Regular Article - Experimental Physics
Complete kinematical study of the 3 breakup of the 16.11 MeV state in 12C
Department of Physics and Astronomy, Aarhus University, DK-8000, Aarhus C, Denmark
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Accepted: 7 July 2016
Published online: 9 September 2016
The reaction 11 B + p has been used to populate the state at an excitation energy of 16.11 MeV in 12C, and the breakup of the state into three -particles has been studied in complete kinematics. A two-step breakup model which includes interference effects is found to provide the most accurate description of the experimental data. The branching ratio to the ground state of 8Be is determined to be 5.1(5)% in agreement with previous findings, but more precise by a factor of two, while the decay to the first excited state in 8Be is found to be dominated by d-wave emission.
© The Author(s), 2016