In this paper we report the results of the electron spin resonance (ESR) study of the radiation-induced signal of watch glasses exposed to neutrons. This work extends the series of analyses of the response of watch glasses to various radiation beams which our research group is carrying out for possible applications in retrospective dosimetry. We have considered fluences up to about 3x1011 cm 2. We evaluated the signal fading and we found that in the first hours after exposure the signal rapidly decreases. After about 1000 h, it decreases much more slowly. The signal was reduced by about 25% in about 5 months. The radiation induced signal is found to be linearly dependent on neutron fluence and an estimate of the lowest detectable fluence is provided.

Marrale, M., Longo, A., Brai, M., & Tomarchio, E. (2012). ESR response of watch glasses to neutron irradiation. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS, B292(B292 (2012)), 30-33 [10.1016/j.nimb.2012.09.018].

ESR response of watch glasses to neutron irradiation

MARRALE, Maurizio;LONGO, Anna;BRAI, Maria;TOMARCHIO, Elio Angelo
2012

Abstract

In this paper we report the results of the electron spin resonance (ESR) study of the radiation-induced signal of watch glasses exposed to neutrons. This work extends the series of analyses of the response of watch glasses to various radiation beams which our research group is carrying out for possible applications in retrospective dosimetry. We have considered fluences up to about 3x1011 cm 2. We evaluated the signal fading and we found that in the first hours after exposure the signal rapidly decreases. After about 1000 h, it decreases much more slowly. The signal was reduced by about 25% in about 5 months. The radiation induced signal is found to be linearly dependent on neutron fluence and an estimate of the lowest detectable fluence is provided.
Settore FIS/07 - Fisica Applicata(Beni Culturali, Ambientali, Biol.e Medicin)
Settore ING-IND/20 - Misure E Strumentazione Nucleari
Marrale, M., Longo, A., Brai, M., & Tomarchio, E. (2012). ESR response of watch glasses to neutron irradiation. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS, B292(B292 (2012)), 30-33 [10.1016/j.nimb.2012.09.018].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10447/71965
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