Elsevier

Nuclear Physics A

Volume 255, Issue 2, 22 December 1975, Pages 435-448
Nuclear Physics A

Electron scattering from 70Ge and 72Ge

https://doi.org/10.1016/0375-9474(75)90691-0Get rights and content

Abstract

Cross sections have been measured for the elastic and inelastic scattering of electrons from 70Ge and 72Ge for momentum transfers from 0.65 to 1.14 fm−1. Values for the parameters of a Fermi type ground-state charge distribution were obtained from a phase shift analysis of the elastic cross sections. The rms charge radius corresponding to these parameters is 4.07±0.02 fm for 70Ge and 4.05±0.03 fm for 72Ge. Using DWBA analysis the reduced transition probabilities for the electroexcitation of the 21+ and 31 states were found to be: B(E2, ω)↑ = 19.7±1.2, 26.8±2.0 W.u.; B(E3, ω)↑ = 36±5, 37±7 W.u. for 70Ge and 72Ge respectively. The Jπ = 3 assignments for the state at 2.562 MeV in 70Ge and 2.515 MeV in 72Ge are confirmed.

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Work supported in part by the Atomic Energy Control Board of Canada and US Office of Naval Research Contract No. ONR N00014-67-A-0230-0009 and National Science Foundation Grant MPS-7423869.

††

Present addredd: Center for Radiation Research, national Bureau of Standards, Washington, DC 20234.

†††

Present address: Argonne NationalLaboratory, Argonne, Illinois 60439.

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