Energy dependence of φ(1020) production at mid-rapidity in pp collisions with ALICE at the LHC



Acharya, S, Acosta, FT, Adamova, D, Adolfsson, J, Aggarwal, MM, Rinella, G Aglieri, Agnello, M, Agrawal, N, Ahammed, Z, Ahn, SU
et al (show 1008 more authors) (2019) Energy dependence of φ(1020) production at mid-rapidity in pp collisions with ALICE at the LHC .

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Abstract

Hadronic resonances are unique tools to investigate the interplay of re-scattering and regeneration effects during the hadronization phase in heavy-ion collisions. Measurements in small collision systems provide a necessary baseline for heavy-ion data, help to tune pQCD inspired event generators and give insight into the search for the onset of collective effects. As the ϕ meson has a longer lifetime compared to other resonances, it is expected that its production would be much less affected by regeneration and re-scattering processes. We report on measurements of ϕ meson production in minimum bias pp collisions at different beam energies and as a function of charged particle multiplicity with the ALICE detector at the LHC. The results include the transverse momentum (p T) distributions of ϕ as well as the particle yield ratios. Finally, we have also studied the ϕ effective strangeness content by comparing our results to theoretical calculations.

Item Type: Conference Item (Unspecified)
Uncontrolled Keywords: Resonances, Strangeness Enhancement, Particle production mechanism, Hadronic phase
Depositing User: Symplectic Admin
Date Deposited: 07 May 2019 08:30
Last Modified: 16 Jun 2026 05:49
DOI: 10.1016/j.nuclphysa.2018.09.078
Open Access URL: https://doi.org/10.1016/j.nuclphysa.2018.09.078
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3039995
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