Standard

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 Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",
note = "Search for ηc(2S)→K+K−η′ decay / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Physical Review D. – 2025. – Vol. 111, No. 1. – P. 012004. – DOI 10.1103/physrevd.111.012004. – EDN FVJYAL.",
year = "2025",
month = jan,
day = "14",
doi = "10.1103/PhysRevD.111.012004",
language = "English",
volume = "111",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
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 - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

N1 - Search for ηc(2S)→K+K−η′ decay / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Physical Review D. – 2025. – Vol. 111, No. 1. – P. 012004. – DOI 10.1103/physrevd.111.012004. – EDN FVJYAL.

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

UR - https://www.mendeley.com/catalogue/1e06ff42-aac2-3360-b910-a3622602e76e/

UR - https://elibrary.ru/item.asp?id=80923252

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