Observation of χc0→Σ+Σ¯−η and evidence for χc1,2→Σ+Σ¯−η

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Observation of χc0→Σ+Σ¯−η and evidence for χc1,2→Σ+Σ¯−η. / BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 110, No. 11, 112013, 16.12.2024.

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

BibTeX

@article{841b3656c1464160a6fad776d6f61064,

title = "Observation of χc0→Σ+Σ¯−η and evidence for χc1,2→Σ+Σ¯−η",

abstract = "Using (27.12±0.14)×108 ψ(3686) events collected with the BESIII detector, the decay χc0→ς+ς¯-η is observed for the first time with a signal significance of 7.0σ, and evidence for χc1→ς+ς¯-η and χc2→ς+ς¯-η is found with signal significances of 4.3σ and 4.6σ, respectively. The branching fractions are determined to be B(χc0→ς+ς¯-η)=(1.26±0.20±0.13)×10-4, B(χc1→ς+ς¯-η)=(5.10±1.21±0.67)×10-5, and B(χc2→ς+ς¯-η)=(5.46±1.18±0.50)×10-5, where the first uncertainties are statistical, and the second ones are systematic. ",

author = "{BESIII Collaboration} and M. Ablikim and M. n. Achasov and P. Adlarson and O. Afedulidis and X. c. Ai and R. Aliberti and A. Amoroso and Q. An and Y. Bai and O. Bakina and I. Balossino and Y. Ban and H.-R. Bao and V. Batozskaya and K. Begzsuren and N. Berger and M. Berlowski and M. Bertani and D. Bettoni and F. Bianchi and E. Bianco and A. Bortone and R. a. Briere and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",

year = "2024",

month = dec,

day = "16",

doi = "10.1103/PhysRevD.110.112013",

language = "English",

volume = "110",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "AMER PHYSICAL SOC",

number = "11",

}

RIS

TY - JOUR

T1 - Observation of χc0→Σ+Σ¯−η and evidence for χc1,2→Σ+Σ¯−η

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Adlarson, P.

AU - Afedulidis, O.

AU - Ai, X. c.

AU - Aliberti, R.

AU - Amoroso, A.

AU - An, Q.

AU - Bai, Y.

AU - Bakina, O.

AU - Balossino, I.

AU - Ban, Y.

AU - Bao, H.-R.

AU - Batozskaya, V.

AU - Begzsuren, K.

AU - Berger, N.

AU - Berlowski, M.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bianco, E.

AU - Bortone, A.

AU - Briere, R. a.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/12/16

Y1 - 2024/12/16

N2 - Using (27.12±0.14)×108 ψ(3686) events collected with the BESIII detector, the decay χc0→ς+ς¯-η is observed for the first time with a signal significance of 7.0σ, and evidence for χc1→ς+ς¯-η and χc2→ς+ς¯-η is found with signal significances of 4.3σ and 4.6σ, respectively. The branching fractions are determined to be B(χc0→ς+ς¯-η)=(1.26±0.20±0.13)×10-4, B(χc1→ς+ς¯-η)=(5.10±1.21±0.67)×10-5, and B(χc2→ς+ς¯-η)=(5.46±1.18±0.50)×10-5, where the first uncertainties are statistical, and the second ones are systematic.

AB - Using (27.12±0.14)×108 ψ(3686) events collected with the BESIII detector, the decay χc0→ς+ς¯-η is observed for the first time with a signal significance of 7.0σ, and evidence for χc1→ς+ς¯-η and χc2→ς+ς¯-η is found with signal significances of 4.3σ and 4.6σ, respectively. The branching fractions are determined to be B(χc0→ς+ς¯-η)=(1.26±0.20±0.13)×10-4, B(χc1→ς+ς¯-η)=(5.10±1.21±0.67)×10-5, and B(χc2→ς+ς¯-η)=(5.46±1.18±0.50)×10-5, where the first uncertainties are statistical, and the second ones are systematic.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85213026399&origin=inward&txGid=9b62d2d20619fea947d3a1725b34e3b2

U2 - 10.1103/PhysRevD.110.112013

DO - 10.1103/PhysRevD.110.112013

M3 - Article

VL - 110

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 11

M1 - 112013

ER -

ID: 62701629