Experimental study of theB11,12(n,γ) reactions and their influence on

Neutron halos in the excited states of B12

“…The values of the neutron SFs and ANCs deduced via our CRC and CN analysis are shown in Table III [44,45], as well as for the first excited 0.953-MeV 2 + state when a sum over two possible (n 2 l 2 ) orbitals is taken into account. For the higher excited states, the extracted S expt n 2 l 2 are found, in general, to be smaller in comparison with the previous results, which is related to the enlarged geometric parameters of the interaction sp potential that allowed us to reach a more detailed fit of the data.…”

Single-nucleon transfer reactions on18F

“…The 150-MeV 18 F beam was also used to bombard a 1-mg/cm 2 12 C foil to assess the possible role of background reactions coming from reactions on the carbon in the target. For calibration purposes we measured the elastic scattering of a 115-MeV 16 O beam from a 410-µg/cm 2 CD 2 target and the elastic scattering of 20-, 30-and 40-MeV α's from a 500-µg/cm 2 gold target.…”

“…The driver accelerator, the Oak Ridge isochronous Cyclotron (ORIC), provides ∼3 µA of 85-MeV α beam to a thick hafnium dioxide, (HfO 2 ) target [22]. Atoms of 18 F were produced via the 16 O(α, pn) 18 F reaction. The HfO 2 target was in fibrous form (∼4 µm diameter) and is heated for fast diffusion of 18 F atoms out of the target.…”

“…Transfer reactions induced by radioactive beams on deuterium targets are a powerful means for extracting nuclear structure information [15][16][17][18][19]. The spectroscopic information determined from these measurements are the excitation energies and the transferred angular momentum required to populate a given level in 19 Ne and 19 F. The angular distributions were compared to DWBA calculations to extract spectroscopic factors for all the wellpopulated states in the two nuclei.…”

TORUS: Theory of Reactions for Unstable iSotopes - Year 1 Continuation and Progress Report

“…Then the required code will be implemented by Ian Thompson. This work is also important for planning and interpreting inverse-kinematics experiments with radioactive beams [2,16], and for extracting the relevant nuclear-structure information from the measurements. By the end of a one-month visit to LLNL in February, A.M. Mukhamedzhanov developed the formalism and obtained necessary equations for the theory of the deuteron stripping to resonances, in which the subsystem "transferred nucleontarget" is described within a general multi-channel, multi-level R-matrix approach.…”