Physics Letters B (Apr 2018)
Wavelet signatures of K-splitting of the Isoscalar Giant Quadrupole Resonance in deformed nuclei from high-resolution (p,p′) scattering off 146, 148, 150Nd
- C.O. Kureba,
- Z. Buthelezi,
- J. Carter,
- G.R.J. Cooper,
- R.W. Fearick,
- S.V. Förtsch,
- M. Jingo,
- W. Kleinig,
- A. Krugmann,
- A.M. Krumbolz,
- J. Kvasil,
- J. Mabiala,
- J.P. Mira,
- V.O. Nesterenko,
- P. von Neumann-Cosel,
- R. Neveling,
- P. Papka,
- P.-G. Reinhard,
- A. Richter,
- E. Sideras-Haddad,
- F.D. Smit,
- G.F. Steyn,
- J.A. Swartz,
- A. Tamii,
- I.T. Usman
Affiliations
- C.O. Kureba
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa; Department of Physics and Astronomy, Botswana International University of Science and Technology, P. Bag 16, Palapye, Botswana
- Z. Buthelezi
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa
- J. Carter
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
- G.R.J. Cooper
- School of Earth Sciences, University of the Witwatersrand, Johannesburg 2050, South Africa
- R.W. Fearick
- Department of Physics, University of Cape Town, Rondebosch 7700, South Africa
- S.V. Förtsch
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa
- M. Jingo
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
- W. Kleinig
- Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow region, 141980, Russia; Technische Universität Dresden, Institut für Analysis, D-01062, Dresden, Germany
- A. Krugmann
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289, Darmstadt, Germany
- A.M. Krumbolz
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289, Darmstadt, Germany
- J. Kvasil
- Institute of Particle and Nuclear Physics, Charles University, CZ-18000, Prague, Czech Republic
- J. Mabiala
- Department of Physics, University of Stellenbosch, Matieland 7602, South Africa
- J.P. Mira
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa
- V.O. Nesterenko
- Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow region, 141980, Russia
- P. von Neumann-Cosel
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289, Darmstadt, Germany; Corresponding author.
- R. Neveling
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa
- P. Papka
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa; Department of Physics, University of Stellenbosch, Matieland 7602, South Africa
- P.-G. Reinhard
- Institut für Theoretische Physik II, Universität Erlangen, D-91058, Erlangen, Germany
- A. Richter
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289, Darmstadt, Germany
- E. Sideras-Haddad
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
- F.D. Smit
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa
- G.F. Steyn
- iThemba Laboratory for Accelerator Based Sciences, PO Box 722, Somerset West 7129, South Africa
- J.A. Swartz
- Department of Physics, University of Stellenbosch, Matieland 7602, South Africa
- A. Tamii
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 560-0047, Japan
- I.T. Usman
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
- Journal volume & issue
-
Vol. 779
pp. 269 – 274
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 146, 148, 150Nd 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. Keywords: 146, 148, 150Nd(p,p′), ISGQR K-splitting, Wavelet analysis, Characteristic energy scales, Semblance analysis
