Publication: Energy dependence of exclusive J/ photoproduction off protons in ultra-peripheral p-Pb collisions at NN=5.02 TeV
Дата
2019
Авторы
Acharya, S.
Acosta, F. T.
Adam, J.
Adamova, D.
Belyaev, V.
Bogdanov, A.
Bolozdynya, A.
Grigoriev, V.
Kaplin, V.
Kondratyeva, N.
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Аннотация
The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of J/ vector mesons off proton targets in ultra-peripheral p-Pb collisions at a centre-of-mass energy per nucleon pair =5.02 TeV. The e+e- and +- decay channels are used to measure the cross section as a function of the rapidity of the J/ in the range -2.5<y<2.7, corresponding to an energy in the p centre-of-mass in the interval 40<Wp<550 GeV. The measurements, which are consistent with a power law dependence of the exclusive J/ photoproduction cross section, are compared to previous results from HERA and the LHC and to several theoretical models. They are found to be compatible with previous measurements.
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Цитирование
Energy dependence of exclusive J/ photoproduction off protons in ultra-peripheral p-Pb collisions at NN=5.02 TeV / Acharya, S [et al.] // European Physical Journal C. - 2019. - 79. - № 5. - 10.1140/epjc/s10052-019-6816-2
URI
https://www.doi.org/10.1140/epjc/s10052-019-6816-2
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https://openrepository.mephi.ru/handle/123456789/18028
https://www.scopus.com/record/display.uri?eid=2-s2.0-85065713622&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000467802800001
https://openrepository.mephi.ru/handle/123456789/18028