Abstract
The energy distribution of protons from the bombardment of with protons has been investigated by precision magnetic analysis in the region of excitation from the ground state through the 2.43-Mev state. A broad distribution of protons was found with a cutoff corresponding to a of -1.675±0.002 Mev in . The asymmetry of the observed group and the proximity of the observed -value to the separation energy of a neutron from suggests that the group consists of protons from the three body disintegration , but the possibility of inelastic scattering to a state in cannot be excluded. An excitation energy of 2.432±0.004 Mev was found for the inelastic proton group from the known state, and a natural width ≤1 kev is ascribed to this state from experiments conducted at optimum resolution.
- Received 20 June 1955
DOI:https://doi.org/10.1103/PhysRev.100.203
©1955 American Physical Society