, X. Y. Zhang, C. Sowa, Y. B. Zhao, C. Morales Morales, Li Zhou, R. Poling, H. L. Jiang, B. Wang, J. Zhuang, G. A. Chelkov, M. Kavatsyuk, M. X. Luo, C. X. Yu, J. Dong, Meng Wang, Jianping Zheng, Q. P. Ji, S. X. Du, R. Kappert, Liqing Xu, D. V. Dedovich, X. H. Li, Xu Zhou, Z. L. Dou, L. H. Wu, Y. H. Xie, M. Qi, H. J. Yang, G. Y. Tang, R. Kliemt, A. Mangoni, Q. L. Xiu, X. L. Wang, J. B. Liu, Y. J. Sun, Yifan Yang, G. F. Xu, Y. P. Lu, Yaquan Fang, I. Balossino, A. Pitka, Fenfen An, B. L. Wang, Xingchao Dai, T. C. Zhao, Zhiqing Liu, M. Albrecht, W. D. Li, S. Nisar, B. T. Tsednee, Q. Zhao, Evelina Gersabeck, Y. Z. Sun, B. Zheng, X. Y. Shen, R. G. Ping, Anita, S. Gu, T. J. Min, C. J. Tang, W. J. Zhu, K. Y. Liu, X. D. Shi, Xiang Zhou, Y. Hu, Xiao-Rui Lyu, X. F. Wang, M. Savrie, M. Maggiora, Ling Zhao, T. Johansson, Lei Zhao, J. F. Chang, B. X. Zhang, A. Guskov, Jie Yu, Jie Zhao, D. X. Lin, Alexey Zhemchugov, H. M. Hu, Yi Jin, D. Y. Liu, J. B. Jiao, J Chen, M. G. Zhao, Y. H. Yang, X. X. Ma, J. Zhu, Q. M. Ma, W. P. Wang, X. L. Luo, Z. A. Liu, K. Schoenning, Q. Y. Li, Y. Gao, B. S. Zou, I. K. Keshk, C. X. Lin, M. Rump, Gang Zhao, J. F. Sun, Y. F. Wang, Y. G. Gao, Z. H. Qin, X. Y. Song, Z. L. Hou, A. Mustafa, O. B. Kolcu, M. Destefanis, Y. Zhang, X. L. Gao, Magnus Wolke, K. J. Zhu, Niklaus Berger, Y. F. Liang, Y. Ban, P. Weidenkaff, F. H. Heinsius, J. W. Li, K. Begzsuren, D. P. Jin, Y. Yuan, Z. G. Wang, S. Marcello, Y. Zeng, Y. S. Zhu, A. Q. Guo, Y. J. Lin, Zhe Sun, S. Lusso, J. Y. Liu, Yu Zhang, X. Cai, L. Lavezzi, F. Bianchi, H. Y. Zhang, Haiwen Liu, C. Dong, L. Xia, R. M. Wang, Y. J. Xiao, M. Alekseev, G. Cibinetto, S. Sosio, C. Z. Yuan, N. Cao, Jun-Yi Zhang, I. B. Nikolaev, S. P. Wen, H. Liang, X. Q. Hao, X. R. Zhou, M. Himmelreich, W. G. Li, Q. Liu, Y. P. Guo, Y. B. Chen, Xiaofeng Zhu, J. Z. Zhang, J. Bloms, Cheng Li, G. F. Chen, Y. K. Sun, Z. P. Zhang, P. W. Luo, N. Qin, Xiaoyu Zhou, Joachim Pettersson, J. Y. Zhang, L. L. Ma, L. Gong, Q. Gao, J. J. Song, L. Sun, J. Z. Fan, J. H. Yin, X. Tang, S. Spataro, X. P. Xu, A. Amoroso, Zujian Wang, M. Fritsch, H. W. Wen, A. Yuncu, M. Rolo, Y. Bai, Y. K. Heng, F. Cossio, A. Dbeyssi, Jianhao Zhang, G. F. Cao, V. Rodin, Ke Liu, M. Shao, Y. T. Gu, X D Shi, Y. J. Mao, H. X. Yang, J. F. Hu, X. B. Ji, I. Garzia, P. Patteri, B. Garillon, Huihui Liu, Zhiyong Zhang, J. G. Messchendorp, X. P. Qin, J. P. Dai, Angelo Rivetti, C. F. Redmer, J. D. Lu, Y. Q. Wang, X. T. Huang, A. Sarantsev, D. H. Wei, J. S. Lange, X. H. Mo, L. S. Wang, M. H. Ye, L. L. Wang, H. Cai, Jacek Biernat, L. Y. Dong, F. Nerling, M. Y. Dong, H. B. Liu, J. H. Zou, S. S. Sun, X. S. Qin, R. E. Mitchell, Bibo Ke, W. B. Yan, M. N. Achasov, S. Pacetti, N. Huesken, Ke Li, T. Hussain, X. Y. Ma, W. X. Gong, X. H. Sun, P. Kiese, Yuan Hou, R. A. Briere, X. S. Jiang, R. X. Yang, Wei Xu, P. Adlarson, J. Q. Zhang, S. L. Niu, F. Y. Li, Y. F. Long, K. Ravindran, M. Greco, Yi Zhang, R. P. Guo, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, F. Li, F. C. Ma, T. Liu, J. F. Qiu, L. Fava, Yang Zhang, P. L. Wang, Muhammad Irshad, F. A. Harris, W. L. Chang, H. Leithoff, and M. Bertani
Subjects: Physics, Particle physics, Annihilation, Phase (waves), General Physics and Astronomy, 01 natural sciences, law.invention, law, 0103 physical sciences, CP violation, Charm (quantum number), Sensitivity (control systems), 010306 general physics, Collider, Mixing (physics), Energy (signal processing)
Abstract: We report the most precise measurements to date of the strong-phase parameters between D^{0} and D[over ¯]^{0} decays to K_{S,L}^{0}π^{+}π^{-} using a sample of 2.93 fb^{-1} of e^{+}e^{-} annihilation data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. Our results provide the key inputs for a binned model-independent determination of the Cabibbo-Kobayashi-Maskawa angle γ/ϕ_{3} with B decays. Using our results, the decay model sensitivity to the γ/ϕ_{3} measurement is expected to be between 0.7° and 1.2°, approximately a factor of three smaller than that achievable with previous measurements, based on the studies of the simulated data. The improved precision of this work ensures that measurements of γ/ϕ_{3} will not be limited by knowledge of strong phases for the next decade. Furthermore, our results provide critical input for other flavor-physics investigations, including charm mixing, other measurements of CP violation, and the measurement of strong-phase parameters for other D-decay modes.
Published: 2020

95. First Observation of D+→ημ+νμ and Measurement of Its Decay Dynamics

Author: A. Khoukaz, Y. B. Zhao, R. Baldini Ferroli, L. Q. Qin, C. Li, S. Malde, M. Z. Wang, J. Dong, C. Zhong, Krisztian Peters, T. Holtmann, S. Nisar, Shan Jin, K. Goetzen, C. J. Tang, J. Y. Liu, H. J. Lu, Jianyu Zhang, S. L. Yang, H. B. Li, A. G. Denig, C. L. Luo, Q. Zhou, Y. Hu, Y. P. Lu, Haiping Peng, M. H. Ye, S. H. Zhu, T. Yu, Z. A. Liu, L. Y. Dong, X. K. Zhou, C. F. Redmer, J. G. Lu, F. Nerling, Huanhuan Liu, J. D. Lu, C. Schnier, Y. Q. Wang, B. Zhong, L. B. Guo, B. Kopf, S. Zhang, F. E. Maas, X. T. Huang, X D Shi, T. Hu, X. Wang, F. De Mori, G. Felici, Feng Yan, K. L. He, Ziyi Wang, W. B. Yan, I. B. Nikolaev, Wenbin Qian, J. H. Yin, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, W. Yuan, Tao Zhang, Lei Zhang, O. Bakina, Y. G. Gao, M. N. Achasov, M. Albrecht, M. Shao, Y. T. Gu, Z. X. Meng, X. A. Xiong, X. H. Bai, A. A. Zafar, S. Pacetti, W. D. Li, S. Ahmed, Y. X. Yang, R. Kappert, Jimin Zhao, T. Y. Qi, P. L. Li, H. Liang, P. X. Shen, Z. Wu, Y. J. Mao, H. X. Yang, B. T. Tsednee, Meng Wang, T. T. Han, S. J. Zhao, J. F. Sun, Muhammad Irshad, R. X. Yang, T. Z. Han, Yanping Huang, Xu Shan, N. Huesken, A. Sarantsev, R. S. Shi, D. H. Wei, J. S. Lange, Zhiqing Zhang, K. H. Rashid, X. N. Ma, Huimin Wang, Ke Wang, W. Y. Sun, S. Marcello, Y. Zeng, Zhe Sun, S. Lusso, G. F. Xu, M. Qi, H. J. Yang, M. Fritsch, Anita, S. Gu, C. X. Yue, Q. J. Xu, G. Y. Tang, J. Q. Zhang, Y. H. Tan, Ke Li, B. Wang, Zujian Wang, A. Calcaterra, Z. G. Zhao, Y. T. Liang, S. J. Chen, L. Z. Liao, X. H. Mo, Q. Zhao, A. Bortone, M. Y. Dong, Y. Bai, X. H. Xie, Xujin Yuan, L. L. Wang, H. Cai, Y. B. Chen, Xiaofeng Zhu, J. Z. Zhang, Xuanhong Lou, L. Q. Huang, Viktor Thorén, Jacek Biernat, Huihui Liu, Jie Zhao, Jianhao Zhang, Nasser Kalantar-Nayestanaki, H. B. Liu, V. Prasad, S. Han, H. H. Zhang, L. H. Wu, Y. Fu, Q. M. Ma, Y. Z. Sun, J. G. Messchendorp, M. Lellmann, S. Maldaner, J. L. Li, A. Yuncu, M. Rolo, J. J. Song, L. Sun, F. A. Harris, Hongrong Qi, J. H. Zou, J. P. Dai, Ke Liu, L. D. Liu, W. Imoehl, S. S. Sun, Yue Pan, I. Balossino, S. B. Liu, Y. Nefedov, Y. Yuan, X. L. Lu, Alexey Zhemchugov, H. M. Hu, W. L. Chang, H. Leithoff, J. Libby, X. H. Li, L. Wollenberg, Xingchao Dai, Yaquan Fang, X. S. Qin, Z. Ning, S. Y. Xiao, X. Y. Jiang, Guangshun Huang, Xiang Zhou, I. K. Keshk, Magnus Wolke, M. M. Ma, M. Kuemmel, Matthew Glenn Kurth, M. Kavatsyuk, H. C. Shi, Yi Jin, B. X. Zhang, L. Xia, Y. J. Xiao, Q. Liu, S. Janchiv, M. Kuessner, C. W. Wang, G. Rong, C. X. Lin, M. Rump, Gang Zhao, A. Pitka, W. Shan, Y. F. Liang, M. G. Zhao, Y. H. Yang, X. X. Ma, F. Li, Y. F. Long, K. Ravindran, M. Greco, R. E. Mitchell, B. L. Wang, X. F. Cui, J. Zhu, X. F. Wang, L. L. Ma, I. Uman, Y. C. Zhu, D. C. Shan, Zongyuan Wang, F. C. Ma, John Jake Lane, Fang Liu, Guoqiang Yu, L. Gong, M. Bertani, I. Denysenko, A. Amoroso, S. Nakhoul, Y. Zhang, G. X. Sun, J. V. Bennett, H. Xiao, S. Jaeger, L. Yang, R. Farinelli, H. Y. Zhang, Haiwen Liu, Tao Sun, R. B. de Boer, Shiqun Li, F. Cossio, Ruiting Ma, Y. P. Guo, K. J. Zhu, Z. Qian, C. X. Liu, Evelina Gersabeck, W. P. Wang, Ziyuan Li, K. Schoenning, B. S. Zou, Z. H. Qin, L. Yan, Yao Wang, G. A. Chelkov, P. Larin, Z. Jiao, Fu-Hu Liu, H. Qi, M. X. Luo, Dylan Jaide White, Xiao-Rui Lyu, Yuyi Wang, G. F. Chen, D. V. Dedovich, Shuai Liu, F. Weidner, W. J. Zhu, X. D. Shi, H. B. Jiang, W. G. Li, Niklaus Berger, J. J. Xu, Guangyi Zhang, T. Held, Yi Zhang, Stephen Lars Olsen, H. L. Ma, T. Lenz, Q. A. Malik, G. Mezzadri, Y. K. Sun, T. Liu, A. Dbeyssi, J. Y. Zhang, Y. X. Zhao, J. F. Qiu, Z. Huang, H. J. Li, Jiawei Zhang, Y. H. Xie, D. M. Li, X. L. Gao, Q. P. Ji, S. Spataro, Tao Luo, X. P. Xu, Q. Ouyang, L. Fava, Zhi Yang, Angelo Rivetti, W. Gradl, Y. H. Zheng, M. Maggiora, K. Y. Liu, Z. Y. Yuan, L. M. Gu, P. R. Li, Ling Zhao, Lei Li, Y. X. Song, Jinfei Wu, S. S. Fang, C. Y. Guan, B. C. Ke, C. H. Li, D. Y. Wang, Lei Zhao, C. Dong, S. Sosio, M. Pelizaeus, Y. M. Ma, B. X. Yu, Z. P. Mao, Z. L. Hou, Y. B. Liu, R. P. Guo, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, Z. J. Xiao, G. F. Cao, F. Feldbauer, J. Fang, W. H. Wang, Feng Liu, Joachim Pettersson, Y. F. Wang, M. Ablikim, X. L. Luo, J. Zhao, J. Q. Li, A. Q. Guo, C. Z. Yuan, N. Cao, Ch. Rosner, H. S. Chen, Cong-Feng Qiao, J. Tang, K. Begzsuren, T. Hussain, M. Himmelreich, F. Bianchi, N. Yu. Muchnoi, H. L. Dai, Igor Boyko, Xu Yan, R. T. Ma, J. Bloms, X. Y. Ma, Y. H. Zhang, Andrzej Kupsc, W. X. Gong, Yunlong Zhang, D. Bettoni, M. L. Chen, D. Y. Liu, A. Pathak, X. L. Ji, Z. Y. Wang, R. Poling, Jianping Zheng, F. X. Lu, T. J. Min, I. Garzia, S. F. Zhang, X. S. Kang, M. Destefanis, P. Kiese, Yuan Hou, Y. G. Xie, R. A. Briere, Li Zhou, W. M. Song, X. S. Jiang, S. X. Du, Zhiqing Liu, T. Johansson, J. F. Chang, Wei Xu, P. Adlarson, O. B. Kolcu, X. Cai, L. Lavezzi, X. Q. Hao, R. Kliemt, Yan Zhang, A. Mangoni, A. Guskov, Jie Yu, G. Cibinetto, P. W. Luo, L. K. Li, V. Rodin, X. B. Ji, P. Patteri, Bingxuan Liu, G. Wilkinson, W. S. Cheng, Yao Zhang, G. Li, A. Gilman, C. D. Fu, C. Q. Feng, X. R. Chen, Z. Y. Deng, Xingguo Li, Y. Ding, B. J. Liu, T. Y. Xing, D. Y. Chen, W. Kühn, Z. Y. You, Z. A. Zhu, W. C. Yan, C. P. Shen, L. J. Wu, X. Wu, Y. J. Mo, X. Y. Shen, Xiangcheng Pan, Y. K. Heng, J. F. Hu, Lingxuan Zhang, Y. X. Tan, Zhiyong Zhang, X. P. Qin, J. L. Zhang, F. F. Sui, M. H. Gu, R. Kiuchi, C. X. Yu, B. Zheng, R. G. Ping, Y. Ban, P. Weidenkaff, F. H. Heinsius, S. P. Wen, X. R. Zhou, Cheng Li, J. B. Jiao, Y. Schelhaas, X. Liu, Q. Q. Song, Serkant Ali Cetin, S. Qian, Q. An, Jialun Ping, X. Y. Zhang, X. L. Wang, J. B. Liu, Y. J. Sun, Yifan Yang, and L. Koch
Subjects: Physics, Crystallography, Branching fraction, 0103 physical sciences, Hadron, General Physics and Astronomy, Matrix element, 010306 general physics, 01 natural sciences, Lepton
Abstract: By analyzing a data sample corresponding to an integrated luminosity of 2.93 fb^{-1} collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we measure for the first time the absolute branching fraction of the D^{+}→ημ^{+}ν_{μ} decay to be B_{D^{+}→ημ^{+}ν_{μ}}=(10.4±1.0_{stat}±0.5_{syst})×10^{-4}. Using the world averaged value of B_{D^{+}→ηe^{+}ν_{e}}, the ratio of the two branching fractions is determined to be B_{D^{+}→ημ^{+}ν_{μ}}/B_{D^{+}→ηe^{+}ν_{e}}=0.91±0.13_{(stat+syst)}, which agrees with the theoretical expectation of lepton flavor universality within uncertainty. By studying the differential decay rates in five four-momentum transfer intervals, we obtain the product of the hadronic form factor f_{+}^{η}(0) and the c→d Cabibbo-Kobayashi-Maskawa matrix element |V_{cd}| to be f_{+}^{η}(0)|V_{cd}|=0.087±0.008_{stat}±0.002_{syst}. Taking the input of |V_{cd}| from the global fit in the standard model, we determine f_{+}^{η}(0)=0.39±0.04_{stat}±0.01_{syst}. On the other hand, using the value of f_{+}^{η}(0) calculated in theory, we find |V_{cd}|=0.242±0.022_{stat}±0.006_{syst}±0.033_{theory}.
Published: 2020

96. Properties of Particle Production and System Evolution in BES-Wide Energy Range

Author: Edward K. Sarkisyan-Grinbaum, Sakina Fakhraddin, Fu-Hu Liu, Bhartendu K. Singh, and Raghunath Sahoo
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Range (particle radiation), Article Subject, QC1-999, Particle, Energy (signal processing), Particle Physics - Phenomenology
Published: 2020

97. Observation of a Charged Charmoniumlike Structure in e+e−→π+π−J/ψ at s=4.26 GeV

Author: B. J. Liu, G. R. Lu, Z. A. Zhu, D. H. Sun, C. P. Shen, H. S. Chen, G. S. Huang, W. G. Li, Q. P. Ji, Y. F. Wang, Shan Wang, S. H. Zhang, X. Y. Shen, F. Li, T. Hussain, X. Y. Ma, H. Moeini, W. X. Gong, S. Spataro, X. P. Xu, X. T. Liao, F. C. Ma, Xi Chen, M. H. Ye, G. S. Varner, C. Zhu, C. H. Li, Hang Liu, I. Uman, C. Nicholson, R. Baldini Ferroli, H. M. Liu, B. Spruck, E. H. Thorndike, P. Friedel, J. F. Hu, W. B. Yan, M. N. Achasov, J. Min, H. B. Liu, L. Q. Qin, L. Y. Dong, J. F. Qiu, X. Q. Li, M. Greco, Yang Qin, B. Kopf, J. F. Sun, C. Hu, Y. Zeng, S. Pacetti, A. A. Zafar, X. L. Ji, L. Fava, M. Ullrich, Z. J. Xiao, X. N. Li, G. A. Chelkov, Q. Gao, Y. N. Gao, X. Tang, Zhe Sun, Xichao Ruan, S. P. Yu, K. L. He, G. F. Xu, G. F. Cao, Zujian Wang, S. Jin, Zhiqing Liu, Y. X. Xia, Q. A. Malik, D. J. Ambrose, Jie Yu, Y. Zhang, M. G. Zhao, Haiping Peng, M. Z. Wang, K. Y. Liu, K. X. Zhao, J. P. Dai, Tao Luo, J. V. Bennett, J. F. Chang, Z. B. Li, M. Maggiora, Ling Zhao, M. H. Gu, X. K. Zhou, Y. B. Chen, A. Q. Guo, Wei Wu, Xiaofeng Zhu, J. Z. Zhang, Lei Zhao, Z. Y. He, Z. L. Hou, Yang Yang, T. J. Min, K. J. Zhu, B. D. Schaefer, Joong-Won Park, B. X. Yu, S. L. Olsen, C. L. Ma, X. H. Zhao, R. A. Briere, Zhiqiang Liu, Miao He, W. M. Ding, K. Li, E. Prencipe, Y. G. Xie, W. D. Li, M. Qi, X. S. Jiang, J. B. Jiao, W. M. Song, H. Y. Sheng, Fang Liu, K. H. Rashid, S. X. Du, X. Y. Song, G. M. Xu, X. L. Wang, I. Denysenko, Z. G. Wang, Feng Xue, Cui Li, C. Z. Yuan, J. Z. Bai, S. Ma, O. Cakir, N. Wu, J. Q. Zhang, H. Y. Zhang, L. P. Zhou, H. L. Dai, Igor Boyko, H. W. Yu, Krisztian Peters, C. X. Yu, D. Toth, P. L. Wang, X. Zhou, H. J. Lu, J. G. Lu, I. Tapan, S. L. Li, Feng Liu, M. Leyhe, Z. H. Qin, Xiao-Tong Lu, Qi-Wen Lü, Z. P. Mao, Y. T. Liang, S. L. Zang, F. E. Maas, X. Cai, X. R. Li, Ke Wang, T. Hu, B. Y. Zhang, M. L. Chen, Y. H. Yan, C. Geng, J. W. Zhao, D. Cronin-Hennessy, M. Ablikim, Y. C. Zhu, Chuan Liu, G. X. Sun, X. F. Wang, Y. J. Mao, Y. P. Chu, Li Yan, G. F. Chen, B. Q. Wang, W. Ku¨hn, S. J. Chen, H. L. Ma, X. B. Ji, O. Bondarenko, H. P. Cheng, P. Larin, X. H. Mo, L. S. Wang, H. X. Yang, B. Zheng, D. M. Li, Sanfeng Wu, H. Muramatsu, M. Werner, V. V. Bytev, Fenfen An, Xuantong Zhang, R. G. Ping, M. Y. Dong, Y. M. Zhu, T. C. Zhao, X. Liu, F. A. Harris, J. Fang, J. S. Huang, Huihui Liu, Z. Jiao, Fu-Hu Liu, D. H. Zhang, E. Boger, Rui Zhang, T. Held, Y. B. Zhao, Guangming Huang, Z. Wu, Q. M. Ma, M. Pelizaeus, J. P. Liu, M. Bertani, Zhenghao Zhang, Z. A. Liu, C. X. Liu, J. Y. Zhang, K. Moriya, J. G. Messchendorp, Y. P. Guo, Y. H. Zheng, Cong-Feng Qiao, O. Albayrak, Y. X. Yang, Y. Yuan, Zhiqing Zhang, J. H. Zou, L. L. Wang, Qiunan Xu, Chi Zhang, A. Zallo, N. Yu. Muchnoi, T. Guo, Y. S. Zhu, D. X. Lin, O. Fuks, Serkant Ali Cetin, H. Cai, Alexey Zhemchugov, H. M. Hu, Heng-Yun Ye, Y. H. Zhang, M. R. Shepherd, Y. K. Heng, C. S. Ji, S. S. Sun, Y. Ban, P. Weidenkaff, G. Li, Q. Zhao, Y. Z. Sun, Y. J. Mo, Y. Q. Wang, L. L. Jiang, Q. G. Wen, W. Gradl, M. Kavatsyuk, K. Goetzen, J. W. Zhang, Jürgen Becker, Q. Liu, D. Y. Wang, S. Qian, Q. An, Jialun Ping, S. J. Zhao, Xiaocong Ai, I. B. Nikolaev, W. Lai, C. D. Fu, Z. Y. Wang, Gang Zhao, R. E. Mitchell, H. Liang, C. Q. Feng, C. J. Tang, X. Y. Zhang, S. P. Wen, X. S. Qin, X. R. Zhou, Y. P. Lu, B. X. Zhang, Kai Liu, Z. Y. Deng, M. Shao, Y. T. Gu, Z. Ning, X. T. Huang, Y. F. Liang, J. L. Fu, M. Lara, Cheng Li, Xingguo Li, G. Rong, Y. J. Sun, Q. J. Xu, D. P. Jin, Q. J. Li, L. G. Xia, J. C. Chen, Xuanhong Lou, H. B. Li, Y. L. Han, A. G. Denig, C. L. Luo, Nasser Kalantar-Nayestanaki, Dayong Wang, P. L. Liu, S. B. Liu, L. H. Wu, Y. Nefedov, Jianming Bian, C. Morales Morales, A. Sarantsev, D. H. Wei, J. S. Lange, Qun-Yao Wang, Zhiyong Zhang, LiLi Zhang, C. C. Zhang, B. Zhong, L. B. Guo, Lei Li, Ulrich Wiedner, Shou-hua Zhu, M. Kornicer, B. S. Zou, T. Ma, Yanping Huang, J. C. Li, J. Zhuang, M. X. Luo, Jian Wei, Yucheng Huang, D. V. Dedovich, Zhenli Xu, X. L. Luo, Y. H. Guan, G. R. Liao, F. F. Jing, A. Calcaterra, Z. G. Zhao, Q. Ouyang, S. S. Fang, Y. B. Liu, L. Huang, H. H. Zhang, Q. L. Xiu, Z. J. Sun, H. Loehner, HongSheng Zhao, R. Poling, Jianping Zheng, M. Lv, Z. Xue, M. Destefanis, Yao Wang, and Y. Ding
Subjects: Physics, Particle physics, Structure (category theory)
Published: 2020

98. Observation of e+e−→γX(3802) at BESIII

Author: F. Li, F. C. Ma, Fang Liu, P. Larin, M. H. Ye, X. L. Ji, Jie Yu, S. P. Yu, C. Dong, L. Y. Dong, J. F. Qiu, C. S. Ji, Q. Ouyang, Yang Qin, L. Fava, Y. X. Xia, X. K. Zhou, T. J. Min, K. J. Zhu, H. Liang, Q. P. Ji, C. B. Zhang, D. X. Lin, Alexey Zhemchugov, H. M. Hu, Q. Liu, J. W. Zhang, S. S. Fang, L. H. Wu, Zhiqing Liu, W. M. Ding, J. M. Bian, T. Johansson, J. F. Chang, H. L. Lu, S. J. Zhao, W. Lai, Y. G. Xie, Y. B. Liu, Q. Gao, Y. N. Gao, P. Wang, Y. Zhang, Y. Ding, Li Zhou, I. Denysenko, G. X. Sun, Li Yan, J. Z. Fan, J. Q. Zhang, Y. L. Han, Xinglong Li, Q. J. Xu, M. Bertani, S. X. Du, L. G. Xia, Z. A. Liu, S. Schumann, Yao Wang, B. Y. Zhang, Y. H. Zheng, A. A. Zafar, G. Li, Y. F. Wang, X. L. Luo, B. J. Liu, J. C. Chen, Xuanhong Lou, Nasser Kalantar-Nayestanaki, Y. H. Guan, Y. X. Yang, K. H. Rashid, X. Cai, X. R. Li, R. Poling, X. H. Mo, L. S. Wang, L. L. Wang, H. Cai, C. D. Fu, Cong-Feng Qiao, O. Albayrak, Y. Ban, P. Weidenkaff, H. W. Yu, C. Q. Feng, H. J. Lu, J. G. Lu, Z. Jiao, Fu-Hu Liu, D. H. Zhang, Y. B. Zhao, W. Shan, J. Dong, C. Morales Morales, J. F. Sun, G. R. Lu, G. A. Chelkov, Kai Liu, M. Y. Dong, Y. T. Liang, S. J. Chen, O. Bondarenko, W. P. Wang, N. Yu. Muchnoi, X. S. Kang, Heng-Yun Ye, Y. H. Zhang, H. B. Liu, Haiping Peng, J. H. Liu, X. R. Chen, Yaquan Fang, T. Hussain, Z. A. Zhu, Z. G. Wang, H. Y. Zhang, G. F. Chen, M. R. Shepherd, M. Werner, W. Gradl, M. Ripka, Z. Y. Deng, Q. Zhao, K. Schoenning, Xingguo Li, B. S. Zou, Y. Zeng, Zhe Sun, Y. Z. Sun, X. Liu, Z. Y. Wang, Y. Q. Wang, S. P. Wen, X. S. Qin, X. R. Zhou, J. L. Fu, Cheng Li, J. H. Zou, O. Fuks, M. Lv, Z. Xue, Ke Wang, D. Y. Wang, I. B. Nikolaev, M. Maggiora, X. Y. Zhou, J. Y. Zhang, J. Min, S. S. Sun, S. Nisar, C. J. Tang, X. Y. Ma, H. Moeini, W. X. Gong, Q. A. Malik, W. C. Yan, S. B. Liu, C. P. Shen, Y. Nefedov, Y. P. Lu, Zhiqiang Liu, Miao He, M. Shao, Y. T. Gu, S. Braun, Ling Zhao, X. K. Chu, Lei Zhao, J. J. Zhang, M. Destefanis, Z. Y. He, Z. L. Hou, B. Kopf, J. Z. Bai, Q. J. Li, Z. H. Wang, B. Spruck, E. H. Thorndike, L. Q. Qin, L. P. Zhou, Fenfen An, Y. K. Heng, Yang Yang, F. E. Maas, Gang Zhao, Y. J. Mo, K. L. He, C. Hu, X. F. Wang, C. F. Redmer, Xiaocong Ai, T. C. Zhao, L. L. Jiang, Z. P. Mao, D. Li, R. E. Mitchell, X. Tang, B. Wang, M. Z. Wang, Q. M. Ma, S. L. Zang, Xiao-Tong Lu, A. Zallo, J. P. Dai, Jinxing Zheng, T. Hu, H. P. Cheng, J. Fang, Tao Li, C. H. Li, Y. B. Chen, D. Xiao, Xiaofeng Zhu, J. Z. Zhang, X. C. Chen, Y. P. Chu, X. L. Kang, A. Sarantsev, B. Kloss, X. Y. Niu, T. Guo, X. B. Ji, M. Qi, D. H. Wei, P. R. Li, J. S. Lange, Q. W. Zhao, W. B. Yan, G. S. Huang, H. L. Ma, X. T. Huang, Y. Yuan, C. Z. Yuan, Y. S. Zhu, Serkant Ali Cetin, D. M. Li, G. Rong, M. G. Zhao, M. N. Achasov, C. Geng, Qun-Yao Wang, S. Pacetti, Q. L. Xiu, Z. Ning, Zhiyong Zhang, M. Pelizaeus, Xuantong Zhang, M. Kavatsyuk, Guangming Huang, Liqing Xu, S. H. Zhang, X. Y. Shen, X. Q. Li, K. Moriya, J. B. Jiao, Z. Wu, Y. P. Guo, Xichao Ruan, Ke Li, M. Greco, R. Baldini Ferroli, N. Wu, Krisztian Peters, Zhiqing Zhang, Z. P. Zhang, M. H. Gu, B. X. Zhang, H. Y. Sheng, C. X. Yu, B. Zheng, R. G. Ping, Zujian Wang, Feng Liu, M. Ablikim, K. Y. Liu, Z. B. Li, X. H. Zhao, S. Qian, Q. An, Jialun Ping, S. L. Olsen, R. A. Briere, X. Y. Zhang, Chi Zhang, X. S. Jiang, M. Lara, Y. J. Sun, X. Zhou, I. Tapan, Y. H. Yan, J. W. Zhao, D. Cronin-Hennessy, Y. C. Zhu, E. Boger, T. Held, D. J. Ambrose, O. Cakir, E. Prencipe, W. D. Li, Cui Li, Shan Wang, G. S. Varner, Magnus Wolke, Y. F. Liang, D. P. Jin, A. Calcaterra, Z. G. Zhao, Dayong Wang, P. L. Liu, Y. J. Mao, H. X. Yang, L. Huang, H. H. Zhang, Andrzej Kupsc, Z. J. Sun, H. Loehner, W. L. Yuan, M. L. Chen, I. Uman, Huihui Liu, J. P. Liu, H. B. Li, A. G. Denig, C. L. Luo, M. Ullrich, Z. J. Xiao, J. G. Messchendorp, C. C. Zhang, B. Zhong, L. B. Guo, H. Muramatsu, Ulrich Wiedner, M. Kornicer, Qiunan Xu, T. Ma, J. C. Li, A. Q. Guo, J. Zhuang, M. X. Luo, Jian Wei, Yucheng Huang, D. V. Dedovich, W. M. Song, M. Leyhe, Z. H. Qin, Chuan Liu, W. G. Li, S. Spataro, X. P. Xu, Lei Li, H. M. Liu, J. F. Hu, G. F. Cao, S. Ma, D. Toth, Tao Luo, J. V. Bennett, B. X. Yu, H. S. Chen, J. S. Huang, C. X. Liu, H. L. Dai, Igor Boyko, G. F. Xu, S. Jin, X. Y. Song, P. L. Wang, K. Goetzen, W. Kuehn, and F. A. Harris
Published: 2020

99. Determination of the Pseudoscalar Decay Constant fDs+ via Ds+→μ+νμ

Author: M. Y. Dong, H. Liang, H. B. Liu, D. Y. Liu, J. B. Jiao, Y. K. Heng, R. Farinelli, M. Qi, J. H. Zou, H. L. Ma, H. J. Yang, D. M. Li, S. S. Sun, X. S. Qin, M. Fritsch, S. Ahmed, M. Pelizaeus, M. Richter, Z. Ning, L. J. Wu, Y. J. Mo, R. E. Mitchell, H. J. Lu, J. G. Lu, Kai Liu, Michael Papenbrock, F. Yan, J. F. Hu, X. B. Ji, M. Tiemens, Ke Liu, S. B. Liu, S. F. Zhang, Zhiyong Zhang, J. C. Li, J. Zhuang, F. E. Maas, T. Hu, L. Zhang, Y. Nefedov, F. De Mori, Y. Zhang, T. Holtmann, P. Patteri, J. Y. Liu, Q. A. Malik, G. Mezzadri, S. Qian, Q. An, Jialun Ping, K. Zhang, Z. J. Xiao, M. X. Luo, D. V. Dedovich, F. Li, F. C. Ma, Fang Liu, X. K. Zhou, I. Denysenko, W. C. Yan, O. Bakina, M. Bertani, Z. Haddadi, L. Yang, Q. Gao, Y. N. Gao, Ke Li, X. N. Ma, L. M. Gu, L. P. Zhou, Y. M. Ma, Z. P. Mao, X. Y. Zhang, Meng Wang, X. Y. Zhou, Z. T. Sun, M. Lara, J. B. Liu, Y. J. Sun, Yifan Yang, J. Z. Fan, Zhiqing Liu, T. Johansson, J. F. Chang, G. S. Huang, X. Zhou, Y. Fu, I. Tapan, Y. H. Yan, I. B. Nikolaev, J. H. Yin, B. Y. Zhang, Ke Wang, X D Shi, Xiao-Rui Lyu, Y. J. Mao, Y. F. Wang, O. B. Kolcu, X. Cai, L. Lavezzi, X. Q. Hao, J. W. Zhao, V. Prasad, Yunlong Zhang, H. L. Liu, Y. X. Yang, D. Bettoni, H. X. Yang, I. Garzia, Y. P. Lu, Cui Li, P. X. Shen, Z. Wu, J. F. Qiu, Q. P. Ji, Y. C. Zhu, L. Yan, P. Wang, M. Kuessner, J. Fang, Tao Li, A. Calcaterra, Z. G. Zhao, S. Fegan, L. Z. Liao, H. H. Zhang, Z. J. Sun, Y. G. Gao, B. Garillon, Huihui Liu, Y. T. Tan, W. Gradl, M. Ripka, Q. Zhao, Y. Ban, P. Weidenkaff, F. H. Heinsius, Z. Gao, S. P. Wen, X. R. Zhou, Jun-Yi Zhang, Y. P. Guo, J. G. Messchendorp, Zhiqing Zhang, M. Shao, Y. T. Gu, L. Fava, Ch. Rosner, J. P. Dai, R. Poling, G. S. Varner, Liqing Xu, X. Y. Shen, Y. Z. Sun, Bibo Ke, A. Zallo, B. Wang, W. B. Yan, M. N. Achasov, D. Y. Wang, J. Libby, C. X. Lin, R. Kliemt, H. B. Li, A. G. Denig, C. L. Luo, X. Xia, M. Kuemmel, Matthew Glenn Kurth, Qiunan Xu, W. Shan, Cheng Li, S. Han, Z. P. Zhang, Xiaozhong Huang, Gang Zhao, Yaquan Fang, S. Zhu, X. Liu, A. Mangoni, A. Guskov, H. R. Qi, Q. Zhou, J. J. Xu, J. Min, X. F. Wang, A. Sarantsev, A. Pitka, A. Q. Guo, C. W. Wang, G. Rong, S. Pacetti, L. H. Wu, Y. Ding, M. Kavatsyuk, Q. M. Ma, C. C. Zhang, D. H. Wei, P. R. Li, J. S. Lange, Serkant Ali Cetin, P. L. Chen, D. W. Bennett, G. A. Chelkov, B. Zhong, L. B. Guo, Zujian Wang, Y. Bai, T. Held, Yang Zhang, Ling Zhao, B. J. Liu, A. Mustafa, J. L. Zhang, J. S. Huang, B. Kopf, M. H. Gu, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, K. L. He, Tao Zhang, Y. H. Xie, J. Pellegrino, W. P. Wang, T. J. Min, M. Kornicer, Andrzej Kupsc, C. X. Liu, Z. H. Qin, H. Y. Sheng, Y. Yuan, Y. S. Zhu, K. J. Zhu, W. Kühn, X. L. Ji, M. Maggiora, W. M. Song, M. Z. Wang, Jimin Zhao, K. Schoenning, Q. Y. Li, G. Cibinetto, Yu Zhang, B. S. Zou, Z. Liu, M. L. Chen, W. G. Li, P. L. Li, Z. Y. You, Z. A. Zhu, Niklaus Berger, C. X. Yu, Y. K. Sun, Xu Shan, Yi Jin, Xinglong Li, S. Spataro, X. H. Mo, L. S. Wang, M. Destefanis, Q. Liu, X. Y. Jiang, M. H. Ye, Lei Zhao, Z. L. Hou, X. P. Xu, Lei Li, B. X. Zhang, Bingxuan Liu, B. Zheng, T. Weber, M. M. Ma, L. L. Ma, L. Gong, T. Khan, R. G. Ping, J. W. Li, P. L. Wang, G. F. Xu, X. Tang, L. L. Wang, H. Cai, A. Amoroso, M. Alekseev, P. F. Duan, C. P. Shen, Dan Wang, G. F. Cao, Yao Zhang, Y. G. Xie, G. Li, Y. Hu, L. Xia, Muhammad Irshad, A. Yuncu, M. Rolo, A. Dbeyssi, C. Z. Yuan, Y. J. Xiao, S. X. Du, Magnus Wolke, Gianfranco Morello, M. Albrecht, Y. F. Liang, Z. L. Dou, A. Gilman, J. F. Sun, Y. Pan, D. P. Jin, A. Julin, X. Y. Song, F. Cossio, W. D. Li, F. Feldbauer, C. D. Fu, L. Y. Dong, J. Chai, B. T. Tsednee, Z. X. Meng, X. A. Xiong, N. Qin, G. X. Sun, J. V. Bennett, Shan Jin, K. Goetzen, F. A. Harris, W. L. Chang, Z. L. Huang, Feng Liu, S. Marcello, Y. Zeng, W. J. Zheng, Fenfen An, C. Q. Feng, F. Nerling, A. A. Zafar, H. Leithoff, Z. Jiao, Fu-Hu Liu, D. H. Zhang, Z. Y. Deng, M. Ablikim, C. Sowa, Y. B. Zhao, S. Lusso, J. Dong, B. L. Wang, Y. Q. Wang, S. Nisar, C. J. Tang, Xingguo Li, Y. B. Chen, K. H. Rashid, Xiaofeng Zhu, J. Z. Zhang, J. J. Song, L. Sun, D. Xiao, Y. T. Liang, Krisztian Peters, S. L. Yang, G. R. Liao, S. J. Chen, T. C. Zhao, Jinxing Zheng, C. F. Redmer, J. D. Lu, C. Schnier, X. T. Huang, Huanhuan Liu, G. Felici, B. X. Yu, Z. G. Wang, Zhi Zeng, H. Y. Zhang, Haiwen Liu, G. F. Chen, J. Y. Zhang, H. S. Chen, H. L. Dai, Igor Boyko, H. J. Li, L. Koch, A. Khoukaz, M. G. Zhao, Y. H. Yang, X. X. Ma, J. Zhu, Q. L. Xiu, S. J. Zhao, Q. J. Xu, J. C. Chen, Xuanhong Lou, Zongyuan Wang, S. Leiber, Nasser Kalantar-Nayestanaki, C. Morales Morales, Haiping Peng, Q. Ouyang, S. S. Fang, Y. B. Liu, X. L. Luo, K. Begzsuren, Y. H. Zheng, F. Bianchi, Cong-Feng Qiao, N. Yu. Muchnoi, X. S. Kang, Y. H. Zhang, Z. Y. Wang, T. Hussain, X. Y. Ma, W. X. Gong, X. H. Sun, J. Q. Zhang, S. L. Niu, F. Y. Li, X. Q. Li, Y. F. Long, M. Greco, R. Baldini Ferroli, K. Y. Liu, R. P. Guo, Z. B. Li, W. Ikegami Andersson, P. Kiese, S. L. Olsen, R. A. Briere, X. S. Jiang, O. Cakir, T. Y. Qi, Y. X. Xia, S. H. Zhu, G. Y. Tang, Jie Zhao, D. X. Lin, Alexey Zhemchugov, H. M. Hu, J. W. Zhang, I. Uman, S. Nakhoul, P. Larin, X. L. Gao, C. Dong, S. Sosio, and Joachim Pettersson
Subjects: Pseudoscalar, Physics, Particle physics, Exponential decay
Published: 2020

100. Study of the D0 → K− μ+ νμ Dynamics and Test of Lepton Flavor Universality with D0→K−l+νl Decays

Author: Q. Liu, X. L. Gao, M. Bertani, C. Dong, S. Sosio, Z. Haddadi, L. L. Ma, Joachim Pettersson, L. Yang, L. Gong, H. B. Li, M. H. Ye, A. G. Denig, C. L. Luo, A. Amoroso, Q. Zhou, Y. T. Tan, C. C. Zhang, W. Gradl, B. Zhong, M. Ripka, A. Dbeyssi, Y. H. Xie, L. D. Liu, D. Y. Wang, Angelo Rivetti, J. Pellegrino, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, L. Y. Dong, Bingxuan Liu, Y. H. Zheng, Cong-Feng Qiao, S. Jin, A. Julin, M. Alekseev, W. S. Cheng, Yao Zhang, Tao Zhang, G. Li, M. Kornicer, T. Ma, N. Yu. Muchnoi, X. S. Kang, A. Gilman, M. Maggiora, Kai Liu, W. M. Song, W. J. Zheng, Xu Shan, Y. H. Zhang, X. L. Ji, C. D. Fu, C. Q. Feng, X. R. Chen, G. F. Xu, S. B. Liu, L. Zhang, Y. Nefedov, F. Nerling, Lei Zhao, Z. Y. Deng, Z. Y. Wang, Z. L. Hou, Z. G. Wang, H. Y. Zhang, Xingguo Li, F. Li, F. C. Ma, Fang Liu, Y. G. Xie, X. Y. Song, R. Kliemt, Y. Hu, Haiwen Liu, Y. X. Yang, Kang Li, A. Mangoni, L. J. Wu, A. Guskov, J. C. Li, Cui Li, S. X. Du, K. Goetzen, Jie Yu, Y. J. Mo, Z. L. Dou, J. F. Qiu, F. De Mori, J. Zhuang, M. X. Luo, L. Fava, G. S. Huang, K. J. Zhu, Meng Wang, D. V. Dedovich, X. Y. Zhou, Xu Zhou, T. Khan, Xiao-Rui Lyu, C. Z. Yuan, Q. Zhao, G. F. Chen, Y. Z. Sun, Q. P. Ji, Ke Li, G. Cibinetto, I. Uman, Liqing Xu, X. Y. Shen, Y. G. Gao, X. F. Wang, G. S. Varner, J. Y. Zhang, L. Koch, A. Khoukaz, Yang Zhang, F. Feldbauer, C. X. Lin, J. Z. Bai, Z. L. Huang, Y. Ding, Q. M. Ma, A. Mustafa, B. J. Liu, Gang Zhao, Feng Liu, P. Larin, M. Ablikim, X D Shi, A. Calcaterra, Z. G. Zhao, S. Fegan, W. Kühn, Y. J. Mao, L. Z. Liao, T. Holtmann, L. Yan, Y. Yuan, Y. S. Zhu, P. Wang, M. Kuessner, Z. Y. You, J. Y. Liu, H. H. Zhang, Yu Zhang, Z. J. Sun, Xinglong Li, H. X. Yang, I. Garzia, Z. A. Zhu, T. Weber, X. B. Ji, M. Tiemens, C. P. Shen, J. L. Zhang, M. H. Gu, R. Kiuchi, X. N. Ma, H. Y. Sheng, T. Y. Qi, Michael Papenbrock, Q. Gao, Y. N. Gao, F. Yan, B. Wang, P. L. Wang, G. A. Chelkov, P. Patteri, C. X. Yu, Y. X. Xia, S. H. Zhu, J. J. Xu, Z. Q. Yang, M. Kavatsyuk, P. Kiese, B. Garillon, Huihui Liu, Haiping Peng, Muhammad Irshad, J. S. Huang, C. X. Liu, Bibo Ke, Z. J. Xiao, S. L. Olsen, B. Zheng, R. G. Ping, W. B. Yan, J. G. Messchendorp, R. A. Briere, M. N. Achasov, H. J. Lu, Ke Wang, X. K. Chu, J. G. Lu, J. P. Dai, G. Y. Tang, S. Pacetti, B. X. Zhang, F. A. Harris, F. E. Maas, Y. K. Heng, X. S. Jiang, Jie Zhao, D. X. Lin, T. Hu, Qiunan Xu, P. F. Duan, Alexey Zhemchugov, H. M. Hu, H. Leithoff, O. Bakina, A. Q. Guo, Z. Y. Peng, G. Rong, Fenfen An, B. L. Wang, S. J. Zhao, J. W. Zhang, P. X. Shen, T. C. Zhao, X. K. Zhou, Jinxing Zheng, I. Denysenko, O. Cakir, J. F. Hu, Z. Wu, C. F. Redmer, Q. J. Xu, W. C. Yan, Zhiyong Zhang, R. Farinelli, C. Schnier, H. L. Ma, W. P. Wang, J. C. Chen, Xuanhong Lou, Zhiqing Zhang, I. B. Nikolaev, B. X. Yu, J. H. Yin, D. Y. Liu, J. B. Jiao, Z. T. Sun, D. M. Li, Z. H. Qin, M. Shao, Y. T. Gu, Zhi Zeng, Nasser Kalantar-Nayestanaki, B. Y. Zhang, X. T. Huang, C. Morales Morales, Jin Li, Y. Ban, P. Weidenkaff, F. H. Heinsius, M. Y. Dong, V. Prasad, S. Han, M. Pelizaeus, W. G. Li, E. Fioravanti, Y. K. Sun, Xiaoyu Zhou, S. P. Wen, X. R. Zhou, H. S. Chen, H. L. Dai, Igor Boyko, H. B. Liu, J. H. Zou, Cheng Li, S. Spataro, X. P. Xu, L. H. Wu, A. Sarantsev, D. H. Wei, P. R. Li, J. S. Lange, M. G. Zhao, Y. H. Yang, R. P. Guo, J. Zhu, Yi Jin, Lei Li, J. W. Li, L. Xia, S. S. Sun, X. S. Qin, J. Q. Zhang, S. L. Niu, F. Y. Li, X. Q. Li, Y. F. Long, Y. J. Xiao, M. Greco, R. Baldini Ferroli, Niu Xiaoyang, R. E. Mitchell, Z. X. Meng, H. Liang, M. Fritsch, S. Ahmed, Ke Liu, Q. A. Malik, G. Mezzadri, X. Q. He, L. P. Zhou, Y. M. Ma, Z. P. Mao, X. A. Xiong, J. Fang, Z. Gao, Ch. Rosner, A. A. Zafar, Magnus Wolke, Y. F. Liang, G. F. Cao, K. Y. Liu, S. Qian, Q. An, Jialun Ping, D. P. Jin, K. H. Rashid, Z. B. Li, K. Zhang, Y. T. Liang, X. Y. Zhang, S. J. Chen, W. Ikegami Andersson, Y. F. Wang, K. J. Li, J. Libby, Dayong Wang, N. Qin, M. Lara, X. H. Mo, L. S. Wang, Xiaozhong Huang, Yaquan Fang, A. Pitka, J. B. Liu, Y. J. Sun, Yifan Yang, Andrzej Kupsc, T. Hussain, J. F. Sun, X. Y. Ma, Z. Liu, M. L. Chen, K. Schoenning, Q. Y. Li, B. S. Zou, S. Marcello, Y. P. Lu, Niklaus Berger, Y. Zeng, W. X. Gong, S. Lusso, L. L. Wang, H. Cai, Y. B. Chen, Xiaofeng Zhu, J. Z. Zhang, J. J. Song, L. Sun, M. Kuemmel, Matthew Glenn Kurth, W. Shan, X. H. Sun, Dan Wang, Krisztian Peters, G. R. Liao, X. Liu, H. R. Qi, X. L. Luo, K. Begzsuren, F. Bianchi, Serkant Ali Cetin, Zongyuan Wang, Q. Ouyang, S. S. Fang, Y. B. Liu, Huanhuan Liu, G. Felici, H. J. Li, Q. L. Xiu, X. Tang, A. Yuncu, M. Rolo, F. Cossio, Yunlong Zhang, H. L. Liu, D. Bettoni, R. Poling, S. Zhu, M. Destefanis, M. Qi, H. J. Yang, X. Zhou, I. Tapan, Y. H. Yan, J. W. Zhao, Y. C. Zhu, Y. Zhang, E. Boger, T. Held, M. Albrecht, W. D. Li, B. T. Tsednee, J. Min, Ling Zhao, B. Kopf, K. L. He, M. Z. Wang, Jimin Zhao, P. L. Li, S. F. Zhang, Zhiqing Liu, T. Johansson, J. F. Chang, O. B. Kolcu, X. Cai, L. Lavezzi, X. Q. Hao, M. Richter, Z. Ning, Jun-Yi Zhang, Y. P. Guo, Z. P. Zhang, P. L. Chen, D. W. Bennett, Zujian Wang, Y. Bai, C. Sowa, Y. B. Zhao, J. Dong, Y. Q. Wang, S. Nisar, C. J. Tang, D. Xiao, X. Y. Jiang, M. M. Ma, Y. Pan, J. Chai, G. X. Sun, J. V. Bennett, Z. Jiao, Fu-Hu Liu, and D. H. Zhang
Subjects: Physics, Particle physics, Flavor, Lepton, Universality (dynamical systems)
Published: 2020

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