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Studies on radiation generation and symmetrization in two-side irradiated heavy-ion beam Hohlraums1

Published online by Cambridge University Press:  09 March 2009

V.F. Ermolovich ,
G.N. Remizov ,
Yu. A. Romanov ,
N.A. Ryabikina ,
R.M. Shagaliev ,
L.L. Vakhlamova ,
V.V. Vatulin ,
O.A. Vinokurov ,
K.-H. Kang  and
J.A. Maruhn
...Show all authors
V.F. Ermolovich
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
G.N. Remizov
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
Yu. A. Romanov
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
N.A. Ryabikina
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
R.M. Shagaliev
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
L.L. Vakhlamova
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
V.V. Vatulin
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
O.A. Vinokurov
Affiliation:
Russian Federal Nuclear Center—VNIIEF, 607200 Arzamas-16, Russia
K.-H. Kang
Affiliation:
Institut für Theoretische Physik, Universitát Frankfurt, P.O. Box 111932, 60054 Frankfurt, Germany
J.A. Maruhn
Affiliation:
Institut für Theoretische Physik, Universitát Frankfurt, P.O. Box 111932, 60054 Frankfurt, Germany
R. Bockf
Affiliation:
Gesellschaft für Schwerionenforschung, Planckstr. 1, 64291 Darmstadt, Germany
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Abstract

The properties of heavy-ion induced fusion targets with two-sided illumination and with the converters placed completely inside the Hohlraum have been investigated using integrated simulations based on the SATURN and MIMOZA code packages in order to check the results obtained with the view-factor method in previous work, which is briefly reviewed. Separate converter simulations show the importance of an accurate treatment of radiation transport but also demonstrate that a converter efficiency of 40–80% can be achieved easily depending on the detailed converter material and geometry. For the complete target, a gas fill is shown to be necessary, and it turned out to be very important to allow some of the radiation shields to become partially transparent during the evolution. In the most favorable case, an asymmetry in the temperature on the capsule of about 5% was achieved, leading to a reduction of the neutron yield by a factor of 7 compared to an ideally symmetric situation.

Type
Research Article
Information
Laser and Particle Beams , Volume 16 , Issue 3 , September 1998 , pp. 525 - 532
Copyright
Copyright © Cambridge University Press 1998

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