Coarse and fine structure of the pygmy dipole resonance


Conference Paper

High resolution and sensitivity studies of the nuclear dipole response in 138Ba have been performed in (γ, γ′) experiment. The electric dipole character of the "pygmy" mode was experimentally verified for excitations from 4.0 to 8.5 MeV. Experimental findings have been compared with the quasiparticle phonon model. A new understanding about the character and the evolution of the pygmy resonance emerges from comparison of the experimental results with the theoretical calculations.

Full Text

Duke Authors

Cited Authors

  • Tonchev, AP; Hammond, SL; Kelley, JH; Kwan, E; Lenske, H; Raut, R; Rusev, G; Tornow, W; Tsoneva, N

Published Date

  • January 1, 2011

Published In

Volume / Issue

  • 312 / SECTION 9

Electronic International Standard Serial Number (EISSN)

  • 1742-6596

International Standard Serial Number (ISSN)

  • 1742-6588

Digital Object Identifier (DOI)

  • 10.1088/1742-6596/312/9/092058

Citation Source

  • Scopus