Time resolution studies for scintillating plastics coupled to silicon photo-multipliers

15 Jan 2019 · Alvarado Mauricio, Ayala Alejandro, Ayala-Torres Marco Alberto, Bietenholz Wolfgang, Dominguez Isabel, Fontaine Marcos, González-Zamora P., Montaño Luis Manuel, Barbosa E. Moreno, Salazar Miguel Enrique Patiño, Ortiz V. Z. Reyna, Cahuantzi M. Rodríguez, Muńoz G. Tejeda, Tejeda-Yeomans Maria Elena, Valenzuela-Cázares Luis, Fernández C. H. Zepeda ·

We present results for time resolution studies performed on three different scintillating plastics and two silicon photo-multipliers. These studies are intended to determine whether scintillating plastic/silicon photo-multiplier systems can be employed to provide a fast trigger signal for NICA's Multi Purpose Detector (MPD). Our results show that such a system made of cells with transverse dimensions of order of a few cm, coupled to silicon photo-multipliers, provides a time resolution of about 50 ps, which can be even further improved to attain the MPD trigger requirements of 20 ps.

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Time resolution studies for scintillating plastics coupled to silicon photo-multipliers

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