LET effects on the hydrogen production induced by the radiolysis of pure water

F. Crumière, J. Vandenborre, Rachid Essehli, G. Blain, J. Barbet, M. Fattahi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Radiation chemical primary yields g(H2) have been determined for irradiations performed with 60Co γ-rays source of LCP (Orsay, France) and with helium ion beams (Eα=5.0MeV-64.7MeV) using protective agent bromide anions in solution. The α (4He2+) irradiation experiments were performed either at CEMHTI or at the new ARRONAX cyclotron facility (2010). Both sources (γ and cyclotrons) allow working with a large LET value range between 0.23 and 151.5keV/μm. On one hand, the obtained results have been compared with those available in the literature and plotted as a function of the LET parameter in order to discuss the effects of track structure on the production of molecular hydrogen. On the other hand, the primary radiation chemistry yield g(H2) values are compared with global radiation chemical yields G(H2) obtained during irradiations of pure water irradiated under air or argon without scavenging. For each system, it appears that radiation chemical yields increase with the LET value. Our results suggest that using bromide anions, at low concentration, as a protective agent becomes ineffective when the LET value used is higher than 120±20keV/μm.

Original languageEnglish
Pages (from-to)74-79
Number of pages6
JournalRadiation Physics and Chemistry
Volume82
Issue number1
DOIs
Publication statusPublished - Jan 2013
Externally publishedYes

Fingerprint

hydrogen production
radiolysis
irradiation
cyclotrons
bromides
radiation
water
anions
radiation chemistry
helium ions
scavenging
France
low concentrations
rays
ion beams
argon
air
hydrogen

Keywords

  • Alpha irradiation
  • Gamma irradiation
  • LET parameter
  • Molecular hydrogen radiation chemical yield
  • Scavenging efficiency
  • Water radiolysis

ASJC Scopus subject areas

  • Radiation

Cite this

LET effects on the hydrogen production induced by the radiolysis of pure water. / Crumière, F.; Vandenborre, J.; Essehli, Rachid; Blain, G.; Barbet, J.; Fattahi, M.

In: Radiation Physics and Chemistry, Vol. 82, No. 1, 01.2013, p. 74-79.

Research output: Contribution to journalArticle

Crumière, F. ; Vandenborre, J. ; Essehli, Rachid ; Blain, G. ; Barbet, J. ; Fattahi, M. / LET effects on the hydrogen production induced by the radiolysis of pure water. In: Radiation Physics and Chemistry. 2013 ; Vol. 82, No. 1. pp. 74-79.
@article{9de098345be04bd7980d16faccd48ae6,
title = "LET effects on the hydrogen production induced by the radiolysis of pure water",
abstract = "Radiation chemical primary yields g(H2) have been determined for irradiations performed with 60Co γ-rays source of LCP (Orsay, France) and with helium ion beams (Eα=5.0MeV-64.7MeV) using protective agent bromide anions in solution. The α (4He2+) irradiation experiments were performed either at CEMHTI or at the new ARRONAX cyclotron facility (2010). Both sources (γ and cyclotrons) allow working with a large LET value range between 0.23 and 151.5keV/μm. On one hand, the obtained results have been compared with those available in the literature and plotted as a function of the LET parameter in order to discuss the effects of track structure on the production of molecular hydrogen. On the other hand, the primary radiation chemistry yield g(H2) values are compared with global radiation chemical yields G(H2) obtained during irradiations of pure water irradiated under air or argon without scavenging. For each system, it appears that radiation chemical yields increase with the LET value. Our results suggest that using bromide anions, at low concentration, as a protective agent becomes ineffective when the LET value used is higher than 120±20keV/μm.",
keywords = "Alpha irradiation, Gamma irradiation, LET parameter, Molecular hydrogen radiation chemical yield, Scavenging efficiency, Water radiolysis",
author = "F. Crumi{\`e}re and J. Vandenborre and Rachid Essehli and G. Blain and J. Barbet and M. Fattahi",
year = "2013",
month = "1",
doi = "10.1016/j.radphyschem.2012.07.010",
language = "English",
volume = "82",
pages = "74--79",
journal = "Radiation Physics and Chemistry",
issn = "0969-806X",
publisher = "Elsevier Limited",
number = "1",

}

TY - JOUR

T1 - LET effects on the hydrogen production induced by the radiolysis of pure water

AU - Crumière, F.

AU - Vandenborre, J.

AU - Essehli, Rachid

AU - Blain, G.

AU - Barbet, J.

AU - Fattahi, M.

PY - 2013/1

Y1 - 2013/1

N2 - Radiation chemical primary yields g(H2) have been determined for irradiations performed with 60Co γ-rays source of LCP (Orsay, France) and with helium ion beams (Eα=5.0MeV-64.7MeV) using protective agent bromide anions in solution. The α (4He2+) irradiation experiments were performed either at CEMHTI or at the new ARRONAX cyclotron facility (2010). Both sources (γ and cyclotrons) allow working with a large LET value range between 0.23 and 151.5keV/μm. On one hand, the obtained results have been compared with those available in the literature and plotted as a function of the LET parameter in order to discuss the effects of track structure on the production of molecular hydrogen. On the other hand, the primary radiation chemistry yield g(H2) values are compared with global radiation chemical yields G(H2) obtained during irradiations of pure water irradiated under air or argon without scavenging. For each system, it appears that radiation chemical yields increase with the LET value. Our results suggest that using bromide anions, at low concentration, as a protective agent becomes ineffective when the LET value used is higher than 120±20keV/μm.

AB - Radiation chemical primary yields g(H2) have been determined for irradiations performed with 60Co γ-rays source of LCP (Orsay, France) and with helium ion beams (Eα=5.0MeV-64.7MeV) using protective agent bromide anions in solution. The α (4He2+) irradiation experiments were performed either at CEMHTI or at the new ARRONAX cyclotron facility (2010). Both sources (γ and cyclotrons) allow working with a large LET value range between 0.23 and 151.5keV/μm. On one hand, the obtained results have been compared with those available in the literature and plotted as a function of the LET parameter in order to discuss the effects of track structure on the production of molecular hydrogen. On the other hand, the primary radiation chemistry yield g(H2) values are compared with global radiation chemical yields G(H2) obtained during irradiations of pure water irradiated under air or argon without scavenging. For each system, it appears that radiation chemical yields increase with the LET value. Our results suggest that using bromide anions, at low concentration, as a protective agent becomes ineffective when the LET value used is higher than 120±20keV/μm.

KW - Alpha irradiation

KW - Gamma irradiation

KW - LET parameter

KW - Molecular hydrogen radiation chemical yield

KW - Scavenging efficiency

KW - Water radiolysis

UR - http://www.scopus.com/inward/record.url?scp=84870370037&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84870370037&partnerID=8YFLogxK

U2 - 10.1016/j.radphyschem.2012.07.010

DO - 10.1016/j.radphyschem.2012.07.010

M3 - Article

VL - 82

SP - 74

EP - 79

JO - Radiation Physics and Chemistry

JF - Radiation Physics and Chemistry

SN - 0969-806X

IS - 1

ER -