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Titolo:
K-SHELL AND L-SHELL X-RAY SPECTROSCOPIC MEASUREMENTS OF FUEL AND PUSHER DOPANTS IN INDIRECTLY DRIVEN ICF IMPLOSIONS
Autore:
HAMMEL BA; KEANE CJ; DITTRICH TR; KANIA DR; KILKENNY JD; LEE RW; LEVEDAHL WK;
Indirizzi:
LAWRENCE LIVERMORE NATL LAB,LAWRENCE LIVERMORE NATL LAB,L-473,POB 808LIVERMORE CA 94551
Titolo Testata:
Journal of quantitative spectroscopy & radiative transfer
fascicolo: 1-2, volume: 51, anno: 1994,
pagine: 113 - 124
SICI:
0022-4073(1994)51:1-2<113:KALXSM>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHOTON-ESCAPE PROBABILITIES; HIGH-DENSITY; ABSORPTION-SPECTROSCOPY; LINE-SHAPES; PLASMAS; TEMPERATURE; DIAGNOSIS; EQUATION; MODEL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
B.A. Hammel et al., "K-SHELL AND L-SHELL X-RAY SPECTROSCOPIC MEASUREMENTS OF FUEL AND PUSHER DOPANTS IN INDIRECTLY DRIVEN ICF IMPLOSIONS", Journal of quantitative spectroscopy & radiative transfer, 51(1-2), 1994, pp. 113-124

Abstract

Time resolved x-ray spectroscopy is used to study the implosion of indirectly driven inertial confinement fusion capsules on the Nova laser. Through the use of high-Z dopants (Ar and Xe) in the fuel, measurements of the peak temperature, from emission line ratios, and density, from line broadening, are obtained. These measurements indicate peak electron temperatures of approximately 1-1.6 keV and electron and deuteron densities in the range of 1.0-2.0 x 10(24) cm-3, depending on the type of laser drive used. The higher densities are achieved on targets that are driven with a shaped laser drive that allows a more isentropic compression of the fuel. The spectra of high-Z pusher dopants have also been studied. These dopants can provide information on pusher conditions and can be used to study hydrodynamic mix at the pusher fuel interface.

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Documento generato il 23/09/20 alle ore 08:10:04