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Search for ηc(2S)→K+K−η′ decay. / The BESIII Collaboration ; Николаев, Иван Борисович; Мучной, Николай Юрьевич.

в: Physical Review D, Том 111, № 1, 012004, 14.01.2025.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

The BESIII Collaboration, Николаев, ИБ & Мучной, НЮ 2025, 'Search for ηc(2S)→K+K−η′ decay', Physical Review D, Том. 111, № 1, 012004. https://doi.org/10.1103/PhysRevD.111.012004

APA

The BESIII Collaboration, Николаев, И. Б., & Мучной, Н. Ю. (2025). Search for ηc(2S)→K+K−η′ decay. Physical Review D, 111(1), [012004]. https://doi.org/10.1103/PhysRevD.111.012004

Vancouver

The BESIII Collaboration, Николаев ИБ, Мучной НЮ. Search for ηc(2S)→K+K−η′ decay. Physical Review D. 2025 янв. 14;111(1):012004. doi: 10.1103/PhysRevD.111.012004

Author

The BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич. / Search for ηc(2S)→K+K−η′ decay. в: Physical Review D. 2025 ; Том 111, № 1.

BibTeX

@article{c5ba90bf11024e82a322b0663918762c,
title = "Search for ηc(2S)→K+K−η′ decay",
abstract = "Using (2.712±0.014)×109  휓⁡(2⁢푆) events collected with the BESIII detector operating at the BEPCII, we search for the 휂푐⁡(2⁢푆)→퐾+⁢퐾−⁢휂′ decay. Its decay branching fraction is measured to be (11.11±4.6⁢7(stat)±1.8⁢2(syst)±4.2⁢4(extr))×10−4, where the first uncertainty is statistical, the second is systematic, and the third uncertainty is from the branching fraction of the 휓⁡(2⁢푆)→훾⁢휂푐⁡(2⁢푆) decay. The statistical significance is 2.8⁢휎. The upper limit on the product branching fraction 퐵⁡[휓⁡(2⁢푆)→훾⁢휂푐⁡(2⁢푆)]×퐵⁡[휂푐⁡(2⁢푆)→퐾+⁢퐾−⁢휂′] is set to be 0.94×10−6 at 90% confidence level. In addition, the branching fractions of 휒푐⁢1 →퐾+⁢퐾−⁢휂′ and 휒푐⁢2 →퐾+⁢퐾−⁢휂′ are updated to be (8.48±0.10⁢(stat)±0.47⁢(syst))×10−4 and (1.53±0.04⁢(stat)±0.08⁢(syst))×10−4, respectively. The precision is improved by twofold.",
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 A. Brueggemann and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",
year = "2025",
month = jan,
day = "14",
doi = "10.1103/PhysRevD.111.012004",
language = "English",
volume = "111",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "AMER PHYSICAL SOC",
number = "1",

}

RIS

TY - JOUR

T1 - Search for ηc(2S)→K+K−η′ decay

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 - Brueggemann, A.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2025/1/14

Y1 - 2025/1/14

N2 - Using (2.712±0.014)×109  휓⁡(2⁢푆) events collected with the BESIII detector operating at the BEPCII, we search for the 휂푐⁡(2⁢푆)→퐾+⁢퐾−⁢휂′ decay. Its decay branching fraction is measured to be (11.11±4.6⁢7(stat)±1.8⁢2(syst)±4.2⁢4(extr))×10−4, where the first uncertainty is statistical, the second is systematic, and the third uncertainty is from the branching fraction of the 휓⁡(2⁢푆)→훾⁢휂푐⁡(2⁢푆) decay. The statistical significance is 2.8⁢휎. The upper limit on the product branching fraction 퐵⁡[휓⁡(2⁢푆)→훾⁢휂푐⁡(2⁢푆)]×퐵⁡[휂푐⁡(2⁢푆)→퐾+⁢퐾−⁢휂′] is set to be 0.94×10−6 at 90% confidence level. In addition, the branching fractions of 휒푐⁢1 →퐾+⁢퐾−⁢휂′ and 휒푐⁢2 →퐾+⁢퐾−⁢휂′ are updated to be (8.48±0.10⁢(stat)±0.47⁢(syst))×10−4 and (1.53±0.04⁢(stat)±0.08⁢(syst))×10−4, respectively. The precision is improved by twofold.

AB - Using (2.712±0.014)×109  휓⁡(2⁢푆) events collected with the BESIII detector operating at the BEPCII, we search for the 휂푐⁡(2⁢푆)→퐾+⁢퐾−⁢휂′ decay. Its decay branching fraction is measured to be (11.11±4.6⁢7(stat)±1.8⁢2(syst)±4.2⁢4(extr))×10−4, where the first uncertainty is statistical, the second is systematic, and the third uncertainty is from the branching fraction of the 휓⁡(2⁢푆)→훾⁢휂푐⁡(2⁢푆) decay. The statistical significance is 2.8⁢휎. The upper limit on the product branching fraction 퐵⁡[휓⁡(2⁢푆)→훾⁢휂푐⁡(2⁢푆)]×퐵⁡[휂푐⁡(2⁢푆)→퐾+⁢퐾−⁢휂′] is set to be 0.94×10−6 at 90% confidence level. In addition, the branching fractions of 휒푐⁢1 →퐾+⁢퐾−⁢휂′ and 휒푐⁢2 →퐾+⁢퐾−⁢휂′ are updated to be (8.48±0.10⁢(stat)±0.47⁢(syst))×10−4 and (1.53±0.04⁢(stat)±0.08⁢(syst))×10−4, respectively. The precision is improved by twofold.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85217242171&origin=inward&txGid=c4cddc13172ae3c5a3813a3e29a960a0

U2 - 10.1103/PhysRevD.111.012004

DO - 10.1103/PhysRevD.111.012004

M3 - Article

VL - 111

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 1

M1 - 012004

ER -

ID: 64713511