ψ(2S)two- and three-body hadronic decays

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ID: 271000
2003
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Abstract
We report measurements of branching fractions for ψ(2S) decays into ωπ+π−, b1π, ωf2(1270), ωK+K−, ωpp¯, φπ+π−, φf0(980), φK+K−, and an upper limit for φpp¯ final states based on a data sample of (4.02±0.22)×106ψ(2S) events collected with the BESI detector at the Beijing Electron-Positron Collider. The branching fractions for b1π and ωf2(1270) update previous BES results, while those for other decay modes are first measurements. The ratios of ψ(2S) and J/ψ branching fractions are smaller than what is expected from the 12% rule by a factor of 5 for ωf2(1270) and by a factor of 2 for ωπ+π−, ωpp¯, and φK+K−, while for other studied channels the ratios are consistent with expectations within errors.
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Authors J. Z. Bai, Y. Ban, J. G. Bian, I. Blum, X. Cai, J. F. Chang, H. F. Chen, J. Chen, Y. B. Chen, S. P. Chi, Y. P. Chu, X. Z. Cui, Y. S. Dai, L. Y. Dong, Z. Z. Du, W. Dunwoodie, J. Fang, S. S. Fang, H. Y. Fu, L. P. Fu, C. S. Gao, Y. N. Gao, M. Y. Gong, P. Gratton, S. D. Gu, Y. N. Guo, Z. J. Guo, S. W. Han, F. A. Harris, J. He, K. L. He, M. He, X. He, Y. K. Heng, T. Hong, D. G. Hitlin, H. M. Hu, T. Hu, G. S. Huang, X. P. Huang, J. M. Izen, X. B. Ji, C. H. Jiang, X. S. Jiang, D. P. Jin, S. Jin, Y. Jin, B. D. Jones, Z. J. Ke, M. H. Kelsey, B. K. Kim, D. Kong, Y. F. Lai, G. Li, H. H. Li, J. Li, Q. J. Li, R. Y. Li, W. Li, X. Q. Li, C. F. Liu, F. Liu, H. M. Liu, J. P. Liu, R. G. Liu, T. R. Liu, Y. Liu, Z. A. Liu, X. C. Lou, B. Lowery, G. R. Lu, H. J. Lu, J. G. Lu, Z. J. Lu, X. L. Luo, E. C. Ma, F. C. Ma, J. M. Ma, R. Malchow, Z. P. Mao, X. C. Meng, X. H. Mo, J. Nie, Z. D. Nie, S. L. Olsen, J. Oyang, D. Paluselli, L. J. Pan, J. Panetta, H. P. Peng, F. Porter, N. D. Qi, C. D. Qian, J. F. Qiu, G. Rong, M. Schernau, D. L. Shen, H. Shen, X. Y. Shen, H. Y. Sheng
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Journal physical review d
Year 2003
DOI
10.1103/physrevd.67.052002
URL
https://sciprofiles.com/publication/view/ea18c5a6c58bc4507578e6fd5153875c
Keywords
http www.w3.org/1998/math/mathml inline msup msub xmlns

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