First measurements of χcJ → ς- ς ¯ + (J=0,1,2) decays FIRST MEASUREMENTS of ⋯ M. ABLIKIM et al.

BESIII Collaboration

doi:10.1103/PhysRevD.101.092002

First measurements of χcJ → ς- ς ¯ + (J=0,1,2) decays FIRST MEASUREMENTS of ⋯ M. ABLIKIM et al.

BESIII Collaboration

Physics and Astronomy (Twin Cities)

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

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Abstract

We measured the branching fractions of the decays χcJ→ς-ς¯+ for the first time using the final states nn¯π+π-. The data sample exploited here is 448.1×106 ψ(3686) events collected with BESIII. We find B(χcJ→ς-ς¯+)=(51.3±2.4±4.1)×10-5,(5.7±1.4±0.6)×10-5, and (4.4±1.7±0.5)×10-5, for J=0, 1, 2, respectively, where the first uncertainties are statistical and the second systematic.

Original language	English (US)
Article number	92002
Journal	Physical Review D
Volume	101
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.101.092002
State	Published - May 1 2020

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© 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

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@article{c0fec0ad5c8b418083bb13bbb90965d0,

title = "First measurements of χcJ → ς- ς ¯ + (J=0,1,2) decays FIRST MEASUREMENTS of ⋯ M. ABLIKIM et al.",

abstract = "We measured the branching fractions of the decays χcJ→ς-ς¯+ for the first time using the final states nn¯π+π-. The data sample exploited here is 448.1×106 ψ(3686) events collected with BESIII. We find B(χcJ→ς-ς¯+)=(51.3±2.4±4.1)×10-5,(5.7±1.4±0.6)×10-5, and (4.4±1.7±0.5)×10-5, for J=0, 1, 2, respectively, where the first uncertainties are statistical and the second systematic.",

author = "\{BESIII Collaboration\} and M. Ablikim and Achasov, \{M. N.\} and P. Adlarson and S. Ahmed and M. Albrecht and A. Amoroso and Q. An and Anita and Y. Bai and O. Bakina and Ferroli, \{R. Baldini\} and I. Balossino and Y. Ban and K. Begzsuren and Bennett, \{J. V.\} and N. Berger and M. Bertani and D. Bettoni and F. Bianchi and J. Biernat and J. Bloms and A. Bortone and I. Boyko and Briere, \{R. A.\} and H. Cai and X. Cai and A. Calcaterra and Cao, \{G. F.\} and N. Cao and Cetin, \{S. A.\} and Chang, \{J. F.\} and Chang, \{W. L.\} and G. Chelkov and Chen, \{D. Y.\} and G. Chen and Chen, \{H. S.\} and Chen, \{M. L.\} and Chen, \{S. J.\} and Chen, \{X. R.\} and Chen, \{Y. B.\} and W. Cheng and G. Cibinetto and F. Cossio and Cui, \{X. F.\} and Dai, \{H. L.\} and Dai, \{J. P.\} and Dai, \{X. C.\} and A. Dbeyssi and \{de Boer\}, \{R. B.\} and H. Muramatsu",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.",

year = "2020",

month = may,

day = "1",

doi = "10.1103/PhysRevD.101.092002",

language = "English (US)",

volume = "101",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "9",

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T1 - First measurements of χcJ → ς- ς ¯ + (J=0,1,2) decays FIRST MEASUREMENTS of ⋯ M. ABLIKIM et al.

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Amoroso, A.

AU - An, Q.

AU - Anita,

AU - Bai, Y.

AU - Bakina, O.

AU - Ferroli, R. Baldini

AU - Balossino, I.

AU - Ban, Y.

AU - Begzsuren, K.

AU - Bennett, J. V.

AU - Berger, N.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Biernat, J.

AU - Bloms, J.

AU - Bortone, A.

AU - Boyko, I.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cao, N.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chang, W. L.

AU - Chelkov, G.

AU - Chen, D. Y.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, M. L.

AU - Chen, S. J.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Cheng, W.

AU - Cibinetto, G.

AU - Cossio, F.

AU - Cui, X. F.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dai, X. C.

AU - Dbeyssi, A.

AU - de Boer, R. B.

AU - Muramatsu, H.

N1 - Publisher Copyright: © 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - We measured the branching fractions of the decays χcJ→ς-ς¯+ for the first time using the final states nn¯π+π-. The data sample exploited here is 448.1×106 ψ(3686) events collected with BESIII. We find B(χcJ→ς-ς¯+)=(51.3±2.4±4.1)×10-5,(5.7±1.4±0.6)×10-5, and (4.4±1.7±0.5)×10-5, for J=0, 1, 2, respectively, where the first uncertainties are statistical and the second systematic.

AB - We measured the branching fractions of the decays χcJ→ς-ς¯+ for the first time using the final states nn¯π+π-. The data sample exploited here is 448.1×106 ψ(3686) events collected with BESIII. We find B(χcJ→ς-ς¯+)=(51.3±2.4±4.1)×10-5,(5.7±1.4±0.6)×10-5, and (4.4±1.7±0.5)×10-5, for J=0, 1, 2, respectively, where the first uncertainties are statistical and the second systematic.

UR - https://www.scopus.com/pages/publications/85092799074

UR - https://www.scopus.com/pages/publications/85092799074#tab=citedBy

U2 - 10.1103/PhysRevD.101.092002

DO - 10.1103/PhysRevD.101.092002

M3 - Article

AN - SCOPUS:85092799074

SN - 2470-0010

VL - 101

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 92002

ER -

First measurements of χcJ → ς- ς ¯ + (J=0,1,2) decays FIRST MEASUREMENTS of ⋯ M. ABLIKIM et al.

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