Observation of e+e- →ηhc at center-of-mass energies from 4.085 to 4.600 GeV

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Observation of e+e- →ηhc at center-of-mass energies from 4.085 to 4.600 GeV	429 KB	Adobe Acrobat PDF	View Details	Download
DOI Доступ к ресурсу на сайте издателя				10.1103/PhysRevD.96.012001

Title: Observation of e+e- →ηhc at center-of-mass energies from 4.085 to 4.600 GeV
Creator: Ablikim, M.
Creator: Ahmed, S.
Creator: Chelkov, G. A.
Creator: Achasov, M. N.
Subject: BESIII, детектор
BEPCII, коллайдер
Date: 2017
DOI: 10.1103/PhysRevD.96.012001
Description: We observe for the first time the process e+e−→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section is measured to be (9.5−2.0+2.2±2.7) pb. Evidence for ηhc is observed at s=4.358 GeV with a Born cross section of (10.0−2.7+3.1±2.6) pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.

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collection(s): Радиофизический факультет
Identifier: vtls:000626129
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000626129
Type: статьи в журналах
Source: Physical Review D. 2017. Vol. 96, № 1. P. 012001-1-012001-13
Language: eng

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Радиофизический факультет Observation of e+e- →ηhc at center-of-mass energies from 4.085 to 4.600 GeV