Multiplicity dependence of inclusive J/ψ production at midrapidity in pp collisions at √s = 13 TeV
ALICE Collaboration. (2020). Multiplicity dependence of inclusive J/ψ production at midrapidity in pp collisions at √s = 13 TeV. Physics Letters B, 810, Article 135758. https://doi.org/10.1016/j.physletb.2020.135758
Julkaistu sarjassa
Physics Letters BTekijät
Päivämäärä
2020Oppiaine
FysiikkaYdin- ja kiihdytinfysiikan huippuyksikköPhysicsCentre of Excellence in Nuclear and Accelerator Based PhysicsTekijänoikeudet
© 2020 European Organization for Nuclear Research. Published by Elsevier B.V. Funded by SCOAP3.
Measurements of the inclusive J/ψ yield as a function of charged-particle pseudorapidity density dNch/dη in pp collisions at √s=13 TeV with ALICE at the LHC are reported. The J/ψ meson yield is measured at midrapidity (|y|<0.9) in the dielectron channel, for events selected based on the charged-particle multiplicity at midrapidity (|η|<1) and at forward rapidity (−3.7<−1.7 and 2.8<5.1); both observables are normalized to their corresponding averages in minimum bias events. The increase of the normalized J/ψ yield with normalized dNch/dη is significantly stronger than linear and dependent on the transverse momentum. The data are compared to theoretical predictions, which describe the observed trends well, albeit not always quantitatively.
Julkaisija
ElsevierISSN Hae Julkaisufoorumista
0370-2693Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/42616404
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