Электронная библиотека (репозиторий) Томского государственного университета
Chelkov, G. A. | 2015

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Source: Physical Review D. 2015. Vol. 92, № 1. P. 012014-1-012014-11
Type: статьи в журналах
Date: 2015
Description: Based on a sample of 1.31×109 J/ψ events collected with the BESIII detector at the BEPCII collider, Dalitz plot analyses of selected 79,625 η→π+π−π0 events, 33,908 η→π0π0π0 events, and 1,888 η′→π0π0π0 ... More
Source: Physical Review D. 2015. Vol. 92, № 1. P. 012001-1-012001-11
Type: статьи в журналах
Date: 2015
Description: We report the first observation of the Dalitz decay η′→γe+e−, based on a data sample of 1.31 billion J/ψ events collected with the BESIII detector. The η′ mesons are produced via the J/ψ→γη′ decay pro ... More
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