Abstract
The angular distributions of states in the excitation energy region MeV produced in the proton transfer reaction have been measured at the Orsay tandem accelerator for ion bombarding energy, MeV, and forward angular range, . A high energy resolution detection system composed of a split-pole magnetic spectrometer and a , position-sensitive drift chamber was used to record the energy spectra of outgoing deuterons. The measured cross section data for the direct reaction component have been separated from the compound nucleus one, then analyzed in the framework of the nonlocal, finite-range (FR)–distorted-wave Born approximation (DWBA) theory. New values of the and ( proton absolute and partial spectroscopic factors and related proton reduced widths versus the channel radius have been extracted for the and isospin-mixed loosely bound states of astrophysical interest and the , unbound state of . They are compared to sparse earlier experimental values and to shell-model-predicted ones from the literature, and are discussed. In particular, the status of the spectroscopic information on the isospin-mixed doublet is reviewed and updated. The application in nuclear astrophysics of the DWBA derived results is emphasized.
- Received 22 July 2017
DOI:https://doi.org/10.1103/PhysRevC.96.054601
©2017 American Physical Society