Study of hc→3(π+π−)π0, hc→2(π+π−)ω, hc→2(π+π−)π0η, hc→2(π+π−)η, and hc→pp¯

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Study of hc→3(π+π−)π0, hc→2(π+π−)ω, hc→2(π+π−)π0η, hc→2(π+π−)η, and hc→pp¯. / The BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич.

в: Physical Review D, Том 109, № 7, 072018, 30.04.2024.

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

BibTeX

@article{3fe723324816497f859395b7f97c51ab,

title = "Study of hc→3(π+π−)π0, hc→2(π+π−)ω, hc→2(π+π−)π0η, hc→2(π+π−)η, and hc→pp¯",

abstract = "Based on (2712.4±14.1)×106 ψ(3686) events collected with the BESIII detector, we study the decays hc→3(π+π-)π0, hc→2(π+π-)ω, hc→2(π+π-)π0η, hc→2(π+π-)η, and hc→pp¯ via ψ(3686)→π0hc. The decay channel hc→3(π+π-)π0 is observed for the first time, and its branching fraction is determined to be (9.28±1.14±0.77)×10-3, where the first uncertainty is statistical and the second is systematic. In addition, first evidence is found for the modes hc→2(π+π-)π0η and hc→2(π+π-)ω with significances of 4.8σ and 4.7σ, and their branching fractions are determined to be (7.55±1.51±0.77)×10-3 and (4.00±0.86±0.35)×10-3, respectively. No significant signals of hc→2(π+π-)η and hc→pp¯ are observed, and the upper limits of the branching fractions of these decays are determined to be ",

author = "{BESIII Collaboration} and M. Ablikim and M. n. Achasov and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",

year = "2024",

month = apr,

day = "30",

doi = "10.1103/PhysRevD.109.072018",

language = "English",

volume = "109",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "7",

}

RIS

TY - JOUR

T1 - Study of hc→3(π+π−)π0, hc→2(π+π−)ω, hc→2(π+π−)π0η, hc→2(π+π−)η, and hc→pp¯

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/4/30

Y1 - 2024/4/30

N2 - Based on (2712.4±14.1)×106 ψ(3686) events collected with the BESIII detector, we study the decays hc→3(π+π-)π0, hc→2(π+π-)ω, hc→2(π+π-)π0η, hc→2(π+π-)η, and hc→pp¯ via ψ(3686)→π0hc. The decay channel hc→3(π+π-)π0 is observed for the first time, and its branching fraction is determined to be (9.28±1.14±0.77)×10-3, where the first uncertainty is statistical and the second is systematic. In addition, first evidence is found for the modes hc→2(π+π-)π0η and hc→2(π+π-)ω with significances of 4.8σ and 4.7σ, and their branching fractions are determined to be (7.55±1.51±0.77)×10-3 and (4.00±0.86±0.35)×10-3, respectively. No significant signals of hc→2(π+π-)η and hc→pp¯ are observed, and the upper limits of the branching fractions of these decays are determined to be

AB - Based on (2712.4±14.1)×106 ψ(3686) events collected with the BESIII detector, we study the decays hc→3(π+π-)π0, hc→2(π+π-)ω, hc→2(π+π-)π0η, hc→2(π+π-)η, and hc→pp¯ via ψ(3686)→π0hc. The decay channel hc→3(π+π-)π0 is observed for the first time, and its branching fraction is determined to be (9.28±1.14±0.77)×10-3, where the first uncertainty is statistical and the second is systematic. In addition, first evidence is found for the modes hc→2(π+π-)π0η and hc→2(π+π-)ω with significances of 4.8σ and 4.7σ, and their branching fractions are determined to be (7.55±1.51±0.77)×10-3 and (4.00±0.86±0.35)×10-3, respectively. No significant signals of hc→2(π+π-)η and hc→pp¯ are observed, and the upper limits of the branching fractions of these decays are determined to be

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85192160783&origin=inward&txGid=c2fd530224227582b420468a79e1406a

U2 - 10.1103/PhysRevD.109.072018

DO - 10.1103/PhysRevD.109.072018

M3 - Article

VL - 109

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 7

M1 - 072018

ER -

ID: 62761131