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Search for jet quenching effects in high-multiplicity proton-proton collisions at root s = 13 TeV
- 1.0552960 - ÚJF 2022 RIV IT eng C - Konferenční příspěvek (zahraniční konf.)
Kotliarov, Artem
Search for jet quenching effects in high-multiplicity proton-proton collisions at root s = 13 TeV.
Proceedings of Science. Vol. 397. Trieste: Sissa Medialab srl, 2021, č. článku 183. ISSN 1824-8039.
[Annual Conference on Large Hadron Collider Physics (LHCP2021) /9./. Paris (FR), 07.06.2021-12.06.2021]
Grant CEP: GA MŠMT(CZ) LTT17018
Výzkumná infrastruktura: CERN-CZ II - 90104
Institucionální podpora: RVO:61389005
Klíčová slova: ALICE collaboration * particle multiplicity * proton proton collisions
Obor OECD: Particles and field physics
https://pos.sissa.it/397/183/pdf
The ALICE Collaboration presents results of a search for jet quenching effects in high-particle multiplicity pp collisions at root s = 13 TeV. The analysis is based on the semi-inclusive acoplanarity spectrum of charged jets recoiling from a high-pT trigger-track. Significant broadening and suppression of the recoil jet acoplanarity distribution is observed in high-multiplicity pp collisions in real data. However, similar features are also seen in events simulated by the PYTHIA 8 Monash Monte Carlo generator. The simulation reveals that the observed effects result from a bias induced by the ALICE high-multiplicity trigger, which enhances the probability to have a high-pT recoil jet in the forward trigger detectors and which biases towards multi-jet final states.
Trvalý link: http://hdl.handle.net/11104/0328015
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