Publication:
Measurement of prompt ψ(2S) production cross sections in proton–lead and proton–proton collisions at s NN =5.02TeV

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1-s2.0-S0370269319300838-main.pdf(978.22 KB)
Дата
2019
Авторы
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Matveev, V.
Chistov, R.
Danilov, M.
Dremin, I.
Parygin, P.
Philippov, D.
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Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
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© 2019 The Author Measurements of prompt ψ(2S) meson production cross sections in proton–lead (pPb) and proton–proton (pp) collisions at a nucleon–nucleon center-of-mass energy of s NN =5.02TeV are reported. The results are based on pPb and pp data collected by the CMS experiment at the LHC, corresponding to integrated luminosities of 34.6 nb −1 and 28.0 pb −1 , respectively. The nuclear modification factor R pPb is measured for prompt ψ(2S) in the transverse momentum range 4<p T <30GeV/c and the center-of-mass rapidity range −2.4<y CM <1.93. The results on ψ(2S) R pPb are compared to the corresponding modification factor for prompt J/ψ mesons. The results point to different nuclear effects at play in the production of the excited charmonium state compared to the ground state, in the region of backward rapidity and for p T <10GeV/c.
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Measurement of prompt ψ(2S) production cross sections in proton–lead and proton–proton collisions at s NN =5.02TeV / Sirunyan, A.M. [et al.] // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 2019. - 790. - P. 509-532. - 10.1016/j.physletb.2019.01.058
URI
https://www.doi.org/10.1016/j.physletb.2019.01.058
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85061282315&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000460118200065
 https://openrepository.mephi.ru/handle/123456789/16554
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