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How to determine the shape of nuclear molecules with polarized gamma-rays

Lorenzo Fortunato

SciPost Phys. Proc. 3, 035 (2020) · published 26 February 2020

Proceedings event

24th European Few Body Conference

Abstract

A method has been recently proposed to establish the geometry of the alpha-cluster arrangement in $^{12}$C making use of polarized gamma-rays. The ratio of intensities of scattered radiation at 90 degrees along and perpendicular to the initial direction of the electric field vector, called depolarization ratio, is a key quantity that allows to underpin the nature of totally symmetric modes of vibrations. This allows to connect with the underlying point-group structure and therefore to the geometric shape of the nuclear molecule. This method is reviewed for $^{12}$C and extended to other configurations, such as three unequal clusters and four identical clusters (e.g. $^{16}$O).


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