Study of $J/ψ → ωp\overline{p}$ at BESIII

M Ablikim,H X Yang, Z P Zhang,B Q Wang,T Hussain,H W Yu,T Held,C L Liu,G Varner,F H Liu,W X Gong,Z Y He,Ximing Tang,Q A Malik,Ling Zhao,J F Qiu,R A Briere,Q G Wen,A Zhemchugov,K Goetzen,J S Yu,S L Olsen,H M Hu,K Peters,I Tapan,Y G Xie,Xu Chen,Y F Wang,Z Y Deng,S A Cetin,Ming Wang,S Pacetti,Bing Zheng,Y P Chu,Z G Zhao,Y J Mao,I Boyko,S X Du, H L Dai,M Destefanis,G M Huang,H P Cheng, M Leyhe,Y P Guo,Y B Zhao,X H Zhao,P L Wang,Teng Ma,Y H Zhang,K Y Liu,C C Zhang,O Fuks,M N Achasov,C H Li,K Moriya,U Wiedner,Y H Guan,B Y Zhang,T Hu,X T Huang,Z B Li,Zhaoyong Jiao,X Y Song,D Lin,J C Li,J L Ping,R E Mitchell,G Rong,Lei Li,H Y Sheng,Fengxia Xue,D M Li,E Prencipe,Z Ning,A Calcaterra,Y P Huang,X L Li,T C Zhao,Nan Wu,S S Fang,Lei Zhou, F C Ma,I Uman,A Q Guo, B J Liu,A V Sarantsev,Weixiang Wu,C Z Yuan,L G Xia,Q P Ji,L Q Qin, Qiusheng An,A G Denig,J S Lange,D V Dedovich,Lili Zhang,J S Huang,A Zallo, C X Yu, D Y Wang,Z R Xu,J Z Zhang,C D Fu,O Cakir,K L He,E H Thorndike,J P Zheng, S L Zang,M Shao,Z A Zhu,M Qi,Z A Liu,S P Wen,G F Cao,O Bondarenko,Zhonghua Xue,O Albayrak,X Y Shen, Y B Liu,C F Qiao,Y T Gu,J C Chen,S J Chen, H B Li,X L Wang,J B Jiao,Y Nefedov,F E Maas,L Fava,F F An,H J Lu,L L Jiang,B D Schaefer,R Baldini Ferroli,G M Xu,H Liang,Y H Zheng,Y X Xia, L H Wu,M He, B X Yu,Z H Qin,J L Fu,N Kalantarnayestanaki,Yan Ding,Guoyan Zhao,X Cai,C Nicholson,D H Sun, C L Luo,Q Ouyang,C Zhu,C P Shen,Li Yan,B Spruck,K X Zhao,H P Peng,M X Luo,Qiang Liu,M Pelizaeus,Y P Lu,Jian Fang,S L Li,Hui Ye,Z J Sun,W D Li,X L Luo, L Y Dong,J B Wei,B Zhong,R Poling, S B Liu,J Min,W Gradl,T J Min,Philip L Liu,L B Guo, Qiaohui Zhao,B S Zou,C Q Feng,X S Jiang,X L Ji,H Loehner,H Muramatsu,Guo Li,C J Tang,M Ullrich,E Boger,M Maggiora,Z L Hou,S H Zhu,Z P Mao,Jeffrey M Becker,X T Liao,Y H Yan,J F Chang,M Kavatsyuk,M L Chen,Sijin Qian,M R Shepherd,Z G Wang,C Hu,Y B Chen,F A Harris,Xi Peng Xu,S G Wang,Kai Wang,X Y Ma, J F Sun,Y Z Sun,C Geng,C Morales Morales,S S Sun,M Bertani,K J Zhu,J Z Bai,M H Ye,Q M Ma,K H Rashid, Y S Zhu,Q J Wang,D P Jin,Y Ban,S J Zhao,M G Zhao, H L Ma,V Bytev,J W Zhao,J M Bian,Kai Li,D Croninhennessy,Y Zeng,D H Wei,M H Gu,H Moeini,T Luo,J G Messchendorp,R G Ping,G R Lu,H S Chen,S P Yu,N Yu Muchnoi,D H Zhang,J H Zou,M Greco,H S Zhao,G R Liao, P Weidenkaff,X D Ruan,C S Ji, Zhuangfei Wu,J V Bennett,X R Zhou,I Denysenko,S H Zhang,Yang Gao,M Kornicer,I B Nikolaev,G Chen,Tzongyih Guo,W M Song,P Larin,Li Huang,M Y Dong,M Lv,Wei Lai,X H Mo,W Kuehn,X S Qin,J F Hu,P Friedel,Y Qin,H H Zhang, Q J Li,D Toth,L L Wang,W B Yan,S Spataro,F F Jing,J W Park,Rui Zhang,X Y Zhang,Feng Li,Z J Xiao,Y T Liang,J P Dai,Q N Xu,J G Lu, M Werner,X R Lu,X Liu,A A Zafar,C L Ma,B Kopf,Jihua Zhuang,S X Wu,S Jin,Yue Yuan, Q L Xiu,Y X Yang,G A Chelkov,Hui Cai,D Ambrose,W M Ding,H W Liu,X L Zhu, Q W Lu,Y K Heng,G X Sun,J P Liu,Y L Han,S Ma

PHYSICAL REVIEW D（2013）

引用 36|浏览216

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摘要

The decay J/psi -> omega p (p) over bar has been studied, using 225.3 X 10(6) J/psi events accumulated at BESIII. No significant enhancement near the p (p) over bar invariant-mass threshold [denoted as X(p (p) over bar)] is observed. The upper limit of the branching fraction B(J/psi -> omega X(p (p) over bar) -> omega p (p) over bar is determined to be 3.9 X 10(-6) at the 95% confidence level. The branching fraction of J/psi -> omega p (p) over bar is measured to be B(J/psi -> omega p (p) over bar) = (9.0 +/- 0.2(stat) +/- 0. 9(syst) X 10(-4).

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