Abstract
We briefly review the theory for electromagnetic reactions in light nuclei based on the coupled-cluster formulation of the Lorentz integral transform method. Results on photodisintegration reactions of 22 O and 40 Ca are reported and preliminary calculations on the Coulomb sum rule for 4 He are discussed.
Highlights
The investigation of nuclear reactions from first principles is fundamental in bridging nuclear physics with the underlying quantum chromo-dynamics regime
After a short review of the coupled-cluster formulation of Lorentz integral transform (LIT) method, we report on our recent calculations of the photodisintegration of the neutron-rich 22O nucleus and the stable 40Ca medium-mass nucleus
We show our preliminary calculation of the Coulomb sum rule for 4He, which describe rather well the available experimental data
Summary
The investigation of nuclear reactions from first principles is fundamental in bridging nuclear physics with the underlying quantum chromo-dynamics regime. Nuclear reactions induced by electromagnetic probes are very useful as the electromagnetic current is well known and a clean comparison with experimental data can be performed [1]. Nowadays this valuable information is accessible for the lightest nuclei, but novel theoretical approaches are being developed to tackle nuclei with a larger number of nucleons. We briefly review the Lorentz integral transform (LIT) approach in its coupled-cluster (CC) theory formulation [2]. Thereafter, we discuss some recent results regarding photoabsorption and electron-scattering reactions
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