Spin-parity analysis of $p\bar{p}$ mass threshold structure in $J/\psi$ and $\psi (3686)$ radiative decays

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dc.contributor.authorAblikim, M.en
dc.contributor.authorAchasov, M.N.en
dc.contributor.authorAlberto, D.en
dc.contributor.authorAmbrose, D.J.en
dc.contributor.authorAn, F.F.en
dc.contributor.authorAn, Q.en
dc.contributor.authorAn, Z.H.en
dc.contributor.authorBai, J.Z.en
dc.contributor.authorBaldini Ferroli, R.B.F.en
dc.contributor.authorBan, Y.en
dc.contributor.authorBecker, J.en
dc.contributor.authorBerger, N.en
dc.contributor.authorBertani, M.B.en
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dc.contributor.authorBoyko, I.en
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dc.contributor.authorCai, X.en
dc.contributor.authorCalcaterra, A.C.en
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dc.contributor.authorChang, J.F.en
dc.contributor.authorChelkov, G.en
dc.contributor.authorChen, G.en
dc.contributor.authorChen, H.S.en
dc.contributor.authorChen, J.C.en
dc.contributor.authorChen, M.L.en
dc.contributor.authorChen, S.J.en
dc.contributor.authorChen, Y.en
dc.contributor.authorChen, Y.B.en
dc.contributor.authorCheng, H.P.en
dc.contributor.authorChu, Y.P.en
dc.contributor.authorCronin-Hennessy, D.en
dc.contributor.authorDai, H.L.en
dc.contributor.authorDai, J.P.en
dc.contributor.authorDedovich, D.en
dc.contributor.authorDeng, Z.Y.en
dc.contributor.authorDenysenko, I.en
dc.contributor.authorDestefanis, M.en
dc.contributor.authorDing Ding, W.L.en
dc.contributor.authorDing, Y.en
dc.contributor.authorDong, L.Y.en
dc.contributor.authorDong, M.Y.en
dc.contributor.authorDu, S.X.en
dc.contributor.authorFang, J.en
dc.contributor.authorFang, S.S.en
dc.contributor.authorFeng, C.Q.en
dc.contributor.authorFu, C.D.en
dc.contributor.authorFu, J.L.en
dc.contributor.authorGao, Y.en
dc.contributor.authorGeng, C.en
dc.contributor.authorGoetzen, K.en
dc.contributor.authorGong, W.X.en
dc.contributor.authorGreco, M.en
dc.contributor.authorGu, M.H.en
dc.contributor.authorGu, Y.T.en
dc.contributor.authorGuan, Y.H.en
dc.contributor.authorGuo, A.Q.en
dc.contributor.authorGuo, L.B.en
dc.contributor.authorGuo, Y.P.en
dc.contributor.authorHan, Y.L.en
dc.contributor.authorHao, X.Q.en
dc.contributor.authorHarris, F.A.en
dc.contributor.authorHe, K.L.en
dc.contributor.authorHe, M.en
dc.contributor.authorHe, Z.Y.en
dc.contributor.authorHeng, Y.K.en
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dc.contributor.authorLi, C.en
dc.contributor.authorLi, D.M.en
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dc.contributor.authorLi, X.N.en
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dc.contributor.authorLiu, C.Y.en
dc.contributor.authorLiu, F.H.en
dc.contributor.authorLiu, F.en
dc.contributor.authorLiu, F.en
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dc.contributor.authorLiu, H.B.en
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dc.contributor.authorLiu, H.M.en
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dc.contributor.authorLiu, J.P.en
dc.contributor.authorLiu, K.en
dc.contributor.authorLiu, K.en
dc.contributor.authorLiu, K.Y.en
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dc.contributor.authorMaggiora, M.en
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dc.contributor.authorWang, Z.en
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dc.contributor.authorWen, Q.G.en
dc.contributor.authorWen, S.P.en
dc.contributor.authorWiedner, U.en
dc.contributor.authorWu, L.H.en
dc.contributor.authorWu, N.en
dc.contributor.authorWu, W.en
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dc.contributor.authorXue, Z.en
dc.contributor.authorYan, L.en
dc.contributor.authorYan, W.B.en
dc.contributor.authorYan, Y.H.en
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dc.contributor.authorYe, M.en
dc.contributor.authorYe, M.H.en
dc.contributor.authorYu, B.X.en
dc.contributor.authorYu, C.X.en
dc.contributor.authorYu, S.P.en
dc.contributor.authorYuan, C.Z.en
dc.contributor.authorYuan, W.L.en
dc.contributor.authorYuan, Y.en
dc.contributor.authorZafar, A.A.en
dc.contributor.authorZallo, A.Z.en
dc.contributor.authorZeng, Y.en
dc.contributor.authorZhang, B.X.en
dc.contributor.authorZhang, B.Y.en
dc.contributor.authorZhang, C.C.en
dc.contributor.authorZhang, D.H.en
dc.contributor.authorZhang, H.H.en
dc.contributor.authorZhang, H.Y.en
dc.contributor.authorZhang, J.en
dc.contributor.authorZhang, J.Q.en
dc.contributor.authorZhang, J.W.en
dc.contributor.authorZhang, J.Y.en
dc.contributor.authorZhang, J.Z.en
dc.contributor.authorZhang, L.en
dc.contributor.authorZhang, S.H.en
dc.contributor.authorZhang, T.Ren
dc.contributor.authorZhang, X.J.en
dc.contributor.authorZhang, X.Y.en
dc.contributor.authorZhang, Y.en
dc.contributor.authorZhang, Y.H.en
dc.contributor.authorZhang, Y.S.en
dc.contributor.authorZhang, Z.P.en
dc.contributor.authorZhang, Z.Y.en
dc.contributor.authorZhao, G.en
dc.contributor.authorZhao, H.S.en
dc.contributor.authorZhao, J.en
dc.contributor.authorZhao, L.en
dc.contributor.authorZhao, L.en
dc.contributor.authorZhao, M.G.en
dc.contributor.authorZhao, Q.en
dc.contributor.authorZhao, S.J.en
dc.contributor.authorZhao, T.C.en
dc.contributor.authorZhao, X.H.en
dc.contributor.authorZhao, Y.B.en
dc.contributor.authorZhao, Z.G.en
dc.contributor.authorZhemchugov, A.en
dc.contributor.authorZheng, B.en
dc.contributor.authorZheng, J.P.en
dc.contributor.authorZheng, Y.H.en
dc.contributor.authorZheng, Z.P.en
dc.contributor.authorZhong, B.en
dc.contributor.authorZhong, J.en
dc.contributor.authorZhou, L.en
dc.contributor.authorZhou, X.K.en
dc.contributor.authorZhou, X.R.en
dc.contributor.authorZhu, C.en
dc.contributor.authorZhu, K.en
dc.contributor.authorZhu, K.J.en
dc.contributor.authorZhu, S.H.en
dc.contributor.authorZhu, X.L.en
dc.contributor.authorZhu, X.W.en
dc.contributor.authorZhu, Y.S.en
dc.contributor.authorZhu, Z.A.en
dc.contributor.authorZhuang, J.en
dc.contributor.authorZou, B.S.en
dc.contributor.authorZou, J.H.en
dc.contributor.authorZuo, J.X.en
dc.date.accessioned2014-09-08T15:14:36Zen
dc.date.available2014-09-08T15:14:36Zen
dc.date.issued2012en
dc.description.abstractA partial wave analysis of the $p\bar{p}$ mass-threshold enhancement in the reaction $J/\psi\rightarrow\gamma p\bar{p}$ is used to determine its $J^\text{PC}$ quantum numbers to be $0^{-+}$, its peak mass to be below threshold at $M=1832_{-5}^{+19}(\text{stat})_{-17}^{+18}(\text{syst})±19(\text{model})$ $\text{MeV}/c^2$, and its total width to be $\Gamma <76$ $\text{MeV}/c^2$ at the 90% C.L. The product of branching ratios is measured to be $\text{BR}[J/\psi\rightarrow\gamma X(p\bar{p})]$ $\text{BR}[X(p\bar{p})\rightarrow p\bar{p}]=[9.0_{-1.1}^{+0.4}(\text{stat})_{-5.0}^{+1.5}(\text{syst})±2.3(\text{model})]×10^{-5}$. A similar analysis performed on $\psi (3686)\rightarrow\gamma p\bar{p}$ decays shows, for the first time, the presence of a corresponding enhancement with a production rate relative to that for $J/\psi$ decays of $R=[5.08_{-0.45}^{+0.71}(\text{stat})_{-3.58}^{+0.67}(\text{syst}) ±0.12(\text{model})]%$.en
dc.identifier.citationAblikim, M., Achasov, M. N., Alberto, D., Ambrose, D. J., An, F. F., An, Q., . . . Zuo, J. X. (2012). Spin-parity analysis of $p\bar{p}$ mass threshold structure in $J/\psi$ and $\psi (3686)$ radiative decays. Physical Review Letters, 108(11), 112003. http://dx.doi.org/10.1103/PhysRevLett.108.112003en
dc.identifier.urihttps://hdl.handle.net/2022/18708
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.relation.isversionofhttps://doi.org/10.1103/PhysRevLett.108.112003en
dc.rights© 2012 American Physical Society.en
dc.subjectBranching ratioen
dc.subjectPartial wave analysisen
dc.subjectProduction ratesen
dc.subjectQuantum numbersen
dc.subjectRadiative decayen
dc.subjectSimilar analysisen
dc.subjectAtomic physicsen
dc.subjectPhysicsen
dc.subjectQuantum theoryen
dc.titleSpin-parity analysis of $p\bar{p}$ mass threshold structure in $J/\psi$ and $\psi (3686)$ radiative decaysen
dc.typeArticleen

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