Branching fraction measurements of ψ(3686) →γχcJ

M. Ablikim; M. N. Achasov; S. Ahmed; M. Albrecht; A. Amoroso; J. Z. Bai; Z. Haddadi; N. Kalantar-Nayestanaki; M. Kavatsyuk; H. Löhner; J. G. Messchendorp; M. Tiemens; BESIII Collaboration

doi:10.1103/PhysRevD.96.032001

Branching fraction measurements of ψ(3686) →γχ_cJ

M. Ablikim, M. N. Achasov, S. Ahmed, M. Albrecht, A. Amoroso, J. Z. Bai, Z. Haddadi, N. Kalantar-Nayestanaki, M. Kavatsyuk, H. Löhner, J. G. Messchendorp, M. Tiemens, BESIII Collaboration

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Using a sample of 106 million ψ(3686) decays, the branching fractions of ψ(3686)→γχc0, ψ(3686)→γχc1, and ψ(3686)→γχc2 are measured with improved precision to be (9.389±0.014±0.332)%, (9.905±0.011±0.353)%, and (9.621±0.013±0.272)%, respectively, where the first uncertainties are statistical and the second ones are systematic. The product branching fractions of ψ(3686)→γχc1,χc1→γJ/ψ and ψ(3686)→γχc2,χc2→γJ/ψ and the branching fractions of χc1→γJ/ψ and χc2→γJ/ψ are also presented.

Originele taal-2	English
Artikelnummer	032001
Tijdschrift	Physical Review D
Volume	96
Nummer van het tijdschrift	3
DOI's	https://doi.org/10.1103/PhysRevD.96.032001
Status	Published - 14-aug.-2017

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@article{ef8c4d6fd5d74a1482aa5e602c6b2259,

title = "Branching fraction measurements of ψ(3686) →γχcJ",

abstract = "Using a sample of 106 million ψ(3686) decays, the branching fractions of ψ(3686)→γχc0, ψ(3686)→γχc1, and ψ(3686)→γχc2 are measured with improved precision to be (9.389±0.014±0.332)%, (9.905±0.011±0.353)%, and (9.621±0.013±0.272)%, respectively, where the first uncertainties are statistical and the second ones are systematic. The product branching fractions of ψ(3686)→γχc1,χc1→γJ/ψ and ψ(3686)→γχc2,χc2→γJ/ψ and the branching fractions of χc1→γJ/ψ and χc2→γJ/ψ are also presented.",

keywords = "STATES, MONTE-CARLO, RADIATIVE DECAYS, SPECTROSCOPY, QUARKONIA",

author = "M. Ablikim and Achasov, {M. N.} and S. Ahmed and M. Albrecht and A. Amoroso and Bai, {J. Z.} and Z. Haddadi and N. Kalantar-Nayestanaki and M. Kavatsyuk and H. L{\"o}hner and Messchendorp, {J. G.} and M. Tiemens and {BESIII Collaboration}",

year = "2017",

month = aug,

day = "14",

doi = "10.1103/PhysRevD.96.032001",

language = "English",

volume = "96",

journal = "Physical Review D",

issn = "1550-7998",

publisher = "AMER PHYSICAL SOC",

number = "3",

}

TY - JOUR

T1 - Branching fraction measurements of ψ(3686) →γχcJ

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Amoroso, A.

AU - Bai, J. Z.

AU - Haddadi, Z.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Löhner, H.

AU - Messchendorp, J. G.

AU - Tiemens, M.

AU - BESIII Collaboration

PY - 2017/8/14

Y1 - 2017/8/14

N2 - Using a sample of 106 million ψ(3686) decays, the branching fractions of ψ(3686)→γχc0, ψ(3686)→γχc1, and ψ(3686)→γχc2 are measured with improved precision to be (9.389±0.014±0.332)%, (9.905±0.011±0.353)%, and (9.621±0.013±0.272)%, respectively, where the first uncertainties are statistical and the second ones are systematic. The product branching fractions of ψ(3686)→γχc1,χc1→γJ/ψ and ψ(3686)→γχc2,χc2→γJ/ψ and the branching fractions of χc1→γJ/ψ and χc2→γJ/ψ are also presented.

AB - Using a sample of 106 million ψ(3686) decays, the branching fractions of ψ(3686)→γχc0, ψ(3686)→γχc1, and ψ(3686)→γχc2 are measured with improved precision to be (9.389±0.014±0.332)%, (9.905±0.011±0.353)%, and (9.621±0.013±0.272)%, respectively, where the first uncertainties are statistical and the second ones are systematic. The product branching fractions of ψ(3686)→γχc1,χc1→γJ/ψ and ψ(3686)→γχc2,χc2→γJ/ψ and the branching fractions of χc1→γJ/ψ and χc2→γJ/ψ are also presented.

KW - STATES

KW - MONTE-CARLO

KW - RADIATIVE DECAYS

KW - SPECTROSCOPY

KW - QUARKONIA

U2 - 10.1103/PhysRevD.96.032001

DO - 10.1103/PhysRevD.96.032001

M3 - Article

SN - 1550-7998

VL - 96

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032001

ER -