Anomalous backward scattering and vortexes in light nuclei

2004 
Abstract The last years developments in experimental technique improved the experimental resolution at large angles of the registration of elasticaly scattered complex particles. This enables the observation of fragmented momentum states as a signature of Bose- Einstein condensation in light nuclei. Given the exchange reaction mechanism, anomalous backward scattering may indicate the presence of vortex states in nuclei. In the framework of Cranking model we considered vortex states in light nuclei. These vortex states can be detected at backward angles where the angular momentum operator applied to the wave function gives eigenvalue proportional to the number of particles involved into vortex movement (maximal eigenvalue). The possible candidates for the vortex states could be 3 − state in 12 C and 4 + state in 16 O.
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