The Signal-to-Noise Ratio of a Silicon Tracking System Module for the BM@N Experiment

D. V. Dementev; Дементьев Д. В.; M. O. Shitenkov; Шитенков М. О.; V. V. Leontyev; Леонтьев В. В.; N. V. Sukhov; Сухов Н. В.; A. D. Sheremetev; Шереметьев А. Д.; Yu. A. Murin; Мурин Ю. А.

doi:10.31857/S0032816223010111

The Signal-to-Noise Ratio of a Silicon Tracking System Module for the BM@N Experiment

Authors: Dementev D.V.¹, Shitenkov M.O.¹, Leontyev V.V.¹^,2, Sukhov N.V.¹, Sheremetev A.D.¹, Murin Y.A.¹
Affiliations:
1. Veksler and Baldin Laboratory of High Energy Physics, Joint Institute for Nuclear Research
2. Skobel’tsyn Institute of Nuclear Physics, Moscow State University
Issue: No 1 (2023)
Pages: 23-32
Section: ТЕХНИКА ЯДЕРНОГО ЭКСПЕРИМЕНТА
URL: https://rjmseer.com/0032-8162/article/view/670590
DOI: https://doi.org/10.31857/S0032816223010111
EDN: https://elibrary.ru/JSRETI
ID: 670590

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Abstract

A module with a double-sided microstrip silicon sensor is the basic element of the silicon tracking system (STS) for the BM@N experiment. The signal-to-noise ratio is the main parameter of the tracking system for a high-energy physics experiment, which is determined by the complex influence of the parameters of the detector and the front-end electronics. An analytical model of various noise sources is presented, and parameters determining the efficiency of charge collection from the detector are discussed. The noise has been measured for several module configurations differing in the sensor size and the length of the signal cable connecting the sensor strips to the input circuits of the front-end electronics. Results of measurements of the signal from a 106Ru β-source are presented. It is shown that the signal-to-noise ratio for STS modules is at least 18.

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