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Direct measurments of (p,gamma) cross sections at astrophysical energies using radioactive beams and the Daresbury Recoil Sep...

Publication Type
Conference Paper
Journal Name
The European Physical Journal A
Publication Date
Page Numbers
457 to 460
Volume
42
Conference Name
Nuclei in the Cosmos 11
Conference Location
Heidelberg, Germany
Conference Date

There are a number of astrophysical environments in which the path of nucleosynthesis proceeds
through proton-rich nuclei. Radioactive nuclei have traditionally not been available as beams, and
thus proton-capture reactions on these nuclei could only be studied indirectly. At the Holifield
Radioactive Ion Beam Facility (HRIBF), some of the first direct measurements of (p,g ) cross
sections on radioactive beams have been made. The Daresbury Recoil Separator (DRS) has been
used to separate the recoils of interest from the unreacted primary beam and identify them in an
isobutane-filled ionization counter. Data from 17F(p,g )18Ne and 7Be(p,g )8B measurements are
presented.