Analysis of a Measurement of 12C(n,2n)11C Cross Sections Hartshaw, Garrett Love, Ian Yuly, Mark Padalino, Stephen Russ, Megan Bienstock, Mollie Simone, Angela Ellison, Drew Desmitt, Holly Massey, Thomas Sangster, Craig 2013-11-11T18:50:15Z 2013-11-11T18:50:15Z 2013-11-11
dc.description.abstract In inertial confinement fusion (ICF), nuclear fusion reactions are initiated by bombarding a small fuel pellet with high power lasers. One ICF diagnostic tool involves placing graphite discs within the reaction chamber to determine the number of high-energy neutrons. This diagnostic requires accurate 12C(n,2n)11C cross sections, which have not been previously well measured. An experiment to measure this cross section was conducted at Ohio University, in which DT neutrons irradiated polyethylene and graphite targets. The neutron flux was determined by counting recoil protons from the polyethylene in a silicon dE-E detector telescope. Preliminary cross sections were calculated using the incident neutron flux and the number of 11C nuclei in the graphite and polyethylene targets determined by counting, in a separate counting station, the gamma rays resulting from the positron decay of 11C. This poster will present the data analysis techniques used to determine theses cross sections and the calculation of the corrections needed to account for the detector and target geometry. Funded in part by a LLE contract through the DOE.
dc.description.statementofresponsibility 55th Annual Meeting of the APS Division of Plasma Physics, Denver, Colorado, November 11-15, 2013; Omega Laser Facility Users Group Workshop, Laboratory for Laser Energetics, Rochester, NY, April 23-25, 2014.
dc.publisher Houghton College
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dc.subject Student Projects
dc.title Analysis of a Measurement of 12C(n,2n)11C Cross Sections
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