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Modeling the bremsstrahlung of 30-60 MeV electrons. Source term calculation

Published online by Cambridge University Press:  17 June 2005

M. Mirea ,
O. Bajeat ,
F. Clapier ,
M. Hassaine ,
F. Ibrahim ,
A. C. Mueller ,
N. Pauwels ,
J. Proust ,
D. Verney  and
R. Antoni
...Show all authors
M. Mirea
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France Institute of Physics and Nuclear Engineering, P.O. Box MG-6, Bucarest, Romania
O. Bajeat
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France
F. Clapier
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France
M. Hassaine
Affiliation:
Institute of Physics and Nuclear Engineering, P.O. Box MG-6, Bucarest, Romania Université de Tours, 37200 Tours, France
F. Ibrahim
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France
A. C. Mueller
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France
N. Pauwels
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France Laboratoire pour l'Utilisation du Rayonnement Électromagnétique, 91898 Orsay Cedex, France
J. Proust
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France
D. Verney
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France Grand Accélérateur National d'Ions Lourds, 14021 Caen Cedex, France
R. Antoni
Affiliation:
Commissariat à l'Énergie Atomique Saclay, 91191 Gif-sur-Yvette, France
L. Bourgois
Affiliation:
Commissariat à l'Énergie Atomique Saclay, 91191 Gif-sur-Yvette, France
S. Kandri-Rody
Affiliation:
Institut de Physique Nucléaire, 91406 Orsay Cedex, France Université Chouaib Doukkali, B.P. 20, El Jadida, Maroc
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Abstract

The photofission process has been recently considered for the production of neutron rich isotopes and the development of radioactive beams. The radioprotection hazard should be studied accordingly. A survey of the radiative electron energy loss theory is reported in order to estimate numerically the bremsstrahlung production of thick targets. The resulted bremsstrahlung angular and energy theoretical distributions delivered from W and UCx thick converters are presented and compared with previous results. This study is focused on initial kinetic energies of the electron beam included in the range 30-60 MeV, suitable for the production of large photon yields able to induce the 238U fission. The source term for 50 MeV incident electrons is reported for radioprotection purposes.

Keywords

bremsstrahlungfission238Uradiological, technological enhancement
Type
Research Article
Information
Radioprotection , Volume 37 , Issue 4 , October 2002 , pp. 503 - 515
Copyright
© EDP Sciences, 2002

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