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Molecules 2014, 19(10), 17052-17065; doi:10.3390/molecules191017052

Ion Acceleration and D-D Nuclear Fusion in Laser-Generated Plasma from Advanced Deuterated Polyethylene

Dipartimento di Fisica e SdT, Università di Messina, V.le S.F. d'Alcontres 31, 98166 S. Agata, Messina, Italy
Received: 17 July 2014 / Revised: 13 October 2014 / Accepted: 16 October 2014 / Published: 23 October 2014
(This article belongs to the Special Issue Deuterated Molecules and Polymers for Neutron Studies)
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Abstract

Deuterated polyethylene targets have been irradiated by means of a 1016 W/cm2 laser using 600 J pulse energy, 1315 nm wavelength, 300 ps pulse duration and 70 micron spot diameter. The plasma parameters were measured using on-line diagnostics based on ion collectors, SiC detectors and plastic scintillators, all employed in time-of-flight configuration. In addition, a Thomson parabola spectrometer, an X-ray streak camera, and calibrated neutron dosimeter bubble detectors were employed. Characteristic protons and neutrons at maximum energies of 3.0 MeV and 2.45 MeV, respectively, were detected, confirming that energy spectra of reaction products coming from deuterium-deuterium nuclear fusion occur. In thick advanced targets a fusion rate of the order of 2 × 108 fusions per laser shot was calculated. View Full-Text
Keywords: D-D fusion; laser-generated plasma; time-of-flight measurements D-D fusion; laser-generated plasma; time-of-flight measurements
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Torrisi, L. Ion Acceleration and D-D Nuclear Fusion in Laser-Generated Plasma from Advanced Deuterated Polyethylene. Molecules 2014, 19, 17052-17065.

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