Ablikim, M; Achasov, MN; Ai, XC; Albayrak, O; Albrecht, M; Ambrose, DJ; Amoroso, A; An, FF; An, Q; Bai, JZ; Ferroli, R Baldini; Ban, Y; Bennett, DW; Bennett, JV; Bertani, M; Bettoni, D; Bian, JM; Bianchi, F; Boger, E; Bondarenko, O; Boyko, I; Briere, RA; Cai, H; Cai, X; Cakir, O; Calcaterra, A; Cao, GF; Cetin, SA; Chang, JF; Chelkov, G; Chen, G; Chen, HS; Chen, HY; Chen, JC; Chen, ML; Chen, SJ; Chen, X; Chen, XR; Chen, YB; Cheng, HP; Chu, XK; Cibinetto, G; Cronin-Hennessy, D; Dai, HL; Dai, JP; Dbeyssi, A; Dedovich, D; Deng, ZY; Denig, A; Denysenko, I; Destefanis, M; De Mori, F; Ding, Y; Dong, C; Dong, J; Dong, LY; Dong, MY; Du, SX; Duan, PF; Fan, JZ; Fang, J; Fang, SS; Fang, X; Fang, Y; Fava, L; Feldbauer, F; Felici, G; Feng, CQ; Fioravanti, E; Fritsch, M; Fu, CD; Gao, Q; Gao, XY; Gao, Y; Gao, Z; Garzia, I; Geng, C; Goetzen, K; Gong, WX; Gradl, W; Greco, M; Gu, MH; Gu, YT; Guan, YH; Guo, AQ

doi:10.1103/physrevd.92.012008

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Search for the isospin violating decay Y(4260)→J/ψηπ0

2015

Ablikim, M;
Achasov, MN;
Ai, XC;
Albayrak, O;
Albrecht, M;
Ambrose, DJ;
Amoroso, A;
An, FF;
An, Q;
Bai, JZ;
Ferroli, R Baldini;
Ban, Y;
Bennett, DW;
Bennett, JV;
Bertani, M;
Bettoni, D;
Bian, JM;
Bianchi, F;
Boger, E;
Bondarenko, O;
Boyko, I;
Briere, RA;
Cai, H;
Cai, X;
Cakir, O;
Calcaterra, A;
Cao, GF;
Cetin, SA;
Chang, JF;
Chelkov, G;
Chen, G;
Chen, HS;
Chen, HY;
Chen, JC;
Chen, ML;
Chen, SJ;
Chen, X;
Chen, XR;
Chen, YB;
Cheng, HP;
Chu, XK;
Cibinetto, G;
Cronin-Hennessy, D;
Dai, HL;
Dai, JP;
Dbeyssi, A;
Dedovich, D;
Deng, ZY;
Denig, A;
Denysenko, I;
Destefanis, M;
De Mori, F;
Ding, Y;
Dong, C;
Dong, J;
Dong, LY;
Dong, MY;
Du, SX;
Duan, PF;
Fan, JZ;
Fang, J;
Fang, SS;
Fang, X;
Fang, Y;
Fava, L;
Feldbauer, F;
Felici, G;
Feng, CQ;
Fioravanti, E;
Fritsch, M;
Fu, CD;
Gao, Q;
Gao, XY;
Gao, Y;
Gao, Z;
Garzia, I;
Geng, C;
Goetzen, K;
Gong, WX;
Gradl, W;
Greco, M;
Gu, MH;
Gu, YT;
Guan, YH;
Guo, AQ;
Guo, LB;
Guo, Y;
Guo, YP;
Haddadi, Z;
Hafner, A;
Han, S;
Han, YL;
Hao, XQ;
Harris, FA;
He, KL;
He, ZY;
Held, T;
Heng, YK;
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Hu, C;
Hu, HM;
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Kopf, B;
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N., X;
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Marcello, S;
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Mitchell, RE;
Mo, XH;
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Morales, C Morales;
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Xu, QN;
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Zhang, BX;
Zhang, BY;
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Zhang, HY;
Zhang, JJ;
Zhang, JL;
Zhang, JQ;
Zhang, JW;
Zhang, JY;
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Zhang, Y;
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Zhang, ZP;
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Zhao, JZ;
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Zhou, XY;
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Zhu, KJ;
Zhu, S;
Zhu, XL;
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Zhu, ZA;
Zhuang, J;
Zotti, L;
Zou, BS;
Zou, JH
et al.

Published Web Location

https://doi.org/10.1103/physrevd.92.012008

Creative Commons 'BY' version 4.0 license

Abstract

Using data samples collected at center-of-mass energies of √s= 4.009, 4.226, 4.257, 4.358, 4.416, and 4.599 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the isospin violating decay Y(4260) → J/ψηπ0. No signal is observed, and upper limits on the cross section σ(e+e− → J/ψηπ0) at the 90% confidence level are determined to be 3.6, 1.7, 2.4, 1.4, 0.9, and 1.9 pb, respectively.

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Search for the isospin violating decay Y(4260)→J/ψηπ0

Published Web Location