ITA
ENG

Partial wave analysis of J/psi -> gamma(K+K-pi(+)pi(-))

Authors

Bai, JZ Ban, Y Bian, JG Chen, AD Chen, GP Chen, HF Chen, HS Chen, JC Chen, XD Chen, Y Chen, YB Cheng, BS Cui, XZ Ding, HL Dong, LY Du, ZZ Gao, CS Gao, ML Gao, SQ Gu, JH Gu, SD Gu, WX Guo, YN Guo, ZJ Han, SW Han, Y He, J He, JT He, KL He, M Heng, YK Hu, GY Hu, HM Hu, JL Hu, QH Hu, T Huang, GS Huang, XP Huang, YZ Jiang, CH Jin, Y Ju, X Ke, ZJ Lai, YF Lang, PF Li, CG Li, D Li, HB Li, J Li, JC Li, PQ Li, W Li, WG Li, XH Li, XN Li, XQ Li, ZC Liu, B Liu, F Liu, F Liu, HM Liu, J Liu, JP Liu, RG Liu, Y Liu, ZX Lu, GR Lu, F Lu, JG Luo, XL Ma, EC Ma, JM Mao, HS Mao, ZP Meng, XC Mo, XH Nie, J Qi, ND Qi, XR Qian, CD Qiu, JF Qu, YH Que, YK Rong, G Shao, YY Shen, BW Shen, DL Shen, H Shen, HY Shen, XY Shi, F Shi, HZ Song, XF Sun, HS Sun, LF Sun, YZ Tang, SQ Tong, GL Wang, F Wang, L Wang, LS Wang, LZ Wang, P Wang, PL Wang, SM Wang, YY Wang, ZY Wei, CL Wu, N Wu, YG Xi, DM Xia, XM Xie, Y Xie, YH Xu, GF Xue, ST Yan, J Yan, WG Yang, CM Yang, CY Yang, HX Yang, XF Ye, MH Ye, SW Ye, YX Yu, CS Yu, CX Yu, GW Yu, YH Yu, ZQ Yuan, CZ Yuan, Y Zhang, BY Zhang, C Zhang, CC Zhang, DH Zhang, DH Zhang, HL Zhang, J Zhang, JW Zhang, L Zhang, L Zhang, LS Zhang, P Zhang, QJ Zhang, SQ Zhang, XY Zhang, YY Zhao, DX Zheng, JP Zheng, LS Zheng, ZP Zhou, BQ Zhou, L Zhu, KJ Zhu, QM Zhu, YC Zhu, YX Zhu, ZA Zhuang, BA Bugg, DV Zou, BS

Citation

Jz. Bai et al., Partial wave analysis of J/psi -> gamma(K+K-pi(+)pi(-)), PHYS LETT B, 472(1-2), 2000, pp. 200-206

Citations number

Categorie Soggetti

Physics

Journal title

PHYSICS LETTERS B

ISSN journal

03702693 → ACNP

Volume

472

Issue

1-2

Year of publication

2000

Pages

200 - 206

Database

ISI

SICI code

0370-2693(20000113)472:1-2<200:PWAOJ->2.0.ZU;2-3

Abstract

BES data on J/psi --> gamma(K+K- pi(+)pi(-)) are presented. The K* (K) over bar* contribution peaks strongly near threshold. It is fitted with a broad 0(-+) resonance with mass M = 1800 +/- 100 MeV, width Gamma = 500 +/- 200 MeV. A broad 2(++) resonance peaking at 2020 MeV is also required with widt h similar to 500 MeV. There is further evidence for a 2(-+) component peaki ng at 2.55 GeV. The non-K* (K) over bar* contribution is close to phase spa ce; it peaks at 2.6 GeV and is very different from K * K (*) over bar. (C) 2000 Elsevier Science B.V. All rights reserved.