Velocity dependence of the transient hyperfine field at Pd ions swiftly recoiling through magnetized Fe

A. E. Stuchbery, C. G. Ryan, H. H. Bolotin, and S. H. Sie
Phys. Rev. C 23, 1618 – Published 1 April 1981
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Abstract

The velocity dependence of the transient hyperfine magnetic field manifest at nuclei of Pd108 ions recoiling through magnetized Fe was investigated to a velocity higher than previously examined for the heavier nuclides. The state of interest (21+) was populated by Coulomb excitation using beams of 80-MeV S32 and 180-MeV Ni58 ions and precessed γ-ray angular distribution measurements were carried out in coincidence with backscattered projectiles. These results, when combined with prior lower-velocity measurements for Pd106, yield a transient field velocity dependence vp, p=0.41±0.15, for Pd isotopes over the extended velocity range 1.74vv07.02 (v0=c137) a result incompatible with a linear velocity dependence.

NUCLEAR REACTIONS Pd108 (S32, S32) Pd108(21+), Pd108 (Ni58, Ni58) Pd108(21+), ES=80 MeV, ENi=180 MeV, enriched target; measured W(θ,H,) in polarized Fe. Deduced transient field and velocity dependence of PdFe for vc<~0.054.

  • Received 16 October 1980

DOI:https://doi.org/10.1103/PhysRevC.23.1618

©1981 American Physical Society

Authors & Affiliations

A. E. Stuchbery, C. G. Ryan, and H. H. Bolotin

  • School of Physics, University of Melbourne, Parkville, Victoria 3052, Australia

S. H. Sie

  • Department of Nuclear Physics, Research School of Physical Sciences, Australian National University, Canberra, A.C.T. 2600, Australia

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Vol. 23, Iss. 4 — April 1981

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