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Title: Shape transition and isovector giant quadrupole resonance decay in hot rotating nuclei
Authors: Mazumdar I.
Gothe D.A.
Anil Kumar, G.
Aggarwal M.
Published in: Acta Physica Polonica B
Abstract: We provide a brief review of our activities involving high energy gamma decay from hot-rotating nuclei. The two primary goals of this ongoing programme is to search for rare shape-phase transitions in heavy (A ̃ 190) nuclei, from the analysis of the giant dipole resonance (GDR) gamma ray spectra and also to search for the Isovector Giant Quadrupole Resonance (IVGQR) based upon excited states. The efforts to carry out the exclusive measurements have resulted in the setting up of a sum-spin spectrometer in complete 4π configuration. The performance of this spin-spectrometer will be presented in brief. In addition, this paper also presents the results of our studies with lanthanum bromide detectors of different sizes and configurations using low energy sources and in-beam measurements. The finite temperature potential energy surface calculations, carried out to guide the measurements, will also be discussed.
Citation: Acta Physica Polonica B, 42(44654): 643-652
Issue Date: 2011
Keywords: Different sizes
Finite temperatures
Gamma ray spectra
Giant Dipole Resonances
High energy
Lanthanum bromide
Low energies
Quadrupole resonance
Shape transitions
Bromine compounds
Quantum chemistry
Gamma rays
ISSN: 5874254
Author Scopus IDs: 55885084200
Author Affiliations: Mazumdar, I., Tata Institute of Fundamental Research, Mumbai 400 005, India
Gothe, D.A., Tata Institute of Fundamental Research, Mumbai 400 005, India
Anil Kumar, G., Tata Institute of Fundamental Research, Mumbai 400 005, India
Aggarwal, M., UM-DAE Centre for Excellence in Basic Sciences, Mumbai 400 098, India
Corresponding Author: Mazumdar, I.; Tata Institute of Fundamental Research, Mumbai 400 005, India
Appears in Collections:Journal Publications [PH]

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