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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
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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 - 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 - Cai, H.
AU - Cai, X.
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