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Study of the decay (Formula presented). / BESIII Collaboration ; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 111, No. 5, 052012, 03.2025.

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

Harvard

BESIII Collaboration & Мучной, НЮ 2025, 'Study of the decay (Formula presented)', Physical Review D, vol. 111, no. 5, 052012. https://doi.org/10.1103/PhysRevD.111.052012

APA

BESIII Collaboration, & Мучной, Н. Ю. (2025). Study of the decay (Formula presented). Physical Review D, 111(5), [052012]. https://doi.org/10.1103/PhysRevD.111.052012

Vancouver

BESIII Collaboration, Мучной НЮ. Study of the decay (Formula presented). Physical Review D. 2025 Mar;111(5):052012. doi: 10.1103/PhysRevD.111.052012

Author

BESIII Collaboration ; Мучной, Николай Юрьевич. / Study of the decay (Formula presented). In: Physical Review D. 2025 ; Vol. 111, No. 5.

BibTeX

@article{b22c11c1ef644140b284605534837be0,
title = "Study of the decay (Formula presented)",
abstract = "Using (Formula presented) (Formula presented) events collected with the BESIII detector operating at the BEPCII collider, we have observed the decay (Formula presented) for the first time with a statistical significance of (Formula presented). Its branching fraction is measured to be (Formula presented), where the first uncertainty is statistical and the second is systematic. The result is consistent with the previous measurement of its isospin partner process (Formula presented), aligning with the naive expectation of isospin symmetry. In addition, we search for potential intermediate states in the (Formula presented) ((Formula presented)) invariant mass distribution and a possible threshold enhancement in the (Formula presented) system, but no conclusive evidence of them is observed.",
author = "{BESIII Collaboration} and Achasov, {M. N.} and Nikolaev, {I. B.} and Мучной, {Николай Юрьевич}",
year = "2025",
month = mar,
doi = "10.1103/PhysRevD.111.052012",
language = "English",
volume = "111",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Study of the decay (Formula presented)

AU - BESIII Collaboration

AU - Achasov, M. N.

AU - Nikolaev, I. B.

AU - Мучной, Николай Юрьевич

PY - 2025/3

Y1 - 2025/3

N2 - Using (Formula presented) (Formula presented) events collected with the BESIII detector operating at the BEPCII collider, we have observed the decay (Formula presented) for the first time with a statistical significance of (Formula presented). Its branching fraction is measured to be (Formula presented), where the first uncertainty is statistical and the second is systematic. The result is consistent with the previous measurement of its isospin partner process (Formula presented), aligning with the naive expectation of isospin symmetry. In addition, we search for potential intermediate states in the (Formula presented) ((Formula presented)) invariant mass distribution and a possible threshold enhancement in the (Formula presented) system, but no conclusive evidence of them is observed.

AB - Using (Formula presented) (Formula presented) events collected with the BESIII detector operating at the BEPCII collider, we have observed the decay (Formula presented) for the first time with a statistical significance of (Formula presented). Its branching fraction is measured to be (Formula presented), where the first uncertainty is statistical and the second is systematic. The result is consistent with the previous measurement of its isospin partner process (Formula presented), aligning with the naive expectation of isospin symmetry. In addition, we search for potential intermediate states in the (Formula presented) ((Formula presented)) invariant mass distribution and a possible threshold enhancement in the (Formula presented) system, but no conclusive evidence of them is observed.

UR - https://www.mendeley.com/catalogue/dc94099c-f1a2-3081-a9aa-021c440fecff/

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-105001099224&origin=inward&txGid=48e152a8aa5b8236a244935145efacf7

U2 - 10.1103/PhysRevD.111.052012

DO - 10.1103/PhysRevD.111.052012

M3 - Article

VL - 111

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 5

M1 - 052012

ER -

ID: 65139913