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The n-th order Moment of the Nuclear Charge Density and Contribution from the Neutrons | | Haruki Kurasawa
; Toshio Suzuki
; | | Date: |
22 Jul 2019 | | Abstract: | The relativistic expression for the $n$-th order moment of the nuclear charge
density is presented. For the mean square radius(msr) of the nuclear charge
density, the non-relativistic expression, which is equivalent to the
relativistic one, is also derived consistently up to $1/M^2$ with use of the
Foldy-Wouthuysen transformation. The difference between the relativistic and
non-relativistic expressions for the msr of the point proton density is also
discussed. The $n(ge 4)$-th order moment of the nuclear charge density depends
on the point neutron density. The 4-th order moment yields a useful information
on the msr of the point neutron density, and is expected to play an important
role in electron scattering off neutron-rich nuclei. | | Source: | arXiv, 1907.9071 | | Services: | Forum | Review | PDF | Favorites | |
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