A beam-beam monitoring detector for the MPD experiment at NICA

Abstract

The Multi-Purpose Detector (MPD) is to be installed at the Nuclotron Ion Collider fAcility (NICA) of the Joint Institute for Nuclear Research (JINR). Its main goal is to study the phase diagram of the strongly interacting matter produced in heavy-ion collisions. These studies, while providing insight into the physics of heavy-ion collisions, are relevant for improving our understanding of the evolution of the early Universe and the formation of neutron stars. In order to extend the MPD trigger capabilities, we propose to include a high granularity beam-beam monitoring detector (BE-BE) to provide a level-0 trigger signal with an expected time resolution of 30 ps. This new detector will improve the determination of the reaction plane by the MPD experiment, a key measurement for flow studies that provides physics insight into the early stages of the reaction. In this work, we use simulated Au+Au collisions at NICA energies to show the potential of such a detector to determine the event plane resolution, providing further redundancy to the detectors originally considered for this purpose namely, the Fast Forward Detector (FFD) and the Hadron Calorimeter (HCAL). We also show our results for the time resolution studies of two prototype cells carried out at the T10 beam line at the CERN PS complex.

arXiv comment16 pages, 12 figures. Updated to published version with added comments and corrections

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Cited by in corpus (5)

• Status and initial physics performance studies of the MPD experiment at NICA
• A deep learning approach to multi-track location and orientation in gaseous drift chambers
• Electric charge estimation using a SensL SiPM
• Performance of BeBe, a proposed dedicated beam-beam monitoring detector for the MPD-NICA experiment at JINR
• Intrinsic time resolution and efficiency characterization for two size of BC-404 plastic scintillators studies in Geant4