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Study of J /ψ and ψ (3686) decays to π+π-η′. / BESIII Collaboration.

In: Physical Review D, Vol. 96, No. 11, 112012, 28.12.2017.

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Harvard

BESIII Collaboration 2017, 'Study of J /ψ and ψ (3686) decays to π+π-η′', Physical Review D, vol. 96, no. 11, 112012. https://doi.org/10.1103/PhysRevD.96.112012

APA

BESIII Collaboration (2017). Study of J /ψ and ψ (3686) decays to π+π-η′. Physical Review D, 96(11), [112012]. https://doi.org/10.1103/PhysRevD.96.112012

Vancouver

BESIII Collaboration. Study of J /ψ and ψ (3686) decays to π+π-η′. Physical Review D. 2017 Dec 28;96(11):112012. doi: 10.1103/PhysRevD.96.112012

Author

BESIII Collaboration. / Study of J /ψ and ψ (3686) decays to π+π-η′. In: Physical Review D. 2017 ; Vol. 96, No. 11.

BibTeX

@article{ab697f5dca874f3eb60473b85507f047,
title = "Study of J /ψ and ψ (3686) decays to π+π-η′",
abstract = "Using the data samples of 1.31×109 J/ψ events and 4.48×108 ψ(3686) events collected with the BESIII detector, partial wave analyses on the decays J/ψ and ψ(3686)→π+π-η′ are performed with a relativistic covariant tensor amplitude approach. The dominant contribution is found to be J/ψ and ψ(3686) decays to ρη′. In the J/ψ decay, the branching fraction B(J/ψ→ρη′) is determined to be (7.90±0.19(stat)±0.49(sys))×10-5. Two solutions are found in the ψ(3686) decay, and the corresponding branching fraction B(ψ(3686)→ρη′) is (1.02±0.11(stat)±0.24(sys))×10-5 for the case of destructive interference, and (5.69±1.28(stat)±2.36(sys))×10-6 for constructive interference. As a consequence, the ratios of branching fractions between ψ(3686) and J/ψ decays to ρη′ are calculated to be (12.9±1.4(stat)±3.1(sys))% and (7.2±1.6(stat)±3.0(sys))%, respectively. We also determine the inclusive branching fractions of J/ψ and ψ(3686) decays to π+π-η′ to be (1.36±0.02(stat)±0.08(sys))×10-4 and (1.51±0.14(stat)±0.23(sys))×10-5, respectively.",
keywords = "ANNIHILATION, MESONS, VECTOR",
author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. N.} and S. Ahmed and M. Albrecht and A. Amoroso and An, {F. F.} and Q. An and Bai, {J. Z.} and Y. Bai and O. Bakina 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 J. Chai and Chang, {J. F.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {J. C.} and Chen, {M. L.} and Chen, {P. L.} and Chen, {S. J.} and Chen, {X. R.} and Chen, {Y. B.} and Chu, {X. K.} and G. Cibinetto and Dai, {H. L.} and Dai, {J. P.} and A. Dbeyssi and D. Dedovich and Deng, {Z. Y.} and A. Denig and I. Denysenko and M. Destefanis and Nikolaev, {I. B.}",
year = "2017",
month = dec,
day = "28",
doi = "10.1103/PhysRevD.96.112012",
language = "English",
volume = "96",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "AMER PHYSICAL SOC",
number = "11",

}

RIS

TY - JOUR

T1 - Study of J /ψ and ψ (3686) decays to π+π-η′

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Bai, Y.

AU - Bakina, O.

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 - Chai, J.

AU - Chang, J. F.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, P. L.

AU - Chen, S. J.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Chu, X. K.

AU - Cibinetto, G.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dbeyssi, A.

AU - Dedovich, D.

AU - Deng, Z. Y.

AU - Denig, A.

AU - Denysenko, I.

AU - Destefanis, M.

AU - Nikolaev, I. B.

PY - 2017/12/28

Y1 - 2017/12/28

N2 - Using the data samples of 1.31×109 J/ψ events and 4.48×108 ψ(3686) events collected with the BESIII detector, partial wave analyses on the decays J/ψ and ψ(3686)→π+π-η′ are performed with a relativistic covariant tensor amplitude approach. The dominant contribution is found to be J/ψ and ψ(3686) decays to ρη′. In the J/ψ decay, the branching fraction B(J/ψ→ρη′) is determined to be (7.90±0.19(stat)±0.49(sys))×10-5. Two solutions are found in the ψ(3686) decay, and the corresponding branching fraction B(ψ(3686)→ρη′) is (1.02±0.11(stat)±0.24(sys))×10-5 for the case of destructive interference, and (5.69±1.28(stat)±2.36(sys))×10-6 for constructive interference. As a consequence, the ratios of branching fractions between ψ(3686) and J/ψ decays to ρη′ are calculated to be (12.9±1.4(stat)±3.1(sys))% and (7.2±1.6(stat)±3.0(sys))%, respectively. We also determine the inclusive branching fractions of J/ψ and ψ(3686) decays to π+π-η′ to be (1.36±0.02(stat)±0.08(sys))×10-4 and (1.51±0.14(stat)±0.23(sys))×10-5, respectively.

AB - Using the data samples of 1.31×109 J/ψ events and 4.48×108 ψ(3686) events collected with the BESIII detector, partial wave analyses on the decays J/ψ and ψ(3686)→π+π-η′ are performed with a relativistic covariant tensor amplitude approach. The dominant contribution is found to be J/ψ and ψ(3686) decays to ρη′. In the J/ψ decay, the branching fraction B(J/ψ→ρη′) is determined to be (7.90±0.19(stat)±0.49(sys))×10-5. Two solutions are found in the ψ(3686) decay, and the corresponding branching fraction B(ψ(3686)→ρη′) is (1.02±0.11(stat)±0.24(sys))×10-5 for the case of destructive interference, and (5.69±1.28(stat)±2.36(sys))×10-6 for constructive interference. As a consequence, the ratios of branching fractions between ψ(3686) and J/ψ decays to ρη′ are calculated to be (12.9±1.4(stat)±3.1(sys))% and (7.2±1.6(stat)±3.0(sys))%, respectively. We also determine the inclusive branching fractions of J/ψ and ψ(3686) decays to π+π-η′ to be (1.36±0.02(stat)±0.08(sys))×10-4 and (1.51±0.14(stat)±0.23(sys))×10-5, respectively.

KW - ANNIHILATION

KW - MESONS

KW - VECTOR

UR - http://www.scopus.com/inward/record.url?scp=85061091435&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.96.112012

DO - 10.1103/PhysRevD.96.112012

M3 - Article

VL - 96

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 11

M1 - 112012

ER -

ID: 18727056