Evidence of ψ(3770) non-DD̄ decay to J/ψπ +π -

J. Z. Bai; Y. Ban; J. G. Bian; X. Cai; J. F. Chang; H. F. Chen; H. S. Chen; J. Chen; J. C. Chen; Y. B. Chen; S. P. Chi; Y. P. Chu; X. Z. Cui; Y. M. Dai; Y. S. Dai; L. Y. Dong; S. X. Du; Z. Z. Du; J. Fang; S. S. Fang; C. D. Fu; H. Y. Fu; L. P. Fu; C. S. Gao; M. L. Gao; Y. N. Gao; M. Y. Gong; W. X. Gong; S. D. Gu; Y. N. Guo; Y. Q. Guo; Z. J. Guo; S. W. Han; F. A. Harris; J. He; K. L. He; M. He; X. He; Y. K. Heng; T. Hong; H. M. Hu; T. Hu; G. S. Huang; L. Huang; X. P. Huang; X. B. Ji; C. H. Jiang; X. S. Jiang; D. P. Jin; S. Jin; Y. Jin; Z. J. Ke; Y. F. Lai; F. Li; G. Li; H. H. Li; J. Li; J. C. Li; K. Li; Q. J. Li; R. B. Li; R. Y. Li; W. Li; W. G. Li; X. Q. Li; X. S. Li; C. F. Liu; C. X. Liu; Fang Liu; F. Liu; H. M. Liu; J. B. Liu; J. P. Liu; R. G. Liu; Y. Liu; Z. A. Liu; Z. X. Liu; G. R. Lu; F. Lu; H. J. Lu; J. G. Lu; Z. J. Lu; X. L. Luo; E. C. Ma; F. C. Ma; J. M. Ma; L. L. Ma; Z. P. Mao; X. C. Meng; X. H. Mo; J. Nie; Z. D. Nie; S. L. Olsen; H. P. Peng; N. D. Qi; C. D. Qian; J. F. Qiu; G. Rong; D. L. Shen

doi:10.1016/j.physletb.2004.11.029

Evidence of ψ(3770) non-DD̄ decay to J/ψπ ⁺π ^-

J. Z. Bai, Y. Ban, J. G. Bian, X. Cai, J. F. Chang, H. F. Chen, H. S. Chen, J. Chen, J. C. Chen, Y. B. Chen, S. P. Chi, Y. P. Chu, X. Z. Cui, Y. M. Dai, Y. S. Dai, L. Y. Dong, S. X. Du, Z. Z. Du, J. Fang, S. S. FangC. D. Fu, H. Y. Fu, L. P. Fu, C. S. Gao, M. L. Gao, Y. N. Gao, M. Y. Gong, W. X. Gong, S. D. Gu, Y. N. Guo, Y. Q. Guo, Z. J. Guo, S. W. Han, F. A. Harris, J. He, K. L. He, M. He, X. He, Y. K. Heng, T. Hong, H. M. Hu, T. Hu, G. S. Huang, L. Huang, X. P. Huang, X. B. Ji, C. H. Jiang, X. S. Jiang, D. P. Jin, S. Jin, Y. Jin, Z. J. Ke, Y. F. Lai, F. Li, G. Li, H. H. Li, J. Li, J. C. Li, K. Li, Q. J. Li, R. B. Li, R. Y. Li, W. Li, W. G. Li, X. Q. Li, X. S. Li, C. F. Liu, C. X. Liu, Fang Liu, F. Liu, H. M. Liu, J. B. Liu, J. P. Liu, R. G. Liu, Y. Liu, Z. A. Liu, Z. X. Liu, G. R. Lu, F. Lu, H. J. Lu, J. G. Lu, Z. J. Lu, X. L. Luo, E. C. Ma, F. C. Ma, J. M. Ma, L. L. Ma, Z. P. Mao, X. C. Meng, X. H. Mo, J. Nie, Z. D. Nie, S. L. Olsen, H. P. Peng, N. D. Qi, C. D. Qian, J. F. Qiu, G. Rong, D. L. Shen

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Abstract

Evidence of ψ(3770) decays to a non-DD̄ final state is observed. A total of 11.8±4.8±1.3 ψ(3770)→J/ψπ+π- events are obtained from a data sample of 27.7 pb ^-1 taken at center-of-mass energies around 3.773 GeV using the BES-II detector at the BEPC. The branching fraction is determined to be BF(ψ(3770)→J/ψπ+π-)=(0. 34±0.14±0.09)%, corresponding to the partial width of Γ(ψ(3770)→J/ψπ+π-)=(80±33±23) keV.

Original language	English
Pages (from-to)	63-71
Number of pages	9
Journal	Physics Letters B
Volume	605
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2004.11.029
State	Published - Jan 6 2005

Funding

We would like to thank the BEPC staff for their strong efforts and the members of the IHEP computing center for their helpful assistance. We acknowledge Professor Yu-Ping Kuang and Professor Kuang-Ta Chao for many helpful discussions on the non- D D ¯ decay of ψ ( 3770 ) . This work is supported in part by the National Natural Science Foundation of China under contracts Nos. 19991480, 10225524, 10225525, the Chinese Academy of Sciences under contract No. KJ 95T-03, the 100 Talents Program of CAS under Contract Nos. U-24, U-25, and the Knowledge Innovation Project of CAS under Contract Nos. U-602, U-34(IHEP); by the National Natural Science Foundation of China under Contract No. 10175060(USTC); and by the Department of Energy under Contract No. DE-FG03-94ER40833 (U Hawaii).

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10.1016/j.physletb.2004.11.029

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Bai, J. Z., Ban, Y., Bian, J. G., Cai, X., Chang, J. F., Chen, H. F., Chen, H. S., Chen, J., Chen, J. C., Chen, Y. B., Chi, S. P., Chu, Y. P., Cui, X. Z., Dai, Y. M., Dai, Y. S., Dong, L. Y., Du, S. X., Du, Z. Z., Fang, J., ... Shen, D. L. (2005). Evidence of ψ(3770) non-DD̄ decay to J/ψπ ⁺π ^- Physics Letters B, 605(1-2), 63-71. https://doi.org/10.1016/j.physletb.2004.11.029

@article{3ecae55933044d0b89439f4b311dba6c,

title = "Evidence of ψ(3770) non-D{\=D} decay to J/ψπ +π - ",

abstract = "Evidence of ψ(3770) decays to a non-D{\=D} final state is observed. A total of 11.8±4.8±1.3 ψ(3770)→J/ψπ+π- events are obtained from a data sample of 27.7 pb -1 taken at center-of-mass energies around 3.773 GeV using the BES-II detector at the BEPC. The branching fraction is determined to be BF(ψ(3770)→J/ψπ+π-)=(0. 34±0.14±0.09)\%, corresponding to the partial width of Γ(ψ(3770)→J/ψπ+π-)=(80±33±23) keV.",

author = "Bai, \{J. Z.\} and Y. Ban and Bian, \{J. G.\} and X. Cai and Chang, \{J. F.\} and Chen, \{H. F.\} and Chen, \{H. S.\} and J. Chen and Chen, \{J. C.\} and Chen, \{Y. B.\} and Chi, \{S. P.\} and Chu, \{Y. P.\} and Cui, \{X. Z.\} and Dai, \{Y. M.\} and Dai, \{Y. S.\} and Dong, \{L. Y.\} and Du, \{S. X.\} and Du, \{Z. Z.\} and J. Fang and Fang, \{S. S.\} and Fu, \{C. D.\} and Fu, \{H. Y.\} and Fu, \{L. P.\} and Gao, \{C. S.\} and Gao, \{M. L.\} and Gao, \{Y. N.\} and Gong, \{M. Y.\} and Gong, \{W. X.\} and Gu, \{S. D.\} and Guo, \{Y. N.\} and Guo, \{Y. Q.\} and Guo, \{Z. J.\} and Han, \{S. W.\} and Harris, \{F. A.\} and J. He and He, \{K. L.\} and M. He and X. He and Heng, \{Y. K.\} and T. Hong and Hu, \{H. M.\} and T. Hu and Huang, \{G. S.\} and L. Huang and Huang, \{X. P.\} and Ji, \{X. B.\} and Jiang, \{C. H.\} and Jiang, \{X. S.\} and Jin, \{D. P.\} and S. Jin and Y. Jin and Ke, \{Z. J.\} and Lai, \{Y. F.\} and F. Li and G. Li and Li, \{H. H.\} and J. Li and Li, \{J. C.\} and K. Li and Li, \{Q. J.\} and Li, \{R. B.\} and Li, \{R. Y.\} and W. Li and Li, \{W. G.\} and Li, \{X. Q.\} and Li, \{X. S.\} and Liu, \{C. F.\} and Liu, \{C. X.\} and Fang Liu and F. Liu and Liu, \{H. M.\} and Liu, \{J. B.\} and Liu, \{J. P.\} and Liu, \{R. G.\} and Y. Liu and Liu, \{Z. A.\} and Liu, \{Z. X.\} and Lu, \{G. R.\} and F. Lu and Lu, \{H. J.\} and Lu, \{J. G.\} and Lu, \{Z. J.\} and Luo, \{X. L.\} and Ma, \{E. C.\} and Ma, \{F. C.\} and Ma, \{J. M.\} and Ma, \{L. L.\} and Mao, \{Z. P.\} and Meng, \{X. C.\} and Mo, \{X. H.\} and J. Nie and Nie, \{Z. D.\} and Olsen, \{S. L.\} and Peng, \{H. P.\} and Qi, \{N. D.\} and Qian, \{C. D.\} and Qiu, \{J. F.\} and G. Rong and Shen, \{D. L.\}",

year = "2005",

month = jan,

day = "6",

doi = "10.1016/j.physletb.2004.11.029",

language = "English",

volume = "605",

pages = "63--71",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "1-2",

}

Bai, JZ, Ban, Y, Bian, JG, Cai, X, Chang, JF, Chen, HF, Chen, HS, Chen, J, Chen, JC, Chen, YB, Chi, SP, Chu, YP, Cui, XZ, Dai, YM, Dai, YS, Dong, LY, Du, SX, Du, ZZ, Fang, J, Fang, SS, Fu, CD, Fu, HY, Fu, LP, Gao, CS, Gao, ML, Gao, YN, Gong, MY, Gong, WX, Gu, SD, Guo, YN, Guo, YQ, Guo, ZJ, Han, SW, Harris, FA, He, J, He, KL, He, M, He, X, Heng, YK, Hong, T, Hu, HM, Hu, T, Huang, GS, Huang, L, Huang, XP, Ji, XB, Jiang, CH, Jiang, XS, Jin, DP, Jin, S, Jin, Y, Ke, ZJ, Lai, YF, Li, F, Li, G, Li, HH, Li, J, Li, JC, Li, K, Li, QJ, Li, RB, Li, RY, Li, W, Li, WG, Li, XQ, Li, XS, Liu, CF, Liu, CX, Liu, F, Liu, F, Liu, HM, Liu, JB, Liu, JP, Liu, RG, Liu, Y, Liu, ZA, Liu, ZX, Lu, GR, Lu, F, Lu, HJ, Lu, JG, Lu, ZJ, Luo, XL, Ma, EC, Ma, FC, Ma, JM, Ma, LL, Mao, ZP, Meng, XC, Mo, XH, Nie, J, Nie, ZD, Olsen, SL, Peng, HP, Qi, ND, Qian, CD, Qiu, JF, Rong, G & Shen, DL 2005, 'Evidence of ψ(3770) non-DD̄ decay to J/ψπ ⁺π ^- ', Physics Letters B, vol. 605, no. 1-2, pp. 63-71. https://doi.org/10.1016/j.physletb.2004.11.029

TY - JOUR

T1 - Evidence of ψ(3770) non-DD̄ decay to J/ψπ +π -

AU - Bai, J. Z.

AU - Ban, Y.

AU - Bian, J. G.

AU - Cai, X.

AU - Chang, J. F.

AU - Chen, H. F.

AU - Chen, H. S.

AU - Chen, J.

AU - Chen, J. C.

AU - Chen, Y. B.

AU - Chi, S. P.

AU - Chu, Y. P.

AU - Cui, X. Z.

AU - Dai, Y. M.

AU - Dai, Y. S.

AU - Dong, L. Y.

AU - Du, S. X.

AU - Du, Z. Z.

AU - Fang, J.

AU - Fang, S. S.

AU - Fu, C. D.

AU - Fu, H. Y.

AU - Fu, L. P.

AU - Gao, C. S.

AU - Gao, M. L.

AU - Gao, Y. N.

AU - Gong, M. Y.

AU - Gong, W. X.

AU - Gu, S. D.

AU - Guo, Y. N.

AU - Guo, Y. Q.

AU - Guo, Z. J.

AU - Han, S. W.

AU - Harris, F. A.

AU - He, J.

AU - He, K. L.

AU - He, M.

AU - He, X.

AU - Heng, Y. K.

AU - Hong, T.

AU - Hu, H. M.

AU - Hu, T.

AU - Huang, G. S.

AU - Huang, L.

AU - Huang, X. P.

AU - Ji, X. B.

AU - Jiang, C. H.

AU - Jiang, X. S.

AU - Jin, D. P.

AU - Jin, S.

AU - Jin, Y.

AU - Ke, Z. J.

AU - Lai, Y. F.

AU - Li, F.

AU - Li, G.

AU - Li, H. H.

AU - Li, J.

AU - Li, J. C.

AU - Li, K.

AU - Li, Q. J.

AU - Li, R. B.

AU - Li, R. Y.

AU - Li, W.

AU - Li, W. G.

AU - Li, X. Q.

AU - Li, X. S.

AU - Liu, C. F.

AU - Liu, C. X.

AU - Liu, Fang

AU - Liu, F.

AU - Liu, H. M.

AU - Liu, J. B.

AU - Liu, J. P.

AU - Liu, R. G.

AU - Liu, Y.

AU - Liu, Z. A.

AU - Liu, Z. X.

AU - Lu, G. R.

AU - Lu, F.

AU - Lu, H. J.

AU - Lu, J. G.

AU - Lu, Z. J.

AU - Luo, X. L.

AU - Ma, E. C.

AU - Ma, F. C.

AU - Ma, J. M.

AU - Ma, L. L.

AU - Mao, Z. P.

AU - Meng, X. C.

AU - Mo, X. H.

AU - Nie, J.

AU - Nie, Z. D.

AU - Olsen, S. L.

AU - Peng, H. P.

AU - Qi, N. D.

AU - Qian, C. D.

AU - Qiu, J. F.

AU - Rong, G.

AU - Shen, D. L.

PY - 2005/1/6

Y1 - 2005/1/6

N2 - Evidence of ψ(3770) decays to a non-DD̄ final state is observed. A total of 11.8±4.8±1.3 ψ(3770)→J/ψπ+π- events are obtained from a data sample of 27.7 pb -1 taken at center-of-mass energies around 3.773 GeV using the BES-II detector at the BEPC. The branching fraction is determined to be BF(ψ(3770)→J/ψπ+π-)=(0. 34±0.14±0.09)%, corresponding to the partial width of Γ(ψ(3770)→J/ψπ+π-)=(80±33±23) keV.

AB - Evidence of ψ(3770) decays to a non-DD̄ final state is observed. A total of 11.8±4.8±1.3 ψ(3770)→J/ψπ+π- events are obtained from a data sample of 27.7 pb -1 taken at center-of-mass energies around 3.773 GeV using the BES-II detector at the BEPC. The branching fraction is determined to be BF(ψ(3770)→J/ψπ+π-)=(0. 34±0.14±0.09)%, corresponding to the partial width of Γ(ψ(3770)→J/ψπ+π-)=(80±33±23) keV.

UR - https://www.scopus.com/pages/publications/19944418239

U2 - 10.1016/j.physletb.2004.11.029

DO - 10.1016/j.physletb.2004.11.029

M3 - Article

AN - SCOPUS:19944418239

SN - 0370-2693

VL - 605

SP - 63

EP - 71

JO - Physics Letters B

JF - Physics Letters B

IS - 1-2

ER -

Evidence of ψ(3770) non-DD̄ decay to J/ψπ ⁺π ^-

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