Nuclear surface studies with antiprotonic atom X-rays

Details Nuclear surface studies with antiprotonic atom X-rays Nuclear surface studies with antiprotonic atom X-rays

2007-02-08

arxiv.org/abs/nucl-th/0702029v1

Phys.Rev.C76:034316,2007

Physics

Nuclear Physics

Nuclear Theory

13 pages, 6 tables, 3 figures

Scientific paper

10.1103/PhysRevC.76.034316

The recent and older level shifts and widths in pbar atoms are analyzed. The results are fitted by an antiproton-nucleus optical potential with two basic complex strength parameters. These parameters are related to average S and P wave scattering parameters in the subthreshold energy region. A fair consistency of the X-ray data for all Z values, stopping pbar data and the Nbar-N scattering data has been achieved. The determination of neutron density profiles at the nuclear surface is undertaken, and the determination of the neutron R_{rms} radii is attempted. Uncertainties due to the input data and the procedure are discussed.

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