Mass and atomic-number identification (ID) of reaction products is a fundamental requirement of any nuclear reaction study. An effective particle-ID method is demonstrated, based on pulse shape analysis/discrimination (PSD) applied to large-area, single-element silicon detectors. This technique uses commercial electronic modules and achieves atomic number resolution rivaling that typically obtained with multi-element (ΔE - E) detector telescopes. The method is applied to the CHIMERA detector system without compromising its time-of-flight (TOF) resolution. In-beam tests of the PSD method have been performed with large-area, 300-μm thick CHIMERA silicon detectors, measuring particles from the 19F + 12C reaction at Tandem energies. Performance of a simple PSD set up is discussed, for front and rear particle injection.

Particle identification via pulse shape analysis for large-area silicon detectors of the CHIMERA array / M. Alderighi, F. Amorini, A. Anzalone, N. Arena, L. Auditore, R. Bassini, C. Boiano, G. Cardella, S. Cavallaro, M. Chatterjee, M. D'Andrea, E. De Filippo, F. Fichera, E. Geraci, F. Giustolisi, N. Guardone, A. Grimaldi, P. Guazzoni, E. La Guidara, G. Lanzanò, G. Lanzalone, C. Maiolino, D. Nicotra, A. Pagano, M. Papa, S. Pirrone, G. Politi, F. Porto, A. Pullia, F. Rizzo, S. Russo, P. Russotto, D. Santonocito, G. Saccà, M. Sassi, W. Schröder, G. Sechi, A. Trifirò, J. Töke, M. Trimarchi, S. Urso, L. Zetta. - In: IEEE TRANSACTIONS ON NUCLEAR SCIENCE. - ISSN 0018-9499. - 52:5(2005), pp. 1624-1629.

Particle identification via pulse shape analysis for large-area silicon detectors of the CHIMERA array

P. Guazzoni;A. Pullia;M. Sassi;L. Zetta
Ultimo
2005

Abstract

Mass and atomic-number identification (ID) of reaction products is a fundamental requirement of any nuclear reaction study. An effective particle-ID method is demonstrated, based on pulse shape analysis/discrimination (PSD) applied to large-area, single-element silicon detectors. This technique uses commercial electronic modules and achieves atomic number resolution rivaling that typically obtained with multi-element (ΔE - E) detector telescopes. The method is applied to the CHIMERA detector system without compromising its time-of-flight (TOF) resolution. In-beam tests of the PSD method have been performed with large-area, 300-μm thick CHIMERA silicon detectors, measuring particles from the 19F + 12C reaction at Tandem energies. Performance of a simple PSD set up is discussed, for front and rear particle injection.
atomic beams ; optical telescopes ; signal detection ; charge identification ; planar silicon detector ; pulse shape ; pulse shaping circuits
Settore FIS/04 - Fisica Nucleare e Subnucleare
Settore FIS/01 - Fisica Sperimentale
Settore ING-INF/01 - Elettronica
2005
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/205587
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