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SUMMARY:SPC Seminar – Plasma – Andrew Lanzrath (MIT)
DESCRIPTION:Speaker: Andrew Lanzrath (MIT)\nTitle: Probing light-ion nuclea
 r reactions relevant to astrophysics in high-energy-density plasmas\nAbstr
 act: High-quality nuclear data is needed to inform models of big bang and
  stellar nucleosynthesis. Historically\, nuclear reactions have been studi
 ed at accelerator facilities where an ion beam impinges upon a cold target
 . However\, in astrophysical environments\, these reactions take place in 
 high-energy-density (HED) plasmas. Beam-target fusion reactions in a cold 
 target with bound electrons are not physically comparable to the thermal d
 istributions of reacting ions and free electrons in HED plasmas\, which mo
 tivated the development of a platform to study nuclear reactions at laser-
 driven inertial confinement fusion facilities. HED plasmas provide a diffe
 rent set of challenges for studying nuclear reactions since implosion cond
 itions may affect the fusion product measurements\, and the low cross-sect
 ions at astrophysically-relevant temperatures require improved diagnostics
  to measure low nuclear yields. This presentation will provide an overview
  of the ongoing efforts to probe light-ion reactions in experiments at the
  National Ignition Facility (NIF) and OMEGA laser facility specifically fo
 r the six-nucleon reactions T+3He and 3He+3He as well as the D+3He proton-
 gamma branching ratio\, which has been identified as potential diagnostic 
 for measuring electron plasma screening in upcoming experiments at the NIF
 .
URL:https://www.imperial.ac.uk/events/214684/spc-seminar-plasma-andrew-lanz
 rath-mit/
DTSTART;TZID=Europe/London:20261014T150000
DTEND;TZID=Europe/London:20261014T160000
LOCATION:741\, Blackett Building\, South Kensington Campus\, Imperial Colle
 ge London\, London\, SW7 2AZ\, United Kingdom
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