Neutron structure effects in the deuteron and one neutron halos

Details Neutron structure effects in the deuteron and one neutron halos Neutron structure effects in the deuteron and one neutron halos

2005-11-28

arxiv.org/abs/nucl-th/0511078v2

Phys.Rev.C74:024323,2006

Physics

Nuclear Physics

Nuclear Theory

LaTex, 22 pages, 3 figures

Scientific paper

10.1103/PhysRevC.74.024323

Although the neutron (n) does not carry a total electric charge, its charge and magnetization distributions represented in momentum space by the electromagnetic form factors, $F_1^{(n)} (q^2)$ and $F_2^{(n)} (q^2)$, lead to an electromagnetic potential of the neutron. Using this fact, we calculate the electromagnetic corrections to the binding energy, $B_d$, of the deuteron and a one neutron halo nucleus (11Be), by evaluating the neutron-proton and the neutron-charged core (10Be) potential, respectively. The correction to $B_d$ (~9 keV) is comparable to that arising due to the inclusion of the $\Delta$-isobar component in the deuteron wave function. In the case of the more loosely bound halo nucleus, 11Be, the correction is close to about 2 keV.

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