Abstract

The muonic x rays from four highly deformed actinide nuclei /sup 2/32Th, /sup 2/35U, /sup 2/38U, and /sup 2/39Pu have been measured. A four parameter Fermi charge distribution with distortion terms of the form ..beta../sub 2n/Y/sub 2n/0, n < or = 2, was used to characterize the nuclear charge distribution. A least squares fit was made to the energies of the 2p-1s and 3d-2p muonic x rays and their fine and hyperfine structure splitting. The 4f-3d and 5g-4f muonic x rays were measured for the four nuclei as well as the 5-3, 4-2, and 3-1 muonic transitions for /sup 2/32Th and /sup 2/38U. The intrinsic electric quadrupole moments were deduced. Our results are compared with those from earlier muonic experiments, as well as with proton, ..cap alpha.., and electron inelastic scattering.

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