Wavelet signatures of K-splitting of the Isoscalar Giant Quadrupole Resonance in deformed nuclei from high-resolution ( p, p ') scattering off Nd-146,Nd-148,Nd-150

Journal article

Authors / Editors

Kureba, Chamunorwa

Research Areas

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Publication Details

Author list: Kureba CO, Buthelezi Z, Carter J, Cooper GRJ, Fearick RW, Fortsch SV, Jingo M, Kleinig W, Krugmann A, Krumbolz AM, Kvasil J, Mabiala J, Mira JP, Nesterenko VO, von Neumann-Cosel P, Neveling R, Papka P, Reinhard PG, Richter A, Sideras-Haddad E, Smit FD, Steyn GF, Swartz JA, Tamii A, Usman IT

Publisher: Elsevier

Place: AMSTERDAM

Publication year: 2018

Journal: Physics Letters B (0370-2693)

Journal acronym: PHYS LETT B

Volume number: 779

Start page: 269

End page: 274

Number of pages: 6

ISSN: 0370-2693

eISSN: 1873-2445

Languages: English-Great Britain (EN-GB)

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Abstract

The phenomenon of fine structure of the Isoscalar Giant Quadrupole Resonance (ISGQR) has been studied with high energy-resolution proton inelastic scattering at iThemba LABS in the chain of stable even-mass Nd isotopes covering the transition from spherical to deformed ground states. A wavelet analysis of the background-subtracted spectra in the deformed Nd-146,Nd-148,Nd-150 isotopes reveals characteristic scales in correspondence with scales obtained from a Skyrme RPA calculation using the SVmas10 parameterization. A semblance analysis shows that these scales arise from the energy shift between the main fragments of the K=0, 1 and K=2 components. (c) 2018 The Authors. Published by Elsevier B.V.

Keywords

Characteristic energy scales, ISGQR K-splitting, Nd-146,Nd-148,Nd-150(p, p '), Semblance analysis, Wavelet analysis

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