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Titolo:
MEASURING IMPLOSION SYMMETRY AND CORE CONDITIONS IN THE NATIONAL-IGNITION-FACILITY
Autore:
PETRASSO RD; LI CK; CABLE MD; POLLAINE SM; HAAN SW; BERNAT TP; KILKENNY JD; CREMER S; KNAUER JP; VERDON CP; KREMENS RL;
Indirizzi:
MIT,CTR PLASMA FUS CAMBRIDGE MA 02139 LAWRENCE LIVERMORE NATL LAB LIVERMORE CA 94550 UNIV ROCHESTER,LASER ENERGET LAB ROCHESTER NY 14627
Titolo Testata:
Physical review letters
fascicolo: 13, volume: 77, anno: 1996,
pagine: 2718 - 2721
SICI:
0031-9007(1996)77:13<2718:MISACC>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
INERTIAL CONFINEMENT FUSION; ENERGY-LOSS; SCATTERING; TARGETS; PLASMAS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
29
Recensione:
Indirizzi per estratti:
Citazione:
R.D. Petrasso et al., "MEASURING IMPLOSION SYMMETRY AND CORE CONDITIONS IN THE NATIONAL-IGNITION-FACILITY", Physical review letters, 77(13), 1996, pp. 2718-2721

Abstract

Tertiary protons with birth energies from 27 to 30.8 MeV result from the implosion of ignition-scale inertial confinement fusion targets, such as those planned for the National Ignition Facility. Measurement of the tertiaries' slowing can provide a determination of the imploded areal density of the fuel capsule, as well as information about implosion asymmetry that results from anisotropy of the areal density and plasma temperature. To determine the utility of tertiaries for all phases of ignition experiments, we analyze three representative cases: a gas capsule (0.7 kJ yield), a cryogenic fuel capsule that fails to ignite (15 kJ), and a cryogenic fuel capsule that ignites and burns (13 000kJ). In each case, tertiaries escape from the capsule and convey critical information about implosion dynamics.

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Documento generato il 27/09/20 alle ore 22:09:30