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Measurement of branching fractions of ψ (3686) →φη′, φf1 (1285) and φη (1405). / The BESIII Collaboration.
в: Physical Review D, Том 100, № 9, 092003, 11.11.2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Measurement of branching fractions of ψ (3686) →φη′, φf1 (1285) and φη (1405)
AU - BESIII Collaboration
AU - Ablikim, M.
AU - Achasov, M. N.
AU - Adlarson, P.
AU - Ahmed, S.
AU - Albrecht, M.
AU - Alekseev, M.
AU - Amoroso, A.
AU - An, F. F.
AU - An, Q.
AU - Bai, Y.
AU - Bakina, O.
AU - Baldini Ferroli, R.
AU - Ban, Y.
AU - Begzsuren, K.
AU - Bennett, J. V.
AU - Berger, N.
AU - Bertani, M.
AU - Bettoni, D.
AU - Bianchi, F.
AU - Biernat, J.
AU - Bloms, J.
AU - Boyko, I.
AU - Briere, R. A.
AU - Cai, H.
AU - Cai, X.
AU - Calcaterra, A.
AU - Cao, G. F.
AU - Cao, N.
AU - Cetin, S. A.
AU - Chai, J.
AU - Chang, J. F.
AU - Chang, W. L.
AU - Chelkov, G.
AU - Chen, D. Y.
AU - Chen, G.
AU - Chen, H. S.
AU - Chen, J. C.
AU - Chen, M. L.
AU - Chen, S. J.
AU - Chen, Y. B.
AU - Cheng, W.
AU - Cibinetto, G.
AU - Cossio, F.
AU - Cui, X. F.
AU - Dai, H. L.
AU - Dai, J. P.
AU - Dai, X. C.
AU - Dbeyssi, A.
AU - Muchnoi, N. Yu
AU - Nikolaev, I. B.
N1 - Publisher Copyright: © 2019 authors. Published by the American Physical Society. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.
PY - 2019/11/11
Y1 - 2019/11/11
N2 - Using a sample of 448.1×106 ψ(3686) events collected with the BESIII detector, we perform a study of the decay ψ(3686)→φπ+π-η. The branching fraction of ψ(3686)→φη′ is determined to be (1.51±0.16±0.12)×10-5, which is consistent with the previous measurement but with significantly improved precision. The resonances f1(1285) and η(1405) are clearly observed in the π+π-η mass spectrum with statistical significances of 18σ and 9.7σ, respectively. The corresponding product branching fractions are measured to be B(ψ(3686)→φf1(1285), f1(1285)→π+π-η)=(1.03±0.10±0.09)×10-5 and B(ψ(3686)→φη(1405), η(1405)→π+π-η)=(8.46±1.37±0.92)×10-6. These results are used to test the perturbative QCD "12% rule."
AB - Using a sample of 448.1×106 ψ(3686) events collected with the BESIII detector, we perform a study of the decay ψ(3686)→φπ+π-η. The branching fraction of ψ(3686)→φη′ is determined to be (1.51±0.16±0.12)×10-5, which is consistent with the previous measurement but with significantly improved precision. The resonances f1(1285) and η(1405) are clearly observed in the π+π-η mass spectrum with statistical significances of 18σ and 9.7σ, respectively. The corresponding product branching fractions are measured to be B(ψ(3686)→φf1(1285), f1(1285)→π+π-η)=(1.03±0.10±0.09)×10-5 and B(ψ(3686)→φη(1405), η(1405)→π+π-η)=(8.46±1.37±0.92)×10-6. These results are used to test the perturbative QCD "12% rule."
KW - E(+)E(-)
UR - http://www.scopus.com/inward/record.url?scp=85075150607&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.100.092003
DO - 10.1103/PhysRevD.100.092003
M3 - Article
AN - SCOPUS:85075150607
VL - 100
JO - Physical Review D
JF - Physical Review D
SN - 2470-0010
IS - 9
M1 - 092003
ER -
ID: 23376719