Observation and branching fraction measurements of (Formula presented)

BESIII Collaboration

doi:10.1103/KCYS-WHFC

Observation and branching fraction measurements of (Formula presented)

BESIII Collaboration

Instituto de Alta Investigación

CAS - Institute of High Energy Physics
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Novosibirsk State University
Uppsala University
Zhengzhou University

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

Resumen

Based on (2.712 ± 0.014) × 10⁹ ψ(3686) events collected with the BESIII detector, the decays (Formula presented) (J = 0, 1, 2) are observed for the first time with statistical significances exceeding 5σ. The measured branching fractions are (Formula presented), and (Formula presented), where the first uncertainties are statistical and the second systematic. In addition, no significant structures are observed in the (Formula presented), (Formula presented), and (Formula presented) mass spectra.

Idioma original	Inglés
Número de artículo	112003
Publicación	Physical Review D
Volumen	113
N.º	11
DOI	https://doi.org/10.1103/KCYS-WHFC
Estado	Publicada - 2026

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@article{f4afe1b787794794bc5d049304d8d65b,

title = "Observation and branching fraction measurements of (Formula presented)",

abstract = "Based on (2.712 ± 0.014) {\texttimes} 109 ψ(3686) events collected with the BESIII detector, the decays (Formula presented) (J = 0, 1, 2) are observed for the first time with statistical significances exceeding 5σ. The measured branching fractions are (Formula presented), and (Formula presented), where the first uncertainties are statistical and the second systematic. In addition, no significant structures are observed in the (Formula presented), (Formula presented), and (Formula presented) mass spectra.",

author = "M. Ablikim and Achasov, \{M. N.\} and P. Adlarson and Ai, \{X. C.\} and S. Kabana and \{The BESIII collaboration\}",

note = "Publisher Copyright: Published by the American Physical Society under the terms of the 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 = "2026",

doi = "10.1103/KCYS-WHFC",

language = "English",

volume = "113",

journal = "Physical Review D",

issn = "2470-0010",

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T1 - Observation and branching fraction measurements of (Formula presented)

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ai, X. C.

AU - Kabana, S.

AU - The BESIII collaboration

N1 - Publisher Copyright: Published by the American Physical Society under the terms of the 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 - 2026

Y1 - 2026

N2 - Based on (2.712 ± 0.014) × 109 ψ(3686) events collected with the BESIII detector, the decays (Formula presented) (J = 0, 1, 2) are observed for the first time with statistical significances exceeding 5σ. The measured branching fractions are (Formula presented), and (Formula presented), where the first uncertainties are statistical and the second systematic. In addition, no significant structures are observed in the (Formula presented), (Formula presented), and (Formula presented) mass spectra.

AB - Based on (2.712 ± 0.014) × 109 ψ(3686) events collected with the BESIII detector, the decays (Formula presented) (J = 0, 1, 2) are observed for the first time with statistical significances exceeding 5σ. The measured branching fractions are (Formula presented), and (Formula presented), where the first uncertainties are statistical and the second systematic. In addition, no significant structures are observed in the (Formula presented), (Formula presented), and (Formula presented) mass spectra.

UR - https://www.scopus.com/pages/publications/105051897653

U2 - 10.1103/KCYS-WHFC

DO - 10.1103/KCYS-WHFC

M3 - Article

AN - SCOPUS:105051897653

SN - 2470-0010

VL - 113

JO - Physical Review D

JF - Physical Review D

IS - 11

M1 - 112003

ER -

Observation and branching fraction measurements of (Formula presented)

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