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Study of the collective behaviour of nuclei : the Giant Dipole Resonance properties from ground state to about E* = 200 MeV
A well-established result of nuclear physics is the observation of giant resonances, small amplitude, high frequency, collective modes of excitation in nuclei. Among all possible modes of collective excitation, the Giant Dipole Resonance (GDR), a collective vibration of protons against neutrons with a dipole spatial pattern, has been widely investigated and is now considered a general feature of all nuclei.
The GDR is an efficient tool to probe the evolution of the nuclear properties and the stability of collective motion in nuclei under increasing temperature and angular momentum. The relative influence of angular
momentum and temperature effects on the evolution of the GDR parameters has been investigated in different experiments and the results will be discussed in this talk.
The GDR properties in nuclei in an excitation energy region from ground state to about 200 MeV will be reviewed.
Domenico Santonocito
INFN-LNS
20/09/2019 à 11:00
IPN Orsay, salle A018, bâtiment 100

Notes de dernières minutes :

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IPN

Institut de Physique Nucléaire Orsay - 15 rue Georges CLEMENCEAU - 91406 ORSAY (FRANCE)
UMR 8608 - CNRS/IN2P3

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