Development of a pulse reconstruction routine for Transistor-Reset Preamplifiers for (n,xn) measurements using HPGe detectors at the n_TOF facility at CERN


Published: Apr 1, 2019
Keywords:
HPGe pulse shape analysis nTOF CERN TRP
A. Stamatopoulos
M. Kokkoris
R. Vlastou
N. Patronis
L. Tassan-Got
D. Bosnar
A. Tsinganis
M. Diakaki
P. Zugec
T. Glodariu
A. Negret
The nTOF collaboration
Abstract
The knowledge of neutron induced cross-sections is essential both for applications as well as for the refinement of nuclear model parameters. Amongst other reactions, (n,xn) are equally important, however the determination of such cross-sections could be limited by current experimental techniques. In this respect, feasibility studies have been performed at the n_TOF facility at CERN concerning the study of (n,xn) reactions by detecting the prompt γ radiation emitted from the residual nuclei an experimental technique which required the use of a Transistor Reset Preamplifier (TRP) set-up. The digital acquisition system at n_TOF is accompanied by a pulse shape analysis framework which lacked the capability of dealing with TRP, therefore a new reconstruction routine had to be developed. A brief description and the first preliminary results are presented.
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