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1. Prevalence, Drug Resistance, and Virulence Genes of Potential Pathogenic Bacteria in Pasteurized Milk of Chinese Fresh Milk Bar

Author: Hongning Jiang, Qijing Du, Yu Zhongna, Rongbo Fan, Jun Wang, Shifeng Wang, Rongwei Han, Y.X. Yang, and Harvey Ho
Subjects: Staphylococcus aureus, Virulence, Tetracycline, Drug Resistance, Microbial Sensitivity Tests, Drug resistance, Biology, medicine.disease_cause, Microbiology, Anti-Bacterial Agents, Penicillin, Milk, Antibiotic resistance, Streptococcus agalactiae, Amikacin, Drug Resistance, Bacterial, Escherichia coli, Prevalence, medicine, Animals, Food Science, medicine.drug
Abstract: Fresh Milk Bar (FMB), an emerging dairy retail franchise, is used to instantly produce and sell pasteurized milk and other dairy products in China. However, the quality and safety of pasteurized milk in FMB have received little attention. The objective of this study was to investigate the prevalence, antimicrobial resistance, and virulence genes of Escherichia coli, Staphylococcus aureus, and Streptococcus in 205 pasteurized milk samples collected from FMBs in China. Four (2.0%) isolates of E. coli, seven (3.4%) isolates of S. aureus, and three (1.5%) isolates of Streptococcus agalactiae were isolated and identified. The E. coli isolates were resistant to amikacin (100%), streptomycin (50%), and tetracycline (50%). Their detected resistance genes include aac(3)-III (75%), blaTEM (25%), aadA (25%), aac(3)-II (25%), catI (25%), and qnrB (25%). The S. aureus isolates were mainly resistant to penicillin G (71.4%), trimethoprim-sulfamethoxazole (71.4%), kanamycin (57.1%), gentamicin (57.1%), amikacin (57.1%), and clindamycin (57.1%). blaZ (42.9%), mecA (28.6%), ermB (14.3%), and ermC (14.3%) were detected as their resistance genes. The Streptococcus strains were mainly resistant to tetracycline (66.7%) and contained the resistance genes pbp2b (33.3%) and tetM (33.3%). The virulence genes eae and stx2 were only found in one E. coli strain (25%), sec was detected in two S. aureus strains (28.6%), and bca was detected in one S. agalactiae strain (33.3%). The results of this study indicate that bacteria with drug resistance and virulence genes isolated from the pasteurized milk of FMB are a potential risk to consumers' health.
Published: 2021

2. Measurement of the e+e−→Σ0Σ¯0 cross sections at center-of-mass energies from 2.3864 to 3.0200 GeV

Author: M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, A. Amoroso, Q. An, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino, Y. Ban, K. Begzsuren, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Biernat, J. Bloms, A. Bortone, I. Boyko, R.A. Briere, H. Cai, X. Cai, A. Calcaterra, G.F. Cao, N. Cao, S.A. Cetin, J.F. Chang, W.L. Chang, G. Chelkov, D.Y. Chen, G. Chen, H.S. Chen, M.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, W. Cheng, G. Cibinetto, F. Cossio, X.F. Cui, H.L. Dai, J.P. Dai, X.C. Dai, A. Dbeyssi, R.B. de Boer, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, S.X. Du, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, M. Fritsch, C.D. Fu, Y. Fu, X.L. Gao, Y. Gao, Y.G. Gao, I. Garzia, E.M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, L.M. Gu, M.H. Gu, S. Gu, Y.T. Gu, C.Y. Guan, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, A. Guskov, S. Han, T.T. Han, T.Z. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, T. Held, Y.K. Heng, M. Himmelreich, T. Holtmann, Y.R. Hou, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, L.Q. Huang, X.T. Huang, Z. Huang, N. Huesken, T. Hussain, W. Ikegami Andersson, W. Imoehl, M. Irshad, S. Jaeger, S. Janchiv, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, H.B. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, S. Jin, Y. Jin, T. Johansson, N. Kalantar-Nayestanaki, X.S. Kang, R. Kappert, M. Kavatsyuk, B.C. Ke, I.K. Keshk, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kuemmel, M. Kuessner, A. Kupsc, M.G. Kurth, W. Kühn, J.J. Lane, J.S. Lange, P. Larin, L. Lavezzi, H. Leithoff, M. Lellmann, T. Lenz, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H.B. Li, H.J. Li, J.L. Li, J.Q. Li, Ke Li, L.K. Li, Lei Li, P.L. Li, P.R. Li, S.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, Z.B. Li, Z.Y. Li, H. Liang, Y.F. Liang, Y.T. Liang, L.Z. Liao, J. Libby, C.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, D.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L. Liu, Q. Liu, S.B. Liu, Shuai Liu, T. Liu, X. Liu, Y.B. Liu, Z.A. Liu, Z.Q. Liu, Y.F. Long, X.C. Lou, F.X. Lu, H.J. Lu, J.D. Lu, J.G. Lu, X.L. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, P.W. Luo, T. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, R.Q. Ma, R.T. Ma, X.N. Ma, X.X. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, S. Maldaner, S. Malde, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, N.Yu. Muchnoi, H. Muramatsu, S. Nakhoul, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Olsen, Q. Ouyang, S. Pacetti, X. Pan, Y. Pan, A. Pathak, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, H. Qi, H.R. Qi, M. Qi, T.Y. Qi, S. Qian, W.-B. Qian, Z. Qian, C.F. Qiao, L.Q. Qin, X.P. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, S.Q. Qu, K.H. Rashid, K. Ravindran, C.F. Redmer, A. Rivetti, V. Rodin, M. Rolo, G. Rong, Ch. Rosner, M. Rump, A. Sarantsev, M. Savrié, Y. Schelhaas, C. Schnier, K. Schoenning, D.C. Shan, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.C. Shi, R.S. Shi, X. Shi, X.D. Shi, J.J. Song, Q.Q. Song, W.M. Song, Y.X. Song, S. Sosio, S. Spataro, F.F. Sui, G.X. Sun, J.F. Sun, L. Sun, S.S. Sun, T. Sun, W.Y. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.T. Sun, Y.H. Tan, Y.X. Tan, C.J. Tang, G.Y. Tang, J. Tang, V. Thoren, B. Tsednee, I. Uman, B. Wang, B.L. Wang, C.W. Wang, D.Y. Wang, H.P. Wang, K. Wang, L.L. Wang, M. Wang, M.Z. Wang, Meng Wang, W.H. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.Y. Wang, Ziyi Wang, Zongyuan Wang, T. Weber, D.H. Wei, P. Weidenkaff, F. Weidner, S.P. Wen, D.J. White, U. Wiedner, G. Wilkinson, M. Wolke, L. Wollenberg, J.F. Wu, L.H. Wu, L.J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S.Y. Xiao, Y.J. Xiao, Z.J. Xiao, X.H. Xie, Y.G. Xie, Y.H. Xie, T.Y. Xing, X.A. Xiong, G.F. Xu, J.J. Xu, Q.J. Xu, W. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Xu Yan, H.J. Yang, H.X. Yang, L. Yang, R.X. Yang, S.L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Zhi Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, G. Yu, J.S. Yu, T. Yu, C.Z. Yuan, W. Yuan, X.Q. Yuan, Y. Yuan, Z.Y. Yuan, C.X. Yue, A. Yuncu, A.A. Zafar, Y. Zeng, B.X. Zhang, Guangyi Zhang, H.H. Zhang, H.Y. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, Jianyu Zhang, Jiawei Zhang, L. Zhang, Lei Zhang, S. Zhang, S.F. Zhang, T.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z.H. Zhang, Z.Y. Zhang, G. Zhao, J. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, Y.B. Zhao, Y.X. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y. Zheng, Y.H. Zheng, B. Zhong, C. Zhong, L.P. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, W.J. Zhu, X.L. Zhu, Y.C. Zhu, Z.A. Zhu, B.S. Zou, and J.H. Zou
Subjects: Nuclear and High Energy Physics
Published: 2022

3. Interaction chamber for laser Compton slant-scattering in SLEGS beamline at Shanghai Light Source

Author: H.H. Xu, G.T. Fan, H.W. Wang, H. Utsunomiya, L.X. Liu, Z.R. Hao, H.L. Wu, L.L. Song, Q.L. Zhang, B.C. Jiang, X.R. Hu, X.X. Li, P. Kuang, Y.X. Yang, and S. Jin
Subjects: Nuclear and High Energy Physics, Instrumentation
Published: 2022

4. Ultrafast hydrogenation of magnesium enabled by tetragonal ZrO2 hierarchical nanoparticles

Author: X.L. Zhang, X. Zhang, L.C. Zhang, Z.G. Huang, F. Fang, J.J. Hu, Y.X. Yang, M.X. Gao, H.G. Pan, and Y.F. Liu
Subjects: Biomaterials, Materials Chemistry, Condensed Matter Physics, Electronic, Optical and Magnetic Materials
Published: 2022

5. Observation of ψ(3686)→η′e+e−

Author: M. Ablikim, M.N. Achasov, S. Ahmed, M. Albrecht, M. Alekseev, A. Amoroso, F.F. An, Q. An, J.Z. Bai, Y. Bai, O. Bakina, R. Baldini Ferroli, Y. Ban, K. Begzsuren, D.W. Bennett, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J. Chai, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, P.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, W. Cheng, X.K. Chu, G. Cibinetto, F. Cossio, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, Z.L. Dou, S.X. Du, P.F. Duan, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, S. Fegan, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, B. Garillon, I. Garzia, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, A.Q. Guo, R.P. Guo, Y.P. Guo, A. Guskov, Z. Haddadi, S. Han, X.Q. Hao, F.A. Harris, K.L. He, X.Q. He, F.H. Heinsius, T. Held, Y.K. Heng, T. Holtmann, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, Z.L. Huang, T. Hussain, W. Ikegami Andersson, M. Irshad, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, Y. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.S. Kang, M. Kavatsyuk, B.C. Ke, T. Khan, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kornicer, M. Kuemmel, M. Kuessner, A. Kupsc, M. Kurth, W. Kühn, J.S. Lange, M. Lara, P. Larin, L. Lavezzi, H. Leithoff, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, J.W. Li, Jin Li, K.J. Li, Kang Li, Ke Li, Lei Li, P.L. Li, P.R. Li, Q.Y. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, D.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.L. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L.D. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Z.A. Liu, Zhiqing Liu, Y.F. Long, X.C. Lou, H.J. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, N.Yu. Muchnoi, H. Muramatsu, A. Mustafa, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, M. Papenbrock, P. Patteri, M. Pelizaeus, J. Pellegrino, H.P. Peng, Z.Y. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, H.R. Qi, M. Qi, T. .Y. Qi, S. Qian, C.F. Qiao, N. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, M. Richter, M. Ripka, A. Rivetti, M. Rolo, G. Rong, Ch. Rosner, A. Sarantsev, M. Savrié, C. Schnier, K. Schoenning, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, X. Shi, J.J. Song, W.M. Song, X.Y. Song, S. Sosio, C. Sowa, S. Spataro, G.X. Sun, J.F. Sun, L. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, Y.T. Tan, C.J. Tang, G.Y. Tang, X. Tang, I. Tapan, M. Tiemens, B. Tsednee, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, Dan Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, Meng Wang, P. Wang, P.L. Wang, W.P. Wang, X.F. Wang, Y. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, Zongyuan Wang, T. Weber, D.H. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, Y. Xia, D. Xiao, Y.J. Xiao, Z.J. Xiao, Y.G. Xie, Y.H. Xie, X.A. Xiong, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Z.Q. Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, J.S. Yu, C.Z. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, T.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yang Zhang, Yao Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, Xiaoyu Zhou, Xu Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, B.S. Zou, and J.H. Zou
Subjects: Dalitz decay, Nuclear and High Energy Physics, Meson, Electron–positron annihilation, BESIII, Charmonium, e+e− Annihilation, e + e − Annihilation, 01 natural sciences, Omega, NO, law.invention, e+e−Annihilation, Nuclear physics, law, 0103 physical sciences, 010306 general physics, Collider, Physics, 010308 nuclear & particles physics, Generator (category theory), Branching fraction, Pseudoscalar
Abstract: Using a data sample of 448.1 × 10 6 ψ ( 3686 ) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay ψ ( 3686 ) → η ′ e + e − , with significances of 7.0σ and 6.3σ when reconstructing the η ′ meson via its decay modes η ′ → γ π + π − and η ′ → π + π − η ( η → γ γ ), respectively. The weighted average branching fraction is determined to be B ( ψ ( 3686 ) → η ′ e + e − ) = ( 1.90 ± 0.25 ± 0.11 ) × 10 − 6 , where the first uncertainty is statistical and the second systematic.
Published: 2018

6. A comparison of the performance of submerged and detached artificial headlands in a beach nourishment project

Author: J.B. Zhang, Yao Zhang, S. Yin, Yongping Chen, Y.X. Yang, Y.B. Yang, Cuiping Kuang, R.F. Qiu, and Yi Pan
Subjects: 0106 biological sciences, Shore, Hydrology, geography, Environmental Engineering, geography.geographical_feature_category, 010504 meteorology & atmospheric sciences, 010604 marine biology & hydrobiology, Flushing time, Ocean Engineering, Water exchange, 01 natural sciences, Siltation, Headland, Environmental science, Beach nourishment, 0105 earth and related environmental sciences
Abstract: Submerged Artificial Headland (SAH) and Detached Artificial Headland (DAH) are two types of modified artificial headland to provide better water exchange at slightly weakening beach protection effect compared to Traditional Artificial Headland (TAH). In this paper a numerical investigation is conducted on performances of SAH and DAH in a beach nourishment project. The beach protection and water exchange are considered respectively. A shoreline model and a constituent transport model are set up to simulate the post-project shoreline change and water exchange. The results of shoreline changed model show that both the SAH and DAH have good performance in protecting the beach behind them, while in SAH case the shoreline has a smoother shape. The effects of eroding and silting characteristics of the beach on the performance of SAH and DAH are also discussed. The SAH and DAH have similar performance of reducing the flushing time and improving the water exchange in the area behind the artificial headlands compared to TAH. The effect of tidal condition on the flushing time is also discussed. It is suggested that both SAH and DAH are feasible and effective measures to strengthen the water exchange at the cost of an acceptable loss of beach protection.
Published: 2018

7. Distribution and variation in proteins of casein micellar fractions response to heat-treatment from five dairy species

Author: Xueheng Sun, Qijing Du, Harvey Ho, Rongwei Han, Rongbo Fan, Y.X. Yang, Runjia Shi, Yu Zhongna, Jun Wang, and Hongning Jiang
Subjects: Hot Temperature, Apolipoprotein B, Proteomics, Analytical Chemistry, fluids and secretions, Tandem Mass Spectrometry, health services administration, Casein, Camel milk, Animals, Distribution (pharmacology), Food science, Micelles, health care economics and organizations, Lipoprotein lipase, biology, Lactoferrin, Chemistry, Caseins, food and beverages, General Medicine, Milk Proteins, Milk, Whey Proteins, Proteome, biology.protein, Chromatography, Liquid, Food Science
Abstract: Casein micelles (CMs) contribute to the physicochemical properties and stability of milk. However, how the proteome of CMs changes following heat treatment has not been elucidated. Here, changes in the proteins of CMs in samples of Holstein, buffalo, yak, goat, and camel milk following heat treatment were investigated using a LC-MS/MS approach. According to the hierarchical clustering results, Holstein, yak, and buffalo milk samples had similar CMs protein components, followed by goat and camel milk samples. Changes in lipoprotein lipase and α-lactalbumin in CMs were dependent on the intensity of heat treatment and were similar among the studied species, whereas changes in κ-casein, lactoferrin, and apolipoprotein A-I differed among different types of milk. These results provide information on the distribution and variations of the proteomes of CMs following heat treatment, which will assist in the identification of proteins that are dissociated and attached to CMs from different dairy species during heat treatment.
Published: 2021

8. Measurement of the inclusive branching fraction for ψ(3686)→KS0+anything

Author: M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, R. Aliberti, A. Amoroso, Q. An, X.H. Bai, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino, Y. Ban, K. Begzsuren, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Biernat, J. Bloms, A. Bortone, I. Boyko, R.A. Briere, H. Cai, X. Cai, A. Calcaterra, G.F. Cao, N. Cao, S.A. Cetin, J.F. Chang, W.L. Chang, G. Chelkov, D.Y. Chen, G. Chen, H.S. Chen, M.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, Z.J. Chen, W.S. Cheng, G. Cibinetto, F. Cossio, X.F. Cui, H.L. Dai, X.C. Dai, A. Dbeyssi, R.E. de Boer, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, S.X. Du, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, M. Fritsch, C.D. Fu, Y. Fu, X.L. Gao, Y. Gao, Y.G. Gao, I. Garzia, E.M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, L.M. Gu, M.H. Gu, S. Gu, Y.T. Gu, C.Y. Guan, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, A. Guskov, S. Han, T.T. Han, T.Z. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, C.H. Heinz, T. Held, Y.K. Heng, M. Himmelreich, T. Holtmann, Y.R. Hou, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, L.Q. Huang, X.T. Huang, Y.P. Huang, Z. Huang, T. Hussain, N. Hüsken, W. Ikegami Andersson, W. Imoehl, M. Irshad, S. Jaeger, S. Janchiv, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, H.B. Jiang, X.S. Jiang, J.B. Jiao, Z. Jiao, S. Jin, Y. Jin, T. Johansson, N. Kalantar-Nayestanaki, X.S. Kang, R. Kappert, M. Kavatsyuk, B.C. Ke, I.K. Keshk, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kuemmel, M. Kuessner, A. Kupsc, M.G. Kurth, W. Kühn, J.J. Lane, J.S. Lange, P. Larin, A. Lavania, L. Lavezzi, H. Leithoff, M. Lellmann, T. Lenz, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H. Li, H.B. Li, H.J. Li, J.L. Li, J.Q. Li, Ke Li, L.K. Li, Lei Li, P.L. Li, P.R. Li, S.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, Z.Y. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, D.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L. Liu, Q. Liu, S.B. Liu, Shuai Liu, T. Liu, W.M. Liu, X. Liu, Y.B. Liu, Z.A. Liu, Z.Q. Liu, X.C. Lou, F.X. Lu, H.J. Lu, J.D. Lu, J.G. Lu, X.L. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, P.W. Luo, T. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, R.Q. Ma, R.T. Ma, X.N. Ma, X.X. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, S. Maldaner, S. Malde, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, T.J. Min, R.E. Mitchell, X.H. Mo, N.Yu. Muchnoi, H. Muramatsu, S. Nakhoul, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Olsen, Q. Ouyang, S. Pacetti, X. Pan, Y. Pan, A. Pathak, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, H. Qi, H.R. Qi, M. Qi, T.Y. Qi, S. Qian, W.B. Qian, Z. Qian, C.F. Qiao, L.Q. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, S.Q. Qu, K.H. Rashid, K. Ravindran, C.F. Redmer, A. Rivetti, V. Rodin, M. Rolo, G. Rong, Ch. Rosner, M. Rump, A. Sarantsev, Y. Schelhaas, C. Schnier, K. Schoenning, M. Scodeggio, D.C. Shan, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.C. Shi, R.S. Shi, X. Shi, X.D. Shi, J.J. Song, Q.Q. Song, W.M. Song, Y.X. Song, S. Sosio, S. Spataro, F.F. Sui, G.X. Sun, J.F. Sun, L. Sun, S.S. Sun, T. Sun, W.Y. Sun, X. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.T. Sun, Y.H. Tan, Y.X. Tan, C.J. Tang, G.Y. Tang, J. Tang, J.X. Teng, V. Thoren, I. Uman, B. Wang, B.L. Wang, C.W. Wang, D.Y. Wang, H.P. Wang, K. Wang, L.L. Wang, M. Wang, M.Z. Wang, Meng Wang, W.H. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.Y. Wang, Ziyi Wang, Zongyuan Wang, D.H. Wei, P. Weidenkaff, F. Weidner, S.P. Wen, D.J. White, U. Wiedner, G. Wilkinson, M. Wolke, L. Wollenberg, J.F. Wu, L.H. Wu, L.J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S.Y. Xiao, Y.J. Xiao, Z.J. Xiao, X.H. Xie, Y.G. Xie, Y.H. Xie, T.Y. Xing, X.A. Xiong, G.F. Xu, J.J. Xu, Q.J. Xu, W. Xu, X.P. Xu, Y.C. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Xu Yan, H.J. Yang, H.X. Yang, L. Yang, R.X. Yang, S.L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Zhi Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, G. Yu, J.S. Yu, T. Yu, C.Z. Yuan, W. Yuan, X.Q. Yuan, Y. Yuan, Z.Y. Yuan, C.X. Yue, A.A. Zafar, Y. Zeng, B.X. Zhang, Guangyi Zhang, H. Zhang, H.H. Zhang, H.Y. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, Jianyu Zhang, Jiawei Zhang, Lei Zhang, S. Zhang, S.F. Zhang, T.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z.Y. Zhang, G. Zhao, J. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, Y.B. Zhao, Y.X. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y.H. Zheng, B. Zhong, C. Zhong, L.P. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, W.J. Zhu, Y.C. Zhu, Z.A. Zhu, B.S. Zou, and J.H. Zou
Subjects: Physics, Nuclear and High Energy Physics, Annihilation, 010308 nuclear & particles physics, Branching fraction, Continuum (design consultancy), 01 natural sciences, Measure (mathematics), law.invention, Nuclear physics, law, 0103 physical sciences, 010306 general physics, Collider, Beam energy
Abstract: Using 5.9 pb−1 of e + e − annihilation data collected at center-of-mass energies from 3.640 to 3.701 GeV with the BESIII detector at the BEPCII Collider, we measure the observed cross sections of e + e − → K S 0 X (where X = anything ). From a fit to these observed cross sections with the sum of continuum and ψ ( 3686 ) and J / ψ Breit-Wigner functions and considering initial state radiation and the BEPCII beam energy spread, we obtain for the first time the product of ψ ( 3686 ) leptonic width and inclusive decay branching fraction Γ ψ ( 3686 ) e e B ( ψ ( 3686 ) → K S 0 X ) = ( 373.8 ± 6.7 ± 20.0 ) eV, and assuming Γ ψ ( 3686 ) e e is ( 2.33 ± 0.04 ) keV from PDG value, we measure B ( ψ ( 3686 ) → K S 0 X ) = ( 16.04 ± 0.29 ± 0.90 ) % , where the first uncertainty is statistical and the second is systematic.
Published: 2021

9. Measurement of cross section for e+e−→Ξ0Ξ¯0 near threshold

Author: M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, R. Aliberti, A. Amoroso, M.R. An, Q. An, X.H. Bai, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino, Y. Ban, K. Begzsuren, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Bloms, A. Bortone, I. Boyko, R.A. Briere, H. Cai, X. Cai, A. Calcaterra, G.F. Cao, N. Cao, S.A. Cetin, X.Y. Chai, J.F. Chang, W.L. Chang, G. Chelkov, D.Y. Chen, G. Chen, H.S. Chen, M.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, Z.J. Chen, W.S. Cheng, G. Cibinetto, F. Cossio, X.F. Cui, H.L. Dai, X.C. Dai, A. Dbeyssi, R.E. de Boer, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, X. Dong, S.X. Du, Y.L. Fan, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, J.H. Feng, M. Fritsch, C.D. Fu, Y. Gao, Y.G. Gao, I. Garzia, P.T. Ge, C. Geng, E.M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, L.M. Gu, M.H. Gu, S. Gu, Y.T. Gu, C.Y. Guan, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, A. Guskov, T.T. Han, W.Y. Han, X.Q. Hao, F.A. Harris, N. Hüsken, K.L. He, F.H. Heinsius, C.H. Heinz, T. Held, Y.K. Heng, C. Herold, M. Himmelreich, T. Holtmann, G.Y. Hou, Y.R. Hou, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, L.Q. Huang, X.T. Huang, Y.P. Huang, Z. Huang, T. Hussain, W. Ikegami Andersson, W. Imoehl, M. Irshad, S. Jaeger, S. Janchiv, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, Y.Y. Ji, H.B. Jiang, X.S. Jiang, J.B. Jiao, Z. Jiao, S. Jin, Y. Jin, M.Q. Jing, T. Johansson, N. Kalantar-Nayestanaki, X.S. Kang, R. Kappert, M. Kavatsyuk, B.C. Ke, I.K. Keshk, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kuemmel, M. Kuessner, A. Kupsc, M.G. Kurth, W. Kühn, J.J. Lane, J.S. Lange, P. Larin, A. Lavania, L. Lavezzi, Z.H. Lei, H. Leithoff, M. Lellmann, T. Lenz, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H. Li, H.B. Li, H.J. Li, J.L. Li, J.Q. Li, J.S. Li, Ke Li, L.K. Li, Lei Li, P.R. Li, S.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, Xiaoyu Li, Z.Y. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.L. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L. Liu, M.H. Liu, P.L. Liu, Q. Liu, S.B. Liu, Shuai Liu, T. Liu, W.M. Liu, X. Liu, Y. Liu, Y.B. Liu, Z.A. Liu, Z.Q. Liu, X.C. Lou, F.X. Lu, H.J. Lu, J.D. Lu, J.G. Lu, X.L. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, P.W. Luo, T. Luo, X.L. Luo, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, R.Q. Ma, R.T. Ma, X.X. Ma, X.Y. Ma, F.E. Maas, M. Maggiora, S. Maldaner, S. Malde, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, N.Yu. Muchnoi, H. Muramatsu, S. Nakhoul, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Olsen, Q. Ouyang, S. Pacetti, X. Pan, Y. Pan, A. Pathak, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, V. Prasad, H. Qi, H.R. Qi, K.H. Qi, M. Qi, T.Y. Qi, S. Qian, W.B. Qian, Z. Qian, C.F. Qiao, L.Q. Qin, X.P. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, S.Q. Qu, K.H. Rashid, K. Ravindran, C.F. Redmer, A. Rivetti, V. Rodin, M. Rolo, G. Rong, Ch. Rosner, M. Rump, H.S. Sang, A. Sarantsev, Y. Schelhaas, C. Schnier, K. Schoenning, M. Scodeggio, D.C. Shan, W. Shan, X.Y. Shan, J.F. Shangguan, M. Shao, C.P. Shen, H.F. Shen, P.X. Shen, X.Y. Shen, H.C. Shi, R.S. Shi, X. Shi, X.D. Shi, J.J. Song, W.M. Song, Y.X. Song, S. Sosio, S. Spataro, K.X. Su, P.P. Su, F.F. Sui, G.X. Sun, H.K. Sun, J.F. Sun, L. Sun, S.S. Sun, T. Sun, W.Y. Sun, X. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.T. Sun, Y.H. Tan, Y.X. Tan, C.J. Tang, G.Y. Tang, J. Tang, J.X. Teng, V. Thoren, W.H. Tian, Y.T. Tian, I. Uman, B. Wang, C.W. Wang, D.Y. Wang, H.J. Wang, H.P. Wang, K. Wang, L.L. Wang, M. Wang, M.Z. Wang, Meng Wang, W. Wang, W.H. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Y.Y. Wang, Z. Wang, Z.Y. Wang, Ziyi Wang, Zongyuan Wang, D.H. Wei, F. Weidner, S.P. Wen, L.Z. Wen, D.J. White, U. Wiedner, G. Wilkinson, M. Wolke, L. Wollenberg, J.F. Wu, L.H. Wu, L.J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S.Y. Xiao, Z.J. Xiao, X.H. Xie, Y.G. Xie, Y.H. Xie, T.Y. Xing, G.F. Xu, Q.J. Xu, W. Xu, X.P. Xu, Y.C. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Xu Yan, H.J. Yang, H.X. Yang, L. Yang, S.L. Yang, Y.X. Yang, Yifan Yang, Zhi Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, G. Yu, J.S. Yu, T. Yu, C.Z. Yuan, L. Yuan, X.Q. Yuan, Y. Yuan, Z.Y. Yuan, C.X. Yue, A. Yuncu, A.A. Zafar, null Zeng, Y. Zeng, A.Q. Zhang, B.X. Zhang, Guangyi Zhang, H. Zhang, H.H. Zhang, H.Y. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, Jianyu Zhang, Jiawei Zhang, L.M. Zhang, L.Q. Zhang, Lei Zhang, S. Zhang, S.F. Zhang, Shulei Zhang, X.D. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z.H. Zhang, Z.Y. Zhang, G. Zhao, J. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, Y.B. Zhao, Y.X. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y. Zheng, Y.H. Zheng, B. Zhong, C. Zhong, L.P. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, T.J. Zhu, W.J. Zhu, Y.C. Zhu, Z.A. Zhu, B.S. Zou, and J.H. Zou
Subjects: Physics, Nuclear and High Energy Physics, Luminosity (scattering theory), 010308 nuclear & particles physics, 01 natural sciences, Measure (mathematics), Resonance (particle physics), Symmetry (physics), Nuclear physics, Cross section (physics), Near threshold, Isospin, 0103 physical sciences, 010306 general physics, Power function
Abstract: Using e + e − collision data at ten center-of-mass energies between 2.644 and 3.080 GeV collected with the BESIII detector at BEPCII and corresponding to an integrated luminosity of about 500 pb−1, we measure the cross sections and effective form factors for the process e + e − → Ξ 0 Ξ ¯ 0 utilizing a single-tag method. A fit to the cross section of e + e − → Ξ 0 Ξ ¯ 0 with a pQCD-driven power function is performed, from which no significant resonance or threshold enhancement is observed. In addition, the ratio of cross sections for the processes e + e − → Ξ − Ξ ¯ + and Ξ 0 Ξ ¯ 0 is calculated using recent BESIII measurement and is found to be compatible with expectation from isospin symmetry.
Published: 2021

10. Measurement of the absolute branching fraction of Λc+→pKS0η decays

Author: B.X. Zhang, Jie Yu, X. L. Luo, S. L. Yang, Z.X. Meng, X. Sun, Yu Lu, K. J. Zhu, Y. Fu, X. L. Gao, L. Y. Dong, K. Begzsuren, T. Holtmann, P. W. Luo, S. Marcello, Y. Zeng, Q.P. Ji, M. Kuemmel, Matthew Glenn Kurth, X. H. Xie, M. Y. Dong, W. P. Wang, Xiaofeng Zhu, J. Z. Zhang, J. J. Song, R. Baldini Ferroli, J. Y. Liu, L. Sun, X. Wang, L. J. Wu, X. Wu, X. F. Cui, L.Q. Qin, Xiongfei Wang, Y. H. Zheng, Cong-Feng Qiao, T. Held, X.R. Chen, F. Bianchi, M. G. Zhao, Y. H. Yang, Evelina Gersabeck, W. J. Zhu, X. X. Ma, X. D. Shi, L. K. Li, Y. F. Wang, H.B. Liu, V. Rodin, Y. J. Mo, A. Sarantsev, O. Bakina, K. Liu, P. Larin, Shan Jin, Q. Liu, X. B. Ji, C. Dong, T. T. Han, Y. Schelhaas, T. Hussain, S. Ahmed, C.D. Fu, X. H. Mo, K.Y. Liu, S. J. Zhao, M. H. Ye, J.Y. Zhang, S. Sosio, F. Yan, Y. H. Zhang, W.G. Li, M. Albrecht, Gang Chen, X. Y. Ma, A. Zhemchugov, D. Y. Liu, I. Uman, W. X. Gong, L. L. Ma, Y.X. Zhao, L. Gong, Libo Guo, H. Cai, X. Pan, B.S. Zou, W. D. Li, O.B. Kolcu, L. Q. Huang, L. Zhao, H. R. Qi, Q. Q. Song, Junfeng Sun, Y. B. Zhao, Jacek Biernat, Q. J. Xu, Y. Gao, I. Denysenko, A. Bortone, Xuanhong Lou, L. G. Xia, A. Amoroso, J.L. Zhang, J.L. Ping, Huanhuan Liu, H. S. Chen, Bingxuan Liu, G. Wilkinson, A. Pathak, Viktor Thorén, Yi Chen, Xujin Yuan, S. B. Liu, X. N. Ma, F.C. Ma, Xiao-Rui Lyu, S. S. Sun, W. S. Cheng, Xiang Zhou, Nasser Kalantar-Nayestanaki, Joachim Pettersson, I. K. Keshk, P.R. Li, A. Dbeyssi, Yao Zhang, F. F. Sui, F.E. Maas, M. H. Gu, R. Kiuchi, P. Patteri, L.H. Wu, C. X. Lin, S. Jaeger, H. N. Li, S.H. Zhu, C.X. Yue, Yue Pan, A. Gilman, Y. G. Gao, W. H. Wang, Meng Wang, Muhammad Irshad, J. Zhu, M. Rump, Lei Zhang, J. Dong, X. S. Qin, R. Farinelli, S. Zhang, Z.T. Sun, M. Shao, Dong E. Liu, J. Q. Li, A. Q. Guo, Guang Zhao, Y. X. Song, X. H. Li, H.X. Yang, B. Wang, Z. J. Chen, Y.X. Yang, K. Peters, W. Imoehl, L. Wollenberg, J. Tang, B. Zhong, Xingchao Dai, C. X. Yu, C. Q. Feng, Zongyuan Wang, M. Scodeggio, J. Bloms, M. Rolo, H. Y. Zhang, C.H. Li, A. Mangoni, F. De Mori, R. E. Mitchell, R. B. de Boer, Shiqun Li, Yunlong Zhang, Y.T. Gu, F. Weidner, Hai-Tian Wang, Y. Yuan, M. Kavatsyuk, W. L. Yuan, Q. Ouyang, F.H. Liu, Yirong Zhu, Zhenjun Xiao, X. L. Ji, X. H. Bai, Y.T. Liang, M.H. Ye, S. S. Fang, C. Y. Guan, F. Nerling, H. C. Shi, R. Kappert, B. Zheng, R. G. Ping, G. Li, T. Y. Qi, Z. Ning, Xingguo Li, Q.M. Ma, Y. B. Liu, F. A. Harris, W. L. Chang, Stephen Lars Olsen, J. B. Jiao, S.P. Wen, Q. Ji, R. Poling, L. M. Gu, C.L. Luo, P. Kiese, J.H. Yin, Bibo Ke, I.B. Nikolaev, Q. Zhao, W. B. Yan, S. Nisar, T. Lenz, D. M. Li, Jianping Zheng, X. Y. Shen, S. Y. Xiao, Z. Y. Yuan, H. Leithoff, M. Ablikim, F. Li, K. Zhu, T. Yu, D.H. Wei, X. K. Zhou, C. J. Tang, G. Felici, Y. G. Xie, B. Kopf, Yuan Hou, Y. K. Heng, S.A. Cetin, M.N. Achasov, M. Pelizaeus, Y. P. Lu, I. Balossino, Anita, S. X. Du, S. Pacetti, S. Gu, R. A. Briere, K. L. He, T. J. Min, J. G. Lu, D. Dedovich, J. F. Hu, Ziyi Wang, Y. X. Tan, Wenbin Qian, N. Huesken, T. Y. Xing, D. Y. Chen, Zhiyong Zhang, Y. H. Tan, G. S. Huang, M. Himmelreich, M. Destefanis, T. Hu, G. Y. Tang, F. Cossio, M. Z. Wang, M. Bertani, C.X. Liu, Jimin Zhao, P. L. Li, S. Qian, Q. An, Ke Li, X. S. Jiang, C. H. Heinz, Y. Fang, T. Liu, L. Koch, Z. A. Liu, Jie Zhao, Z.L. Hou, F. Feldbauer, L. Fava, Zhi Yang, V. Prasad, A. Yuncu, Z. Y. You, Feng Liu, H. M. Hu, X. Y. Zhang, X. L. Wang, Z. A. Zhu, W. C. Yan, J. B. Liu, Y. Ding, Y. Ban, N. Yu. Muchnoi, P. Weidenkaff, F. H. Heinsius, X. Y. Jiang, J. Zhao, G. Mezzadri, Y. J. Sun, Yifan Yang, J. W. Zhang, R. Aliberti, M. M. Ma, L. D. Liu, X. R. Zhou, L. Yang, P. X. Shen, J. L. Li, Z. Wu, Cheng Li, M. Kuessner, C. P. Shen, R. X. Yang, Wei Xu, H. B. Jiang, Jiawei Zhang, P. Adlarson, Zhiqing Zhang, Y. Zhang, J. V. Bennett, W. Gradl, Ruiting Ma, Y. P. Guo, Z. Qian, L.L. Wang, Shuai Liu, H.R. Qi, Z.P. Mao, H. Xiao, Ziyuan Li, W. Shan, A. Rivetti, Tao Sun, J.H. Zou, Z. Jiao, J. Q. Zhang, J. J. Xu, Guangyi Zhang, D. Y. Wang, M. Qi, H. J. Yang, Z.Y. Deng, Jens Soeren Lange, Y. F. Long, R. S. Shi, K. Ravindran, Y. H. Xie, Z.Y. Wang, Zujian Wang, Y.Z. Sun, X.S. Kang, M. Maggiora, Y. Bai, X.Q. Hao, S. Nakhoul, X. L. Lu, L. Yan, F.X. Lu, Magnus Wolke, Lei Zhao, D. C. Shan, Yi Zhang, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, Y. F. Liang, K. Goetzen, C. Z. Yuan, N. Cao, R.P. Guo, S. Han, Jinfei Wu, H. J. Li, Y. J. Xiao, Y.Q. Wang, S. Janchiv, Zhiqing Liu, J.F. Qiu, X. A. Xiong, A. A. Zafar, T. Johansson, J. F. Chang, K. H. Rashid, Tao Luo, Y.D. Wang, R. Kliemt, X. Liu, Yong Huang, C. W. Wang, A. Guskov, B. X. Yu, G.F. Xu, S. J. Chen, G.X. Sun, Andrzej Kupsc, M. L. Chen, C. Zhong, W. M. Song, G. Chelkov, Jianyu Zhang, H. L. Dai, C. F. Redmer, J. D. Lu, C. Schnier, D. Bettoni, Y. Nefedov, A. Khoukaz, X. Cai, X. T. Huang, G. Rong, S. Malde, L. Lavezzi, Haiping Peng, Ke Wang, C. Li, Z. H. Qin, S. Lusso, H.L. Ma, B. L. Wang, Yan Zhang, Y. K. Sun, Z. Huang, S. Spataro, X. P. Xu, Lei Li, H. M. Liu, Y. Jin, Xu Yan, G. F. Cao, R. T. Ma, X D Shi, Y. J. Mao, I. Garzia, L. Zhang, Huihui Liu, J. G. Messchendorp, J. P. Dai, J. Libby, S. F. Zhang, W. Kühn, M. Greco, A. Pitka, G. Cibinetto, John Jake Lane, Guoqiang Yu, K. Schoenning, Niklaus Berger, W.Y. Sun, H. Liang, M. Fritsch, Ke Liu, Q. A. Malik, L. P. Zhou, Y. M. Ma, H. J. Lu, J. Fang, Ch. Rosner, A. Calcaterra, H. B. Li, A. G. Denig, Q. Zhou, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, Tao Zhang, T. Z. Han, Xu Shan, B.J. Liu, Z. G. Zhao, L. Z. Liao, H. H. Zhang, Fang Liu, M. Lellmann, S. Maldaner, M. X. Luo, Dylan Jaide White, Y. Hu, and I. Boyko
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, law, Branching fraction, 0103 physical sciences, 010306 general physics, Collider, 01 natural sciences, Symmetry (physics), law.invention
Abstract: Based on 586 p b − 1 of e + e − annihilation data collected at a center-of-mass energy of s = 4.6 GeV with the BESIII detector at the BEPCII collider, the absolute branching fraction of Λ c + → p K S 0 η decays is measured for the first time to be B ( Λ c + → p K S 0 η ) = ( 0.414 ± 0.084 ± 0.028 ) % , where the first uncertainty is statistical and the second is systematic. The result is compatible with a previous CLEO result on the relative branching fraction B ( Λ c + → p K S 0 η ) B ( Λ c + → p K − π + ) , and consistent with theoretical predictions of SU(3) flavor symmetry.
Published: 2021

11. Observation of the decay Λc+→Σ−π+π+π0

Author: M. Ablikim, M.N. Achasov, S. Ahmed, M. Albrecht, A. Amoroso, F.F. An, Q. An, J.Z. Bai, O. Bakina, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, J.M. Bian, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J. Chai, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, X.K. Chu, G. Cibinetto, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, O. Dorjkhaidav, Z.L. Dou, S.X. Du, P.F. Duan, J. Fang, S.S. Fang, X. Fang, Y. Fang, R. Farinelli, L. Fava, S. Fegan, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, I. Garzia, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, S. Gu, Y.T. Gu, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, Z. Haddadi, S. Han, X.Q. Hao, F.A. Harris, K.L. He, X.Q. He, F.H. Heinsius, T. Held, Y.K. Heng, T. Holtmann, Z.L. Hou, C. Hu, H.M. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, Z.L. Huang, T. Hussain, W. Ikegami Andersson, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B.C. Ke, T. Khan, P. Kiese, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kornicer, M. Kuemmel, M. Kuhlmann, A. Kupsc, W. Kühn, J.S. Lange, M. Lara, P. Larin, L. Lavezzi, H. Leithoff, C. Leng, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.L. Li, P.R. Li, Q.Y. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J.B. Liu, J.P. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Y.Y. Liu, Z.A. Liu, Zhiqing Liu, Y.F. Long, X.C. Lou, H.J. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, Y.J. Mao, Z.P. Mao, S. Marcello, J.G. Messchendorp, G. Mezzadri, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, G. Morello, N.Yu. Muchnoi, H. Muramatsu, P. Musiol, A. Mustafa, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, P. Patteri, M. Pelizaeus, J. Pellegrino, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, V. Prasad, H.R. Qi, M. Qi, S. Qian, C.F. Qiao, J.J. Qin, N. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, M. Richter, M. Ripka, G. Rong, Ch. Rosner, X.D. Ruan, A. Sarantsev, M. Savrié, C. Schnier, K. Schoenning, W. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, J.J. Song, X.Y. Song, S. Sosio, C. Sowa, S. Spataro, G.X. Sun, J.F. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, G.Y. Tang, X. Tang, I. Tapan, M. Tiemens, B.T. Tsednee, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, Dan Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, W.P. Wang, X.F. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, T. Weber, D.H. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, Y. Xia, D. Xiao, H. Xiao, Y.J. Xiao, Z.J. Xiao, Y.G. Xie, Y.H. Xie, X.A. Xiong, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y.H. Yang, Y.X. Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, J.S. Yu, C.Z. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.Q. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, W.J. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, Y.X. Zhou, K. Zhu, K.J. Zhu, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, L. Zotti, B.S. Zou, and J.H. Zou
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, 0103 physical sciences, Atomic physics, 010306 general physics, 01 natural sciences
Published: 2017

12. Measurements of cross section of e+e−→pp¯π0 at center-of-mass energies between 4.008 and 4.600 GeV

Author: M. Ablikim, M.N. Achasov, S. Ahmed, X.C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, A. Amoroso, F.F. An, Q. An, J.Z. Bai, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, J.M. Bian, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J. Chai, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S. Chen, S.J. Chen, X. Chen, X.R. Chen, Y.B. Chen, H.P. Cheng, X.K. Chu, G. Cibinetto, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, Z.L. Dou, S.X. Du, P.F. Duan, J.Z. Fan, J. Fang, S.S. Fang, X. Fang, Y. Fang, R. Farinelli, L. Fava, O. Fedorov, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.L. Gao, Y. Gao, Z. Gao, I. Garzia, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, A.Q. Guo, L.B. Guo, R.P. Guo, Y. Guo, Y.P. Guo, Z. Haddadi, A. Hafner, S. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, T. Held, Y.K. Heng, T. Holtmann, Z.L. Hou, C. Hu, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, Y. Huang, Z.L. Huang, T. Hussain, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, L.W. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B.C. Ke, P. Kiese, R. Kliemt, B. Kloss, O.B. Kolcu, B. Kopf, M. Kornicer, A. Kupsc, W. Kühn, J.S. Lange, M. Lara, P. Larin, H. Leithoff, C. Leng, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.R. Li, Q.Y. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Y.B. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Y.Y. Liu, Z.A. Liu, Zhiqing Liu, H. Loehner, X.C. Lou, H.J. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, Y.J. Mao, Z.P. Mao, S. Marcello, J.G. Messchendorp, G. Mezzadri, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, N.Yu. Muchnoi, H. Muramatsu, P. Musiol, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, V. Prasad, H.R. Qi, M. Qi, S. Qian, C.F. Qiao, L.Q. Qin, N. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, M. Ripka, G. Rong, Ch. Rosner, X.D. Ruan, A. Sarantsev, M. Savrié, C. Schnier, K. Schoenning, S. Schumann, W. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, M. Shi, W.M. Song, X.Y. Song, S. Sosio, S. Spataro, G.X. Sun, J.F. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, I. Tapan, E.H. Thorndike, M. Tiemens, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.G. Wang, W. Wang, W.P. Wang, X.F. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, T. Weber, D.H. Wei, J.B. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, L.G. Xia, Y. Xia, D. Xiao, H. Xiao, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y.X. Yang, M. Ye, M.H. Ye, J.H. Yin, B.X. Yu, C.X. Yu, J.S. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, A. Zallo, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.Q. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.N. Zhang, Y.T. Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, Q.W. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, W.J. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, K. Zhu, K.J. Zhu, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, L. Zotti, B.S. Zou, and J.H. Zou
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Partial wave analysis, Electron–positron annihilation, Hadron, Dalitz plot, 01 natural sciences, law.invention, Nuclear physics, law, 0103 physical sciences, High Energy Physics::Experiment, Center of mass, Born approximation, 010306 general physics, Collider
Abstract: Based on e(+)e(-) annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center-of-mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section o ...
Published: 2017

13. Measurements of the branching fractions for D+→KS0KS0K+, KS0KS0π+ and D0→KS0KS0, KS0KS0KS0

Author: M. Ablikim, M.N. Achasov, S. Ahmed, X.C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, A. Amoroso, F.F. An, Q. An, J.Z. Bai, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, N. Berger, M. Bertani, D. Bettoni, J.M. Bian, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J. Chai, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S. Chen, S.J. Chen, X. Chen, X.R. Chen, Y.B. Chen, H.P. Cheng, X.K. Chu, G. Cibinetto, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, Z.L. Dou, S.X. Du, P.F. Duan, J.Z. Fan, J. Fang, S.S. Fang, X. Fang, Y. Fang, R. Farinelli, L. Fava, O. Fedorov, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.L. Gao, Y. Gao, Z. Gao, I. Garzia, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, A.Q. Guo, L.B. Guo, R.P. Guo, Y. Guo, Y.P. Guo, Z. Haddadi, A. Hafner, S. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, T. Held, Y.K. Heng, T. Holtmann, Z.L. Hou, C. Hu, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, X.T. Huang, X.Z. Huang, Y. Huang, Z.L. Huang, T. Hussain, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, L.W. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B.C. Ke, P. Kiese, R. Kliemt, B. Kloss, O.B. Kolcu, B. Kopf, M. Kornicer, A. Kupsc, W. Kühn, J.S. Lange, M. Lara, P. Larin, H. Leithoff, C. Leng, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, H.B. Li, H.J. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.R. Li, Q.Y. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Y.B. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Y.Y. Liu, Z.A. Liu, Zhiqing Liu, H. Loehner, X.C. Lou, H.J. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, Y.M. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, Y.J. Mao, Z.P. Mao, S. Marcello, J.G. Messchendorp, G. Mezzadri, J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, N.Yu. Muchnoi, H. Muramatsu, P. Musiol, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, Y. Pan, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, V. Prasad, H.R. Qi, M. Qi, S. Qian, C.F. Qiao, L.Q. Qin, N. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, M. Ripka, G. Rong, Ch. Rosner, X.D. Ruan, A. Sarantsev, M. Savrié, C. Schnier, K. Schoenning, S. Schumann, W. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, M. Shi, W.M. Song, X.Y. Song, S. Sosio, S. Spataro, G.X. Sun, J.F. Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, I. Tapan, E.H. Thorndike, M. Tiemens, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.G. Wang, W. Wang, W.P. Wang, X.F. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, T. Weber, D.H. Wei, J.B. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, L.J. Wu, Z. Wu, L. Xia, L.G. Xia, Y. Xia, D. Xiao, H. Xiao, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y.X. Yang, M. Ye, M.H. Ye, J.H. Yin, B.X. Yu, C.X. Yu, J.S. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, A. Zallo, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.Q. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.N. Zhang, Y.T. Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, Q.W. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, W.J. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, K. Zhu, K.J. Zhu, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, L. Zotti, B.S. Zou, and J.H. Zou
Subjects: Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Hadron, Analytical chemistry, Resonance, 010306 general physics, Branching (polymer chemistry), 01 natural sciences
Abstract: By analyzing 2.93 fb − 1 of data taken at the ψ ( 3770 ) resonance peak with the BESIII detector, we measure the branching fractions for the hadronic decays D + → K S 0 K S 0 K + , D + → K S 0 K S 0 π + , D 0 → K S 0 K S 0 and D 0 → K S 0 K S 0 K S 0 . They are determined to be B ( D + → K S 0 K S 0 K + ) = ( 2.54 ± 0.05 s t a t . ± 0.12 s y s . ) × 10 − 3 , B ( D + → K S 0 K S 0 π + ) = ( 2.70 ± 0.05 s t a t . ± 0.12 s y s . ) × 10 − 3 , B ( D 0 → K S 0 K S 0 ) = ( 1.67 ± 0.11 s t a t . ± 0.11 s y s . ) × 10 − 4 and B ( D 0 → K S 0 K S 0 K S 0 ) = ( 7.21 ± 0.33 s t a t . ± 0.44 s y s . ) × 10 − 4 , where the second one is measured for the first time and the others are measured with significantly improved precision over the previous measurements.
Published: 2017

14. Observation of a resonant structure in e+e− → ωη and another in e+e− → ωπ0 at center-of-mass energies between 2.00 and 3.08 GeV

Author: J. Zhao, Z. A. Liu, X. Wang, F. De Mori, Magnus Wolke, Y. F. Liang, Y.T. Gu, V. Prasad, T. T. Han, Z.T. Sun, S. Marcello, Y. Zeng, Y. Ban, Xujin Yuan, P. Weidenkaff, F. H. Heinsius, X. L. Gao, T. Y. Xing, D. Y. Chen, W. Imoehl, S. B. Liu, R. Farinelli, J. G. Lu, S. J. Zhao, C.X. Liu, Z.Y. Deng, Y. P. Guo, H. J. Li, Stephen Lars Olsen, R. Kliemt, X. H. Xie, X. R. Zhou, D.H. Wei, G.F. Xu, Andrzej Kupsc, W.Y. Sun, M. L. Chen, T. Lenz, Y. B. Chen, Y. Fang, Z. Y. You, Z. A. Zhu, W. C. Yan, Gang Chen, R. S. Shi, Cheng Li, D. M. Li, Z. Y. Yuan, Xiaofeng Zhu, J. Z. Zhang, J. J. Song, R. Baldini Ferroli, Q. J. Xu, H. Liang, L. Sun, T. Weber, C. Dong, J.Y. Zhang, S. Sosio, M. Qi, F. Li, J.H. Yin, T. Hu, Z.Y. Wang, Zujian Wang, M. Pelizaeus, A. Bortone, Xuanhong Lou, S. Ahmed, C. W. Wang, M. Fritsch, Viktor Thorén, Nasser Kalantar-Nayestanaki, Y. Bai, H. J. Yang, Z. Ning, S. Y. Xiao, A. Yuncu, Jens Soeren Lange, C. P. Shen, L. J. Wu, X. Wu, S.A. Cetin, S. Nakhoul, M.N. Achasov, Yue Pan, O. Bakina, K. Liu, Tao Luo, J.H. Zou, Q. Liu, Y.Z. Sun, L. Yan, J. F. Hu, X.S. Kang, F.X. Lu, G.X. Sun, W. M. Song, Y. X. Tan, P. X. Shen, Z. Wu, L. Y. Dong, X.Q. Hao, Zhiyong Zhang, S. L. Yang, Ke Liu, Q. A. Malik, Zhenjun Xiao, A. Sarantsev, C.L. Luo, X. L. Lu, L. L. Ma, L. Gong, T. Liu, L. Koch, Libo Guo, L.L. Wang, Joachim Pettersson, L. G. Xia, A. Amoroso, J.L. Ping, J. Tang, B. Zhong, X. Y. Jiang, Shuai Liu, R.P. Guo, Jinfei Wu, M. M. Ma, Zhiqing Zhang, F. Feldbauer, X. L. Ji, Z.X. Meng, Yu Lu, P. Kiese, Yuan Hou, M. Rolo, H. Y. Zhang, B. X. Yu, L. Fava, Zhi Yang, L. M. Gu, Yunlong Zhang, A. Dbeyssi, L.H. Wu, R. A. Briere, J. J. Xu, L. P. Zhou, A. Calcaterra, H. B. Li, A. G. Denig, Q. Zhou, Y. J. Mo, R. B. de Boer, Guangyi Zhang, X.P. Qin, Feng Liu, N. Yu. Muchnoi, I. K. Keshk, C. X. Lin, F. F. Sui, M. Rump, M. H. Gu, D. C. Shan, Shan Jin, Xu Yan, Y. M. Ma, H. J. Lu, Z. H. Qin, X D Shi, Q. Ji, Y. J. Mao, R. Kiuchi, R. T. Ma, M. Y. Dong, Y. Zhang, X. S. Jiang, R. Poling, F.H. Liu, I. Denysenko, J. V. Bennett, H. Xiao, Ziyuan Li, Y. H. Zheng, C. X. Yu, Cong-Feng Qiao, B.S. Zou, X. N. Ma, J. B. Jiao, J. Fang, I.B. Nikolaev, G. Li, Jianping Zheng, A. Lavania, W. Shan, C. Zhong, B. Kopf, Z. Jiao, S. F. Zhang, I. Garzia, L. Zhang, R. X. Yang, Wei Xu, H. Muramatsu, A. N. Zhu, Ulrich Wiedner, Y.T. Liang, Tao Zhang, T. Holtmann, W.G. Li, B. Zheng, R. G. Ping, P. Adlarson, K. Peters, J. Y. Liu, M. Savrié, Y. K. Heng, Y.X. Zhao, H. S. Chen, G. Chelkov, Y. B. Zhao, Ch. Rosner, K. L. He, Junfeng Sun, Ziyi Wang, J. Dong, Zhiqing Liu, Q.M. Ma, T. J. Min, F.C. Ma, M. Ablikim, M. Z. Wang, A. Rivetti, M. Bertani, M. Albrecht, Y. H. Zhang, M. Kavatsyuk, Jianyu Zhang, Huihui Liu, H. L. Dai, T. Z. Han, J. Q. Zhang, J. G. Messchendorp, H. C. Shi, Q. Zhao, G. Felici, C.H. Li, S. S. Sun, K. Zhu, M. Kuemmel, Matthew Glenn Kurth, M.H. Ye, Jimin Zhao, X. Y. Shen, P.R. Li, S. Nisar, C. J. Tang, T. Johansson, J. F. Chang, X. Liu, J. Libby, Y. F. Wang, P. L. Li, Y. F. Long, X.R. Chen, K. Ravindran, W. D. Li, O.B. Kolcu, Xu Shan, X. L. Luo, L. Lavezzi, J. P. Dai, Q.P. Ji, M. Destefanis, X. S. Qin, Y. P. Lu, C.D. Fu, D. Dedovich, X. H. Mo, W. Kühn, X. F. Cui, B. Wang, M. Greco, L.Q. Qin, H. R. Qi, X. Cai, C. F. Redmer, J. D. Lu, B.X. Zhang, B. T. Tsednee, C. Schnier, D. Bettoni, L. Z. Liao, Meng Wang, Muhammad Irshad, L. Yang, X. Pan, Y. G. Xie, Ke Wang, C. Li, M. G. Zhao, Y. H. Yang, M. H. Ye, X. X. Ma, J. Zhu, A. Pitka, Y. Ding, Xiongfei Wang, G. Cibinetto, Yi Zhang, R. E. Mitchell, Yan Zhang, Y. K. Sun, Z. Huang, S. Spataro, X. P. Xu, H. B. Jiang, Jiawei Zhang, J. L. Li, John Jake Lane, X. T. Huang, G. S. Huang, Evelina Gersabeck, S. Lusso, H.L. Ma, Guoqiang Yu, G. Rong, S. Q. Qu, Z. B. Li, W. Ikegami Andersson, P. Larin, S. Zhang, I. Balossino, X. Zhou, Y. Fu, Bibo Ke, M. X. Luo, Dylan Jaide White, S. X. Du, W. Gradl, H. Cai, F. A. Harris, W. L. Chang, W. B. Yan, Y. Hu, K. Schoenning, Y. Gao, L. Q. Huang, W. J. Zhu, Jacek Biernat, Y. Schelhaas, X. D. Shi, Y. X. Song, D. Y. Wang, Lei Li, B. L. Wang, H. M. Liu, Y. Jin, H. Leithoff, S. Han, T. Hussain, L. Zhao, I. Boyko, Niklaus Berger, Lei Zhang, X. Y. Ma, W. X. Gong, Y. Nefedov, A. Khoukaz, Ruiting Ma, M. Shao, A. Pathak, S. Pacetti, Z. Qian, G. F. Cao, N. Huesken, Y. C. Zhu, Xiao-Rui Lyu, S. Malde, R. Kappert, B.J. Liu, Y. H. Tan, Ke Li, Haiping Peng, Z. G. Zhao, T. Held, K. Begzsuren, Y. G. Gao, W. H. Wang, H. H. Zhang, Q. Q. Song, S. Gu, Fang Liu, C.X. Yue, S.P. Wen, M. Lellmann, S. Maldaner, Y. J. Xiao, J. Q. Li, A. Q. Guo, Y.Q. Wang, S. Janchiv, J.F. Qiu, X. A. Xiong, L. D. Liu, W. P. Wang, F. Bianchi, J. Bloms, A. A. Zafar, K. H. Rashid, Y.D. Wang, Z.P. Mao, S. Qian, Q. An, A. Guskov, S. J. Chen, X. Y. Zhang, X. L. Wang, J. B. Liu, Y. J. Sun, Yifan Yang, D. Y. Liu, Zongyuan Wang, F. Weidner, Y. Yuan, W. L. Yuan, Q. Ouyang, S. S. Fang, C. Y. Guan, F. Nerling, Y. B. Liu, J.L. Zhang, Huanhuan Liu, F.E. Maas, Dong E. Liu, X. H. Li, L. Wollenberg, Xingchao Dai, Si Li, M. Kuessner, Tao Sun, Y. H. Xie, M. Maggiora, Lei Zhao, K. Goetzen, C. Z. Yuan, N. Cao, A. Zhemchugov, P. W. Luo, I. Uman, L. K. Li, P. Patteri, S. Jaeger, H.X. Yang, H.B. Liu, V. Rodin, Y.X. Yang, X. B. Ji, K.Y. Liu, Bingxuan Liu, G. Wilkinson, M. Himmelreich, G. Y. Tang, W. S. Cheng, Yao Zhang, S.H. Zhu, A. Gilman, Guang Zhao, F. Cossio, Jie Zhao, C. Q. Feng, Hai-Tian Wang, Z.L. Hou, Xingguo Li, H. M. Hu, A. Mangoni, Jie Yu, G. Mezzadri, K. J. Zhu, J. W. Zhang, T. Y. Qi, T. Yu, X. K. Zhou, Wenbin Qian, Nuclear Energy, Research unit Nuclear & Hadron Physics, and Energy and Sustainability Research Institute Groni
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, BESIII, Excited ρ states, Excited ω states, 01 natural sciences, Resonance (particle physics), lcsh:QC1-999, NO, law.invention, Nuclear physics, law, 0103 physical sciences, ϕ(2170), Center of mass, 010306 general physics, Collider, lcsh:Physics
Abstract: Born cross sections for the processes e + e − → ω η and e + e − → ω π 0 have been determined for center-of-mass energies between 2.00 and 3.08 GeV with the BESIII detector at the BEPCII collider. The results obtained in this work are consistent with previous measurements but with improved precision. Two resonant structures are observed. In the e + e − → ω η cross sections, a resonance with a mass of ( 2176 ± 24 ± 3 ) MeV / c 2 and a width of ( 89 ± 50 ± 5 ) MeV is observed with a significance of 6.2σ. Its properties are consistent with the ϕ ( 2170 ) . In the e + e − → ω π 0 cross sections, a resonance denoted Y ( 2040 ) is observed with a significance of more than 10σ. Its mass and width are determined to be ( 2034 ± 13 ± 9 ) MeV / c 2 and ( 234 ± 30 ± 25 ) MeV , respectively, where the first uncertainties are statistical and the second ones are systematic.
Published: 2021

15. Corrigendum to 'Measurement of the e+e− → π+π− cross section between 600 and 900 MeV using initial state radiation' [Phys. Lett. B 753 (2016) 629–638]

Author: M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, R. Aliberti, A. Amoroso, Q. An, X.H. Bai, Y. Bai, O. Bakina, R. Baldini Ferroli, I. Balossino, Y. Ban, K. Begzsuren, N. Berger, M. Bertani, D. Bettoni, F. Bianchi, J. Biernat, J. Bloms, A. Bortone, I. Boyko, R.A. Briere, H. Cai, X. Cai, A. Calcaterra, G.F. Cao, N. Cao, S.A. Cetin, J.F. Chang, W.L. Chang, G. Chelkov, D.Y. Chen, G. Chen, H.S. Chen, M.L. Chen, S.J. Chen, X.R. Chen, Y.B. Chen, Z.J. Chen, W.S. Cheng, G. Cibinetto, F. Cossio, X.F. Cui, H.L. Dai, X.C. Dai, A. Dbeyssi, R.E. de Boer, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, X. Dong, S.X. Du, J. Fang, S.S. Fang, Y. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, M. Fritsch, C.D. Fu, Y. Gao, Y.G. Gao, I. Garzia, E.M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W.X. Gong, W. Gradl, M. Greco, L.M. Gu, M.H. Gu, S. Gu, Y.T. Gu, C.Y. Guan, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guo, A. Guskov, T.T. Han, X.Q. Hao, F.A. Harris, K.L. He, F.H. Heinsius, C.H. Heinz, T. Held, Y.K. Heng, C. Herold, M. Himmelreich, T. Holtmann, Y.R. Hou, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.S. Huang, L.Q. Huang, X.T. Huang, Y.P. Huang, Z. Huang, N. Huesken, T. Hussain, W. Ikegami Andersson, W. Imoehl, M. Irshad, S. Jaeger, S. Janchiv, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, H.B. Jiang, X.S. Jiang, J.B. Jiao, Z. Jiao, S. Jin, Y. Jin, T. Johansson, N. Kalantar-Nayestanaki, X.S. Kang, R. Kappert, M. Kavatsyuk, B.C. Ke, I.K. Keshk, A. Khoukaz, P. Kiese, R. Kiuchi, R. Kliemt, L. Koch, O.B. Kolcu, B. Kopf, M. Kuemmel, M. Kuessner, A. Kupsc, M.G. Kurth, W. Kühn, J.J. Lane, J.S. Lange, P. Larin, A. Lavania, L. Lavezzi, Z.H. Lei, H. Leithoff, M. Lellmann, T. Lenz, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H. Li, H.B. Li, H.J. Li, J.L. Li, J.Q. Li, Ke Li, L.K. Li, Lei Li, P.L. Li, P.R. Li, S.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, Z.Y. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, L.Z. Liao, J. Libby, C.X. Lin, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L. Liu, M.H. Liu, Q. Liu, S.B. Liu, Shuai Liu, T. Liu, W.M. Liu, X. Liu, Y.B. Liu, Z.A. Liu, Z.Q. Liu, X.C. Lou, F.X. Lu, H.J. Lu, J.D. Lu, J.G. Lu, X.L. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, P.W. Luo, T. Luo, X.L. Luo, S. Lusso, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, R.Q. Ma, R.T. Ma, X.X. Ma, X.Y. Ma, F.E. Maas, M. Maggiora, S. Maldaner, S. Malde, Q.A. Malik, A. Mangoni, Y.J. Mao, Z.P. Mao, S. Marcello, Z.X. Meng, J.G. Messchendorp, G. Mezzadri, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, N.Yu. Muchnoi, H. Muramatsu, S. Nakhoul, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Olsen, Q. Ouyang, S. Pacetti, X. Pan, Y. Pan, A. Pathak, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, R. Poling, V. Prasad, H. Qi, H.R. Qi, K.H. Qi, M. Qi, T.Y. Qi, S. Qian, W.-B. Qian, Z. Qian, C.F. Qiao, L.Q. Qin, X.S. Qin, Z.H. Qin, J.F. Qiu, S.Q. Qu, K. Ravindran, C.F. Redmer, A. Rivetti, V. Rodin, M. Rolo, G. Rong, Ch. Rosner, M. Rump, H.S. Sang, A. Sarantsev, Y. Schelhaas, C. Schnier, K. Schoenning, M. Scodeggio, D.C. Shan, W. Shan, X.Y. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.C. Shi, R.S. Shi, X. Shi, X.D. Shi, J.J. Song, W.M. Song, Y.X. Song, S. Sosio, S. Spataro, K.X. Su, F.F. Sui, G.X. Sun, H.K. Sun, J.F. Sun, L. Sun, S.S. Sun, T. Sun, W.Y. Sun, X. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.T. Sun, Y.H. Tan, Y.X. Tan, C.J. Tang, G.Y. Tang, J. Tang, J.X. Teng, V. Thoren, I. Uman, B. Wang, C.W. Wang, D.Y. Wang, H.P. Wang, K. Wang, L.L. Wang, M. Wang, M.Z. Wang, Meng Wang, W.H. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.Y. Wang, Ziyi Wang, Zongyuan Wang, D.H. Wei, P. Weidenkaff, F. Weidner, S.P. Wen, D.J. White, U. Wiedner, G. Wilkinson, M. Wolke, L. Wollenberg, J.F. Wu, L.H. Wu, L.J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S.Y. Xiao, Z.J. Xiao, X.H. Xie, Y.G. Xie, Y.H. Xie, T.Y. Xing, G.F. Xu, J.J. Xu, Q.J. Xu, W. Xu, X.P. Xu, Y.C. Xu, F. Yan, L. Yan, W.B. Yan, W.C. Yan, Xu Yan, H.J. Yang, H.X. Yang, L. Yang, S.L. Yang, Y.H. Yang, Y.X. Yang, Yifan Yang, Zhi Yang, M. Ye, M.H. Ye, J.H. Yin, Z.Y. You, B.X. Yu, C.X. Yu, G. Yu, J.S. Yu, T. Yu, C.Z. Yuan, L. Yuan, W. Yuan, X.Q. Yuan, Y. Yuan, Z.Y. Yuan, C.X. Yue, A. Yuncu, A.A. Zafar, Y. Zeng, B.X. Zhang, Guangyi Zhang, H. Zhang, H.H. Zhang, H.Y. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, Jianyu Zhang, Jiawei Zhang, Lei Zhang, S. Zhang, S.F. Zhang, Shulei Zhang, X.D. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z.H. Zhang, Z.Y. Zhang, G. Zhao, J. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, Y.B. Zhao, Y.X. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y. Zheng, Y.H. Zheng, B. Zhong, C. Zhong, L.P. Zhou, Q. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, A.N. Zhu, J. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, T.J. Zhu, W.J. Zhu, Y.C. Zhu, Z.A. Zhu, B.S. Zou, and J.H. Zou
Subjects: Nuclear and High Energy Physics, 010308 nuclear & particles physics, Covariance matrix, BESIII, Hadronic cross section, 01 natural sciences, Pion form factor, lcsh:QC1-999, NO, 0103 physical sciences, Initial state radiation, 010306 general physics, Muon anomaly, lcsh:Physics
Abstract: In Ref. [1] the BESIII collaboration published a cross section measurement of the process e+e−→π+π− in the energy range between 600 and 900 MeV. In this corrigendum, we report a corrected evaluation of the statistical errors in terms of a fully propagated covariance matrix. The correction also yields a reduced statistical uncertainty for the hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon, which now reads as aμππ,LO(600−900MeV)=(368.2±1.5stat±3.3syst)×10−10. The central values of the cross section measurement and of aμππ,LO, as well as the systematic uncertainties remain unchanged.
Published: 2021

16. Measurement of the leptonic decay width of J/ψ using initial state radiation

Author: M. Ablikim, M.N. Achasov, X.C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, A. Amoroso, F.F. An, Q. An, J.Z. Bai, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, M. Bertani, D. Bettoni, J.M. Bian, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, H.Y. Chen, J.C. Chen, M.L. Chen, S.J. Chen, X. Chen, X.R. Chen, Y.B. Chen, H.P. Cheng, X.K. Chu, G. Cibinetto, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, S.X. Du, P.F. Duan, E.E. Eren, J.Z. Fan, J. Fang, S.S. Fang, X. Fang, Y. Fang, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.Y. Gao, Y. Gao, Z. Gao, I. Garzia, C. Geng, K. Goetzen, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, A.Q. Guo, L.B. Guo, Y. Guo, Y.P. Guo, Z. Haddadi, A. Hafner, S. Han, Y.L. Han, X.Q. Hao, F.A. Harris, K.L. He, Z.Y. He, T. Held, Y.K. Heng, Z.L. Hou, C. Hu, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.M. Huang, G.S. Huang, H.P. Huang, J.S. Huang, X.T. Huang, Y. Huang, T. Hussain, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, L.L. Jiang, L.W. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B.C. Ke, P. Kiese, R. Kliemt, B. Kloss, O.B. Kolcu, B. Kopf, M. Kornicer, W. Kuehn, A. Kupsc, J.S. Lange, M. Lara, P. Larin, C. Leng, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H.B. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.R. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.M. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, D.X. Lin, B.J. Liu, C.X. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, X.X. Liu, Y.B. Liu, Z.A. Liu, Zhiqiang Liu, Zhiqing Liu, H. Loehner, X.C. Lou, H.J. Lu, J.G. Lu, R.Q. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, M. Lv, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, F.E. Maas, M. Maggiora, Y.J. Mao, Z.P. Mao, S. Marcello, J.G. Messchendorp, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, K. Moriya, N.Yu. Muchnoi, H. Muramatsu, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, V. Prasad, Y.N. Pu, M. Qi, S. Qian, C.F. Qiao, L.Q. Qin, N. Qin, X.S. Qin, Y. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, H.L. Ren, M. Ripka, G. Rong, Ch. Rosner, X.D. Ruan, V. Santoro, A. Sarantsev, M. Savrié, K. Schoenning, S. Schumann, W. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, W.M. Song, X.Y. Song, S. Sosio, S. Spataro, G.X. Sun, J.F. Sun, S.S. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, I. Tapan, E.H. Thorndike, M. Tiemens, M. Ullrich, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.G. Wang, W. Wang, X.F. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, T. Weber, D.H. Wei, J.B. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, Z. Wu, L.G. Xia, Y. Xia, D. Xiao, H. Xiao, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y. Yang, Y.X. Yang, H. Ye, M. Ye, M.H. Ye, J.H. Yin, B.X. Yu, C.X. Yu, H.W. Yu, J.S. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, A. Zallo, Y. Zeng, B.X. Zhang, B.Y. Zhang, C. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.H. Zhang, X.Y. Zhang, Y. Zhang, Y.N. Zhang, Y.H. Zhang, Y.T. Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, Q.W. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, W.J. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, Li Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, K. Zhu, K.J. Zhu, S. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, L. Zotti, B.S. Zou, J.H. Zou, Research unit Nuclear & Hadron Physics, Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü., Tapan, İlhan, Doğuş Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümü, TR3959, Çetin, Serkant Ali, BESIII Collaboration, and İstanbul Arel Üniversitesi
Subjects: Particle physics, Nuclear and High Energy Physics, Electron–positron annihilation, BESIII, Electronic width, Initial state radiation, J/ψ resonance, Radiation, 01 natural sciences, law.invention, High Energy Physics - Experiment, NO, Nuclear physics, E(+)E(-) COLLISIONS, Charmonium, Drift Chambers, Branching, law, J/psi resonance, 0103 physical sciences, Fysik, ddc:530, Physics, nuclear, 010306 general physics, Collider, Nuclear Experiment, Physics, 010308 nuclear & particles physics, Branching fraction, State (functional analysis), J/? resonance, FINAL-STATES, lcsh:QC1-999, Physical Sciences, Astronomy & astrophysics, Physics, particles & fields, High Energy Physics::Experiment, CROSS-SECTION, lcsh:Physics
Abstract: Physics letters / B 761, 98 - 103(2016). doi:10.1016/j.physletb.2016.08.011, Using a data set of 2.93 fb$^{-1}$ taken at a center-of-mass energy of $\sqrt{s}$ = 3.773 GeV with the BESIII detector at the BEPCII collider, we measure the process $e^+e^-\rightarrow J/\psi\gamma\rightarrow \mu^+\mu^-\gamma$ and determine the product of the branching fraction and the electronic width $\mathcal B_{\mu\mu}\cdot \Gamma_{ee} = (333.4 \pm 2.5_{\rm stat} \pm 4.4_{\rm sys})$~eV. Using the earlier-published BESIII result for $\mathcal B_{\mu\mu}$ = (5.973 $\pm$ 0.007$_{\rm stat}$ $\pm$ 0.037$_{\rm sys}$)\%, we derive the $J/\psi$ electronic width $\Gamma_{ee}$~= (5.58 $\pm$ 0.05$_{\rm stat}$ $\pm$ 0.08$_{\rm sys}$) keV., Published by North-Holland Publ., Amsterdam
Published: 2016
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17. Measurement of the branching fractions of Ds+→η′X and Ds+→η′ρ+ in e+e−→Ds+Ds−

Author: M. Ablikim, M.N. Achasov, X.C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, A. Amoroso, F.F. An, Q. An, J.Z. Bai, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, M. Bertani, D. Bettoni, J.M. Bian, F. Bianchi, E. Boger, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, H.Y. Chen, J.C. Chen, M.L. Chen, S.J. Chen, X. Chen, X.R. Chen, Y.B. Chen, H.P. Cheng, X.K. Chu, G. Cibinetto, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, S.X. Du, P.F. Duan, E.E. Eren, J.Z. Fan, J. Fang, S.S. Fang, X. Fang, Y. Fang, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.Y. Gao, Y. Gao, Z. Gao, I. Garzia, C. Geng, K. Goetzen, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, A.Q. Guo, L.B. Guo, Y. Guo, Y.P. Guo, Z. Haddadi, A. Hafner, S. Han, Y.L. Han, X.Q. Hao, F.A. Harris, K.L. He, Z.Y. He, T. Held, Y.K. Heng, Z.L. Hou, C. Hu, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.M. Huang, G.S. Huang, H.P. Huang, J.S. Huang, X.T. Huang, Y. Huang, T. Hussain, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, L.L. Jiang, L.W. Jiang, X.S. Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B.C. Ke, P. Kiese, R. Kliemt, B. Kloss, O.B. Kolcu, B. Kopf, M. Kornicer, W. Kühn, A. Kupsc, J.S. Lange, M. Lara, P. Larin, C. Leng, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H.B. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.R. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.M. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, D.X. Lin, B.J. Liu, C.X. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, X.X. Liu, Y.B. Liu, Z.A. Liu, Zhiqiang Liu, Zhiqing Liu, H. Loehner, X.C. Lou, H.J. Lu, J.G. Lu, R.Q. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, M. Lv, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, T. Ma, X.N. Ma, X.Y. Ma, F.E. Maas, M. Maggiora, Y.J. Mao, Z.P. Mao, S. Marcello, J.G. Messchendorp, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, K. Moriya, N.Yu. Muchnoi, H. Muramatsu, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, V. Prasad, Y.N. Pu, M. Qi, S. Qian, C.F. Qiao, L.Q. Qin, N. Qin, X.S. Qin, Y. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, H.L. Ren, M. Ripka, G. Rong, Ch. Rosner, X.D. Ruan, V. Santoro, A. Sarantsev, M. Savrié, K. Schoenning, S. Schumann, W. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, W.M. Song, X.Y. Song, S. Sosio, S. Spataro, G.X. Sun, J.F. Sun, S.S. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, I. Tapan, E.H. Thorndike, M. Tiemens, M. Ullrich, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.G. Wang, W. Wang, X.F. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, T. Weber, D.H. Wei, J.B. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, Z. Wu, L.G. Xia, Y. Xia, D. Xiao, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, H.X. Yang, L. Yang, Y. Yang, Y.X. Yang, H. Ye, M. Ye, M.H. Ye, J.H. Yin, B.X. Yu, C.X. Yu, H.W. Yu, J.S. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, A. Zallo, Y. Zeng, B.X. Zhang, B.Y. Zhang, C. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.H. Zhang, X.Y. Zhang, Y. Zhang, Y.N. Zhang, Y.H. Zhang, Y.T. Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, Q.W. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, W.J. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, Li Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, K. Zhu, K.J. Zhu, S. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, L. Zotti, B.S. Zou, and J.H. Zou
Subjects: Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Analytical chemistry, Branching (polymer chemistry), 01 natural sciences, Nuclear physics, 0103 physical sciences, Pi, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: We study D-s(+) decays to final states involving the eta' with a 482 pb(-1) data sample collected at root s = 4.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractions B(D-s(+) -> eta'X) = (8.8 +/- 1.8 +/- 0.5)% and B(D-s(+) > eta'rho(+)) = (5.8 +/- 1.4 +/- 0.4)% where the first uncertainty is statistical and the second is systematic. In addition, we estimate an upper limit on the non-resonant branching ratio B(D-s(+) -> eta'pi(+)pi(0)) eta'rho(+)). (C) 2015 The Authors. Published by Elsevier B.V.
Published: 2015

18. An improved limit for Γee of X(3872) and Γee measurement of ψ(3686)

Author: M. Ablikim, M.N. Achasov, X.C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, A. Amoroso, F.F. An, Q. An, J.Z. Bai, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, M. Bertani, D. Bettoni, J.M. Bian, F. Bianchi, E. Boger, O. Bondarenko, I. Boyko, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, H.Y. Chen, J.C. Chen, M.L. Chen, S.J. Chen, X. Chen, X.R. Chen, Y.B. Chen, H.P. Cheng, X.K. Chu, G. Cibinetto, D. Cronin-Hennessy, H.L. Dai, J.P. Dai, A. Dbeyssi, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, S.X. Du, P.F. Duan, J.Z. Fan, J. Fang, S.S. Fang, X. Fang, Y. Fang, L. Fava, F. Feldbauer, G. Felici, C.Q. Feng, E. Fioravanti, M. Fritsch, C.D. Fu, Q. Gao, X.Y. Gao, Y. Gao, Z. Gao, I. Garzia, C. Geng, K. Goetzen, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, A.Q. Guo, L.B. Guo, Y. Guo, Y.P. Guo, Z. Haddadi, A. Hafner, S. Han, Y.L. Han, X.Q. Hao, F.A. Harris, K.L. He, Z.Y. He, T. Held, Y.K. Heng, Z.L. Hou, C. Hu, H.M. Hu, J.F. Hu, T. Hu, Y. Hu, G.M. Huang, G.S. Huang, H.P. Huang, J.S. Huang, X.T. Huang, Y. Huang, T. Hussain, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, L.L. Jiang, L.W. Jiang, X.S. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B.C. Ke, R. Kliemt, B. Kloss, O.B. Kolcu, B. Kopf, M. Kornicer, W. Kühn, A. Kupsc, W. Lai, J.S. Lange, M. Lara, P. Larin, C. Leng, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H.B. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.R. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.M. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, D.X. Lin, B.J. Liu, C.X. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J. Liu, J.P. Liu, J.Y. Liu, K. Liu, K.Y. Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, X.X. Liu, Y.B. Liu, Z.A. Liu, Zhiqiang Liu, Zhiqing Liu, H. Loehner, X.C. Lou, H.J. Lu, J.G. Lu, R.Q. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, M. Lv, X.R. Lyu, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, S. Ma, T. Ma, X.N. Ma, X.Y. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, Y.J. Mao, Z.P. Mao, S. Marcello, J.G. Messchendorp, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, C. Morales Morales, K. Moriya, N.Yu. Muchnoi, H. Muramatsu, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, S.L. Niu, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, P. Patteri, M. Pelizaeus, H.P. Peng, K. Peters, J. Pettersson, J.L. Ping, R.G. Ping, R. Poling, Y.N. Pu, M. Qi, S. Qian, C.F. Qiao, L.Q. Qin, N. Qin, X.S. Qin, Y. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, H.L. Ren, M. Ripka, G. Rong, X.D. Ruan, V. Santoro, A. Sarantsev, M. Savrié, K. Schoenning, S. Schumann, W. Shan, M. Shao, C.P. Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, W.M. Song, X.Y. Song, S. Sosio, S. Spataro, G.X. Sun, J.F. Sun, S.S. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, I. Tapan, E.H. Thorndike, M. Tiemens, D. Toth, M. Ullrich, I. Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, Q.J. Wang, S.G. Wang, W. Wang, X.F. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, T. Weber, D.H. Wei, J.B. Wei, P. Weidenkaff, S.P. Wen, U. Wiedner, M. Wolke, L.H. Wu, Z. Wu, L.G. Xia, Y. Xia, D. Xiao, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.X. Yang, L. Yang, Y. Yang, Y.X. Yang, H. Ye, M. Ye, M.H. Ye, J.H. Yin, B.X. Yu, C.X. Yu, H.W. Yu, J.S. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, A. Zallo, Y. Zeng, B.X. Zhang, B.Y. Zhang, C. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J.J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.H. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, Q.W. Zhao, S.J. Zhao, T.C. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, W.J. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, Li Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, K. Zhu, K.J. Zhu, S. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, L. Zotti, B.S. Zou, and J.H. Zou
Subjects: Physics, Physics::General Physics, Nuclear and High Energy Physics, Particle physics, Photon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Branching fraction, Astrophysics::High Energy Astrophysical Phenomena, Detector, Quantum number, 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Statistical analysis, Limit (mathematics), Nuclear Experiment, 010306 general physics, Storage ring, X(3872)
Abstract: Using the data sets taken at center-of-mass energies above 4 GeV by the BESIII detector at the BEPCII storage ring, we search for the reaction e(+)e(-) -> gamma(ISR) X(3872) -> gamma(ISR)pi(+ ...
Published: 2015

19. Measurement of the D→K−π+ strong phase difference in ψ(3770)→D0D¯0

Author: M. Ablikim, M.N. Achasov, X.C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, F.F. An, Q. An, J.Z. Bai, R. Baldini Ferroli, Y. Ban, D.W. Bennett, J.V. Bennett, M. Bertani, J.M. Bian, E. Boger, O. Bondarenko, I. Boyko, S. Braun, R.A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G.F. Cao, S.A. Cetin, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S.J. Chen, X. Chen, X.R. Chen, Y.B. Chen, H.P. Cheng, X.K. Chu, Y.P. Chu, D. Cronin-Hennessy, H.L. Dai, J.P. Dai, D. Dedovich, Z.Y. Deng, A. Denig, I. Denysenko, M. Destefanis, W.M. Ding, Y. Ding, C. Dong, J. Dong, L.Y. Dong, M.Y. Dong, S.X. Du, J.Z. Fan, J. Fang, S.S. Fang, Y. Fang, L. Fava, C.Q. Feng, C.D. Fu, O. Fuks, Q. Gao, Y. Gao, C. Geng, K. Goetzen, W.X. Gong, W. Gradl, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, L.B. Guo, T. Guo, Y.P. Guo, Z. Haddadi, Y.L. Han, F.A. Harris, K.L. He, M. He, Z.Y. He, T. Held, Y.K. Heng, Z.L. Hou, C. Hu, H.M. Hu, J.F. Hu, T. Hu, G.M. Huang, G.S. Huang, H.P. Huang, J.S. Huang, L. Huang, X.T. Huang, Y. Huang, T. Hussain, C.S. Ji, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, L.L. Jiang, L.W. Jiang, X.S. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X.L. Kang, X.S. Kang, M. Kavatsyuk, B. Kloss, B. Kopf, M. Kornicer, W. Kuehn, A. Kupsc, W. Lai, J.S. Lange, M. Lara, P. Larin, M. Leyhe, C.H. Li, Cheng Li, Cui Li, D. Li, D.M. Li, F. Li, G. Li, H.B. Li, J.C. Li, Jin Li, K. Li, Lei Li, P.R. Li, Q.J. Li, T. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, D.X. Lin, B.J. Liu, C.L. Liu, C.X. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.H. Liu, H.M. Liu, J. Liu, J.P. Liu, K. Liu, K.Y. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Z.A. Liu, Zhiqiang Liu, Zhiqing Liu, H. Loehner, X.C. Lou, G.R. Lu, H.J. Lu, H.L. Lu, J.G. Lu, Y. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, M. Lv, X.R. Lyu, F.C. Ma, H.L. Ma, Q.M. Ma, S. Ma, T. Ma, X.Y. Ma, F.E. Maas, M. Maggiora, Q.A. Malik, Y.J. Mao, Z.P. Mao, J.G. Messchendorp, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, Y.J. Mo, H. Moeini, C. Morales Morales, K. Moriya, N.Yu. Muchnoi, H. Muramatsu, Y. Nefedov, F. Nerling, I.B. Nikolaev, Z. Ning, S. Nisar, X.Y. Niu, S.L. Olsen, Q. Ouyang, S. Pacetti, M. Pelizaeus, H.P. Peng, K. Peters, J.L. Ping, R.G. Ping, R. Poling, M. Qi, S. Qian, C.F. Qiao, L.Q. Qin, N. Qin, X.S. Qin, Y. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, C.F. Redmer, M. Ripka, G. Rong, X.D. Ruan, A. Sarantsev, K. Schoenning, S. Schumann, W. Shan, M. Shao, C.P. Shen, X.Y. Shen, H.Y. Sheng, M.R. Shepherd, W.M. Song, X.Y. Song, S. Spataro, B. Spruck, G.X. Sun, J.F. Sun, S.S. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, I. Tapan, E.H. Thorndike, M. Tiemens, D. Toth, M. Ullrich, I. Uman, G.S. Varner, B. Wang, D. Wang, D.Y. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, Q.J. Wang, S.G. Wang, W. Wang, X.F. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.H. Wang, Z.Y. Wang, D.H. Wei, J.B. Wei, P. Weidenkaff, S.P. Wen, M. Werner, U. Wiedner, M. Wolke, L.H. Wu, N. Wu, Z. Wu, L.G. Xia, Y. Xia, D. Xiao, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, L. Xu, Q.J. Xu, Q.N. Xu, X.P. Xu, Z. Xue, L. Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.X. Yang, L. Yang, Y. Yang, Y.X. Yang, H. Ye, M. Ye, M.H. Ye, B.X. Yu, C.X. Yu, H.W. Yu, J.S. Yu, S.P. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, A. Zallo, S.L. Zang, Y. Zeng, B.X. Zhang, B.Y. Zhang, C. Zhang, C.B. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J.J. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, S.H. Zhang, X.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, Q.W. Zhao, S.J. Zhao, T.C. Zhao, X.H. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, Li Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, K. Zhu, K.J. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, B.S. Zou, and J.H. Zou
Subjects: Phase difference, Physics, Nuclear and High Energy Physics, media_common.quotation_subject, Electron–positron annihilation, Quantum mechanics, Analytical chemistry, Pi, CP violation, 7. Clean energy, Asymmetry, media_common
Abstract: We study D 0 D ¯ 0 pairs produced in e + e − collisions at s = 3.773 GeV using a data sample of 2.92 fb−1 collected with the BESIII detector. We measured the asymmetry A K π CP of the branching fractions of D → K − π + in CP-odd and CP-even eigenstates to be ( 12.7 ± 1.3 ± 0.7 ) × 10 − 2 . A K π CP can be used to extract the strong phase difference δ K π between the doubly Cabibbo-suppressed process D ¯ 0 → K − π + and the Cabibbo-favored process D 0 → K − π + . Using world-average values of external parameters, we obtain cos δ K π = 1.02 ± 0.11 ± 0.06 ± 0.01 . Here, the first and second uncertainties are statistical and systematic, respectively, while the third uncertainty arises from the external parameters. This is the most precise measurement of δ K π to date.
Published: 2014

20. Photocatalytic properties of Bi2O2CO3 nanosheets synthesized via a surfactant-assisted hydrothermal method

Author: Hong Liang, Y.X. Yang, J.C. Tang, and M. Ge
Subjects: Materials science, Diffuse reflectance infrared fourier transform, Scanning electron microscope, Mechanical Engineering, Inorganic chemistry, Condensed Matter Physics, Hydrothermal circulation, chemistry.chemical_compound, chemistry, Pulmonary surfactant, Chemical engineering, Mechanics of Materials, Transmission electron microscopy, Photocatalysis, General Materials Science, Sodium dodecyl sulfate, Photodegradation
Abstract: Bi2O2CO3 nanosheets were synthesized via a facile sodium dodecyl sulfate (SDS)-assisted hydrothermal process. X-Ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Brunauer–Emmett–Teller (BET) surface area analysis and UV-Vis diffuse reflectance spectroscopy techniques were used to investigate the phase structure, morphology and optical properties of the Bi2O2CO3 products. The SDS surfactant played an important role in the formation of Bi2O2CO3 nanosheets. As-synthesized Bi2O2CO3 nanosheets exhibited excellent photocatalytic activity for RhB degradation under irradiation with simulated sunlight. O2 − radicals are considered to be the dominant active oxygen species in the photodegradation process.
Published: 2013

21. Precision measurement of the branching fractions of J/ψ→π+π−π0 and ψ′→π+π−π0

Author: M. Ablikim, M.N. Achasov, D. Alberto, D.J. Ambrose, F.F. An, Q. An, Z.H. An, J.Z. Bai, R.B.F. Baldini Ferroli, Y. Ban, J. Becker, N. Berger, M.B. Bertani, J.M. Bian, E. Boger, O. Bondarenko, I. Boyko, R.A. Briere, V. Bytev, X. Cai, A.C. Calcaterra, G.F. Cao, J.F. Chang, G. Chelkov, G. Chen, H.S. Chen, J.C. Chen, M.L. Chen, S.J. Chen, Y. Chen, Y.B. Chen, H.P. Cheng, Y.P. Chu, D. Cronin-Hennessy, H.L. Dai, J.P. Dai, D. Dedovich, Z.Y. Deng, I. Denysenko, M. Destefanis, W.M. Ding, Y. Ding, L.Y. Dong, M.Y. Dong, S.X. Du, J. Fang, S.S. Fang, C.Q. Feng, C.D. Fu, J.L. Fu, Y. Gao, C. Geng, K. Goetzen, W.X. Gong, M. Greco, M.H. Gu, Y.T. Gu, Y.H. Guan, A.Q. Guo, L.B. Guo, Y.P. Guo, Y.L. Han, X.Q. Hao, F.A. Harris, K.L. He, M. He, Z.Y. He, Y.K. Heng, Z.L. Hou, H.M. Hu, J.F. Hu, T. Hu, B. Huang, G.M. Huang, J.S. Huang, X.T. Huang, Y.P. Huang, T. Hussain, C.S. Ji, Q. Ji, X.B. Ji, X.L. Ji, L.K. Jia, L.L. Jiang, X.S. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, S. Jin, F.F. Jing, N. Kalantar-Nayestanaki, M. Kavatsyuk, W. Kuehn, W. Lai, J.S. Lange, J.K.C. Leung, C.H. Li, Cheng Li, Cui Li, D.M. Li, F. Li, G. Li, H.B. Li, J.C. Li, K. Li, Lei Li, N.B. Li, Q.J. Li, S.L. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, X.R. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, G.R. Liao, X.T. Liao, B.J. Liu, C.L. Liu, C.X. Liu, C.Y. Liu, F.H. Liu, Fang Liu, Feng Liu, H. Liu, H.B. Liu, H.H. Liu, H.M. Liu, H.W. Liu, J.P. Liu, K. Liu, K.Y. Liu, Q. Liu, S.B. Liu, X. Liu, X.H. Liu, Y.B. Liu, Yong Liu, Z.A. Liu, Zhiqiang Liu, Zhiqing Liu, H. Loehner, G.R. Lu, H.J. Lu, J.G. Lu, Q.W. Lu, X.R. Lu, Y.P. Lu, C.L. Luo, M.X. Luo, T. Luo, X.L. Luo, M. Lv, C.L. Ma, F.C. Ma, H.L. Ma, Q.M. Ma, S. Ma, T. Ma, X.Y. Ma, M. Maggiora, Q.A. Malik, H. Mao, Y.J. Mao, Z.P. Mao, J.G. Messchendorp, J. Min, T.J. Min, R.E. Mitchell, X.H. Mo, N.Yu. Muchnoi, Y. Nefedov, I.B. Nikolaev, Z. Ning, S.L. Olsen, Q. Ouyang, S.P. Pacetti, J.W. Park, M. Pelizaeus, K. Peters, J.L. Ping, R.G. Ping, R. Poling, C.S.J. Pun, M. Qi, S. Qian, C.F. Qiao, X.S. Qin, Z.H. Qin, J.F. Qiu, K.H. Rashid, G. Rong, X.D. Ruan, A. Sarantsev, J. Schulze, M. Shao, C.P. Shen, X.Y. Shen, H.Y. Sheng, M.R. Shepherd, X.Y. Song, S. Spataro, B. Spruck, D.H. Sun, G.X. Sun, J.F. Sun, S.S. Sun, X.D. Sun, Y.J. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, X. Tang, E.H. Thorndike, H.L. Tian, D. Toth, M.U. Ulrich, G.S. Varner, B. Wang, B.Q. Wang, K. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, Q. Wang, Q.J. Wang, S.G. Wang, X.F. Wang, X.L. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, D.H. Wei, Q.G. Wen, S.P. Wen, M.W. Werner, U. Wiedner, L.H. Wu, N. Wu, W. Wu, Z. Wu, L.G. Xia, Z.J. Xiao, Y.G. Xie, Q.L. Xiu, G.F. Xu, G.M. Xu, H. Xu, Q.J. Xu, X.P. Xu, Y. Xu, Z.R. Xu, F. Xue, Z. Xue, L. Yan, W.B. Yan, Y.H. Yan, H.X. Yang, T. Yang, Y. Yang, Y.X. Yang, H. Ye, M. Ye, M.H. Ye, B.X. Yu, C.X. Yu, S.P. Yu, C.Z. Yuan, W.L. Yuan, Y. Yuan, A.A. Zafar, A.Z. Zallo, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, H.Y. Zhang, J. Zhang, J.Q. Zhang, J.W. Zhang, J.Y. Zhang, J.Z. Zhang, L. Zhang, S.H. Zhang, T.R. Zhang, X.J. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.S. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, H.S. Zhao, Jingwei Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, X.H. Zhao, Y.B. Zhao, Z.G. Zhao, A. Zhemchugov, B. Zheng, J.P. Zheng, Y.H. Zheng, Z.P. Zheng, B. Zhong, J. Zhong, L. Zhou, X.K. Zhou, X.R. Zhou, C. Zhu, K. Zhu, K.J. Zhu, S.H. Zhu, X.L. Zhu, X.W. Zhu, Y.S. Zhu, Z.A. Zhu, J. Zhuang, B.S. Zou, J.H. Zou, and J.X. Zuo
Subjects: Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Analytical chemistry, Dalitz plot, Branching (polymer chemistry), 01 natural sciences, Nuclear physics, 0103 physical sciences, Pi, Mass spectrum, 010306 general physics
Abstract: We study the decays of the J / ψ and ψ ′ mesons to π + π − π 0 using data samples at both resonances collected with the BES III detector in 2009. We measure the corresponding branching fractions with unprecedented precision and provide mass spectra and Dalitz plots. The branching fraction for J / ψ → π + π − π 0 is determined to be ( 2.137 ± 0.004 ( stat. ) − 0.056 + 0.058 ( syst. ) − 0.026 + 0.027 ( norm. ) ) × 10 − 2 , and the branching fraction for ψ ′ → π + π − π 0 is measured as ( 2.14 ± 0.03 ( stat. ) − 0.07 + 0.08 ( syst. ) − 0.08 + 0.09 ( norm. ) ) × 10 − 4 . The J / ψ decay is found to be dominated by an intermediate ρ ( 770 ) state, whereas the ψ ′ decay is dominated by di-pion masses around 2.2 GeV/ c 2 , leading to strikingly different Dalitz distributions.
Published: 2012

22. Facile synthesis of Bi2S3 network nanostructure

Author: Jianfeng Su, C. J. Tang, Y. S. Zhang, Y.X. Yang, Changqing Wang, Q.B. Hu, Chunhe Zang, and C. H. Zhao
Subjects: Emission band, Nanostructure, Chemistry, Nanostructured materials, Perpendicular, Nanowire, Hydrothermal synthesis, General Materials Science, Nanotechnology, General Chemistry, Condensed Matter Physics, Hydrothermal circulation
Abstract: Bi2S3 network nanostructure has been synthesized by a facile hydrothermal method. The networks are composed of cross-linked single crystalline Bi2S3 nanowires growth along [001] direction, and the nanowires form the network are almost perpendicular to each other. The influence factors and formation mechanism of the network were analyzed and discussed. A broad red emission band was observed and was attributed to the complex defects.
Published: 2011

23. A single vacancy diffusion near a Fe (110) surface: A molecular dynamics study

Author: Yanjie Jia, Changqing Wang, Y.X. Yang, and Y. S. Zhang
Subjects: Surface (mathematics), General Computer Science, Condensed matter physics, Chemistry, Diffusion, Many-body theory, General Physics and Astronomy, General Chemistry, Molecular physics, Standard enthalpy of formation, Computational Mathematics, Molecular dynamics, Mechanics of Materials, Vacancy defect, General Materials Science, Layer (electronics), Embedded atom model
Abstract: Both the formation energies, the intra-layer and inter-layer diffuse migration energies of a single vacancy in the first nine layers of the Fe (1 1 0) surface have been calculated by means of molecular dynamics in conjunction with the many-body potential of the embedded-atom method (EAM). The results show that the effect of the surface is only down to the fourth layer for the formation energy of a single vacancy. However, the surface presence affects the migration energy down to the seventh layer. It is easier for a vacancy in the first layer to form and to migrate than in the other layers and the bulk. For the inter-layer migration, a vacancy in each of the first six layers is favorable to migrate into the corresponding upper layer, especially for the first three layers.
Published: 2010

24. Controlled synthesis of urchin-like Bi2S3 via hydrothermal method

Author: Zhengjun Zong, Chunhe Zang, C. J. Tang, Y. S. Zhang, Fengjian Su, Y.X. Yang, and Changqing Wang
Subjects: Materials science, Scanning electron microscope, Inorganic chemistry, Nanowire, General Chemistry, Condensed Matter Physics, symbols.namesake, Crystallography, Electron diffraction, Transmission electron microscopy, symbols, Hydrothermal synthesis, General Materials Science, Nanorod, Selected area diffraction, Raman spectroscopy
Abstract: The urchin-like Bi 2 S 3 nanostructures have been grown by a facile environmentally friendly hydrothermal method. X-ray diffraction (XRD) and Raman spectrum demonstrate that the obtained samples are composed of pure orthorhombic phase Bi 2 S 3 . Scanning electron microscopy (SEM) images and transmission electron microscopy (TEM) images reveal that it is produced as uniform urchin-like pattern with spherical symmetry. High-resolution (HR) TEM and selected-area electron diffraction (SAED) demonstrate that the nanowires which grow radially from the center of the urchin-like nanostructures toward all directions are single-crystalline and grow along the [001]. It is found that the reaction time, reaction temperature and thiourea (Tu) play key roles for the formation of urchin-like Bi 2 S 3 nanostructures. The formation mechanism is ascribed to self-assembly and the intrinsic splitting character of the Bi 2 S 3 structure. The urchin-like Bi 2 S 3 composed of porous nanorods, solid nanorods and nanowires could be found potential application in optical, catalysts and sensor devices.
Published: 2010

25. Direct measurements of the cross sections for e+e−→hadrons|non-DD¯ in the range from 3.65 to 3.87 GeV and the branching fraction for ψ(3770)→non-DD¯

Author: M. Ablikim, J.Z. Bai, Y. Ban, X. Cai, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Y.B. Chen, Y.P. Chu, Y.S. Dai, L.Y. Diao, Z.Y. Deng, Q.F. Dong, S.X. Du, J. Fang, S.S. Fang, C.D. Fu, C.S. Gao, Y.N. Gao, S.D. Gu, Y.T. Gu, Y.N. Guo, K.L. He, M. He, Y.K. Heng, J. Hou, H.M. Hu, J.H. Hu, T. Hu, G.S. Huang, X.T. Huang, X.B. Ji, X.S. Jiang, X.Y. Jiang, J.B. Jiao, D.P. Jin, S. Jin, Y.F. Lai, G. Li, H.B. Li, J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Y.F. Liang, H.B. Liao, B.J. Liu, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, Q. Liu, R.G. Liu, Z.A. Liu, Y.C. Lou, F. Lu, G.R. Lu, J.G. Lu, C.L. Luo, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, Z.P. Mao, X.H. Mo, J. Nie, R.G. Ping, N.D. Qi, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, X.D. Ruan, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, H.S. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, G.L. Tong, D.Y. Wang, L. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zheng Wang, C.L. Wei, D.H. Wei, Y. Weng, N. Wu, X.M. Xia, X.X. Xie, G.F. Xu, X.P. Xu, Y. Xu, M.L. Yan, H.X. Yang, Y.X. Yang, M.H. Ye, Y.X. Ye, G.W. Yu, C.Z. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Q. Zhang, H.Y. Zhang, J.W. Zhang, J.Y. Zhang, S.H. Zhang, X.Y. Zhang, Yiyun Zhang, Z.X. Zhang, Z.P. Zhang, D.X. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, H.Q. Zheng, J.P. Zheng, Z.P. Zheng, L. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Branching fraction, Electron–positron annihilation, Hadron
Abstract: By tagging the largest energy of the assumed kaon in the final states of e + e − → hadrons , we measured the cross sections for e + e − → hadrons | non- D D ¯ in the range from 3.65 to 3.87 GeV. Analyzing these cross sections yields the branching fraction for the decay ψ ( 3770 ) → non- D D ¯ to be BF [ ψ ( 3770 ) → non- D D ¯ ] = ( 15.1 ± 5.6 ± 1.8 ) % , and the observed non- D D ¯ and D D ¯ cross sections to be σ had-non- D D ¯ obs = ( 1.08 ± 0.40 ± 0.15 ) nb and σ D D ¯ obs = ( 6.07 ± 0.40 ± 0.35 ) nb , respectively, at the center-of-mass energy E cm = 3.7724 GeV .
Published: 2008

26. Production of σ in ψ(2S)→π+π−J/ψ

Author: M. Ablikim, J.Z. Bai, Y. Ban, X. Cai, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, Y.S. Dai, L.Y. Diao, Z.Y. Deng, Q.F. Dong, S.X. Du, J. Fang, S.S. Fang, C.D. Fu, C.S. Gao, Y.N. Gao, S.D. Gu, Y.T. Gu, Y.N. Guo, Y.Q. Guo, Z.J. Guo, F.A. Harris, K.L. He, M. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, X.T. Huang, X.B. Ji, X.S. Jiang, X.Y. Jiang, J.B. Jiao, D.P. Jin, S. Jin, Yi Jin, Y.F. Lai, G. Li, H.B. Li, H.H. Li, J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Y.L. Li, Y.F. Liang, H.B. Liao, B.J. Liu, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, Q. Liu, R.G. Liu, Z.A. Liu, Y.C. Lou, F. Lu, G.R. Lu, J.G. Lu, C.L. Luo, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, X.B. Ma, Z.P. Mao, X.H. Mo, J. Nie, S.L. Olsen, H.P. Peng, R.G. Ping, N.D. Qi, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, C.P. Shen, D.L. Shen, X.Y. Shen, H.Y. Sheng, H.S. Sun, J.F. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, Z.Q. Tan, X. Tang, G.L. Tong, G.S. Varner, D.Y. Wang, L. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zhe Wang, Zheng Wang, C.L. Wei, D.H. Wei, N. Wu, X.M. Xia, X.X. Xie, G.F. Xu, X.P. Xu, Y. Xu, M.L. Yan, H.X. Yang, Y.X. Yang, M.H. Ye, Y.X. Ye, Z.Y. Yi, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, Yu Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Q. Zhang, H.Y. Zhang, J.W. Zhang, J.Y. Zhang, S.H. Zhang, X.M. Zhang, X.Y. Zhang, Yiyun Zhang, Z.P. Zhang, D.X. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, Z.P. Zheng, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, Electron–positron annihilation, Mass spectrum, Pi, Sigma, Resonance, High Energy Physics::Experiment, Production (computer science), Helicity
Abstract: Using 14M psi(2S) events accumulated by BESII at the BEPC, a covariant helicity amplitude analysis is performed for psi(2S) -> pi(+)pi(-)J/psi, J/psi -> mu(+)mu(-). The pi(+)pi(-) mass spectrum, distinctly different from phase space, suggests or production in this process. Two different theoretical schemes are used in the global fit to the data. The results are consistent with the existence of the sigma. The sigma pole position is determined to be (552(-106)(+84) -i(232(-72)(+81)) MeV/c(2). (c) 2006 Elsevier B.V. All rights reserved.
Published: 2007

27. Measurements of branching fractions for inclusive K¯0/K0 and K∗(892)∓ decays of neutral and charged D mesons

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, X. Cai, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, Y.S. Dai, L.Y. Diao, Z.Y. Deng, Q.F. Dong, S.X. Du, J. Fang, S.S. Fang, C.D. Fu, C.S. Gao, Y.N. Gao, S.D. Gu, Y.T. Gu, Y.N. Guo, Y.Q. Guo, K.L. He, M. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, X.T. Huang, X.B. Ji, X.S. Jiang, X.Y. Jiang, J.B. Jiao, D.P. Jin, S. Jin, Yi Jin, Y.F. Lai, G. Li, H.B. Li, H.H. Li, J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.N. Li, X.Q. Li, Y.L. Li, Y.F. Liang, H.B. Liao, B.J. Liu, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, Q. Liu, R.G. Liu, Z.A. Liu, Y.C. Lou, F. Lu, G.R. Lu, J.G. Lu, C.L. Luo, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, X.B. Ma, Z.P. Mao, X.H. Mo, J. Nie, H.P. Peng, R.G. Ping, N.D. Qi, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, C.P. Shen, D.L. Shen, X.Y. Shen, H.Y. Sheng, H.S. Sun, J.F. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, Z.Q. Tan, X. Tang, G.L. Tong, D.Y. Wang, L. Wang, L.L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zhe Wang, Zheng Wang, C.L. Wei, D.H. Wei, N. Wu, X.M. Xia, X.X. Xie, G.F. Xu, X.P. Xu, Y. Xu, M.L. Yan, H.X. Yang, Y.X. Yang, M.H. Ye, Y.X. Ye, Z.Y. Yi, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, Yu Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Q. Zhang, H.Y. Zhang, J.W. Zhang, J.Y. Zhang, S.H. Zhang, X.M. Zhang, X.Y. Zhang, Yiyun Zhang, Z.P. Zhang, D.X. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, Z.P. Zheng, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Meson, Analytical chemistry, Branching (polymer chemistry)
Abstract: Using the data sample of about 33 pb(-1) collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we have studied inclusive (K) over bar (0)/K-0 and K*(892) -/+ decays of D-0 and D+ mesons. The branching fractions for the inclusive (K) over bar (0)/K-0 and K*(892)(-) decays are measured to be BF(D-0, (K) over bar (0)/(KX)-X-0) = (47.6 +/- 14.8 +/- 3.0)%, BF(D-0 -> (KX)-X-0) = (60.5 +/- 15.5 +/- 3.3)%, BF(D-0, K*X-) = (15.3 +/- 8.3 +/- 1.9)% and BF(D+ -> K*X-) = (5.7 +/- 5.2 +/- 0.7)%. The upper limits of the branching fractions for the inclusive K*(892)(+) decays are set to be BF(D-0 -> K*+X) K*X+) < 20.3% at 90% confidence level. (c) 2006 Elsevier B.V. All rights reserved.
Published: 2006

28. Measurements of the cross sections for e+e−→hadrons at 3.650, 3.6648, 3.773 GeV and the branching fraction for ψ(3770)→non-DD¯

Author: N. Wu, Q. M. Zhu, H. Y. Zhang, Haiwen Liu, H. S. Chen, Z. Y. Yi, Xingzhu Cui, J. Y. Zhang, W. R. Zhao, M. Z. Wang, Yiyun Zhang, S. S. Sun, F. Liu, L. Y. Dong, H. S. Sun, Y. X. Ye, Yang Tian, Y. K. Heng, X. Q. Li, Xingtao Huang, Feng Shi, Haiping Peng, J. H. Liu, Y. F. Liang, D. P. Jin, D. X. Zhao, B. Y. Zhang, Xunchao Zhang, Hangxu Li, H. Qin, L. P. Zhou, Yin Xu, S. X. Du, M. L. Yan, F. Lu, H. L. Ma, Z. P. Mao, S. M. Li, Y. Q. Guo, Fan Yang, F. C. Ma, J. G. Lu, Y.X. Yang, Y. B. Chen, J. Nie, M. He, Zujian Wang, L. S. Wang, D. H. Zhang, M. G. Zhao, D. L. Shen, T. Hu, XZ（蔡翔舟） Cai, Y. S. Dai, Yi Jin, Y.N. Gao, Zheng Wang, X. B. Ma, Xuai Zhuang, Y. N. Guo, R. Y. Li, H. M. Hu, X. Y. Shen, J. W. Zhao, G. W. Yu, X. Shi, J. F. Qiu, X. S. Jiang, Zhenyu Zhang, C. S. Gao, Jinxing Zheng, Y. F. Lai, H. F. Chen, W. F. Wang, S. D. Gu, Lianyou Shan, Cunfeng Wei, Q. F. Dong, K. L. He, Jianbin Jiao, X. H. Mo, M. H. Ye, Ning Zhou, C. Z. Yuan, Y. Z. Sun, Zhe Wang, Yingchun Zhu, J. C. Chen, J. W. Zhang, X. Tang, Xuan Zhang, Qiyang Zhang, Y. T. Gu, C. X. Liu, J. Fang, Q. M. Ma, W. G. Li, P. Wang, D. Y. Wang, Bo Xin, D. H. Wei, Fang Liu, Z. J. Sun, J. P. Liu, J. G. Bian, S. L. Zang, W. D. Li, B. X. Zhang, Y. C. Zhu, Z. P. Zheng, H. X. Yang, G. F. Xu, S. Jin, H.Q. Zheng, B.S. Zou, Y. Yuan, Y. S. Zhu, Z. Y. Ren, P. P. Zhao, H. H. Liu, Z.Q. Zhang, J. C. Li, P. L. Wang, H.B. Liao, Xiru Huang, G. L. Tong, B. A. Zhuang, M. Ablikim, G. Rong, Jianwei Sun, X. M. Xia, Y. Zeng, H. B. Li, C. L. Luo, Houbing Lu, C. C. Zhang, Y. P. Chu, X. B. Ji, Y.L. Li, Shang Lunlin, G. Li, X.L. Li, C. D. Fu, Z. Y. Deng, Gongru Lu, S. P. Chi, K. J. Zhu, J. M. Yuan, Z. Y. Wang, Yu Zeng, X. X. Xie, Jin Chen, S. S. Fang, H. Y. Sheng, Z. Q. Tan, N. D. Qi, Z. Z. Du, L. L. Ma, Z. A. Liu, Y. Ban, J. Z. Bai, R. G. Liu, J. B. Liu, J. Yang, Yudan Wang, and Z. A. Zhu
Subjects: Physics, Nuclear and High Energy Physics, Branching fraction, Electron–positron annihilation, Hadron, Analytical chemistry
Abstract: Using the BES-II detector at the BEPC Collider, we measured the lowest order cross sections and the R values (R = sigma(0)(e+e--> hadrons)/sigma(0)(e+e-->mu+mu-)) for inclusive hadronic event production at the centre-of-mass energies of 3.650, 3.6648 and 3.773 GeV. The results lead to R-uds = 2.218 +/- 0.019 +/- 0.089 which is the average of these measured at 3.650 GeV and 3.6648 GeV, and R = 3.746 +/- 0.037 +/- 0.187 at root s = 3.773 GeV. We determined the lowest order cross section for psi (3770) production to be sigma(B)(psi)((3770)) = (9.323 +/- 0.253 +/- 0.801) nb at 3.773 GeV, the branching fractions for psi (3770) decays to be BF(psi (3770) -> D-0(D) over bar (0)) = (49.5 +/- 1.3 +/- 3.8)%, BF(psi (3770) -> D+D-) = (35.7 +/- 1.1 +/- 3.4)% and BF(psi (3770) -> D (D) over bar) = (85.5 +/- 1.7 +/- 5.8)%, which result in the total non-D (D) over bar branching fraction of psi(3770) decay to be BF(psi (3770) -> non-D (D) over bar) = (14.5 +/- 1.7 +/- 5.8)%. (c) 2006 Elsevier B.V. All rights reserved.
Published: 2006

29. Evidence for κ meson production in J/ψ→K¯∗(892)0K+π− process

Author: Kunio Takamatsu, Jin Chen, S. S. Fang, F. C. Ma, Zheng Wang, H. B. Li, X. X. Xie, Yingchun Zhu, C. L. Luo, Zhenyu Zhang, J. G. Lu, Houbing Lu, X. Q. Li, I. Yamauchi, R. Y. Li, J. F. Qiu, C. C. Zhang, H. L. Ma, S. M. Li, Fan Yang, T. Hu, Shin-ichi Kurokawa, X. M. Xia, Z. Z. Du, Gongru Lu, XZ（蔡翔舟） Cai, Y. T. Gu, Bo Xin, L. P. Zhou, Z.Q. Zhang, Q. M. Ma, Yudan Wang, Z. Y. Yi, J. C. Chen, Z. P. Mao, W. D. Li, J. P. Liu, Cunfeng Wei, S. P. Chi, Y. Yuan, Y. S. Zhu, Z. Y. Wang, Muneyuki Ishida, Q. F. Dong, X. Tang, Xuan Zhang, K. Ukai, Ning Zhou, Xingtao Huang, Lianyou Shan, H. S. Chen, Y. Z. Sun, H. H. Liu, J. C. Li, Toshihiko Komada, D. H. Wei, Z. A. Zhu, Y. C. Zhu, H. Qin, T. Matsuda, J. Fang, B. X. Zhang, Xingzhu Cui, J. G. Bian, Zujian Wang, P. L. Wang, J. W. Zhang, H. X. Yang, J. H. Liu, L. L. Ma, Xunchao Zhang, Z. P. Zheng, J. W. Zhao, Z. A. Liu, G. W. Yu, S. L. Zang, M. He, J. Nie, X. H. Mo, W. R. Zhao, K. J. Zhu, J. M. Yuan, F. A. Harris, L. S. Wang, H. M. Hu, F. Liu, D. L. Shen, Feng Shi, M. H. Ye, Y. Ban, Xiru Huang, S. S. Sun, G. L. Tong, B. A. Zhuang, Y. Zeng, M. G. Zhao, C. X. Liu, Y.L. Li, Jianwei Sun, F. Lu, Yu Zeng, Y. S. Dai, Z.J. Guo, J. Z. Bai, H. Y. Zhang, Haiwen Liu, C. S. Gao, Jinxing Zheng, Z. G. Zhao, G. S. Huang, H.B. Liao, X. B. Ma, Xuai Zhuang, X. Y. Shen, Shang Lunlin, J. Y. Zhang, Fang Liu, K. Yamada, P. P. Zhao, G. F. Xu, Z. J. Sun, Y. N. Guo, S. Jin, Shin Ishida, Tsuneaki Tsuru, Q. M. Zhu, H. Y. Sheng, Z. Y. Ren, Y. K. Heng, Z. Q. Tan, Zhe Wang, Qiyang Zhang, G. Li, Yang Tian, K. L. He, P. Wang, M. Z. Wang, Y. F. Liang, N. D. Qi, M. Ablikim, D. X. Zhao, S. X. Du, D. P. Jin, B. Y. Zhang, G. Rong, Hangxu Li, M. L. Yan, X.L. Li, W. G. Li, H. S. Sun, C. D. Fu, Haiping Peng, Yin Xu, D. H. Zhang, D. Y. Wang, X. Shi, Yi Jin, Y.N. Gao, Z. Y. Deng, J. Yang, H.Q. Zheng, R. G. Liu, J. B. Liu, Y. P. Chu, X. B. Ji, N. Wu, Yiyun Zhang, Y. X. Ye, Y. Q. Guo, X. S. Jiang, Y.X. Yang, Y. B. Chen, Y. F. Lai, H. F. Chen, W. F. Wang, Jianbin Jiao, and S. D. Gu
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Meson production, Electron–positron annihilation, Partial wave analysis, Phase space, Scalar (mathematics), Analytical chemistry, Invariant mass, Low Mass
Abstract: Based on 58 million BESII J / ψ events, the K ¯ ∗ ( 892 ) 0 K + π − channel in K + K − π + π − is studied. A clear low mass enhancement in the invariant mass spectrum of K + π − is observed. The low mass enhancement does not come from background of other J / ψ decay channels, nor from phase space. Two independent partial wave analyses have been performed. Both analyses favor that the low mass enhancement is the κ , an iso-spinor scalar resonant state. The average mass and width of the κ in the two analyses are 878 ± 23 −55 +64 MeV / c 2 and 499 ± 52 −87 +55 MeV / c 2 , respectively, corresponding to a pole at ( 841 ± 30 −73 +81 ) − i ( 309 ± 45 −72 +48 ) MeV / c 2 .
Published: 2006

30. Measurement of the cross section for e+e−→pp¯ at center-of-mass energies from 2.0 to 3.07 GeV

Author: H. Y. Zhang, Haiwen Liu, G. S. Huang, L. P. Zhou, Z. P. Mao, J. Y. Zhang, X. Q. Li, Xingzhu Cui, Yiyun Zhang, Z. G. Zhao, Gongru Lu, Y. X. Ye, Y. K. Heng, H. Qin, Jin Chen, Yu Zeng, S. S. Sun, S. P. Chi, Fang Liu, Z. J. Sun, H. S. Chen, H. Y. Sheng, Z. Q. Tan, F. C. Ma, Feng Shi, S. S. Fang, N. D. Qi, S. L. Zang, K. J. Zhu, J. M. Yuan, Q. M. Zhu, Z. Z. Du, H. L. Ma, S. M. Li, Xunchao Zhang, S.L. Olsen, Y.L. Li, Y. Q. Guo, H. M. Hu, Z.J. Guo, Y.X. Yang, X. S. Jiang, F. Yang, Shang Lunlin, W. G. Li, J. F. Qiu, M. Z. Wang, Y. B. Chen, L. S. Wang, S. D. Gu, W. R. Zhao, D. Y. Wang, M. G. Zhao, G. Li, F. Liu, H. S. Sun, X.L. Li, H.B. Liao, Qiyang Zhang, Y. F. Lai, L. L. Ma, H. B. Li, Z. A. Liu, R. Y. Li, Yingchun Zhu, J. W. Zhao, X. B. Ma, Xuai Zhuang, C. D. Fu, W. F. Wang, Haiping Peng, P. Wang, G. W. Yu, K. L. He, C. L. Luo, Y. Ban, Z. Y. Deng, C. C. Zhang, X. Y. Shen, Cunfeng Wei, X. Shi, Zheng Wang, Q. F. Dong, Ning Zhou, Z. Y. Yi, J. W. Zhang, G. S. Varner, Zhenyu Zhang, J. Z. Bai, D. X. Zhao, B. Y. Zhang, Hangxu Li, Jianbin Jiao, J. P. Liu, J. G. Bian, X. Tang, Xuan Zhang, Y. Z. Sun, Y. C. Zhu, F. Lu, Z. Y. Wang, H. H. Liu, J. C. Li, Yudan Wang, G. F. Xu, J. C. Chen, J. Yang, P. L. Wang, J. H. Liu, H.Q. Zheng, Y. P. Chu, X. B. Ji, B. X. Zhang, J. Fang, S. Jin, Z. P. Zheng, J. Nie, Bo Xin, Yin Xu, N. Wu, F. A. Harris, Y.R. Tian, Y. S. Dai, Y. F. Liang, Xiru Huang, D. P. Jin, W. D. Li, C. S. Gao, H. X. Yang, Jinxing Zheng, Yi Jin, G. L. Tong, Y. Zeng, B. A. Zhuang, Y.N. Gao, R. G. Liu, D. H. Zhang, J. B. Liu, Jianwei Sun, Hao-Ze Chen, Z. Y. Ren, P. P. Zhao, C. Z. Yuan, Zhe Wang, Q. M. Ma, M. Ablikim, G. Rong, X. X. Xie, B.S. Zou, H. J. Lu, J. G. Lu, Y. Yuan, Y. S. Zhu, Xingtao Huang, T. Hu, XZ（蔡翔舟） Cai, Lianyou Shan, M. He, D. L. Shen, C. X. Liu, Z.Q. Zhang, X. M. Xia, S. X. Du, M. L. Yan, Z. A. Zhu, Y. N. Guo, X. H. Mo, M. H. Ye, L. Y. Dong, Zujian Wang, Y. T. Gu, and D. H. Wei
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Cross section (physics), Proton, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Center of mass, 010306 general physics, 01 natural sciences, Bar (unit)
Abstract: Cross sections for e(+)e(-) -> p (p) over bar have been measured at 10 center-of-mass energies from 2.0 to 3.07 GeV by the BESII experiment at the BEPC, and proton electromagnetic form factors in the time-like region have been determined. (c) 2005 Elsevier B.V. All rights reserved.
Published: 2005

31. First observation of χcJ→ωω decays

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, X. Cai, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, Y.S. Dai, Z.Y. Deng, L.Y. Dong, Q.F. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, C.S. Gao, Y.N. Gao, S.D. Gu, Y.T. Gu, Y.N. Guo, Y.Q. Guo, Z.J. Guo, F.A. Harris, K.L. He, M. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, X.P. Huang, X.T. Huang, X.B. Ji, X.S. Jiang, J.B. Jiao, D.P. Jin, S. Jin, Yi Jin, Y.F. Lai, G. Li, H.B. Li, H.H. Li, J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.Q. Li, Y.L. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, F. Lu, G.R. Lu, H.J. Lu, J.G. Lu, C.L. Luo, F.C. Ma, H.L. Ma, L.L. Ma, Q.M. Ma, X.B. Ma, Z.P. Mao, X.H. Mo, J. Nie, S.L. Olsen, H.P. Peng, N.D. Qi, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, J.F. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, Z.Q. Tan, X. Tang, Y.R. Tian, G.L. Tong, G.S. Varner, D.Y. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zhe Wang, Zheng Wang, C.L. Wei, D.H. Wei, N. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, Y. Xu, M.L. Yan, F. Yang, H.X. Yang, J. Yang, Y.X. Yang, M.H. Ye, Y.X. Ye, Z.Y. Yi, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, Yu Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J.W. Zhang, J.Y. Zhang, Q.J. Zhang, X.M. Zhang, X.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, H.Q. Zheng, Z.G. Zhao, J.P. Zheng, Z.P. Zheng, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Omega
Abstract: Decays of $\chi_{c0,2}\ar\ww$ are observed for the first time using a sample of $14.0\times 10^6$ $\psi(2S)$ events collected with the BESII detector. The branching ratios are determined to be ${\cal B}(\chi_{c0}\ar \ww)=(2.29\pm 0.58\pm 0.41)\times 10^{-3}$ and ${\cal B}(\chi_{c2}\ar\ww)=(1.77\pm 0.47\pm 0.36)\times 10^{-3}$, where the first errors are statistical and the second systematic. The significances of the two signals are $4.4\sigma$ and $4.7\sigma$, respectively.
Published: 2005

32. Measurements of Cabibbo-suppressed hadronic decay fractions of charmed D0 and D+ mesons

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Jun Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, Q.F. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, C.S. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, X.P. Huang, X.T. Huang, X.B. Ji, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Yi Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.Q. Li, Y.L. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, Z.X. Liu, F. Lu, G.R. Lu, H.J. Lu, J.G. Lu, C.L. Luo, L.X. Luo, X.L. Luo, F.C. Ma, H.L. Ma, J.M. Ma, L.L. Ma, Q.M. Ma, X.B. Ma, X.Y. Ma, Z.P. Mao, X.H. Mo, J. Nie, Z.D. Nie, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, J.F. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, D.Y. Wang, J.Z. Wang, K. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zhe Wang, Zheng Wang, C.L. Wei, D.H. Wei, N. Wu, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, S.T. Xue, M.L. Yan, F. Yang, H.X. Yang, J. Yang, Y.X. Yang, M. Ye, M.H. Ye, Y.X. Ye, L.H. Yi, Z.Y. Yi, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, Yu Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.W. Zhang, J.Y. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Y.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Hadronic decay, Physics, Nuclear and High Energy Physics, Particle physics, Meson, Branching fraction, Electron–positron annihilation, Hadron, law.invention, Nuclear physics, Positron, law, Pi, Collider
Abstract: Using data collected with the BESII detector at Beijing Electron-Positron Collider, the measurements of relative branchin- fractions for seven Cabibbo-suppressed hadronic weak decays D-0 -> K-K+, pi-pi(+), pi(-)pi(+)pi(-) and pi-pi(+)pi(-), D-divided by -> (K) over bar K-0(divided by), K-K+pi(+) and pi(-),pi(+pi+) are presented. (c) 2005 Elsevier B.V. All rights reserved.
Published: 2005

33. Partial wave analysis of ψ′→π+π−π0 at BESII

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Jun Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, C.S. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, Z.J. Guo, F.A. Harris, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, L. Huang, X.P. Huang, X.B. Ji, Q.Y. Jia, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.B. Li, R.Y. Li, S.M. Li, W.G. Li, X.L. Li, X.Q. Li, X.S. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.M. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, Z.X. Liu, F. Lu, G.R. Lu, J.G. Lu, C.L. Luo, X.L. Luo, F.C. Ma, J.M. Ma, L.L. Ma, Q.M. Ma, X.Y. Ma, Z.P. Mao, X.H. Mo, J. Nie, Z.D. Nie, S.L. Olsen, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, G.S. Varner, D.Y. Wang, J.Z. Wang, K. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Zhe Wang, Z. Wang, Zheng Wang, Z.Y. Wang, C.L. Wei, D.H. Wei, N. Wu, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, Y. Xu, S.T. Xue, M.L. Yan, F. Yang, H.X. Yang, J. Yang, S.D. Yang, Y.X. Yang, M. Ye, M.H. Ye, Y.X. Ye, L.H. Yi, Z.Y. Yi, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, Q. Yue, S.L. Zang, Yu Zeng, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.Y. Zhang, J.W. Zhang, L.S. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Y.J. Zhang, Y.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, and B.S. Zou
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Amplitude, Branching fraction, Partial wave analysis, Electron–positron annihilation, Hadron, Pi, Analytical chemistry, Resonance, Helicity
Abstract: The decay psi' + pi(+)pi(-)pi(0) is analyzed using a sample of 14 million psi' events taken with the BESII detector at the BEPC, and the branching fraction is measured to be B(psi' -> pi(+)pi(-)pi(0)) = (18.1 +/- 1.8 +/- 1.9) x 10(-5). A partial wave analysis is carried out using the helicity amplitude method. psi' -> rho(770)pi is observed, and the branching fraction is measured to be B(psi' -> rho(770)pi) = (5.1 +/- 0.7 +/- 1.1) x 10(-5), where the first error is statistical and the second one is systematic. A high mass enhancement with mass around 2.15 GeV/c(2) is also observed. Attributing this enhancement to the p(2150) resonance, the branching fraction is measured to be B(psi' -> rho(2150)pi -> pi(+)pi(-)pi(0)) = (19.4 +/- 2.5(-3.4)(+11.5)) x 10(-5). The results will help in the understanding of the longstanding "rho pi puzzle" between J/psi and psi' hadronic decays. (c) 2005 Elsevier B.V. All rights reserved.
Published: 2005

34. Measurements of J/ψ decays into 2(π+π−)η and 3(π+π−)η

Author: C. L. Luo, Houbing Lu, Nongjian Tao, C. C. Zhang, J. W. Zhao, W. R. Zhao, F. Liu, G. W. Yu, Xingzhu Cui, S. Z. Wang, X. H. Mo, L. S. Wang, M. H. Ye, H. X. Yang, H.S. Xu, Qiyang Zhang, S. S. Sun, G. F. Xu, Z. G. Zhao, Fang Liu, Z. J. Sun, Feng Shi, S. Jin, L. X. Luo, Y.R. Tian, J. G. Bian, H. H. Liu, P. Wang, J. C. Li, J. F. Chang, N. Wu, S. Q. Zhang, Jin Chen, X. Q. Li, H. M. Hu, L. Y. Dong, M. L. Chen, Z. Y. Ren, Y. Zeng, Guangzhao Zhou, Y. Z. Sun, S. S. Fang, Xunchao Zhang, Bo Xin, H. Y. Sheng, R. G. Liu, Q. M. Ma, J. B. Liu, Yiyun Zhang, H. Qin, S. D. Gu, H. S. Chen, W. D. Li, Z. Y. Yi, N. D. Qi, Yingchun Zhu, Gongru Lu, F. Lu, Xingtao Huang, J. B. Zhao, Y. X. Ye, Y. M. Wu, L. L. Ma, Jun-Bing Ma, Z. A. Liu, W. G. Li, G. S. Varner, J. G. Lu, X. S. Jiang, Q. J. Li, X. Y. Ma, W. X. Gong, X. Y. Shen, Yu Zeng, B. X. Zhang, Y. Ban, Y. Yuan, Y. S. Zhu, D. H. Wei, Jun Chen, P. P. Zhao, S. P. Chi, Z.J. Guo, X. Shi, T. Hu, XZ（蔡翔舟） Cai, M. He, D. L. Shen, Yudan Wang, M. G. Zhao, S. T. Xue, J. Z. Bai, D. Y. Wang, C. X. Liu, C. Z. Yuan, Z. Z. Du, Zhe Wang, R. Y. Li, Z. A. Zhu, L. H. Yi, H. Y. Zhang, D. X. Zhao, B. Y. Zhang, Hangxu Li, Haiwen Liu, Jiemin Li, M. Ablikim, G. Rong, Z. X. Liu, K. J. Zhu, Cunfeng Wei, H. L. Ma, Lianyou Shan, S. M. Li, G. S. Huang, Q. F. Dong, Ning Zhou, X. X. Xie, J. M. Yuan, J. Y. Zhang, X. C. Zhong, J. W. Zhang, Bing Zhou, Z. Y. Wang, J. Yang, K. L. He, Y.L. Li, Y. K. Heng, Y. Y. Zhang, Zheng Wang, X. M. Xia, Zhenyu Zhang, X. L. Luo, Zujian Wang, Z. P. Zheng, Shang Lunlin, Yi Jin, Y.N. Gao, J. C. Chen, H. Y. Fu, Jiang Changhui, J. Fang, C. D. Qian, G. Li, L. S. Zheng, Y. Jin, Xiru Huang, X.L. Li, G. L. Tong, B. A. Zhuang, Y. Q. Guo, C. D. Fu, Jianwei Sun, Y.X. Yang, Y. B. Chen, Z. Y. Deng, B.S. Zou, Y. F. Lai, H. F. Chen, W. F. Wang, Z.Q. Zhang, Y. B. Zhao, X. J. Zhao, X. Tang, Xuan Zhang, Y. P. Chu, X. B. Ji, F. C. Ma, J. F. Qiu, Y. C. Zhu, M. Y. Gong, P. L. Wang, F. A. Harris, Juan Zhang, Y. N. Guo, S. X. Du, M. L. Yan, X. H. He, H.Q. Zheng, Q. M. Zhu, Kelin Wang, Z. D. Nie, M. Z. Wang, J. Z. Wang, Y. F. Liang, D. P. Jin, D. H. Zhang, C. S. Yu, H. S. Sun, Haiping Peng, L. P. Zhou, Z. P. Mao, F. Y. Li, J. P. Liu, S. L. Zang, H. L. Dai, S.L. Olsen, J. H. Liu, H.B. Liao, X. B. Ma, Xuai Zhuang, J. Nie, Y. S. Dai, C. S. Gao, Jinxing Zheng, and F. Yang
Subjects: Physics, Nuclear and High Energy Physics, Nuclear magnetic resonance, Branching fraction, Pi, Analytical chemistry, Branching (polymer chemistry)
Abstract: Based on a sample of 5.8 x 10(7) J/psi events taken with the BESII detector, the branching fractions of J/psi -> 2(pi(+)pi(-))eta and J/psi -> 3(pi(+)pi(-))eta are measured for the first time to be (2.26 +/- 0.08 +/- 0.27) x 10(-3) and (7.24 +/- 0.96 +/- 1.11) x 10(-4), respectively. (c) 2005 Elsevier B.V. All rights reserved.
Published: 2005

35. Study of micro-phase separation of two polystyrene-based copolymer mixture using the combination of PALS and FT-IR

Author: Y.X. Yang, Yan-Jun Huang, Yuanfu Hsia, H.B. Huang, Xiqun Jiang, and Zhong-Ying Jiang
Subjects: Nuclear and High Energy Physics, Materials science, Intermolecular force, technology, industry, and agriculture, SMA, Miscibility, chemistry.chemical_compound, Differential scanning calorimetry, chemistry, Chemical engineering, Polymer chemistry, Copolymer, Polystyrene, Polymer blend, Fourier transform infrared spectroscopy, Instrumentation
Abstract: Positron annihilation lifetime (PAL) spectroscopy, Fourier transform infrared (FT-IR) and differential scanning calorimetry (DSC) have been applied to study the micro-phase separation in the blends of poly(styrene-co-methylmethacrylate) (SMMA) copolymer and poly(styrene-co-maleic anhydride) (SMA) copolymer. The DSC results indicate that the SMA/SMMA blends are miscible and weak intermolecular interactions exist between SMA and SMMA. The strength of intermolecular interactions to some degree exhibits somewhat non-monotonic variation with increasing of SMA component in the blends. The results of PAL measurement present the blend containing 20 wt% SMA is phase-separated in molecular level, which is interpreted by the results of FT-IR analysis. It was concluded that it is helpful to study the miscibility of polymer blends in molecular level by means of PAL method, accompanied with the requisite measurement of DSC and FT-IR.
Published: 2005

36. Resonances in and

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, D.V. Bugg, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Jun Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, Q.F. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, C.S. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, Z.J. Guo, F.A. Harris, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, X.P. Huang, X.T. Huang, X.B. Ji, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Yi Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.Q. Li, Y.L. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, Z.X. Liu, F. Lu, G.R. Lu, H.J. Lu, J.G. Lu, C.L. Luo, L.X. Luo, X.L. Luo, F.C. Ma, H.L. Ma, J.M. Ma, L.L. Ma, Q.M. Ma, X.B. Ma, X.Y. Ma, Z.P. Mao, X.H. Mo, J. Nie, Z.D. Nie, S.L. Olsen, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, J.F. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, G.S. Varner, D.Y. Wang, J.Z. Wang, K. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zhe Wang, Zheng Wang, C.L. Wei, D.H. Wei, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, S.T. Xue, M.L. Yan, F. Yang, H.X. Yang, J. Yang, Y.X. Yang, M. Ye, M.H. Ye, Y.X. Ye, L.H. Yi, Z.Y. Yi, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, Yu Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.W. Zhang, J.Y. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Y.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Meson, Electron–positron annihilation, Partial wave analysis, Mass spectrum, Analytical chemistry, Dalitz plot, State (functional analysis), Scalar meson, Bar (unit)
Abstract: A partial wave analysis is presented of J/psi --> phipi(+)pi(-) and phiK(+)K(-) from a sample of 58M J/psi events in the BES II detector. The f(0)(980) is observed clearly in both sets of data, and parameters of the Flatte formula are determined accurately: M = 965 +/- 8(stat) +/- 6(syst) MeV/c(2), g(1) = 165 +/- 10 +/- 15 MeV/c(2), g(2)/g(1) = 4.21 +/- 0.25 +/- 0.21. The phipipi data also exhibit a strong pipi peak centred at M = 1335 MeV/c(2). It may be fitted with f(2)(1270) and a dominant 0(+) signal made from f(0)(1370) interfering with a smaller f(0)(1500) component. There is evidence that the f(0)(1370) signal is resonant, from interference with f(2)(1270). There is also a state in pipi with M = 1790(-30)(+40) MeV/c(2) and Gamma = 270(-30)(+60) MeV/c(2); spin 0 is preferred over spin 2. This state, f(0)(1790), is distinct from f(0)(1710). The phiK (K) over bar data contain a strong peak due to f(2)'(1525). A shoulder on its upper side may be fitted by interference between f(0)(1500) and f(0)(1710). (C) 2004 Elsevier B.V. All rights reserved.
Published: 2005

37. Study of J/ψ→ωK+K−

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, D.V. Bugg, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Jun Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, Q.F. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, C.S. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, Z.J. Guo, F.A. Harris, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, X.P. Huang, X.T. Huang, X.B. Ji, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Yi Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.Y. Li, S.M. Li, W.D. Li, W.G. Li, X.L. Li, X.Q. Li, Y.L. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.H. Liu, H.M. Liu, J. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, Z.X. Liu, F. Lu, G.R. Lu, H.J. Lu, J.G. Lu, C.L. Luo, L.X. Luo, X.L. Luo, F.C. Ma, H.L. Ma, J.M. Ma, L.L. Ma, Q.M. Ma, X.B. Ma, X.Y. Ma, Z.P. Mao, X.H. Mo, J. Nie, Z.D. Nie, S.L. Olsen, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, J.F. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, G.S. Varner, D.Y. Wang, J.Z. Wang, K. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Z. Wang, Z.Y. Wang, Zhe Wang, Zheng Wang, C.L. Wei, D.H. Wei, N. Wu, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, S.T. Xue, M.L. Yan, F. Yang, H.X. Yang, J. Yang, Y.X. Yang, M. Ye, M.H. Ye, Y.X. Ye, L.H. Yi, Z.Y. Yi, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, S.L. Zang, Y. Zeng, Yu Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.W. Zhang, J.Y. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Y.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, X.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear and High Energy Physics, Nuclear magnetic resonance, Branching fraction, Analytical chemistry, Dalitz plot, Omega, Bar (unit)
Abstract: New data are presented on J/psi --> omegaK(+)K(-) from a sample of 58M J/psi events in the upgraded BES II detector at the BEPC. There is a conspicuous signal for f(0)(1710) --> K+K- and a peak at higher mass which may be fitted with f(2)(2150) --> K (K) over bar. From a combined analysis with omegapi(+)pi(-) data, the branching ratio BR(f(0)(1710) --> pipi)/BR(f(0)(1710) --> K (K) over bar) is < 0.11 at the 95% confidence level. (C) 2004 Elsevier B.V. All rights reserved.
Published: 2004

38. Measurement of cross sections for D0D¯0 and D+D− production in e+e− annihilation at s=3.773 GeV

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Jun Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, C.S. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, L. Huang, X.P. Huang, X.B. Ji, Q.Y. Jia, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.B. Li, R.Y. Li, S.M. Li, W.G. Li, X.L. Li, X.Q. Li, X.S. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.M. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, Z.X. Liu, F. Lu, G.R. Lu, J.G. Lu, C.L. Luo, X.L. Luo, F.C. Ma, J.M. Ma, L.L. Ma, Q.M. Ma, X.Y. Ma, Z.P. Mao, X.H. Mo, J. Nie, Z.D. Nie, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, D.Y. Wang, J.Z. Wang, K. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Zhe Wang, Z. Wang, Zheng Wang, Z.Y. Wang, C.L. Wei, D.H. Wei, N. Wu, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, Y. Xu, S.T. Xue, M.L. Yan, F. Yang, H.X. Yang, J. Yang, S.D. Yang, Y.X. Yang, M. Ye, M.H. Ye, Y.X. Ye, L.H. Yi, Z.Y. Yi, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, Q. Yue, S.L. Zang, Yu. Zeng, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.Y. Zhang, J.W. Zhang, L.S. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Y.J. Zhang, Y.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Cross section (physics), Particle physics, Annihilation, Pair production, Electron–positron annihilation, Hadron, Extrapolation, Production (computer science), Charm (quantum number)
Abstract: The cross sections for D 0 D ¯ 0 and D + D − production at 3.773 GeV have been measured with BES-II detector at BEPC. These measurements are made by analyzing a data sample of about 17.3 pb −1 collected at the center-of-mass energy of 3.773 GeV. Observed cross sections for the charm pair production are radiatively corrected to obtain the tree level cross section for D D ¯ production. A measurement of the total tree level hadronic cross section is obtained from the tree level D D ¯ cross section and an extrapolation of the R u d s below the open charm threshold.
Published: 2004

39. Direct measurements of the branching fractions for D0→K−e+νe and D0→π−e+νe and determinations of the form factors f+K(0) and f+π(0)

Author: Yudan Wang, Z. A. Zhu, Z. Y. Yi, H. S. Chen, B.S. Zou, Feng Shi, Guangzhao Zhou, Z.Q. Zhang, Y. Jin, Qiyang Zhang, J. B. Zhao, P. P. Zhao, N. Wu, Lei Zhang, M. Ablikim, G. Rong, J. Z. Wang, Zhenyu Zhang, Jun-Bing Ma, Y. F. Liang, D. X. Zhao, B. Y. Zhang, D. P. Jin, X. Y. Shen, X. Y. Ma, Hangxu Li, P. Wang, W. X. Gong, Jiemin Li, D. H. Zhang, C. S. Yu, Y.N. Gao, C. D. Qian, W. R. Zhao, X. Shi, K. L. He, S. D. Yang, Xingzhu Cui, S. L. Zang, F. Yang, J. G. Bian, Zujian Wang, Kelin Wang, J. C. Chen, Jiang Changhui, Zhi-Jun Sun, F. Lu, Z. D. Nie, M. L. Chen, X. Q. Li, F. Y. Li, Y. Q. Guo, Gongru Lu, J. P. Liu, X. X. Xie, X. S. Jiang, Y.X. Yang, R. Y. Li, H. L. Dai, X. H. He, Yu Zeng, Y. B. Chen, Y.R. Tian, H. Qin, Cunfeng Wei, Y. J. Zhang, J. Fang, L. S. Zheng, Ning Zhou, J. W. Zhao, H. Y. Zhang, S. Z. Wang, H. Xu, Y. F. Lai, Q. M. Zhu, X. J. Zhao, H.B. Liao, W. F. Wang, J. W. Zhang, S. T. Xue, H.Q. Zheng, Zheng Wang, S. P. Chi, Haiwen Liu, Y. C. Zhu, M. Z. Wang, G. W. Yu, Q. M. Ma, C. Z. Yuan, X. M. Xia, Jin Chen, H. S. Sun, K. J. Zhu, J. Y. Zhang, Y. Xu, H. X. Yang, Haiping Peng, S. S. Fang, Y. Yuan, Y. S. Zhu, J. M. Yuan, P. L. Wang, J. Nie, Y. M. Wu, H. Y. Fu, Y. K. Heng, Y. Y. Zhang, Xunchao Zhang, Z. Y. Wang, J. G. Lu, Z. Y. Ren, L. Huang, J. F. Chang, L. L. Ma, Shang Lunlin, Y. S. Dai, S. Jin, W. G. Li, C. S. Gao, X. L. Luo, T. Hu, G. Li, Jinxing Zheng, X.L. Li, D. Y. Wang, XZ（蔡翔舟） Cai, Y. Z. Sun, L. S. Wang, M. G. Zhao, C. D. Fu, Yiyun Zhang, Z. Y. Deng, Y. X. Ye, S.S. Sun, Lianyou Shan, G. F. Xu, R. B. Li, L. P. Zhou, F. C. Ma, X. C. Zhong, L. H. Yi, Zhe Wang, Y. P. Chu, Z. P. Mao, X. B. Ji, J. F. Qiu, Bo Xin, S. M. Li, Yangguo Zhao, Shun-Qi Zhang, M. He, Bing Zhou, D. L. Shen, C. X. Liu, J. Yang, Z. A. Liu, Y. Ban, J. Z. Bai, H. Y. Sheng, C. L. Luo, R. G. Liu, Nongjian Tao, C. C. Zhang, J. B. Liu, N. D. Qi, Z. Z. Du, Z. X. Liu, Fang Liu, S. D. Gu, Q. Yue, X.S. Li, Yingchun Zhu, J. C. Li, X. Tang, Xuan Zhang, Qingying Jia, Fei-Fei Liu, Y. Zeng, Jun Chen, H. M. Hu, M. Y. Gong, S. X. Du, M. L. Yan, B. X. Zhang, Hao-Ze Chen, Juan Zhang, Y. N. Guo, M. H. Ye, L. Y. Dong, Z. P. Zheng, Xiru Huang, G. L. Tong, B. A. Zhuang, X. H. Mo, Q. J. Li, and D. H. Wei
Subjects: Physics, Nuclear and High Energy Physics, Meson, Electron–positron annihilation, Analytical chemistry, Atomic physics, Branching (polymer chemistry)
Abstract: The absolute branching fractions for the decays D 0 → K − e + ν e and D 0 → π − e + ν e are determined using 7584 ± 198 ± 341 singly tagged D ¯ 0 sample from the data collected around 3.773 GeV with the BES-II detector at the BEPC. In the system recoiling against the singly tagged D ¯ 0 meson, 104.0 ± 10.9 events for D 0 → K − e + ν e and 9.0 ± 3.6 events for D 0 → π − e + ν e decays are observed. Those yield the absolute branching fractions to be BF ( D 0 → K − e + ν e ) = ( 3.82 ± 0.40 ± 0.27 ) % and BF ( D 0 → π − e + ν e ) = ( 0.33 ± 0.13 ± 0.03 ) % . The vector form factors are determined to be | f + K ( 0 ) | = 0.78 ± 0.04 ± 0.03 and | f + π ( 0 ) | = 0.73 ± 0.14 ± 0.06 . The ratio of the two form factors is measured to be | f + π ( 0 ) / f + K ( 0 ) | = 0.93 ± 0.19 ± 0.07 .
Published: 2004

40. Search for the lepton flavor violation processes J/ψ→ μτ and eτ

Author: Y. B. Zhao, Feng Shi, X. J. Zhao, F. C. Ma, F. Yang, S. D. Yang, Q. M. Zhu, F. Y. Li, J. P. Liu, Y. C. Xu, H. L. Dai, M. Z. Wang, K. L. He, J. W. Zhao, D. X. Zhao, B. Y. Zhang, H. S. Sun, Hangxu Li, Jiemin Li, S. X. Du, Haiping Peng, Guangzhao Zhou, G. W. Yu, S. T. Xue, Hao-Ze Chen, L. L. Ma, J. G. Lu, Q. J. Li, H. Y. Zhang, Haiwen Liu, J. Nie, G. S. Huang, J. F. Qiu, M. L. Yan, H. S. Chen, L. Huang, Y. Q. Guo, Y.X. Yang, Y. S. Dai, Y. B. Chen, C. S. Gao, Jinxing Zheng, D. H. Wei, T. Hu, XZ（蔡翔舟） Cai, J. Y. Zhang, H. Y. Sheng, M. H. Ye, B.S. Zou, J. F. Chang, Z.Q. Zhang, Y. F. Lai, H. X. Yang, H.S. Xu, W. F. Wang, J. B. Zhao, N. D. Qi, L. Y. Dong, S.S. Sun, Z. Y. Yi, Yiyun Zhang, C. L. Luo, Z. Y. Wang, Z. A. Liu, Lianyou Shan, Y. K. Heng, L. P. Zhou, Y. Y. Zhang, Y. X. Ye, Xunchao Zhang, Y. C. Zhu, X. Y. Shen, X. S. Jiang, Xingzhu Cui, Y. Ban, G. F. Xu, Jun-Bing Ma, S. M. Li, Z. P. Mao, X. C. Zhong, Nongjian Tao, C. C. Zhang, P. L. Wang, Bo Xin, M. L. Chen, S. D. Gu, L. S. Wang, J. Z. Bai, X. Y. Ma, Y.R. Tian, M. G. Zhao, W. X. Gong, Q. M. Ma, S. Z. Wang, Z. Y. Ren, Bing Zhou, Q. Yue, Y. Jin, Yingchun Zhu, X. H. Mo, Z. Z. Du, S. L. Zang, Yu Zeng, S. Q. Zhang, J. G. Bian, S.L. Olsen, Z. X. Liu, Zujian Wang, Jiang Changhui, B. X. Zhang, Z. P. Zheng, Y. M. Wu, Zheng Wang, Zhenyu Zhang, F. A. Harris, Y. J. Zhang, X. Shi, Y. Yuan, Y. S. Zhu, Jin Chen, Z. G. Zhao, R. G. Liu, J. B. Liu, Y. Z. Sun, Xiru Huang, Yudan Wang, H.B. Liao, X. Q. Li, G. L. Tong, Fang Liu, Z. J. Sun, X. H. He, J. C. Chen, B. A. Zhuang, G. S. Varner, Qingying Jia, W. R. Zhao, M. He, D. L. Shen, X.S. Li, J. C. Li, S. S. Fang, J. Fang, L. S. Zheng, Z. A. Zhu, C. X. Liu, H. Qin, P. P. Zhao, Fei-Fei Liu, R. B. Li, Y. Zeng, X. M. Xia, L. H. Yi, H.Q. Zheng, Jun Chen, X. L. Luo, H. Y. Fu, Lei Zhang, W. G. Li, M. Ablikim, G. Rong, D. Y. Wang, J. Yang, Kelin Wang, Z. D. Nie, Y.N. Gao, J. Z. Wang, H. M. Hu, Y. F. Liang, D. P. Jin, C. D. Qian, D. H. Zhang, C. S. Yu, X. X. Xie, Juan Zhang, Y. N. Guo, X. Tang, Xuan Zhang, M. Y. Gong, F. Lu, Gongru Lu, C. Z. Yuan, Zhe Wang, Z.J. Guo, Qiyang Zhang, S. P. Chi, R. Y. Li, P. Wang, Cunfeng Wei, Ning Zhou, J. W. Zhang, K. J. Zhu, J. M. Yuan, Y. P. Chu, X. B. Ji, Shang Lunlin, S. Jin, G. Li, X.L. Li, C. D. Fu, Z. Y. Deng, and N. Wu
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, Flavor, Lepton
Abstract: The lepton flavor violation processes J / ψ → μ τ and eτ are searched for using a sample of 5.8 × 10 7 J / ψ events collected with the BESII detector. Zero and one candidate events, consistent with the estimated background, are observed in J / ψ → μ τ , τ → e ν ¯ e ν τ and J / ψ → e τ , τ → μ ν ¯ μ ν τ decays, respectively. Upper limits on the branching ratios are determined to be Br ( J / ψ → μ τ ) 2.0 × 10 − 6 and Br ( J / ψ → e τ ) 8.3 × 10 − 6 at the 90% confidence level (C.L.).
Published: 2004

41. The σ pole in J/ψ→ωπ+π−

Author: M. Ablikim, J.Z. Bai, Y. Ban, J.G. Bian, D.V. Bugg, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, Jin Chen, Jun Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, C.S. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, Z.J. Guo, F.A. Harris, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, L. Huang, X.P. Huang, X.B. Ji, Q.Y. Jia, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.B. Li, R.Y. Li, S.M. Li, W.G. Li, X.L. Li, X.Q. Li, X.S. Li, Y.F. Liang, H.B. Liao, C.X. Liu, F. Liu, Fang Liu, H.M. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Z.A. Liu, Z.X. Liu, F. Lu, G.R. Lu, J.G. Lu, C.L. Luo, X.L. Luo, F.C. Ma, J.M. Ma, L.L. Ma, Q.M. Ma, X.Y. Ma, Z.P. Mao, X.H. Mo, J. Nie, Z.D. Nie, S.L. Olsen, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, T.N. Ruan, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, H.S. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, G.S. Varner, D.Y. Wang, J.Z. Wang, K. Wang, L. Wang, L.S. Wang, M. Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Zhe Wang, Z. Wang, Zheng Wang, Z.Y. Wang, C.L. Wei, D.H. Wei, N. Wu, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, Y. Xu, S.T. Xue, M.L. Yan, F. Yang, H.X. Yang, J. Yang, S.D. Yang, Y.X. Yang, M. Ye, M.H. Ye, Y.X. Ye, L.H. Yi, Z.Y. Yi, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, Q. Yue, S.L. Zang, Yu Zeng, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.Y. Zhang, J.W. Zhang, L.S. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Y.J. Zhang, Y.Y. Zhang, Yiyun Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, M.G. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Y.C. Zhu, Y.S. Zhu, Yingchun Zhu, Z.A. Zhu, B.A. Zhuang, and B.S. Zou
Subjects: Nuclear physics, Systematic error, Physics, Nuclear and High Energy Physics, Angular distribution, Electron–positron annihilation, Partial wave analysis, Pi, Resonance, Sigma, Omega
Abstract: Using a sample of 58 million J/psi events recorded in the BESII detector, the decay J/psi --> omegapi(+)pi(-) is studied. There are conspicuous omegaf(2)(1270) and b(1)(1235)pi signals. At low pipi mass, a large, broad peak due to the sigma is observed, and its pole position is determined to be (541 +/- 39) - i (252 +/- 42) MeV from the mean of six analyses. The errors, which are dominated by the systematic errors, cover the statistical and systematic errors in the six analyses, as well as the observed variation of the six analyses. (C) 2004 Elsevier B.V. All rights reserved.
Published: 2004

42. Factors governing in situ fibre formation in LCP/PC blends☆

Author: Xiao Hu, Kam Chiu Tam, Y.X Yang, Yee Cheong Lam, Sunil C. Joshi, and C.Y Yue
Subjects: In situ, chemistry.chemical_classification, Materials science, Polymer, Rheology, chemistry, Mechanics of Materials, Liquid crystal, Phase (matter), Ceramics and Composites, Interphase, Polymer blend, Composite material, Tensile testing
Abstract: A model based on the energy concept that utilizes rheological data of the constituent polymers to predict formation of fibers of one phase in a two-component polymer blend system has been developed. This model has been verified for the formation of liquid crystal polymers (LCP) fibers for an LCP/PC blend system. Tensile test data and SEM fractographs from injection molded samples revealed that the model predictions were consistent with the experimental findings.
Published: 2004

43. A study of J/ψ→γγV(ρ,φ) decays with the BESII detector

Author: J.Z. Bai, Y. Ban, J.G. Bian, X. Cai, J.F. Chang, H.F. Chen, H.S. Chen, H.X. Chen, J.C. Chen, J. Chen, M.L. Chen, Y.B. Chen, S.P. Chi, Y.P. Chu, X.Z. Cui, H.L. Dai, Y.S. Dai, Z.Y. Deng, L.Y. Dong, S.X. Du, Z.Z. Du, J. Fang, S.S. Fang, C.D. Fu, H.Y. Fu, L.P. Fu, C.S. Gao, M.L. Gao, Y.N. Gao, M.Y. Gong, W.X. Gong, S.D. Gu, Y.N. Guo, Y.Q. Guo, S.W. Han, J. He, K.L. He, M. He, X. He, Y.K. Heng, H.M. Hu, T. Hu, G.S. Huang, L. Huang, X.P. Huang, X.B. Ji, Q.Y. Jia, C.H. Jiang, X.S. Jiang, D.P. Jin, S. Jin, Y. Jin, Y.F. Lai, F. Li, G. Li, H.H. Li, J. Li, J.C. Li, Q.J. Li, R.B. Li, R.Y. Li, S.M. Li, W. Li, W.G. Li, X.L. Li, X.Q. Li, X.S. Li, Y.F. Liang, H.B. Liao, C.X. Liu, Fang Liu, F. Liu, H.M. Liu, J.B. Liu, J.P. Liu, R.G. Liu, Y. Liu, Z.A. Liu, Z.X. Liu, G.R. Lu, F. Lu, J.G. Lu, C.L. Luo, X.L. Luo, F.C. Ma, J.M. Ma, L.L. Ma, X.Y. Ma, Z.P. Mao, X.C. Meng, X.H. Mo, J. Nie, Z.D. Nie, H.P. Peng, N.D. Qi, C.D. Qian, H. Qin, J.F. Qiu, Z.Y. Ren, G. Rong, L.Y. Shan, L. Shang, D.L. Shen, X.Y. Shen, H.Y. Sheng, F. Shi, X. Shi, L.W. Song, H.S. Sun, S.S. Sun, Y.Z. Sun, Z.J. Sun, X. Tang, N. Tao, Y.R. Tian, G.L. Tong, D.Y. Wang, J.Z. Wang, L. Wang, L.S. Wang, M. Wang, Meng Wang, P. Wang, P.L. Wang, S.Z. Wang, W.F. Wang, Y.F. Wang, Zhe Wang, Z. Wang, Zheng Wang, Z.Y. Wang, C.L. Wei, N. Wu, Y.M. Wu, X.M. Xia, X.X. Xie, B. Xin, G.F. Xu, H. Xu, Y. Xu, S.T. Xue, M.L. Yan, W.B. Yan, F. Yang, H.X. Yang, J. Yang, S.D. Yang, Y.X. Yang, L.H. Yi, Z.Y. Yi, M. Ye, M.H. Ye, Y.X. Ye, C.S. Yu, G.W. Yu, C.Z. Yuan, J.M. Yuan, Y. Yuan, Q. Yue, S.L. Zang, Y. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.Y. Zhang, J. Zhang, J.M. Zhang, J.Y. Zhang, J.W. Zhang, L.S. Zhang, Q.J. Zhang, S.Q. Zhang, X.M. Zhang, X.Y. Zhang, Yiyun Zhang, Y.J. Zhang, Y.Y. Zhang, Z.P. Zhang, Z.Q. Zhang, D.X. Zhao, J.B. Zhao, J.W. Zhao, P.P. Zhao, W.R. Zhao, X.J. Zhao, Y.B. Zhao, Z.G. Zhao, H.Q. Zheng, J.P. Zheng, L.S. Zheng, Z.P. Zheng, X.C. Zhong, B.Q. Zhou, G.M. Zhou, L. Zhou, N.F. Zhou, K.J. Zhu, Q.M. Zhu, Yingchun Zhu, Y.C. Zhu, Y.S. Zhu, Z.A. Zhu, B.A. Zhuang, and B.S. Zou
Subjects: Physics, Nuclear physics, Particle physics, Nuclear and High Energy Physics, Meson, Glueball, Branching fraction, Electron–positron annihilation, Detector, Mass spectrum, Radiative transfer, Resonance
Abstract: Using a sample of 58×10 6 J / ψ events collected with the BESII detector, radiative decays J / ψ → γγV , where V = ρ or φ , are studied. A resonance around 1420 MeV/ c 2 ( X (1424)) is observed in the γρ mass spectrum. Its mass and width are measured to be 1424±10(stat)±11(sys) MeV/ c 2 and 101.0±8.8±8.8 MeV/ c 2 , respectively, and its branching ratio B ( J / ψ → γX (1424)→ γγρ ) is determined to be (1.07±0.17±0.11)×10 −4 . A search for X (1424)→ γφ yields a 95% C.L. upper limit B ( J / ψ → γX (1424)→ γγφ ) −4 .
Published: 2004
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44. Search for K0SK0S in J/ψ and ψ(2S) decays

Author: L. P. Zhou, Y. Yuan, Y. S. Zhu, Z. P. Mao, N. Wu, Z. Y. Yi, Zujian Wang, Jiang Changhui, X. H. Mo, L. S. Wang, M. H. Ye, Z. A. Liu, K. L. He, S. W. Han, J. M. Zhang, Y. Ban, J. Z. Bai, J. He, H. Y. Zhang, X. S. Jiang, Z. P. Zheng, Haiwen Liu, G. S. Huang, S. X. Du, W. R. Zhao, Feng Shi, J. Y. Zhang, M. L. Yan, Xiru Huang, G. L. Tong, Y. Jin, Xingzhu Cui, B. A. Zhuang, Y. K. Heng, Y. Y. Zhang, Z. Z. Du, Z. X. Liu, Guangzhao Zhou, S. D. Gu, Q. Yue, J. C. Li, Yingchun Zhu, X. Tang, Xuan Zhang, B.S. Zou, Z.Q. Zhang, Zheng Wang, Zhenyu Zhang, J. F. Chang, X. M. Xia, M. Y. Gong, J. C. Chen, Yiyun Zhang, J. Fang, L. S. Zheng, Xunchao Zhang, Juan Zhang, Z. D. Nie, Y. X. Ye, Y.R. Tian, Y. N. Guo, Y.N. Gao, M. L. Gao, H. S. Chen, J. B. Zhao, G. S. Varner, Qingying Jia, Z.J. Guo, S. L. Zang, J. Nie, X. H. He, Y. Q. Guo, Y.X. Yang, C. D. Qian, Q. J. Li, Qiyang Zhang, S. M. Li, Y. B. Chen, X. Y. Shen, Y. C. Zhu, Y. Xu, H. Y. Fu, Jun Chen, Bing Zhou, H.Q. Zheng, H.S. Xu, Y. F. Lai, L. Huang, L. L. Ma, Y. M. Wu, S.L. Olsen, W. F. Wang, Y. B. Zhao, P. Wang, Y. S. Dai, Bo Xin, J. G. Lu, P. L. Wang, P. P. Zhao, Yudan Wang, S. Q. Zhang, C. S. Gao, X. J. Zhao, J. Chen, J. Z. Wang, W. D. Li, Jinxing Zheng, Meng Wang, H. X. Yang, Y. Z. Sun, T. Hu, L. Y. Dong, Y. F. Liang, H.B. Liao, XZ（蔡翔舟） Cai, D. P. Jin, Lei Zhang, Z. A. Zhu, F. Yang, G. Rong, R. Y. Li, G. F. Xu, H. M. Hu, H. Qin, D. X. Zhao, Cunfeng Wei, D. H. Zhang, C. S. Yu, S.S. Sun, J. W. Zhao, S. D. Yang, G. W. Yu, Lianyou Shan, Ning Zhou, B. Y. Zhang, Jun-Bing Ma, Hangxu Li, Jiemin Li, J. W. Zhang, B. X. Zhang, Hao-Ze Chen, J. G. Bian, X. C. Zhong, Z. Y. Ren, F. A. Harris, W. G. Li, D. Y. Wang, W. B. Yan, X. Y. Ma, W. X. Gong, F. Lu, F. Y. Li, J. P. Liu, Fei-Fei Liu, X. Shi, H. L. Dai, F. C. Ma, Q. M. Zhu, Y. Zeng, M. Z. Wang, H. S. Sun, Haiping Peng, C. Z. Yuan, Zhe Wang, J. F. Qiu, L. P. Fu, C. L. Luo, Nongjian Tao, C. C. Zhang, Z. G. Zhao, Fang Liu, Z. J. Sun, X.S. Li, Gongru Lu, S. P. Chi, K. J. Zhu, J. M. Yuan, Shang Lunlin, S. Jin, G. Li, X.L. Li, C. D. Fu, Z. Y. Deng, Y. P. Chu, X. B. Ji, S. T. Xue, X. L. Luo, Z. Y. Wang, S. Z. Wang, L. W. Song, M. L. Chen, Y. J. Zhang, R. B. Li, X. Q. Li, H. Y. Sheng, L. H. Yi, N. D. Qi, S. S. Fang, Y. B. Liu, J. Yang, M. He, D. L. Shen, R. G. Liu, J. B. Liu, C. X. Liu, X. X. Xie, and X. C. Meng
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Spectrometer, Electron–positron annihilation, Atomic physics
Abstract: The CP violating processes J / ψ → K 0 S K 0 S and ψ (2 S )→ K 0 S K 0 S are searched for using samples of 58 million J / ψ and 14 million ψ (2 S ) events collected with the Beijing spectrometer at the Beijing electron–positron collider. No signal is observed, and upper limits on the decay branching ratios are determined to be B (J/ψ→K 0 S K 0 S ) −6 and B (ψ(2S)→K 0 S K 0 S ) −6 at the 95% confidence level.
Published: 2004
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45. Electrical property of nanocrystalline γ-Fe2O3 under high pressure

Author: Y.X. Yang, Yongsheng Zhang, Ke Yu, Chunxiao Gao, Chunhe Zang, Dongmei Zhang, and Yonghao Han
Subjects: Phase transition, Materials science, Condensed matter physics, Maghemite, engineering.material, Hematite, Conductivity, Condensed Matter Physics, Nanocrystalline material, Electronic, Optical and Magnetic Materials, Discontinuity (geotechnical engineering), Electrical resistivity and conductivity, High pressure, visual_art, engineering, visual_art.visual_art_medium, Electrical and Electronic Engineering
Abstract: Using a microcircuit fabricated on a diamond anvil cell, in situ conductivity measurements on nanophase (NP) γ-Fe2O3 are obtained under high pressure. For NP γ-Fe2O3, the abrupt increase in electrical conductivity occurs at a pressure of 21.3 GPa, corresponding to a transition from maghemite to hematite. Above 26.4 GPa, conductivity increases smoothly with increasing pressure. No distinct abnormal change is observed during decompression, indicating that transformation is irreversible. The temperature-dependence of the conductivity of NP γ-Fe2O3 was investigated at several pressures, indicating the electrical conductivity of the sample increases with increasing pressure and temperature, and that a remarkable phenomenon of discontinuity occurs at 400 K. The abnormal change is attributed to the electronic phase transitions of NP γ-Fe2O3 due to the variation of inherent cation vacancies. Besides, the temperature-dependence of the electrical conductivity displays semiconductor-like behavior before 33.0 GPa.
Published: 2012

46. Solution-based processing of YBa2Cu3Ox superconducting thin films

Author: Steven J. Milne, M. A. Howson, and Y.X. Yang
Subjects: Materials science, Argon, Oxide, Analytical chemistry, chemistry.chemical_element, Condensed Matter Physics, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, chemistry, Phase (matter), Materials Chemistry, Ceramics and Composites, Cubic zirconia, Crystallite, Thin film, Thermal analysis, Yttria-stabilized zirconia
Abstract: A solution route based on metal acetate precursors was developed for preparation of YBa2Cu3Ox thin films. Solubility of the precursors in the methoxyethanol solvent employed was improved by incorporation of triethanolamine as a chelating agent. Conversion of the solution to an oxide superconductor was followed by thermal analysis, X-ray diffraction and electron microscopy techniques. For high Tc thin film formation, an inert firing atmosphere (argon) was helpful for development of the superconducting phase. For conventional oxygen processing, temperatures up to 950°C are usually required to achieve the desired superconducting properties. Using argon atmospheres, lower firing temperatures, ∼ 800–850°C, are possible, leading to reduced film-substrate interaction. The highest Tc(0) achieved was 84 K for c-axis orientated films on yttria stabilised polycrystalline zirconia (YSZ) substrates. The critical current density, jc, was 500 A cm−2 at 77 K.
Published: 1992

47. Synthesis of cubic aluminum nitride by carbothermal nitridation reaction

Author: Y.X. Yang, G. Sánchez, Wei Wang, J. Esteve, M.C. Polo, L. Fang, J. Wang, and P.D. Ding
Subjects: Reaction mechanism, Materials science, Aluminium nitride, Mechanical Engineering, Mineralogy, chemistry.chemical_element, General Chemistry, Nitride, Chemical reaction, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, chemistry, Chemical engineering, Aluminium, visual_art, Materials Chemistry, Aluminium oxide, visual_art.visual_art_medium, Ceramic, Electrical and Electronic Engineering, Nitriding
Abstract: Cubic aluminum nitride (AlN) was synthesized by the carbothermal nitridation reaction of aluminum oxide (Al 2 O 3 ). The effects of Al 2 O 3 particle size, reaction temperature and reaction time on the synthesis of cubic AlN were investigated, and the reaction mechanism was also analyzed. The results showed that cubic AlN could be formed at a lower temperature with fine Al 2 O 3 powder than with coarse Al 2 O 3 powder. The cubic AlN may be the product of Al 23 O 27 N 5 synthesized from Al 2 O 3 and hexagonal AlN, and transforms into hexagonal AlN at temperatures above 1800°C.
Published: 1999

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