Simulations of neutron emission in the irradiation of deuterated polyethylene by ultrahigh-intensity laser pulses

The neutron yield from deuterated polyethylene targets irradiated by ultrahigh-intensity laser pulses was calculated in a wide range of pulse energies. The resultant data are in better agreement with available experimental data than the data of the corresponding simulations performed by other author...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2011-04, Vol.41 (4), p.377-381
Main Authors: Andreev, Stepan N, Garanin, Sergey G, Rukhadze, Anri A, Tarakanov, V P, Yakutov, B P
Format: Article
Language:English
Subjects:
BARYONS
CHARGED PARTICLES
DATA
DEUTERONS
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
EMISSION
EXPERIMENTAL DATA
FERMIONS
HADRONS
INFORMATION
IRRADIATION
LASER RADIATION
MATERIALS SCIENCE
NEUTRON EMISSION
NEUTRONS
NUCLEONS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POLYETHYLENES
POLYMERS
POLYOLEFINS
PULSES
RADIATIONS
SIMULATION
YIELDS
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Summary:The neutron yield from deuterated polyethylene targets irradiated by ultrahigh-intensity laser pulses was calculated in a wide range of pulse energies. The resultant data are in better agreement with available experimental data than the data of the corresponding simulations performed by other authors earlier. The neutron pulse duration was shown to exceed the laser pulse duration by more than an order of magnitude. We also showed that the neutron yield accompanying the irradiation of a laminated target of deuterated polyethylene is, thanks to redistribution of deuteron fluxes in its volume, substantially higher in comparison with the irradiation of a continuous target (effects of laser radiation on matter)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2011v041n04ABEH014501