Pulse Shape Discrimination Using a Single Silicon Detector

Details Pulse Shape Discrimination Using a Single Silicon Detector Pulse Shape Discrimination Using a Single Silicon Detector

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..dnp.ck026h&link_type=abstract

American Physical Society, Division of Nuclear Physics Meeting, 27-30 October, 2004, Chicago, IL. MEETING ID: DNP04., abstract #

Physics

Nuclear Physics

Scientific paper

Good isotopic resolution has long been obtained from solid state detectors, but generally requires the setup of a Δ E-E telescope. However, it has been predicted that the leading edge of the pulse contains information on a particle's mass, charge, and energy, implying that pulse shape discrimination can be applied to solid state detectors. This has been supported by recent experiments at the University of Jycäskylä [1] and the Laboratori Naxionali del Sud [2]. We have investigated the possibility of pulse shape discrimination in solid state detectors using a rear side injected ntd silicon detector and a standard electronic system. We measured light charged particles and intermediate mass fragments from the reaction of 36Ar+Au, Zn at 40 MeV per nucleon. This data was collected in conjunction with a silicon telescope, so what we could accurately correlate components on the Δ E vs. E plots with structures on the E vs. time plots generated by PSD. Using the pulse shape information from the ntd detector we obtained clear Z separation, with some evidence of A separation between 7Be and 9Be. [1] M. Mutterer, et al., IEEE Trans. Nucl. Science 47 (2000) 756. [2] J. Lu, et al., Nucl. Instr. And Meth. in Phy. Res. A 471 (2001) 374.

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