Abstract
The experiment was done to study 11B(3He, d)12C reaction with energy E(3He)=25 MeV. The aim of the experiment is to determine the properties of 12C states at high excitation energies and in particular to verify which of the conflicting spin-parity assignments of the 13.35 MeV state (2− or 4−) should be assigned. Behavior of the experimental angular distribution and also the DWBA calculation correspond to spin parity 4− for 13.35 MeV state.
Highlights
12C become the key nucleus in the study and description of alpha- clustering in light nuclei
This paper raises the question of spin-parity value of the 13.35 MeV state in 12C
13.35 MeV state is necessary to define its possible contribution to the part of the spectrum that we have previously identified as a new level in 12C with excitation energy of 13.75 MeV [7]
Summary
12C become the key nucleus in the study and description of alpha- clustering in light nuclei. This paper raises the question of spin-parity value of the 13.35 MeV state in 12C. The spin-parity assignment of the 13.35 MeV state remains unknown. Unambiguous determination of the spin-parity of the
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