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20 April 2024

» arxiv » 1008.4075

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Ionization signals from electrons and alpha-particles in mixtures of liquid Argon and Nitrogen - perspectives on protons for Gamma Resonant Nuclear Absorption applications
M. Zeller ; I. Badhrees ; S. Delaquis ; A. Ereditato ; S. Janos ; I. Kreslo ; M. Messina ; U. Moser ; B. Rossi ;
Date:	24 Aug 2010
Abstract:	In this paper we report on a detailed study of ionization signals produced by Compton electrons and alpha-particles in a Time Projection Chamber (TPC) flled with different mixtures of liquid Argon and Nitrogen. The measurements were carried out with Nitrogen concentrations up to 15% and a drift electric feld in the range 0-50 kV/cm. A prediction for proton ionization signals is made by means of interpolation. This study has been conducted in view of the possible use of liquid Ar-N2 TPCs for the detection of gamma-rays in the resonant band of the Nitrogen absorption spectrum, a promising technology for security and medical applications.
Source:	arXiv, 1008.4075
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