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Titolo:
Particle simulation study for fast ignitor research: fast ion generation by laser plasma interaction
Autore:
Miyamoto, S; Mima, K;
Indirizzi:
Osaka Univ, Inst Laser Engn, Suita, Osaka 565, Japan Osaka Univ Suita Osaka Japan 565 Inst Laser Engn, Suita, Osaka 565, Japan
Titolo Testata:
FUSION ENGINEERING AND DESIGN
, volume: 44, anno: 1999,
pagine: 249 - 253
SICI:
0920-3796(199902)44:<249:PSSFFI>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Keywords:
fast ignitor scheme; ultra intense laser; electron;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
4
Recensione:
Indirizzi per estratti:
Indirizzo: Miyamoto, S Osaka Univ, Inst Laser Engn, 2-6 Yamada Oka, Suita, Osaka 565,Japan Osaka Univ 2-6 Yamada Oka Suita Osaka Japan 565 aka 565, Japan
Citazione:
S. Miyamoto e K. Mima, "Particle simulation study for fast ignitor research: fast ion generation by laser plasma interaction", FUSION ENG, 44, 1999, pp. 249-253

Abstract

In the fast ignitor scheme, an ultra intense laser is applied to accelerate an electron in a solid density plasma. When the laser photon pressure exceeds the plasma pressure, the ultra intense laser starts to accelerate the ion. In a relatively low intensity region, it is found that a shock wave isformed and high energy ions are produced due to the reflection at the shock front, in contrast with the high intensity case where the laser energy isdirectly converted to the ion kinetic energy. This transition of the ion acceleration mechanism results from the excess of the Mach number of the shock over its critical number. In this paper, the transition mechanism of ionacceleration and energy conversion efficiency are discussed. (C) 1999 Published by Elsevier Science S.A. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 15:23:52