Nuclear Structure Studies with Gamma-Ray Beams

Autor: Tonchev Anton, Bhatia Chitra, Kelley John, Raut Rajarshi, Rusev Gencho, Tornow Werner, Tsoneva Nadia
Jazyk: angličtina
Rok vydání: 2015
Předmět:
Zdroj: EPJ Web of Conferences, Vol 93, p 01030 (2015)
Druh dokumentu: article
ISSN: 2100-014X
DOI: 10.1051/epjconf/20159301030
Popis: In stable and weakly bound neutron-rich nuclei, a resonance-like concentration of dipole states has been observed for excitation energies below the neutron-separation energy. This clustering of strong dipole states has been named the Pygmy Dipole Resonance (PDR) in contrast to the Giant Dipole Resonance (GDR) that dominates the E1 response. Understanding the PDR is presently of great interest in nuclear structure and nuclear astrophysics. High-sensitivity studies of E1 and M1 transitions in closed-shell nuclei using monoenergetic and 100% linearly-polarized photon beams are presented.
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