Measurement of chi(cJ) decaying into eta ' K+K-

M Ablikim,M N Achasov,X C Ai,O Albayrak,M Albrecht,D Ambrose, F F An, Q An, J Z Bai,R Baldini Ferroli, Y Ban,J V Bennett,M Bertani,J M Bian,E Boger, O Bondarenko, I Boyko,Scott A Braun, R A Briere,Hui Cai,Xiaoqiang Cai,O Cakir,A Calcaterra,G F Cao, S A Cetin,J F Chang, G A Chelkov,G Chen, H S Chen, J C Chen,M L Chen, S J Chen,X R Chen,Y B Chen,H P Cheng,X K Chu,Y P Chu,D Croninhennessy,H L Dai,J P Dai,D V Dedovich,Z Y Deng,A G Denig,I Denysenko,M Destefanis,W M Ding, Y Ding,Changqing Dong,Jinxiang 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,Qingyu Gao,Yuanning Gao, 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,Tao Guo,Y P Guo,Y L Han,F A Harris,K L He, Mingke He,Z Y He,T Held,Y K Heng,Z L Hou,C Hu,H M Hu,J F Hu, T Hu,G S Huang,H P Huang,J S Huang, Liangbin Huang,X T Huang,Yuehmin Huang,T Hussain,C S Ji,Q P Ji,X L Ji,L W Jiang,X S Jiang,J B Jiao,Z Jiao,D P Jin, S Jin,Tord Johansson,N Kalantarnayestanaki,X S Kang,M Kavatsyuk, B Kloss, B Kopf,M Kornicer,W Kuehn,A Kupsc,Weichih Lai, J S Lange, Monica R Lara,P Larin, M Leyhe,C H Li,D M Li,Fuyou Li,Guiquan Li,H B Li,J C Li,K Li,Lei Li,P R Li,Q J Li, T Li,W G Li,X Q Li,Z B Li,H Liang,Y T Liang,D X Lin, B J Liu, C L Liu,F H Liu,H H Liu,J P Liu, K Y Liu, P L Liu,Qinhuo Liu, S B Liu,Xiaopeng Liu, Y B Liu,Z A Liu, H Loehner,X C Lou,G R Lu,H L Lu,J G Lu,X R Lu,Y P Lu, C L Luo, M X Luo,Tao Luo, X L Luo,Min Lv,F C Ma,H L Ma,Q M Ma,S Ma, Tonghui 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,I B Nikolaev, Z Ning,S Nisar,X Y Niu,S L Olsen, Q Ouyang,Stephen D Pacetti,M Pelizaeus,H P Peng,K Peters, J L Ping,R G Ping, R Poling, N Q, M Qi,Sijin Qian,C F Qiao,L Q 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 V Sarantsev,Karin Schonning,S Schumann,Wenpo 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 Z Sun,Z T Sun,C J Tang,Xiaoou Tang,I Tapan, E H Thorndike,D Toth,M Ullrich, I Uman, G Varner,Bo Wang, D Y Wang,Ke Wang,L S Wang,M Wang,P L Wang,Qi Jie Wang,S G Wang, Wenyue Wang,X F Wang,Y Q 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,Zijun Wu,L G Xia,Youshen Xia,D Xiao,Z J Xiao,Y G Xie,Q L Xiu,G F Xu, Le Xu, Q J Xu,X P Xu,Zhonghua Xue,Liang Yan,W C Yan, Y H Yan,H X Yang,L Yang,Y X Yang,Hui 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,Yuan Yuan, A Yuncu,A A Zafar, A Zallo,S L Zang,Yunbo Zeng, B Y Zhang,C C Zhang,D H Zhang,H H Zhang,Jing J Zhang,S H Zhang,X J Zhang,Y H Zhang,Z H Zhang,G Zhao,J W Zhao,Lei Zhao,M G Zhao,Q W Zhao,S J Zhao,T C Zhao,X H Zhao,Y B Zhao,Z G Zhao, A Zhemchugov,Bojian Zheng,J P Zheng, Y H Zheng,Bineng Zhong,Li Zhou,X K Zhou, K J Zhu, X L Zhu,Yu Cheng Zhu,Z A Zhu,J Zhuang, B S Zou,J H Zou

PHYSICAL REVIEW D（2014）

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摘要

Using (106.41 +/- 0.86) x 10(6) Psi(3686) events collected with the BESIII detector at BEPCII, we study for the first time the decay chi(cJ) -> eta'K+K- (J = 1, 2), where eta' -> gamma rho(0) and eta' -> eta pi(+)pi(-). A partial wave analysis in the covariant tensor amplitude formalism is performed for the decay chi(c1) -> eta'K+K-. Intermediate processes chi(c1) -> eta'f(2)'(1525) chi(c1) -> K-0*(1430)K-+/-(-/+) (K-0*(1430)(+/-) -> eta'K-+/-) are observed with statistical significances larger than 5 sigma, and their branching fractions are measured.

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