The elastic scattering Be +p at low energies: Implications on the Be (p, γ)Be S-factor

C. Angulo, P. Descouvemont, M. Cogneau, M. Couder, M. Gaelens, P. Leleux, M. Loiselet, G. Ryckewaert, G. Tabacaru, F. Vanderbist, T. Davinson, M. Azzouz, D. Baye, A. Di Pietro, P. Figuera, R.G. Pizzone, F. de Oliveira Santos, N. de Séréville

Research output: Contribution to journalArticlepeer-review

Abstract

The Be + p elastic cross section has been measured at the Centre de Recherches du Cyclotron RIB facility at Louvain-la-Neuve in the c.m. energy region from 0.3 to 0.75 MeV by bombarding a proton-rich target with a radioactive Be beam. The recoil protons have been detected in the angular range θ = 120.2° - 131.1° and θ = 156.6° - 170.2° using the LEDA system. From a R-matrix analysis of the cross section data, we extract the energy and the width of the 1 resonance. The scattering lengths a = 25 ± 9 fm (channel spin I = 1 and a = -7 ± 3 fm (channel spin I = 2) are deduced. Implications on the low energy S-factor of the Be(p,γ)B reaction are discussed.
Original languageEnglish
JournalNuclear Physics A
Volume719
Issue number1-4
DOIs
Publication statusPublished - 19 May 2003

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