Speaker
Prof.
Sonia Bacca
(TRIUMF)
Description
The electromagnetic response of nuclei is a fundamental quantity to calculate, since due to its perturbative nature a clean comparison with experimental data can be performed. First priciples computations are key to bridge nuclear physics with the underlying QCD regime [1]. Nowadays this valuable information is not only accessible for the lightest nuclei, but novel theoretical approaches are being developed to tackle nuclei with a larger number of nucleons.
Combining the Lorentz integral transform with the coupled-cluster method recently allowed us to perform ab initio calculations of response functions and related sum rules for light and medium-mass nuclei [2,3]. I will present recent highlights on neutron skins and polarizabilities and discussed them in the context of recent and future experiments [4,5].
References:
[1] S. Bacca and S. Pastore, J. Phys. G: Nucl. Part. Phys. 41 123002 (2014).
[2] S.Bacca et al., Phys. Rev. Lett. 111m 122502 (2013).
[3] M.Miorelli et al., Phys. Rev. C 94, 034317 (2016).
[4] G. Hagen et al., Nature Physics 12, 186-190 (2016).
[5] J. Birkhan et al., arXiv:1611.07072.
Primary author
Prof.
Sonia Bacca
(TRIUMF)