180° elastic electron scattering from the magnetization distributions of Mg25 and Nb93

R. C. York and G. A. Peterson
Phys. Rev. C 19, 574 – Published 1 March 1979
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Abstract

Magnetic electron scattering cross sections for Mg25 and Nb93 have been measured by means of 180° elastic electron scattering at momentum transfers from 0.8 to 2.2 fm1. The M1, M3, and M5 form factors extracted from the data for Mg25 agree with shell model and Nilsson model calculations over most of the momentum transfer range. The M3 form factor is strongly suppressed with respect to the M1 and the M5. The measured relatively small quenching of the M1, M3, M5, M7, and M9 form factors of Nb93 are in good agreement with a shell model calculation of Gloeckner, and show that the magnetic effects in Nb93 are predominantly due to the single 1g92 proton.

NUCLEAR REACTIONS Mg25(e,e), Nb93(e,e), E=80215 MeV, θ=180°, measured σ(E,180°); deduced magnetic moment from factors.

  • Received 23 October 1978

DOI:https://doi.org/10.1103/PhysRevC.19.574

©1979 American Physical Society

Authors & Affiliations

R. C. York* and G. A. Peterson

  • Department of Physics and Astronomy, University of Massachusetts, Amherst, Massachusetts 01003

  • *Present address: Physics Department, American University, Washington, D.C. 20016.

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Vol. 19, Iss. 3 — March 1979

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