Measurement of higher-order multipole amplitudes in ψ (3686) →γχc1,2 with χc1,2 →γJ /ψ and search for the transition ηc (2S) →γJ /ψ

doi:10.1103/PhysRevD.95.072004

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Measurement of higher-order multipole amplitudes in ψ (3686) →γχc1,2 with χc1,2 →γJ /ψ and search for the transition ηc (2S) →γJ /ψ	555 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1103/PhysRevD.95.072004

#мультипольные амплитуды

#BESIII, детектор

Title: Measurement of higher-order multipole amplitudes in ψ (3686) →γχc1,2 with χc1,2 →γJ /ψ and search for the transition ηc (2S) →γJ /ψ
Creator: Ablikim, M.
|
Ai, X. C.
|
Chelkov, G. A.
|
Achasov, M. N.
Date: 2017
DOI: 10.1103/PhysRevD.95.072004
Description: Using 106 ×106 ψð3686Þ events collected with the BESIII detector, we measure multipole amplitudes for the decay ψð3686Þ → γχc1;2 → γγJ=ψ beyond the dominant electric-dipole amplitudes. The normalized magnetic-quadrupole (M2) amplitude for ψð3686Þ → γχc1;2 → γγJ=ψ and the normalized electricoctupole amplitudes for ψð3686Þ → γχc2, χc2 → γJ=ψ are determined. The M2 amplitudes for ψð3686Þ → γχc1 and χc1;2 → γJ=ψ are found to differ significantly from zero and are consistent with

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collection(s): Радиофизический факультет
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Physical Review D. 2017. Vol. 95, № 7. P. 072004-1-072004-13
Language: eng

Created: 03-10-2017

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Радиофизический факультет Measurement of higher-order multipole amplitudes in ψ (3686) →γχc1,2 with χc1,2 →γJ /ψ and search for the transition ηc (2S) →γJ /ψ