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Nuclear polarization and charge moments of /sup 208/Pb from muonic x rays

Journal Article · · Phys. Rev. C; (United States)
Muonic transition energies between low-lying states in ..mu../sup -/-/sup 208/Pb have been measured in a precision experiment using a Compton suppression spectrometer. Nuclear charge parameters and nuclear polarization corrections have been adjusted to the data. In particular, experimental correlations between the nuclear polarization corrections of the lower muonic levels have been established. A set of nuclear charge parameters reproducing all the experimental transition energies can only be obtained by assuming an inversion in magnitude of the nuclear polarization corrections not only for the 2p states, but also for the two 3p states. Such a result is unexplained by present theoretical models, but corroborates the findings of a recent experiment concerning the 2p states in ..mu../sup -/-/sup 90/Zr. Using our best-fit parameters, a /sup 208/Pb rms radius of /sup 1/2 = 5.5031(11) fm has been obtained.
Research Organization:
Institut de Physique, Universite de Fribourg, CH-1700 Fribourg, Switzerland
OSTI ID:
5158391
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 37:6; ISSN PRVCA
Country of Publication:
United States
Language:
English