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D-D nuclear fusion processes induced in polyethylene foams by TW Laser-generated plasma
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SYSNO ASEP 0447608 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title D-D nuclear fusion processes induced in polyethylene foams by TW Laser-generated plasma Author(s) Torrisi, L. (IT)
Cutroneo, Mariapompea (UJF-V) ORCID, RID, SAI
Cavallaro, S. (IT)
Ullschmied, Jiří (UFP-V) RIDNumber of authors 4 Source Title EPJ Web of Conferences, 96 - DARK MATTER, HADRON PHYSICS AND FUSION PHYSICS. - Cedex : E D P Sciences, 2015 - ISSN 2100-014X Pages č. 01032 Number of pages 6 s. Publication form Print - P Action International conference on Dark Matter, Hadron Physics and Fusion Physics Event date 24.09.2014-26.09.2014 VEvent location Messina Country IT - Italy Event type WRD Language eng - English Country FR - France Keywords neutron-production ; matter ; irradiation Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders Subject RIV - cooperation Institute of Plasma Physics - Optics, Masers, Lasers Institutional support UFP-V - RVO:61389021 ; UJF-V - RVO:61389005 UT WOS 000358445500032 DOI 10.1051/epjconf/20159601032 Annotation Deuterium-Deuterium fusion processes were generated by focusing the 3 TW PALS Laser on solid deuterated polyethylene targets placed in vacuum. Deuterium ion acceleration of the order of 4 MeV was obtained using laser irradiance I lambda(2) similar to 5 x 10(16) W mu m(2)/cm(2) on the target. Thin and thick targets, at low and high density, were irradiated and plasma properties were monitored "on line" and "off line". The ion emission from plasma was monitored with Thomson Parabola Spectrometer, track detectors and ion collectors. Fast semiconductor detectors based on SiC and fast plastic scintillators, both employed in time-of-flight configuration, have permitted to detect the characteristic 3.0 MeV protons and 2.45 MeV neutrons emission from the nuclear fusion reactions. From massive absorbent targets we have evaluated the neutron flux by varying from negligible values up to about 5 x 10(7) neutrons per laser shot in the case of foams targets, indicating a reaction rate of the order of 10(8) fusion events per laser shot using "advanced targets". Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2016
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