Abstract
We have performed coupled reaction channels calculations of the (d,p) reactions on 12 C and 10 Be at laboratory energies of 12, 25, and 30 MeV leading to the ground and first excited states of 13 C and 11 Be. We found spectroscopic factors Sexp, asymptotic normalization coefficients (ANCs) and root mean square radii of the last neutron in these states. Our calculations confirm the existence of neutron halos in the first excited state of 13 C, as well as in the ground and the first excited states of 11 Be. We found that the neutron transfer dominates at energies about 12 and 25 MeV and demonstrated that the states with enlarged radii are formed in the reactions of a peripheral type, which satisfy the criterion of a peripherality: C 2 =Sexpb 2 =const, where C is the ANC and b is the single-particle ANC.
Highlights
The radius of a one-neutron halo in this state was estimated to be 5.88±0.39 fm, which is comparable with the calculations of Ref. [2], 5.04 ± 0.75 fm
We carry out coupled reaction channels (CRC) calculations of the direct proton transfer for these systems and compare the results with the differential cross sections measured in Refs. [2,9,10,11]
We shell call the asymptotic normalization coefficients (ANCs) determined by means of this procedure, the experimental ANC, Cexpcv, lj
Summary
The radius of a one-neutron halo in this state was estimated to be 5.88±0.39 fm, which is comparable with the calculations of Ref. We apply the ANC method to analyse the 12C(d,p)13C (g.s., 1/21+) and 10Be(d,p) 11Be (g.s., 1/21 ) reactions at incident deuteron energies 11.8, 25.9, and 30 MeV for the first system, and 12.0 and 25.0 MeV for the second one.
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