Publication: Measurement of ϕ meson production in p+ p interactions at 40, 80 and 158GeV/c with the NA61/SHINE spectrometer at the CERN SPS: NA61/SHINE Collaboration
Дата
2020
Авторы
Aduszkiewicz, A.
Andronov, E. V.
Anticic, T.
Babkin, V.
Brandin, A.
Golosov, O.
Kargin, N.
Kashirin, E.
Morozov, S.
Selyuzhenkov, I.
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Аннотация
© 2020, The Author(s).Results on ϕ meson production in inelastic p+ p collisions at CERN SPS energies are presented. They are derived from data collected by the NA61/SHINE fixed target experiment, by means of invariant mass spectra fits in the ϕ→ K+K- decay channel. They include the first ever measured double differential spectra of ϕ mesons as a function of rapidity y and transverse momentum pT for proton beam momenta of 80GeV/c and 158GeV/c, as well as single differential spectra of y or pT for beam momentum of 40GeV/c. The corresponding total ϕ yields per inelastic p+ p event are obtained. These results are compared with existing data on ϕ meson production in p+ p collisions. The comparison shows consistency but superior accuracy of the present measurements. The emission of ϕ mesons in p+ p reactions is confronted with that occurring in Pb + Pb collisions, and the experimental results are compared with model predictions. It appears that none of the considered models can properly describe all the experimental observations.
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Measurement of ϕ meson production in p+ p interactions at 40, 80 and 158GeV/c with the NA61/SHINE spectrometer at the CERN SPS: NA61/SHINE Collaboration / Aduszkiewicz, A. [et al.] // European Physical Journal C. - 2020. - 80. - № 3. - 10.1140/epjc/s10052-020-7675-6
URI
https://www.doi.org/10.1140/epjc/s10052-020-7675-6
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https://openrepository.mephi.ru/handle/123456789/20353
https://www.scopus.com/record/display.uri?eid=2-s2.0-85080897266&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000528714200005
https://openrepository.mephi.ru/handle/123456789/20353