Standard

Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ. / The BELLE collaboration.

In: Physical Review D, Vol. 99, No. 5, 051101, 11.03.2019.

Research output: Contribution to journal › Article › peer-review

Harvard

The BELLE collaboration 2019, 'Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ', Physical Review D, vol. 99, no. 5, 051101. https://doi.org/10.1103/PhysRevD.99.051101

APA

The BELLE collaboration (2019). Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ. Physical Review D, 99(5), [051101]. https://doi.org/10.1103/PhysRevD.99.051101

Vancouver

The BELLE collaboration. Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ. Physical Review D. 2019 Mar 11;99(5):051101. doi: 10.1103/PhysRevD.99.051101

Author

The BELLE collaboration. / Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ. In: Physical Review D. 2019 ; Vol. 99, No. 5.

BibTeX

@article{14498e99326141ac8813bf3cde1ab859,
title = "Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ",
abstract = "Using 4.48×108 ψ(3686) events collected with the BESIII detector, we search for the decays χcJ→μ+μ-J/ψ through the radiative decays ψ(3686)→γχcJ, where J=0, 1, 2. The decays χc1,2→μ+μ-J/ψ are observed, and the corresponding branching fractions are measured to be B(χc1→μ+μ-J/ψ)=(2.51±0.18±0.20)×10-4 and B(χc2→μ+μ-J/ψ)=(2.33±0.18±0.29)×10-4, where the first uncertainty is statistical and the second one systematic. No significant χc0→μ+μ-J/ψ decay is observed, and the upper limit on the branching fraction is determined to be 2.0×10-5 at 90% confidence level. Also, we present a study of dimuon invariant mass dependent transition form factor for the decays χc1,2→μ+μ-J/ψ.",
author = "{The BELLE collaboration} and M. Ablikim and Achasov, {M. N.} and S. Ahmed and M. Albrecht and M. Alekseev and A. Amoroso and An, {F. F.} and Q. An and Y. Bai and O. Bakina and {Baldini Ferroli}, R. and Y. Ban and K. Begzsuren and Bennett, {D. W.} and Bennett, {J. V.} and N. Berger and M. Bertani and D. Bettoni and F. Bianchi and J. Bloms and I. Boyko and Briere, {R. A.} and H. Cai and X. Cai and A. Calcaterra and Cao, {G. F.} and Cetin, {S. A.} and J. Chai and Chang, {J. F.} and Chang, {W. L.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {J. C.} and Chen, {M. L.} and Chen, {S. J.} and Chen, {Y. B.} and W. Cheng and G. Cibinetto and F. Cossio 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 Muchnoi, {N. Yu} and Nikolaev, {I. B.}",
note = "Publisher Copyright: {\textcopyright} 2019 authors. Published by the American Physical Society.",
year = "2019",
month = mar,
day = "11",
doi = "10.1103/PhysRevD.99.051101",
language = "English",
volume = "99",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "AMER PHYSICAL SOC",
number = "5",

}

RIS

TY - JOUR

T1 - Study of electromagnetic Dalitz decays χcJ →μ+μ-J /ψ

AU - The BELLE collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Alekseev, M.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, Y.

AU - Bakina, O.

AU - Baldini Ferroli, R.

AU - Ban, Y.

AU - Begzsuren, K.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Berger, N.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bloms, J.

AU - Boyko, I.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cetin, S. A.

AU - Chai, J.

AU - Chang, J. F.

AU - Chang, W. L.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, S. J.

AU - Chen, Y. B.

AU - Cheng, W.

AU - Cibinetto, G.

AU - Cossio, F.

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 - Muchnoi, N. Yu

AU - Nikolaev, I. B.

N1 - Publisher Copyright: © 2019 authors. Published by the American Physical Society.

PY - 2019/3/11

Y1 - 2019/3/11

N2 - Using 4.48×108 ψ(3686) events collected with the BESIII detector, we search for the decays χcJ→μ+μ-J/ψ through the radiative decays ψ(3686)→γχcJ, where J=0, 1, 2. The decays χc1,2→μ+μ-J/ψ are observed, and the corresponding branching fractions are measured to be B(χc1→μ+μ-J/ψ)=(2.51±0.18±0.20)×10-4 and B(χc2→μ+μ-J/ψ)=(2.33±0.18±0.29)×10-4, where the first uncertainty is statistical and the second one systematic. No significant χc0→μ+μ-J/ψ decay is observed, and the upper limit on the branching fraction is determined to be 2.0×10-5 at 90% confidence level. Also, we present a study of dimuon invariant mass dependent transition form factor for the decays χc1,2→μ+μ-J/ψ.

AB - Using 4.48×108 ψ(3686) events collected with the BESIII detector, we search for the decays χcJ→μ+μ-J/ψ through the radiative decays ψ(3686)→γχcJ, where J=0, 1, 2. The decays χc1,2→μ+μ-J/ψ are observed, and the corresponding branching fractions are measured to be B(χc1→μ+μ-J/ψ)=(2.51±0.18±0.20)×10-4 and B(χc2→μ+μ-J/ψ)=(2.33±0.18±0.29)×10-4, where the first uncertainty is statistical and the second one systematic. No significant χc0→μ+μ-J/ψ decay is observed, and the upper limit on the branching fraction is determined to be 2.0×10-5 at 90% confidence level. Also, we present a study of dimuon invariant mass dependent transition form factor for the decays χc1,2→μ+μ-J/ψ.

UR - http://www.scopus.com/inward/record.url?scp=85064383641&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.99.051101

DO - 10.1103/PhysRevD.99.051101

M3 - Article

AN - SCOPUS:85064383641

VL - 99

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 5

M1 - 051101

ER -

ID: 19587676