TY  - JOUR
AU  - LHCb Collaboration (Aaij, R. et al
AU  - Jashal, B. K.
AU  - Martinez-Vidal, F.
AU  - Oyanguren, A.
AU  - Remon Alepuz, C.
AU  - Ruiz Vidal, J.
PY  - 2022
DA  - 2022//
TI  - Centrality determination in heavy-ion collisions with the LHCb detector
T2  - J. Instrum.
JO  - Journal of Instrumentation
SP  - P05009 - 31pp
VL  - 17
IS  - 5
PB  - IOP Publishing Ltd
KW  - Pattern recognition
KW  - cluster finding
KW  - calibration and fitting methods
KW  - Performance of High Energy Physics Detectors
KW  - Simulation methods and programs
AB  - The centrality of heavy-ion collisions is directly related to the created medium in these interactions. A procedure to determine the centrality of collisions with the LHCb detector is implemented for lead-lead collisions root s(NN) = 5 TeV and lead-neon fixed-target collisions at root s(NN) = 69 GeV. The energy deposits in the electromagnetic calorimeter are used to determine and define the centrality classes. The correspondence between the number of participants and the centrality for the lead-lead collisions is in good agreement with the correspondence found in other experiments, and the centrality measurements for the lead-neon collisions presented here are performed for the first time in fixed-target collisions at the LHC.
SN  - 1748-0221
UR  - https://arxiv.org/abs/2111.01607
UR  - https://doi.org/10.1088/1748-0221/17/05/P05009
DO  - 10.1088/1748-0221/17/05/P05009
LA  - English
N1  - WOS:000832952600001
ID  - LHCbCollaborationAaij_etal2022
ER  -