Measurement of the Łambda_c⁺ to D^0 production ratio in periphera PbPb collisions at \sqrts_NN = 5.02 TeV

Авторы: AБережной А.В., Горелов И.В., Данилина А.В., Козачук А.Д., Лефлат А.К., Никитин Н.В., Саврина Д.В., Волков В.Ю., Жуков В.Ю., LHCb Collaboration
Журнал: Journal of High Energy Physics
Том: 6
Год издания: 2023
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
Первая страница: 132
DOI: 10.1007/JHEP06(2023)132
Аннотация: We report on a measurement of the Λc+Λc+ to D00 production ratio in peripheral PbPb collisions at sNNsNN = 5.02 TeV with the LHCb detector in the forward rapidity region 2 < y < 4.5. The Λc+Λc+ (D00) hadrons are reconstructed via the decay channel Λc+Λc+→ pK−−π++ (D00→ K−−π++) for 2 < pTT< 8 GeV/c and in the centrality range of about 65–90%. The results show no significant dependence on pTT, y or the mean number of participating nucleons. They are also consistent with similar measurements obtained by the LHCb collaboration in pPb and Pbp collisions at sNNsNN = 5.02 TeV. The data agree well with predictions from PYTHIA in pp collisions at ss = 5 TeV but are in tension with predictions of the Statistical Hadronization model.
Добавил в систему: Бережной Александр Викторович

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