Measurement of the 8Li(α,n)11B reaction and astrophysical implications

Details Measurement of the 8Li(α,n)11B reaction and astrophysical implications Measurement of the 8Li(α,n)11B reaction and astrophysical implications

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvc..62f5801m&link_type=abstract

Physical Review C (Nuclear Physics), Volume 62, Issue 6, December 2000, id.065801

Physics

Nuclear Physics

14

Big Bang Nucleosynthesis, Interaction And Reaction Cross Sections, Transfer Reactions, Origin, Formation, And Abundances Of The Elements

Scientific paper

We have measured the 8Li(α,n)11B reaction directly and exclusively, and determined the total cross sections in the center-of-mass energy of 1.5-7.0 MeV, by using a new-type gas counter, multiple-sampling and tracking proportional chamber (MSTPC), and neutron counters. This experiment was performed in the condition of inverse kinematics. The 8Li beam was produced by the RIKEN projectile-fragment separator, and injected into the MSTPC filled with 4He gas, which worked as a detector gas and served as a target. The reaction cross section obtained in the present exclusive measurement is about half of the one obtained in previous inclusive measurements.

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