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Experimental study of the efficiency of a SDD X‐ray detector by means of PIXE spectra
Author(s) -
Limandri S.,
Bernardi G.,
Suárez S.
Publication year - 2013
Publication title -
x‐ray spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.447
H-Index - 45
eISSN - 1097-4539
pISSN - 0049-8246
DOI - 10.1002/xrs.2508
Subject(s) - detector , quantum efficiency , spectral line , efficiency , silicon , materials science , x ray detector , analytical chemistry (journal) , stoichiometry , physics , optics , chemistry , optoelectronics , mathematics , statistics , chromatography , astronomy , estimator
The efficiency of a silicon drift detector with ultrathin window was studied for energies between 0.27 and 25 keV. Experimental values of the X‐ray yields from samples of known stoichiometry were obtained by impact of 2 MeV protons. By using theoretical calculations of these yields the relative efficiency of the detector was evaluated. The results are compared with efficiency values obtained from the window transmission and the detector quantum efficiency. A quantitative analysis of a particle induced X‐ray emission spectrum for a reference sample was performed in order to evaluate the consistency of the data presented in this work. Copyright © 2013 John Wiley & Sons, Ltd.

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