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arXiv · 2305.17847

Trigger efficiencies of a proposed beam monitoring detector (BeBe) for p+p collisions at NICA energies

Marco Alberto Ayala-Torres·Lucina Gabriela Espinoza Beltrán·Luis A. Hernández-Cruz·Luis Manuel Montaño·Eduardo Moreno-Barbosa·C. H. Zepeda Fernández
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Abstract

The Multipurpose Detector (MPD) consists of a typical array of sub-detectors to study the nuclear matter originating from the collisions of beams provided by the Nuclotron-based Ion Collider fAcility (NICA). A beam monitoring detector~(BeBe) is proposed for stage 2 of MPD to increase the trigger capabilities. BeBe is constituted of two plastic scintillator disks segmented in 80 cells $\pm~2~m$ away from the interaction point of MPD. Laboratory measurements to obtain the energy resolution of an individual BeBe cell prototype are presented. It is shown that an energy resolution of $22\pm6\%$ can be obtained. Based on Monte Carlo simulations, the trigger efficiencies of the BeBe are presented for p+p collisions at 11~GeV considering a threshold in the energy loss of the charged particles reaching the detector.

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Marco Alberto Ayala-Torres, Lucina Gabriela Espinoza Beltrán, Luis A. Hernández-Cruz, Luis Manuel Montaño, Eduardo Moreno-Barbosa, C. H. Zepeda Fernández. 2023-05-29. Trigger efficiencies of a proposed beam monitoring detector (BeBe) for p+p collisions at NICA energies. https://arxiv.org/abs/2305.17847

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