Measurement of the production cross-section of ψ(2S) → J/ψ(→μ + μ − )π + π − in pp collisions at s√ = 7 TeV at ATLAS /G. Aad, B. Abbott, J. Abdallah [et.al.]

Электронный ресурс
Другой Автор
Aad, G.
Abdallah, J.
Chelkov, G. A.
Abbott, B.
Источник
Journal of high energy physics 2014 № 9. P. 079 (1-48)
Аннотация
The prompt and non-prompt production cross-sections for (2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7TeV recorded by the ATLAS experiment at the LHC. The measurement exploits the (2S) ! J/ (! μ+μ−)+− decay mode, and probes (2S) mesons with transverse momenta in the range 10 pT < 100 GeV and rapidity |y| < 2.0. The results are compared to other measurements of (2S) production at the LHC and to various theoretical models for prompt and non-prompt quarkonium production.
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$a The prompt and non-prompt production cross-sections for  (2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7TeV recorded by the ATLAS experiment at the LHC. The measurement exploits the  (2S) ! J/ (! μ+μ−)+− decay mode, and probes  (2S) mesons with transverse momenta in the range 10 pT < 100 GeV and rapidity |y| < 2.0. The results are compared to other measurements of  (2S) production at the LHC and to various theoretical models for prompt and non-prompt quarkonium production.
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Предмет
статьи, опубликованные в зарубежных изданиях
Резюме
The prompt and non-prompt production cross-sections for (2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7TeV recorded by the ATLAS experiment at the LHC. The measurement exploits the (2S) ! J/ (! μ+μ−)+− decay mode, and probes (2S) mesons with transverse momenta in the range 10 pT < 100 GeV and rapidity |y| < 2.0. The results are compared to other measurements of (2S) production at the LHC and to various theoretical models for prompt and non-prompt quarkonium production.