| Issue |
EPJ Web Conf.
Volume 199, 2019
MESON 2018 – 15th International Workshop on Meson Physics
|
|
|---|---|---|
| Article Number | 02020 | |
| Number of page(s) | 6 | |
| Section | Light Systems | |
| DOI | https://doi.org/10.1051/epjconf/201919902020 | |
| Published online | 01 February 2019 | |
https://doi.org/10.1051/epjconf/201919902020
Mesons in NA61/SHINE
Institute of Nuclear Physics, Polish Academy of Sciences, PL-31342 Kraków, Poland
* e-mail: antoni.marcinek@gmail.com
Published online: 1 February 2019
This contribution presents a selection of recent results on meson production from the NA61/SHINE experiment. The results include spectra of ø mesons in p + p collisions at 40, 80 and 158 GeV/c beam momenta, as well as π±, K±, ρ0, ω and K*0 mesons in π− + C collisions at 158 GeV/c and 350 GeV/c. They are compared with predictions of several models. A spectacular failure of considered models is observed for ø, ρ0 and K*0 production. Also a very peculiar system size dependence of the longitudinal evolution of ø production, contrasting with all other measured hadrons, is shown. Finally, preliminary results on spectator-induced electromagnetic effects in π± production in Ar + Sc at 150A GeV/c are presented, bringing information on space-time evolution of the hot and dense matter created in the collision.
© The Authors, published by EDP Sciences, 2019
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