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Development of a low–cost γ–ray spectrometry PMT adapter

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C. Andrikopoulos, G. Zagoraios, T. J. Mertzimekis, E. Tsilis, H. E. Nistazakis
C. Andrikopoulos, G. Zagoraios, T. J. Mertzimekis, E. Tsilis, H. E. Nistazakis

Abstract


A crucial part of any scintillator–based spectroscopy experiment is the photomultiplier tube (PMT) and its associate electronics, typically coming in the form of a PMT adapter responsible for amplifying and digitizing the record pulses. Commercial adapters are typically expensive, therefore a more practical and costless solution is in dire need. In the present work, a light–weight, portable electronic circuit was constructed from scratch based on the open–access Theremino design [1] to play the role of a PMT adapter responsible for the processing of the PMT output signal. The adapter is universally compatible with PMTs and with any computer with a built–in sound card. The PC sound card acts as the digitizer of the signal, which is subsequently analyzed by the Theremino MCA analysis software [1]. The construction of this handmade, easily reproducible circuit, increases drastically the ability to perform spectroscopy measurements with the currently available scintillators in our lab.

Keywords


PMT adapter; Theremino MCA; Soundcard

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References


Theremino MCA, url: http://www.theremino.com/en/blog/gamma-spectrometry

Gamma Spectacular PRA, url: http://www.gammaspectacular.com/pra-spectrometry-software




DOI: http://dx.doi.org/10.12681/hnps.1829

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Copyright (c) 2019 C. Andrikopoulos, G. Zagoraios, T. J. Mertzimekis, E. Tsilis, H. E. Nistazakis

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