Title: Kinematics of the 6Li(n,t)4He reaction and experimental scenarios for cross-section measurement
Citation: NUCLEAR SCIENCE AND ENGINEERING vol. 177 no. 1 p. 68–76
Publication Year: 2014
JRC N°: JRC70796
ISSN: 0029-5639
URI: http://www.ans.org/pubs/journals/nse/a_35636
DOI: 10.13182/NSE13-25
Type: Articles in periodicals and books
Abstract: An approach is presented for the measurement of the 6Li(n,t)4He reaction cross section based on complementary measurements benchmarked against kinematic simulations. Key aspects of the approach include taking advantage of the particle leaking (PL) effect, and using a one-dimensional time projection chamber (1D-TPC) and an ionization chamber to detect the reaction products from monoenergetic and white neutron beams, respectively. We have derived analytical expressions describing the PL region in both the laboratory and the center-of-mass reference systems. Two complementary 1D-TPC experiments are discussed, using 6LiF deposits onto transparent aluminum foils, in the backward and forward orientations, respectively. The 6Li(n,t)4He reaction kinematics is discussed for 2-MeV neutrons and extended to the energy range from thermal to 3 MeV to reflect the experimental capability of the Institute for Reference Materials and Measurements Van de Graaff and Geel Electron Linear Accelerator facilities.
JRC Directorate:Health, Consumers and Reference Materials

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