Parity of bound dipole states in 208Pb

  • The parities of eleven J=1 levels in 208Pb were determined by nuclear resonance fluorescence scattering of linearly polarized photons. A new 1+ level at Ex=5.846 MeV with Gamma 02 / Gamma =1.2±0.4 eV was found. This level can probably be identified with the theoretically predicted isoscalar 1+ state in 208Pb. All other bound dipole states below 7 MeV with Gamma 02 / Gamma >1.5 eV have negative parity. The 1- assignment to the 4.842-MeV level is of special significance because of previous conflicting results about its parity.

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Author:Klaus Wienhard, K. Ackermann, Kurt Bangert, Ulrich Emil Paul Berg, Carola Bläsing, W. Naatz, A. Ruckelshausen, D. Rück, R. K. M. Schneider, Reinhard StockGND
Parent Title (German):Physical review letters
Document Type:Article
Date of Publication (online):2005/09/21
Year of first Publication:1982
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/09/21
Page Number:4
First Page:18
Last Page:21
Source:Phys. Rev. Lett. 49, 18-21 (1982), ©1982 The American Physical Society,
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht