Author:
Chernyshev B A,Demyanova A S,Gurov Yu B,Lapushkin S V,Leonova T I,Ogloblin A A,Sandukovsky V G
Abstract
Abstract
Formation of the 7He heavy isotope was studied in the reactions of stopped pion absorption by light nuclei 9Be, 10,11B and 12,14C. Measurements were performed using the two-arm multilayer semiconductor spectrometer. Contrary to the results of other studies, we observed several narrow highly excited states (Ex
> 16 MeV) of 7He. From the analysis of the continuous excitation spectrum in reactions 9Be(π−, d)X and 11B(π−, dd)X it was obtained first indication that the 4He+3n structure is not present in the ground state of 7He.
Subject
General Physics and Astronomy
Cited by
1 articles.
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