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SUMMARY:Monte Carlo generated neutron spectra for simulation of inertial f
 usion diagnostics
DTSTART:20150220T103000
DTEND:20150220T113000
DTSTAMP:20260511T041856Z
UID:28cf2f0fe677c6c5aea1ee07adbcc054861bc267547259a408c2c50e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Gianmarco Rossi\n(Università degli Studi di Roma "La Sapienza
 "\, Italy)\nIn this research activity\, we have studied the neutron energy
  spectrum produced by a fusion plasma through a Monte Carlo code in order 
 to improve the understanding of the "neutron averaged" ion temperature mea
 sured from experimental data analysis\, in the frame of a research line pu
 rsued in collaboration with M.I.T. Plasma Fusion Center and the University
  of Rochester Laboratory for Laser Energetics.\nThe Monte Carlo program ta
 kes into account Doppler broadening due to both nuclei thermal motion and 
 bulk fluid motion\, so we can simulate the production neutron energy spect
 rum for a plasma both at rest and with fluid velocity. We have enhanced th
 e comprehension of the effects of the bulk velocity on the neutron spectru
 m width providing an improvement of existing formula. Our results shows th
 at the neutron spectrum broadening due to fluid motion is important (10-30
 %) and should be properly taken into account in the experimental data anal
 ysis.
LOCATION:PPB 019
STATUS:CONFIRMED
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