Observation of e+e- →η′J /ψ at center-of-mass energies between 4.189 and 4.600 GeV OBSERVATION of ... M. ABLIKIM et al.

M. Ablikim; M. N. Achasov; S. Ahmed; X. C. Ai; O. Albayrak; M. Albrecht; D. J. Ambrose; A. Amoroso; F. F. An; Q. An; J. Z. Bai; R. Baldini Ferroli; Y. Ban; D. W. Bennett; J. V. Bennett; N. Berger; M. Bertani; D. Bettoni; J. M. Bian; F. Bianchi; E. Boger; I. Boyko; R. A. Briere; H. Cai; X. Cai; O. Cakir; A. Calcaterra; G. F. Cao; S. A. Cetin; J. F. Chang; G. Chelkov; G. Chen; H. S. Chen; H. Y. Chen; J. C. Chen; M. L. Chen; S. Chen; S. J. Chen; X. Chen; X. R. Chen; Y. B. Chen; H. P. Cheng; X. K. Chu; G. Cibinetto; H. L. Dai; J. P. Dai; A. Dbeyssi; D. Dedovich; H. Muramatsu; R. Poling; BESIII Collaboration

doi:10.1103/PhysRevD.94.032009

Observation of e+e- →η′J /ψ at center-of-mass energies between 4.189 and 4.600 GeV OBSERVATION of ... M. ABLIKIM et al.

M. Ablikim, M. N. Achasov, S. Ahmed, X. C. Ai, O. Albayrak, M. Albrecht, D. J. Ambrose, A. Amoroso, F. F. An, Q. An, J. Z. Bai, R. Baldini Ferroli, Y. Ban, D. W. Bennett, J. V. Bennett, N. Berger, M. Bertani, D. Bettoni, J. M. Bian, F. BianchiE. Boger, I. Boyko, R. A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G. F. Cao, S. A. Cetin, J. F. Chang, G. Chelkov, G. Chen, H. S. Chen, H. Y. Chen, J. C. Chen, M. L. Chen, S. Chen, S. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, H. P. Cheng, X. K. Chu, G. Cibinetto, H. L. Dai, J. P. Dai, A. Dbeyssi, D. Dedovich, H. Muramatsu, R. Poling, BESIII Collaboration

Physics and Astronomy (Twin Cities)

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Abstract

The process e+e-→η′J/ψ is observed for the first time with a statistical significance of 8.6σ at center-of-mass energy s=4.226 GeV and 7.3σ at s=4.258 GeV using data samples collected with the BESIII detector. The Born cross sections are measured to be (3.7±0.7±0.3) and (3.9±0.8±0.3) pb at s=4.226 and 4.258 GeV, respectively, where the first errors are statistical and the second systematic. Upper limits at the 90% confidence level of the Born cross sections are also reported at other 12 energy points.

Original language	English (US)
Article number	032009
Journal	Physical Review D
Volume	94
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.94.032009
State	Published - Aug 23 2016

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© 2016 American Physical Society.

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Ablikim, M., Achasov, M. N., Ahmed, S., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Ferroli, R. B., Ban, Y., Bennett, D. W., Bennett, J. V., Berger, N., Bertani, M., Bettoni, D., Bian, J. M., ... BESIII Collaboration (2016). Observation of e+e- →η′J /ψ at center-of-mass energies between 4.189 and 4.600 GeV OBSERVATION of ... M. ABLIKIM et al. Physical Review D, 94(3), Article 032009. https://doi.org/10.1103/PhysRevD.94.032009

Ablikim, M, Achasov, MN, Ahmed, S, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Amoroso, A, An, FF, An, Q, Bai, JZ, Ferroli, RB, Ban, Y, Bennett, DW, Bennett, JV, Berger, N, Bertani, M, Bettoni, D, Bian, JM, Bianchi, F, Boger, E, 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, S, Chen, SJ, Chen, X, Chen, XR, Chen, YB, Cheng, HP, Chu, XK, Cibinetto, G, Dai, HL, Dai, JP, Dbeyssi, A, Dedovich, D, Muramatsu, H, Poling, R & BESIII Collaboration 2016, 'Observation of e+e- →η′J /ψ at center-of-mass energies between 4.189 and 4.600 GeV OBSERVATION of ... M. ABLIKIM et al.', Physical Review D, vol. 94, no. 3, 032009. https://doi.org/10.1103/PhysRevD.94.032009

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title = "Observation of e+e- →η′J /ψ at center-of-mass energies between 4.189 and 4.600 GeV OBSERVATION of ... M. ABLIKIM et al.",

abstract = "The process e+e-→η′J/ψ is observed for the first time with a statistical significance of 8.6σ at center-of-mass energy s=4.226 GeV and 7.3σ at s=4.258 GeV using data samples collected with the BESIII detector. The Born cross sections are measured to be (3.7±0.7±0.3) and (3.9±0.8±0.3) pb at s=4.226 and 4.258 GeV, respectively, where the first errors are statistical and the second systematic. Upper limits at the 90% confidence level of the Born cross sections are also reported at other 12 energy points.",

author = "M. Ablikim and Achasov, {M. N.} and S. Ahmed and Ai, {X. C.} and O. Albayrak and M. Albrecht and Ambrose, {D. J.} and A. Amoroso and An, {F. F.} and Q. An and Bai, {J. Z.} and Ferroli, {R. Baldini} and Y. Ban and Bennett, {D. W.} and Bennett, {J. V.} and N. Berger and M. Bertani and D. Bettoni and Bian, {J. M.} and F. Bianchi and E. Boger and I. Boyko and Briere, {R. A.} and H. Cai and X. Cai and O. Cakir and A. Calcaterra and Cao, {G. F.} and Cetin, {S. A.} and Chang, {J. F.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {H. Y.} and Chen, {J. C.} and Chen, {M. L.} and S. Chen and Chen, {S. J.} and X. Chen and Chen, {X. R.} and Chen, {Y. B.} and Cheng, {H. P.} and Chu, {X. K.} and G. Cibinetto and Dai, {H. L.} and Dai, {J. P.} and A. Dbeyssi and D. Dedovich and H. Muramatsu and R. Poling and {BESIII Collaboration}",

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AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Ai, X. C.

AU - Albayrak, O.

AU - Albrecht, M.

AU - Ambrose, D. J.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Ferroli, R. Baldini

AU - Ban, Y.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Berger, N.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bian, J. M.

AU - Bianchi, F.

AU - Boger, E.

AU - Boyko, I.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Cakir, O.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, H. Y.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, S.

AU - Chen, S. J.

AU - Chen, X.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Cheng, H. P.

AU - Chu, X. K.

AU - Cibinetto, G.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dbeyssi, A.

AU - Dedovich, D.

AU - Muramatsu, H.

AU - Poling, R.

AU - BESIII Collaboration

PY - 2016/8/23

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N2 - The process e+e-→η′J/ψ is observed for the first time with a statistical significance of 8.6σ at center-of-mass energy s=4.226 GeV and 7.3σ at s=4.258 GeV using data samples collected with the BESIII detector. The Born cross sections are measured to be (3.7±0.7±0.3) and (3.9±0.8±0.3) pb at s=4.226 and 4.258 GeV, respectively, where the first errors are statistical and the second systematic. Upper limits at the 90% confidence level of the Born cross sections are also reported at other 12 energy points.

AB - The process e+e-→η′J/ψ is observed for the first time with a statistical significance of 8.6σ at center-of-mass energy s=4.226 GeV and 7.3σ at s=4.258 GeV using data samples collected with the BESIII detector. The Born cross sections are measured to be (3.7±0.7±0.3) and (3.9±0.8±0.3) pb at s=4.226 and 4.258 GeV, respectively, where the first errors are statistical and the second systematic. Upper limits at the 90% confidence level of the Born cross sections are also reported at other 12 energy points.

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DO - 10.1103/PhysRevD.94.032009

M3 - Article

AN - SCOPUS:84984893087

SN - 2470-0010

VL - 94

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032009

ER -

Observation of e+e- →η′J /ψ at center-of-mass energies between 4.189 and 4.600 GeV OBSERVATION of ... M. ABLIKIM et al.

Abstract

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