Study of J /ψ →ηφπ+π- at BESIII

M. Ablikim; M. N. Achasov; 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; M. Bertani; D. Bettoni; J. M. Bian; F. Bianchi; E. Boger; O. Bondarenko; 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. J. Chen; X. Chen; X. R. Chen; Y. B. Chen; H. P. Cheng; X. K. Chu; G. Cibinetto; D. Cronin-Hennessy; H. L. Dai; J. P. Dai; A. Dbeyssi; D. Dedovich; Z. Y. Deng; H. Muramatsu; R. Poling; BESIII Collaboration

doi:10.1103/PhysRevD.91.052017

Study of J /ψ →ηφπ+π- at BESIII

M. Ablikim, M. N. Achasov, 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, M. Bertani, D. Bettoni, J. M. Bian, F. Bianchi, E. Boger, O. BondarenkoI. 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. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, H. P. Cheng, X. K. Chu, G. Cibinetto, D. Cronin-Hennessy, H. L. Dai, J. P. Dai, A. Dbeyssi, D. Dedovich, Z. Y. Deng, H. Muramatsu, R. Poling, BESIII Collaboration

Physics and Astronomy (Twin Cities)

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Abstract

Based on a sample of 2.25×108J/ψ events taken with the BESIII detector at the BEPCII collider, we present the results of a study of the decay J/ψ→ηφπ+π-. The Y(2175) resonance is observed in the invariant mass spectrum of φf0(980) with a statistical significance of greater than 10σ. The corresponding mass and width are determined to be M=2200±6(stat)±5(syst) MeV/c2 and Γ=104±15(stat)±15(syst) MeV, respectively, and the product branching fraction is measured to be B(J/ψ→ηY(2175),Y(2175)→φf0(980),f0(980)→π+π-)=(1.20±0.14(stat)±0.37(syst))×10-4. The results are consistent within errors with those of previous experiments. We also measure the branching fraction of J/ψ→φf1(1285) with f1(1285)→ηπ+π- and set upper limits on the branching fractions for J/ψ→φη(1405)/φX(1835)/φX(1870) with η(1405)/X(1835)/X(1870)→ηπ+π- at the 90% confidence level.

Original language	English (US)
Article number	052017
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	91
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.91.052017
State	Published - Mar 20 2015

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© 2015 American Physical Society.

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Ablikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Baldini Ferroli, R., Ban, Y., Bennett, D. W., Bennett, J. V., Bertani, M., Bettoni, D., Bian, J. M., Bianchi, F., Boger, E., ... BESIII Collaboration (2015). Study of J /ψ →ηφπ+π- at BESIII. Physical Review D - Particles, Fields, Gravitation and Cosmology, 91(5), Article 052017. https://doi.org/10.1103/PhysRevD.91.052017

Ablikim, M, Achasov, MN, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Amoroso, A, An, FF, An, Q, Bai, JZ, Baldini Ferroli, R, 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, Muramatsu, H, Poling, R & BESIII Collaboration 2015, 'Study of J /ψ →ηφπ+π- at BESIII', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 91, no. 5, 052017. https://doi.org/10.1103/PhysRevD.91.052017

@article{b156113ac8be4172a0e64d9c7bdd1224,

title = "Study of J /ψ →ηφπ+π- at BESIII",

abstract = "Based on a sample of 2.25×108J/ψ events taken with the BESIII detector at the BEPCII collider, we present the results of a study of the decay J/ψ→ηφπ+π-. The Y(2175) resonance is observed in the invariant mass spectrum of φf0(980) with a statistical significance of greater than 10σ. The corresponding mass and width are determined to be M=2200±6(stat)±5(syst) MeV/c2 and Γ=104±15(stat)±15(syst) MeV, respectively, and the product branching fraction is measured to be B(J/ψ→ηY(2175),Y(2175)→φf0(980),f0(980)→π+π-)=(1.20±0.14(stat)±0.37(syst))×10-4. The results are consistent within errors with those of previous experiments. We also measure the branching fraction of J/ψ→φf1(1285) with f1(1285)→ηπ+π- and set upper limits on the branching fractions for J/ψ→φη(1405)/φX(1835)/φX(1870) with η(1405)/X(1835)/X(1870)→ηπ+π- at the 90% confidence level.",

author = "M. Ablikim and Achasov, {M. N.} 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 {Baldini Ferroli}, R. and Y. Ban and Bennett, {D. W.} and Bennett, {J. V.} and M. Bertani and D. Bettoni and Bian, {J. M.} and F. Bianchi and E. Boger and O. Bondarenko 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 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 D. Cronin-Hennessy and Dai, {H. L.} and Dai, {J. P.} and A. Dbeyssi and D. Dedovich and Deng, {Z. Y.} and H. Muramatsu and R. Poling and {BESIII Collaboration}",

note = "Publisher Copyright: {\textcopyright} 2015 American Physical Society.",

year = "2015",

month = mar,

day = "20",

doi = "10.1103/PhysRevD.91.052017",

language = "English (US)",

volume = "91",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

publisher = "American Physical Society",

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TY - JOUR

T1 - Study of J /ψ →ηφπ+π- at BESIII

AU - Ablikim, M.

AU - Achasov, M. N.

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 - Baldini Ferroli, R.

AU - Ban, Y.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bian, J. M.

AU - Bianchi, F.

AU - Boger, E.

AU - Bondarenko, O.

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. J.

AU - Chen, X.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Cheng, H. P.

AU - Chu, X. K.

AU - Cibinetto, G.

AU - Cronin-Hennessy, D.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dbeyssi, A.

AU - Dedovich, D.

AU - Deng, Z. Y.

AU - Muramatsu, H.

AU - Poling, R.

AU - BESIII Collaboration

PY - 2015/3/20

Y1 - 2015/3/20

N2 - Based on a sample of 2.25×108J/ψ events taken with the BESIII detector at the BEPCII collider, we present the results of a study of the decay J/ψ→ηφπ+π-. The Y(2175) resonance is observed in the invariant mass spectrum of φf0(980) with a statistical significance of greater than 10σ. The corresponding mass and width are determined to be M=2200±6(stat)±5(syst) MeV/c2 and Γ=104±15(stat)±15(syst) MeV, respectively, and the product branching fraction is measured to be B(J/ψ→ηY(2175),Y(2175)→φf0(980),f0(980)→π+π-)=(1.20±0.14(stat)±0.37(syst))×10-4. The results are consistent within errors with those of previous experiments. We also measure the branching fraction of J/ψ→φf1(1285) with f1(1285)→ηπ+π- and set upper limits on the branching fractions for J/ψ→φη(1405)/φX(1835)/φX(1870) with η(1405)/X(1835)/X(1870)→ηπ+π- at the 90% confidence level.

AB - Based on a sample of 2.25×108J/ψ events taken with the BESIII detector at the BEPCII collider, we present the results of a study of the decay J/ψ→ηφπ+π-. The Y(2175) resonance is observed in the invariant mass spectrum of φf0(980) with a statistical significance of greater than 10σ. The corresponding mass and width are determined to be M=2200±6(stat)±5(syst) MeV/c2 and Γ=104±15(stat)±15(syst) MeV, respectively, and the product branching fraction is measured to be B(J/ψ→ηY(2175),Y(2175)→φf0(980),f0(980)→π+π-)=(1.20±0.14(stat)±0.37(syst))×10-4. The results are consistent within errors with those of previous experiments. We also measure the branching fraction of J/ψ→φf1(1285) with f1(1285)→ηπ+π- and set upper limits on the branching fractions for J/ψ→φη(1405)/φX(1835)/φX(1870) with η(1405)/X(1835)/X(1870)→ηπ+π- at the 90% confidence level.

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UR - http://www.scopus.com/inward/citedby.url?scp=84979831145&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.91.052017

DO - 10.1103/PhysRevD.91.052017

M3 - Article

AN - SCOPUS:84979831145

SN - 1550-7998

VL - 91

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 5

M1 - 052017

ER -

Study of J /ψ →ηφπ+π- at BESIII

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