Author:
Olorunfunmi S.D.,Usman I.T.,Carter J.,Pellegri L.,Molema P.T.,Sideras—Haddad E.,Neveling R.,Smit F.D.,Adsley P.,Donaldson L.M.,Pellegri L.,Steyn G.F.,von Neumann-Cosel P.,Pietralla N.,Arsenyev N.N.,Papka P.,Li K.C.W.,Brümmer J.W.,O’Neill G. G.,Pesudo V.,Marín—Lámbarri D.J.,Fujita H.,Tamii A.
Abstract
Abstract
Experiments investigating the fine structure of the IsoScalar Giant Monopole Resonance (ISGMR) of 48Ca were carried out with a 200 MeV alpha inelastic-scattering reaction, using the high energy-resolution capability and the zero-degree setup at the K600 magnetic spectrometer of iThemba LABS, Cape Town, South Africa. Considerable fine structure is observed in the energy region of the ISGMR. Characteristic energy scales are extracted from the experimental data by means of a wavelet analysis and compared with the state-of-the-art theoretical calculations within a Skyrme-RPA (random phase approximation) approach using the finite-rank separable approximation with the inclusion of phonon-phonon coupling (PPC). Good agreement was observed between the experimental data and the theoretical predictions.
Subject
General Physics and Astronomy
Cited by
2 articles.
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