f(0)(980) resonance production in pp collisions with the ALICE detector at the LHC

0503097 - ÚJF 2020 RIV NL eng J - Článek v odborném periodiku
Lorenzo, A. - Acharya, S. - Acosta, F. T. - Adamová, Dagmar - Bielčík, J. - Bielčíková, Jana - Broz, M. - Contreras, J. G. - Horák, D. - Křížek, Filip - Kučera, Vít - Kushpil, Svetlana - Lavička, R. - Mareš, Jiří A. - Petráček, V. - Šumbera, Michal - Závada, Petr … celkem 1019 autorů
f(0)(980) resonance production in pp collisions with the ALICE detector at the LHC.
Nuclear Physics. A. Roč. 982, č. 2 (2019), s. 201-203. ISSN 0375-9474. E-ISSN 1873-1554.
[27th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 2018). Venice, 13.05.2018-19.05.2018]
Institucionální podpora: RVO:68378271 ; RVO:61389005
Klíčová slova: ALICE collaboration * resonances * hadronic phase
Obor OECD: Nuclear physics; Particles and field physics (FZU-D)
Impakt faktor: 1.695, rok: 2019
Způsob publikování: Open access
https://doi.org/10.1016/j.nuclphysa.2018.09.023

We report on a preliminary study of the production of f(0)(980) -> pi(+)pi(-) at mid-rapidity (vertical bar y vertical bar < 0.5) performed with the ALICE detector at the LHC in minimum bias pp collisions at the centre-of-mass energy root s = 5.02 TeV. The f(0)(980) signal extraction is challenging due to the large background from correlated pi(+)pi(-) pairs from other resonance decays in the invariant mass window under study, as well as due to the combinatorics from uncorrelated pairs. We present the strategy for the signal extraction and first results in terms of p(T)-dependent production yields. The results are discussed and compared with production yields of other resonances and stable hadrons.
Trvalý link: http://hdl.handle.net/11104/0294919