Published November 1998
| Version v1
Journal article
Branching fractions for ψ(2S)→γη' and γη
Creators
- Bai, J.Z.1
- Bian, J.G.1
- Chai, Z.W.1
- Chen, G.P.1
- Chen, J.C.1
- Chen, Y.1
- Chen, Y.B.1
- Chen, Y.Q.1
- Cheng, B.S.1
- Cui, X.Z.1
- Ding, H.L.1
- Ding, L.Y.1
- Dong, L.Y.1
- Du, Z.Z.1
- Feng, S.1
- Gao, C.S.1
- Gao, M.L.1
- Gao, S.Q.1
- Gu, J.H.1
- Gu, S.D.1
- Gu, W.X.1
- Gu, Y.F.1
- Guo, Y.N.1
- Han, S.W.1
- Han, Y.1
- He, J.1
- He, J.T.1
- Hu, G.Y.1
- Hu, H.M.1
- Hu, J.L.1
- Hu, Q.H.1
- Hu, T.1
- Hu, X.Q.1
- Huang, J.D.1
- Huang, Y.Z.1
- Jiang, C.H.1
- Jin, Y.1
- Ke, Z.J.1
- Lai, Y.F.1
- Lang, P.F.1
- Li, C.G.1
- Li, D.1
- Li, H.B.1
- Li, J.1
- Li, P.Q.1
- Li, R.B.1
- Li, W.1
- Li, W.D.1
- Li, W.G.1
- Li, X.H.1
- Li, X.N.1
- Liu, H.M.1
- Liu, J.1
- Liu, J.H.1
- Liu, R.G.1
- Liu, Y.1
- Lu, F.1
- Lu, J.G.1
- Lu, J.Y.1
- Lu, L.C.1
- Luo, C.H.1
- Ma, A.M.1
- Ma, E.C.1
- Ma, J.M.1
- Mao, H.S.1
- Mao, Z.P.1
- Meng, X.C.1
- Nie, J.1
- Qi, N.D.1
- Qi, X.R.1
- Qiu, J.F.1
- Qu, Y.H.1
- Que, Y.K.1
- Rong, G.1
- Shao, Y.Y.1
- Shen, B.W.1
- Shen, D.L.1
- Shen, H.1
- Shen, X.Y.1
- Sheng, H.Y.1
- Shi, H.Z.1
- Song, X.F.1
- Sun, F.1
- Sun, H.S.1
- Tang, S.Q.1
- Tong, G.L.1
- Wang, F.1
- Wang, L.S.1
- Wang, L.Z.1
- Wang, M.1
- Wang, M.1
- Wang, P.1
- Wang, P.L.1
- Wang, S.M.1
- Wang, T.J.1
- Wang, Y.Y.1
- Wei, C.L.1
- Wu, Y.G.1
- Xi, D.M.1
- Xia, X.M.1
- Xie, P.P.1
- Xie, Y.1
- Xie, Y.H.1
- Xiong, W.J.1
- Xu, C.C.1
- Xu, G.F.1
- Xue, S.T.1
- Yan, J.1
- Yan, W.G.1
- Yang, C.M.1
- Yang, C.Y.1
- Yang, J.1
- Yang, X.F.1
- Ye, M.H.1
- Yi, K.1
- Yu, C.S.1
- Yu, C.X.1
- Yu, Z.Q.1
- Yu, Z.T.1
- Yuan, C.Z.1
- Yuan, Y.1
- Zhang, B.Y.1
- Zhang, C.C.1
- Zhang, D.H.1
- Zhang, D.1
- Zhang, H.L.1
- Zhang, J.1
- Zhang, J.L.1
- Zhang, J.W.1
- Zhang, L.S.1
- Zhang, Q.J.1
- Zhang, S.Q.1
- Zhang, Y.1
- Zhang, Y.Y.1
- Zhao, D.X.1
- Zhao, H.W.1
- Zhao, J.W.1
- Zhao, M.1
- Zhao, W.R.1
- Zhao, Z.G.1
- Zheng, J.P.1
- Zheng, L.S.1
- Zheng, Z.P.1
- Zhou, G.P.1
- Zhou, H.S.1
- Zhou, L.1
- Zhu, Q.M.1
- Zhu, Y.C.1
- Zhu, Y.S.1
- Zhuang, B.A.1
- Hitlin, D.G.2
- Kelsey, M.H.2
- Oyang, J.2
- Panetta, J.2
- Porter, F.2
- Weaver, M.2
- Chen, J.3
- Malchow, R.3
- Toki, W.3
- Yang, W.3
- 1. Institute of High Energy Physics, Beijing 100039, Peoples Republic of (China)
- 2. California Institute of Technology, Pasadena, California 91125 (United States)
- 3. Colorado State University, Fort Collins, Colorado 80523 (United States)
Description
We report first measurements of the branching fractions B(ψ2S→γη')=(1.54±0.31±0.20)x10-4 and B(ψ2S→γη)=(0.53±0.31±0.08)x10-4. The ψ(2S)→γη' result is consistent with expectations of a model that considers the possibility of η'-ηc(2S) mixing. The ratio of the ψ(2S)→γη' and ψ(2S)→γη rates is used to determine the pseudoscalar octet-singlet mixing angle. copyright 1998 The American Physical Society
Additional details
Publishing Information
- Journal Title
- Physical Review. D, Particles Fields
- Journal Volume
- 58
- Journal Issue
- 9
- Journal Page Range
- p. 097101
- ISSN
- 0556-2821
- CODEN
- PRVDAQ
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 30010494
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- BOUND STATE; BRANCHING RATIO; CHARM PARTICLES; CHARMONIUM; ETA MESONS; PARTICLE DECAY; QUARKS; RADIATIVE DECAY
- Descriptors DEC
- BOSONS; DECAY; ELEMENTARY PARTICLES; FERMIONS; HADRONS; MESONS; PARTICLE DECAY; PSEUDOSCALAR MESONS; QUARKONIUM