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Broad-range neutron spectra identification in ultraintense laser interactions with carbon-deuterated plasma
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10.1063/1.2131847
/content/aip/journal/pop/12/11/10.1063/1.2131847
http://aip.metastore.ingenta.com/content/aip/journal/pop/12/11/10.1063/1.2131847
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

View of the experimental setup. The , , laser was focused on a CD2 target at an intensity of . Two neutron detectors were positioned at 2.17 and from the target at angles 20° and 70° relative to the target normal, respectively.

Image of FIG. 2.
FIG. 2.

The measured neutron spectra observed at (a) 20° and (b) 70°. The spectra observed at 20° extend from to and that observed at 70° extend from to . The two arrows display the maximum energy range of the neutron spectra for each observation angle.

Image of FIG. 3.
FIG. 3.

(Color online). The energy spectrum of the accelerated deuterium ions inside the target from 2D PIC simulation. The energy spectrum can be fitted to two temperatures (100 and ). The bulk ions whose temperatures are very low and are not accelerated by the laser light are excluded from the fitting.

Image of FIG. 4.
FIG. 4.

Comparison between the measured neutron spectra (black) and the calculated spectra for the reaction by 3D Monte Carlo code (gray) at (a) 20° and (b) 70°. The reaction can introduce an acceptable interpretation for the measured neutron spectra from up to for the neutrons observed at 20° and from up to for those observed at 70°. The arrows display the produced neutron spectra by the reaction and the maximum energy ranges of the neutron spectra produced by the and reactions.

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/content/aip/journal/pop/12/11/10.1063/1.2131847
2005-11-17
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Broad-range neutron spectra identification in ultraintense laser interactions with carbon-deuterated plasma
http://aip.metastore.ingenta.com/content/aip/journal/pop/12/11/10.1063/1.2131847
10.1063/1.2131847
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