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Observation of χcJ→pp¯KS0K−π++c.c. / BESIII Collaboration ; Николаев, Иван Борисович; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 110, No. 11, 112009, 11.12.2024.

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BESIII Collaboration, Николаев ИБ, Мучной НЮ. Observation of χcJ→pp¯KS0K−π++c.c. Physical Review D. 2024 Dec 11;110(11):112009. doi: 10.1103/PhysRevD.110.112009

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@article{4fd418e5eb9b4a9cae6875e9a7aaf122,
title = "Observation of χcJ→pp¯KS0K−π++c.c.",
abstract = "By analyzing (27.12±0.14)×108 ψ(3686) events collected with the BESIII detector operating at the BEPCII collider, the decays χcJ→pp¯KS0K-π++c.c. (J=0,1,2) are observed for the first time with statistical significances greater than 10σ. The branching fractions of these decays are determined to be B(χc0→pp¯KS0K-π++c.c.)=(2.61±0.27±0.32)×10-5, B(χc1→pp¯KS0K-π++c.c.)=(4.16±0.24±0.46)×10-5, and B(χc2→pp¯KS0K-π++c.c.)=(5.63±0.28±0.46)×10-5, respectively. The processes χc1,2→p¯Λ(1520)KS0π++c.c. are also observed, with statistical significances of 5.7σ and 7.0σ, respectively. Evidence for χc0→p¯Λ(1520)KS0π++c.c. is found with statistical significances of 3.3σ. The corresponding branching fractions are determined to be B(χc0→p¯Λ(1520)KS0π++c.c.)=(1.61-0.64+0.68±0.23)×10-5, B(χc1→p¯Λ(1520)KS0π++c.c.)=(4.06-0.76+0.80±0.52)×10-5, and B(χc2→p¯Λ(1520)KS0π++c.c.)=(4.09-0.84+0.87±0.42)×10-5. Here, 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 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 A. Brueggemann and H. Cai and X. Cai and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",
year = "2024",
month = dec,
day = "11",
doi = "10.1103/PhysRevD.110.112009",
language = "English",
volume = "110",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "AMER PHYSICAL SOC",
number = "11",

}

RIS

TY - JOUR

T1 - Observation of χcJ→pp¯KS0K−π++c.c.

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 - 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 - Brueggemann, A.

AU - Cai, H.

AU - Cai, X.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/12/11

Y1 - 2024/12/11

N2 - By analyzing (27.12±0.14)×108 ψ(3686) events collected with the BESIII detector operating at the BEPCII collider, the decays χcJ→pp¯KS0K-π++c.c. (J=0,1,2) are observed for the first time with statistical significances greater than 10σ. The branching fractions of these decays are determined to be B(χc0→pp¯KS0K-π++c.c.)=(2.61±0.27±0.32)×10-5, B(χc1→pp¯KS0K-π++c.c.)=(4.16±0.24±0.46)×10-5, and B(χc2→pp¯KS0K-π++c.c.)=(5.63±0.28±0.46)×10-5, respectively. The processes χc1,2→p¯Λ(1520)KS0π++c.c. are also observed, with statistical significances of 5.7σ and 7.0σ, respectively. Evidence for χc0→p¯Λ(1520)KS0π++c.c. is found with statistical significances of 3.3σ. The corresponding branching fractions are determined to be B(χc0→p¯Λ(1520)KS0π++c.c.)=(1.61-0.64+0.68±0.23)×10-5, B(χc1→p¯Λ(1520)KS0π++c.c.)=(4.06-0.76+0.80±0.52)×10-5, and B(χc2→p¯Λ(1520)KS0π++c.c.)=(4.09-0.84+0.87±0.42)×10-5. Here, the first uncertainties are statistical and the second ones are systematic.

AB - By analyzing (27.12±0.14)×108 ψ(3686) events collected with the BESIII detector operating at the BEPCII collider, the decays χcJ→pp¯KS0K-π++c.c. (J=0,1,2) are observed for the first time with statistical significances greater than 10σ. The branching fractions of these decays are determined to be B(χc0→pp¯KS0K-π++c.c.)=(2.61±0.27±0.32)×10-5, B(χc1→pp¯KS0K-π++c.c.)=(4.16±0.24±0.46)×10-5, and B(χc2→pp¯KS0K-π++c.c.)=(5.63±0.28±0.46)×10-5, respectively. The processes χc1,2→p¯Λ(1520)KS0π++c.c. are also observed, with statistical significances of 5.7σ and 7.0σ, respectively. Evidence for χc0→p¯Λ(1520)KS0π++c.c. is found with statistical significances of 3.3σ. The corresponding branching fractions are determined to be B(χc0→p¯Λ(1520)KS0π++c.c.)=(1.61-0.64+0.68±0.23)×10-5, B(χc1→p¯Λ(1520)KS0π++c.c.)=(4.06-0.76+0.80±0.52)×10-5, and B(χc2→p¯Λ(1520)KS0π++c.c.)=(4.09-0.84+0.87±0.42)×10-5. Here, the first uncertainties are statistical and the second ones are systematic.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85212701735&origin=inward&txGid=17fae398f52dc635fc7a739954296cb5

U2 - 10.1103/PhysRevD.110.112009

DO - 10.1103/PhysRevD.110.112009

M3 - Article

VL - 110

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 11

M1 - 112009

ER -

ID: 62702192