NDLI: Classification of light charged particles in a nuclear physics experiment

Content Provider	IEEE Xplore Digital Library
Author	Previdi, F. Savaresi, S.M. Guazzoni, P. Zetta, L.
Copyright Year	2008
Abstract	The problem considered in this work is pulse shape discrimination in a nuclear physics experiment. Each nucleus produced in the collision of a heavy ion beam over a target enters a detector and creates a light pulse signal measured by a digital acquisition system. The pulse shape contains complete information on the hitting particle, but it includes also the dynamics of the charge preamplifier used in the measurement. In this work, a complete procedure for the particle identification is proposed. First, a model of the charge preamplifier is estimated using experiments specifically devoted to this aim. Then, the measured pulses are filtered through the inverse model of the preamplifier and, then, a subspace method is used to estimate a linear model of the light generation process in the detector. Finally, the expectation-maximization algorithm is used for particle classification on the basis of the estimated parameters of the light pulses. This work focuses on light charged particles (LCP), which are the most difficult to detect and to classify. All the experiments are made with the large detector array CHIMERA (charge heavy ions mass and energy resolving array).
Starting Page	1177
Ending Page	1182
File Size	361713
Page Count	6
File Format	PDF
ISBN	9781424422227
DOI	10.1109/CCA.2008.4629621
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control systems USA Councils Conferences
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Classification of light charged particles in a nuclear physics experiment