Observation of pseudoscalar and tensor resonances inJ/ψ→γϕϕ

M Ablikim,A Zallo,I Uman,B Zheng,F De Mori,S Sosio,A Yuncu,S Marcello,X Chen,B Kloss,A Denig,F Feldbauer,Z Haddadi,M Savrié,W Gradl,Yu Zhang,Q Zhao,I Tapan,Z Zeng,C Li,R Farinelli,M Bertani,T Johansson,A Hafner,M Ullrich,F Li,Z Wu,F Bianchi,S Jin,Lei Li,M Ye,Q Gao,T Weber,Jin Li,Y Fang,M Fritsch,L Zotti,K Zhu,K Goetzen,G Chen,Ling Zhao,Ch Rosner,H Cai,M Maggiora,L Yan,R Poling,V Prasad,U Wiedner,Feng Liu,A Sarantsev,B Zhong,P Weidenkaff,Y Yuan,Z Jiao,J Pettersson,M Albrecht,Y Ding,Z Gao,Y Zeng,W Wang,Q Ouyang,J Fang,S Nisar,A Zhemchugov,T Hussain,S Spataro,K Liu,P Larin,K Zhang,C Leng,R Baldini Ferroli,R Kliemt,J Liu,Y Lu,Fang Liu,H Xiao,J Zhuang,A Calcaterra,F Nerling,M Ripka,K Li,L Yang,K Wang,T Luo,B Kopf,D Wang,M Greco,T Hu,G Cibinetto,L Fava,E Boger,P Kiese,Q An,X Cai,C Dong,O Albayrak,C Morales Morales,G Zhao,K Schoenning,M Pelizaeus,Y Hu,X Liu,Y Nefedov,D Bettoni,A Julin,M Qi,Q Liu,V Santoro,B Wang,L Xia,Y Xia,M Wolke,P Wang,Y Ban,S Schumann,I Garzia,Z Wang,Y Pan,M Wang,W Shan,Y Zhang,D Xiao,W Kühn,L Xu,Zhiqing Liu,Z Ning,G Rong,M Destefanis,M Kavatsyuk,S Han,X Tang,K Peters,J Dong,I Denysenko,A Dbeyssi,H Muramatsu,G Felici,Q Ji,T Li,T Held,E Fioravanti,M Tiemens,D Liu,L Zhang,G Li,C Zhang,M Shao,A Amoroso,M Kornicer,S Qian,S Pacetti,L Gong,Y Huang,Cheng Li,Y Gao,H Loehner,M Lara,N Qin,K Y Liu ,X Q Li ,Y Zheng ,P X Shen ,Hu Chen ,H P Cheng ,Y H Zhang ,F A Harris ,Y M ,X R Lyu ,L L Wang ,W C Yan ,Zhou Li ,T Zhao ,Z Zhao ,X Q Hao ,Y S Zhu ,Y B Zhao ,Y T Gu ,S L Niu ,X P Xu ,H X Yang ,G R Liao ,G X Sun ,B X Zhang ,Min Jiang ,D Ambrose ,B J Liu ,J Q Zhang ,H J Yang ,H H Zhang ,J F Qiu ,L L ,C Q Feng ,M Y Dong ,H L ,X Y Shen ,Oleg Fedorov ,K J Zhu ,Z H Qin ,Z T Sun ,C X Yu ,H Y Chen ,Y N Zhang ,L S Wang ,C C Zhang ,I R Boyko ,L W Jiang ,Z Y Zhang ,Y P Lu ,W L Yuan ,J F Chang ,Y J Mo ,Pengfei Duan ,J P Dai ,X H Mo ,X K Chu ,Y H Yan ,C P Shen ,B X Yu ,G F Cao ,S S Fang ,B Y Zhang ,Y B Chen ,H J Lü ,J H Yin ,P L Liu ,X L Gao ,X Zhu ,J G Lü ,S B Liu ,D M Li ,М Н Ачасов ,J Z Zhao ,J G Messchendorp ,M H Ye ,J B Liu ,D Y Wang ,D W Bennett ,Z A Liu ,S P Wen ,P L Wang ,Zhao Liu ,J B Jiao ,M X Luo ,F Y Li ,Han Liu ,F H Liu ,Y N Guo ,J C Chen ,R A Briere ,C F Qiao ,Z G Wang ,Z A Zhu ,Jiawei Zhao ,X Ai ,Z B Li ,X N ,X Lou ,J W Zhang ,C F Redmer ,Q Y Li ,K H Rashid ,J Fan ,D V Dedovich ,C D Fu ,Tian Ma ,D P Jin ,Qin Liu ,Y F Liang ,S J Zhao ,J J Zhang ,X L Luo ,F E Maas ,N Yu Muchnoi ,Z L Hou ,H Peng ,L Y Dong ,G S Huang ,H S Chen ,M H Gu ,Z P Mao ,W X Gong ,J P Liu ,H M Liu ,Xin Fang ,Yifan Yang ,S A Çetin ,A A Zafar ,Y T Liang ,Y Xie ,J C Li ,Z J Xiao ,R G Ping ,R E Mitchell ,H M Hu ,W D Li ,X Y Niu ,D H Zhang ,G A Chelkov ,J F Sun ,S G Wang ,X L Kang ,X F Wang ,H B Liu ,G Varner ,J S Huang ,B C Ke ,Y Mao ,S H Zhu ,P Patterí ,X N Li ,H L Dai ,Y Zhu ,L B Guo ,D X Lin ,X B Ji ,Z L Dou ,X L Ji ,X R Chen ,Y B Liu ,F F An ,B L Wang ,Y K Heng ,X Y Song ,H R Qi ,A Kupść ,X Y Gao ,P R Li ,Y T Zhang ,Y J Sun ,S L Olsen ,X T Huang ,I B Nikolaev ,J S Yu ,O Çakır ,W J Zheng ,Z Y Deng ,J Y Zhao ,K L He ,Y F Wang ,H B Li ,Zhi‐Wei Sun ,B S Zou ,Y Z Sun ,Y P Guo ,Z H Zhang ,N Kalantar‐Nayestanaki ,X Y Zhou ,C L Luo ,J Z Bai ,F C ,E H Thorndike ,X S Jiang ,X L Li ,C J Tang ,Y H Guan ,X Y Zhang ,H H Liu ,A Q Guo ,J L Ping ,L D Liu ,X K Zhou ,J B Wei ,M G Zhao ,X Y ,J Z Zhang ,S Sun ,X S Kang ,D H Wei ,X D Ruan ,J Y Zhang ,Y Q Wang ,H Y Zhang ,W P Wang ,C Z Yuan ,J P Zheng ,C X Liu ,O B Kolcu ,W M Song ,J V Bennett ,Z P Zhang ,J Y Liu ,Q J Xu ,Z Y Wang ,Y D Wang ,J M Bian ,Q M ,H Y Sheng ,W B Yan ,W G Li ,J S Lange ,Q Xu ,L H Wu ,S X Du ,M L Chen ,G F Xu ,J F Hu ,S J Chen ,X R Zhou ,Z H Wang ,X S Qin ,Q L Xiu ,X Y Jiang ,J L Zhang ,J H Zou

doi:10.1103/physrevd.93.112011

Abstract

Based on a sample of (1310.6 +/- 10.5) x 10(6) J/psi events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay J/psi -> gamma phi phi is performed in order to study the intermediate states. Results of the partial wave analysis show that the structures are predominantly 0(-+) states. The existence of the eta(2225) is confirmed, and its resonance parameters are measured. Two additional pseudoscalar states, the eta(2100) with a mass of 2050(-24-26)(+30+75) MeV/c(2) and a width of 250(-30-164)(+36+181) MeV/c(2) and the X(2500) with a mass of 2470(-19-23)(+15+101) MeV/c(2) and a width of 230(-35-33)(+64+56) MeV/c(2), are observed. In addition to these three pseudoscalar states, the scalar state f(0)(2100), and three tensor states, the f(2)(2010), f(2)(2300) and f(2)(2340), are observed in the process J/psi -> gamma phi phi The product branching fractions B(J/psi -> gamma X) x B(X -> phi phi) are reported.

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