Multichannel R-matrix analysis of elastic and inelastic resonances in the Na+p compound systems

C. Ruiz, M. Aliotta, R.E. Azuma, R.N. Boyd, L. Buchmann, A. Chen, N.M. Clarke, J.M. D'Auria, T. Davinson, B.R. Fulton, D. Groombridge, D. Hutcheon, A.M. Laird, A.S. Murphy, J. Pearson, I. Roberts, A. Robinson, F. Sarazin, A.C. Shotter, P. WaldenP.J. Woods

Research output: Contribution to journalArticlepeer-review

Abstract

Resonant scattering studies were performed using radioactive Na-20,Na-21 beams at ISAC between energies of 0.5 keV/u and 1.5 keV/u. Intensities of up to I x 10(8) /sec were used with thick CH2 targets, and elastic and inelastic proton resonances were observed corresponding to states in Mg-21,Mg-22 by detecting recoil protons using the LEDA silicon array. A multichannel R-Matrix formalism was used to fit the excitation functions leading to the deduction of partial widths and spin-parity assignments. In certain cases definite spin-parity assignments could be made without fitting angular distributions due to the constraining nature of Coulomb-interfering resonances. Where possible, analogue assignments are made in the A=22, T=1, system based on the Na-21+p analysis.

Original languageEnglish
Pages (from-to)166C-169C
Number of pages4
JournalNuclear Physics A
Volume758
Issue number1-4 SPEC. ISS.
DOIs
Publication statusPublished - 25 Jul 2005

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