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1. Charmonium Decays to Axial-Vector Plus Pseudoscalar Mesons

Author

E. C. Ma, H. L. Zhang, R. B. Li, G. P. Chen, Michael Schernau, W. Yang, J. Nie, S. W. Han, M. L. Gao, Y. Y. Shao, F. Wang, Z. P. Mao, J. Panetta, Y. C. Zhu, D. Kong, G. W. Yu, S. D. Gu, S. Q. Tang, J. He, H. S. Zhou, C. S. Gao, Jinxing Zheng, Meng Wang, S. M. Wang, Junguang Lu, W. R. Zhao, J. T. He, A. J. Lankford, Dehong Zhang, G. S. Varner, X. R. Qi, Yuehong Xie, Z. Z. Du, Wei Li, X. Q. Hu, H. L. Ding, W. X. Gu, Z. Q. Yu, W. H. Toki, J. W. Zhang, Y. B. Chen, W. G. Li, Y. F. Gu, Qiyang Zhang, Y. W. Liu, P. L. Wang, X. N. Li, Y. F. Lai, Y. H. Xie, C. M. Yang, M. He, Y. N. Guo, D. L. Shen, Q. H. Hu, T. J. Wang, Yong Ban, J. F. Qiu, B. Lowery, Y. L. Han, G. Rong, Z. G. Zhao, P. Wang, Y. H. Qu, H. Shen, M. G. Zhao, Bing Zhou, Z. P. Zheng, P. F. Lang, Y. Jin, He Kai, X. C. Meng, J. Standifird, Stephen L. Olsen, Xingguo Li, G. P. Zhou, J. Chen, S. T. Xue, Jiang Changhui, Cheng-Kui Li, X. L. Luo, D. Li, X. Y. Shen, G. F. Xu, G. L. Tong, B. W. Shen, I. Blum, Q. M. Zhu, G. Y. Hu, J. L. Hu, B. A. Zhuang, Cunfeng Wei, Xuan Zhang, S. Q. Zhang, F. A. Harris, D. H. Zhang, J. Z. Bai, Y. G. Wu, Y. Z. Huang, Y. K. Que, Xuanhong Lou, R. Malchow, H. B. Li, J. Oyang, R. G. Liu, H. S. Mao, C. S. Yu, Hao-Ze Chen, H. S. Sun, H. Z. Shi, F. C. Porter, Jiming Yang, H. W. Zhao, K. J. Zhu, Li Zhou, H. M. Hu, L. S. Zheng, Yuanbo Chen, D. Paluselli, Y. J. Sun, H. Y. Sheng, F. Lu, X. F. Song, F. Sun, L. Y. Dong, B. S. Cheng, C. X. Yu, L. Z. Wang, C. C. Zhang, J. Y. Zhang, M. H. Kelsey, N. D. Qi, Y. Yuan, Y. H. Yu, Y. S. Zhu, P. Gratton, X. M. Xia, J. H. Gu, Y. Q. Chen, Y. Y. Zhang, Yangsen Ye, C. Y. Yang, C. D. Qian, Xuan Yang, C. Z. Yuan, D. M. Xi, L. J. Pan, Jiawei Zhao, J. Yan, L. S. Wang, M. H. Ye, S. Q. Gao, Z. J. Ke, P. P. Xie, P. Q. Li, B. K. Kim, W. G. Yan, J. P. Liu, Jun-Bing Ma, J. Li, Lei Zhang, Joseph Izen, J. W. Zhao, J. G. Bian, W. Dunwoodie, T. Hu, D. G. Hitlin, B. D. Jones, S. W. Ye, H. M. Liu, M. Weaver, D. X. Zhao, B. Y. Zhang, Y. Z. Sun, Y. Y. Wang, and Xingzhu Cui

Subjects
Physics, Particle physics, Meson, Branching fraction, High Energy Physics::Lattice, High Energy Physics::Phenomenology, FOS: Physical sciences, General Physics and Astronomy, High Energy Physics - Experiment, Pseudoscalar, High Energy Physics - Experiment (hep-ex), High Energy Physics::Experiment, Pseudovector, Mathematical physics
Abstract

A sample of 3.79 million psi(2S) decays observed in the BES detector is used to study the decays of charmonium to axialvector plus pseudoscalar mesons. The branching fraction for psi(2S) to b1pi agrees with expectations. A contrasting behavior between the psi(2S) and the J/psi decays to K1K cannot be accommodated by an adjustment of the singlet-triplet axialvector mixing angle., 7 pages, 3 figures. Changes: excluded one figure, added information, systematic errors increased

Published
1999
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2. ψ(2S)Hadronic Decays to Vector-Tensor Final States

Author

Xuan Yang, Z. Q. Yu, Q. H. Hu, Wei Li, J. H. Liu, J. W. Zhang, Y. S. Zhu, L. J. Pan, C. M. Yang, Y. B. Chen, Michael Schernau, W. Yang, W. G. Yan, F. Lu, L. Y. Ding, Q. J. Zhang, Z. P. Zheng, Lei Zhang, J. Nie, W. G. Li, J. C. Chen, G. L. Tong, B. A. Zhuang, Joseph Izen, T. J. Wang, C. G. Li, S. Feng, C. L. Wei, J. F. Qiu, Kai Yi, Y. Y. Shao, Hao-Ze Chen, Jiming Yang, H. S. Mao, L. Y. Dong, F. Wang, Z. P. Mao, D. X. Zhao, C. S. Gao, Dehong Zhang, B. Y. Zhang, B. S. Cheng, W. Dunwoodie, B. K. Kim, J. D. Huang, J. Panetta, Xuanhong Lou, R. Malchow, Y. Y. Wang, Y. C. Zhu, J. G. Bian, I. Blum, J. H. Gu, C. Z. Yuan, Lu Wang, J. T. He, C. H. Luo, Hai-Bo Li, H. M. Hu, Q. M. Zhu, Meng Wang, R. B. Li, J. M. Ma, Z. T. Yu, Xuan Zhang, Yuanbo Chen, X. C. Meng, J. He, J. Standifird, S. T. Xue, L. S. Zheng, Yi Jin, Y. W. Liu, L. S. Wang, M. H. Ye, P. F. Lang, Y. Z. Huang, Jie Zhang, B. W. Shen, Y. K. Que, S. W. Han, J. Chen, T. Hu, G. Y. Hu, M. Wang, E. C. Ma, C. D. Qian, Li Zhou, H. S. Sun, J. Oyang, J. P. Liu, A. M. Ma, H. S. Zhou, Chunmei Zhang, J. Li, D. G. Hitlin, X. Y. Shen, F. A. Harris, D. Li, H. L. Zhang, P. Gratton, X. M. Xia, Z. W. Chai, G. Rong, C. H. Jiang, Da-Hua Zhang, Y. Yuan, Y. H. Yu, M. G. Zhao, R. G. Liu, F. C. Porter, D. Paluselli, Yangsen Ye, H. W. Zhao, M. L. Gao, B. Lowery, S. W. Ye, S. Q. Tang, S. D. Gu, H. Z. Shi, S. Q. Gao, Z. J. Ke, Junqiang Zhang, P. P. Xie, H. M. Liu, M. Weaver, X. F. Song, J. W. Zhao, G. P. Chen, H. Shen, X. Q. Hu, Z. G. Zhao, W. R. Zhao, P. Q. Li, C. Y. Yang, Y. F. Gu, X. R. Qi, Y. L. Han, Y. H. Qu, Y. F. Lai, Y. Zhang, Yuehong Xie, Shun-Qi Zhang, M. He, D. L. Shen, X. Z. Cui, P. L. Wang, M. H. Kelsey, Stephen L. Olsen, L. C. Lu, W. J. Xiong, Y. Y. Zhang, W. X. Gu, C. S. Yu, W. H. Toki, Jianping Zheng, D. M. Xi, J. Yan, A. J. Lankford, G. F. Xu, F. Sun, X. N. Li, Y. N. Guo, H. L. Ding, Xingguo Li, G. P. Zhou, J. Y. Lu, D. Kong, S. M. Wang, Junguang Lu, Y. H. Xie, C. C. Xu, Y. Q. Chen, J. L. Hu, Y. G. Wu, Z. Z. Du, H. Y. Sheng, C. X. Yu, N. D. Qi, and J. Z. Bai

Subjects
Physics, Particle physics, Branching fraction, Hadron, General Physics and Astronomy, Mathematical physics
Abstract

Author(s): Bai, JZ; Bian, JG; Blum, I; Chai, ZW; Chen, GP; Chen, HF; Chen, J; Chen, JC; Chen, Y; Chen, YB; Chen, YQ; Cheng, BS; Cui, XZ; Ding, HL; Ding, LY; Dong, LY; Du, ZZ; Dunwoodie, W; Feng, S; Gao, CS; Gao, ML; Gao, SQ; Gratton, P; Gu, JH; Gu, SD; Gu, WX; Gu, YF; Guo, YN; Han, SW; Han, Y; Harris, FA; He, J; He, JT; He, M; Hitlin, DG; Hu, GY; Hu, HM; Hu, JL; Hu, QH; Hu, T; Hu, XQ; Huang, JD; Huang, YZ; Izen, JM; Jiang, CH; Jin, Y; Ke, ZJ; Kelsey, MH; Kim, BK; Kong, D; Lai, YF; Lang, PF; Lankford, A; Li, CG; Li, D; Li, HB; Li, J; Li, PQ; Li, RB; Li, W; Li, WD; Li, WG; Li, XH; Li, XN; Liu, HM; Liu, J; Liu, JH; Liu, RG; Liu, Y; Lou, XC; Lowery, B; Lu, F; Lu, JG; Lu, JY; Lu, LC; Luo, CH; Ma, AM; Ma, EC; Ma, JM; Malchow, R; Mao, HS; Mao, ZP; Meng, XC; Nie, J; Olsen, SL | Abstract: The decays of the ψ(2S) into vector plus tensor meson final states have been studied for the first time using the BES detector. We determine upper limits on branching fractions for ψ(2S) decays into ωf2, ρa2, K*0K*02 + c.c., and φf'2(1525) that are, in each case, significantly smaller than the corresponding branching fractions for the J/ψ meson, scaled according to the expectations of perturbative QCD. © 1998 The American Physical Society.

Published
1998
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3. Study of theP-Wave Charmonium StateχcJinψ(2S)Decays

Author

W. R. Zhao, Y. L. Han, Xingzhu Cui, Z. T. Yu, X. R. Qi, Y. Zhang, H. Z. Shi, L. C. Lu, J. F. Qiu, J. L. Hu, X. F. Song, J. L. Zhang, B. K. Kim, F. Sun, L. Z. Wang, Y. Jin, Qiyang Zhang, M. H. Kelsey, J. Panetta, Y. C. Zhu, C. H. Luo, P. L. Wang, Meng Wang, S. D. Gu, P. Wang, X. C. Meng, J. Standifird, S. Q. Zhang, E. C. Ma, H. L. Zhang, R. B. Li, J. G. Lu, G. F. Xu, Y. X. Ye, H. W. Zhao, M. L. Gao, H. S. Mao, T. Hu, G. P. Chen, J. C. Li, L. Y. Dong, P. F. Lang, G. P. Zhou, W. G. Li, D. Li, F. Lu, Kai Yi, G. S. Varner, M. G. Zhao, W. D. Li, S. Q. Tang, B. S. Cheng, Y. Yuan, Y. H. Yu, Y. S. Zhu, Y. N. Guo, D. M. Xi, S. W. Ye, H. Shen, X. Q. Hu, M. Weaver, W. X. Gu, J. Yan, Cheng-Kui Li, Y. B. Chen, C. Y. Yang, X. Y. Zhang, D. G. Hitlin, J. H. Gu, Y. F. Gu, R. G. Liu, J. T. He, M. He, B. W. Shen, Y. F. Lai, H. F. Chen, W. H. Toki, J. G. Bian, D. L. Shen, I. Blum, W. J. Xiong, Cunfeng Wei, J. Z. Bai, J. W. Zhao, Stephen L. Olsen, Z. Q. Yu, Wei Li, F. A. Harris, Chun-Hua Jiang, S. W. Han, H. M. Liu, Y. Z. Huang, C. M. Yang, Z. Z. Du, J. Oyang, Jun-Bing Ma, L. J. Pan, J. W. Zhang, Xuan Yang, L. Y. Ding, Chang-Zheng Yuan, F. C. Porter, T. J. Wang, D. H. Zhang, C. S. Yu, H. B. Li, H. L. Ding, A. M. Ma, H. S. Zhou, D. Paluselli, A. J. Lankford, P. Gratton, D. X. Zhao, L. S. Wang, C. C. Zhang, B. Y. Zhang, M. H. Ye, X. M. Xia, Z. W. Chai, W. Dunwoodie, W. G. Yan, S. Feng, Jiming Yang, J. Y. Zhang, Y. Y. Wang, X. Y. Shen, H. Y. Sheng, Lei Zhang, J. He, C. X. Yu, S. Q. Gao, Z. J. Ke, D. Kong, N. D. Qi, Z. G. Zhao, S. M. Wang, Z. P. Zheng, Y. H. Qu, Joseph Izen, G. Rong, Y. G. Xie, L. P. Zhou, F. Wang, Y. Y. Zhang, Z. P. Mao, Y. K. Que, Q. H. Hu, P. P. Xie, G. L. Tong, B. A. Zhuang, J. Chen, H. M. Hu, J. C. Chen, Xuanhong Lou, R. Malchow, P. Q. Li, L. S. Zheng, Y. G. Wu, C. D. Qian, J. P. Liu, Y. Q. Chen, X. H. Li, J. Y. Lu, Y. H. Xie, C. C. Xu, Y. B. Liu, Q. M. Zhu, M. Z. Wang, H. S. Sun, X. N. Li, B. Lowery, J. H. Liu, Michael Schernau, W. Yang, J. Nie, Y. Y. Shao, C. S. Gao, Jinxing Zheng, J. D. Huang, S. T. Xue, G. Y. Hu, and Dehong Zhang

Subjects
Physics, Stereochemistry, Branching fraction, Quantum mechanics, General Physics and Astronomy
Abstract

Author(s): Bai, JZ; Bian, JG; Blum, I; Chai, ZW; Chen, GP; Chen, HF; Chen, J; Chen, JC; Chen, Y; Chen, YB; Chen, YQ; Cheng, BS; Cui, XZ; Ding, HL; Ding, LY; Dong, LY; Du, ZZ; Dunwoodie, W; Feng, S; Gao, CS; Gao, ML; Gao, SQ; Gratton, P; Gu, JH; Gu, SD; Gu, WX; Gu, YF; Guo, YN; Han, SW; Han, Y; Harris, FA; He, J; He, JT; He, M; Hitlin, DG; Hu, GY; Hu, HM; Hu, JL; Hu, QH; Hu, T; Hu, XQ; Huang, JD; Huang, YZ; Izen, JM; Jiang, CH; Jin, Y; Ke, ZJ; Kelsey, MH; Kim, BK; Kong, D; Lai, YF; Lang, PF; Lankford, A; Li, CG; Li, D; Li, HB; Li, J; Li, PQ; Li, RB; Li, W; Li, WD; Li, WG; Li, XH; Li, XN; Liu, HM; Liu, J; Liu, JH; Liu, RG; Liu, Y; Lou, XC; Lowery, B; Lu, F; Lu, JG; Lu, JY; Lu, LC; Luo, CH; Ma, AM; Ma, EC; Ma, JM; Malchow, R; Mao, HS; Mao, ZP; Meng, XC; Nie, J; Olsen, SL | Abstract: The processes ψ(2S) → I π+ π−, γK+ K−, and γpp¯ have been studied using a sample of 3.79 × 106 ψ(2S) decays. We determine the total width of the χc0 to be γtotχc0 = 14.3 ± 2.0 ± 3.0 MeV. We present the first measurement of the branching fraction B(χc0 → pp¯) = (15.9 ± 4.3 ± 5.3) × 10−5, where the first error is statistical and the second one is systematic. Branching fractions of χc0, 2 → π+ π− and K+ K− are also reported. © 1998 American Physical Society.

Published
1998
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