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Muon‐Spin Resonance in Metals. RF‐Field Penetration, Diffusion, and Trapping Effects
Author(s) -
Brandt E. H.,
Messer R.
Publication year - 1987
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221440130
Subject(s) - trapping , muon spin spectroscopy , muon , foil method , spin polarization , polarization (electrochemistry) , resonance (particle physics) , atomic physics , amplitude , condensed matter physics , relaxation (psychology) , materials science , physics , nuclear physics , chemistry , optics , electron , ecology , composite material , biology , psychology , social psychology
The longitudinal spin polarization in a μ + ‐spin‐resonance experiment is calculated for positive muons diffusing to traps in a metal foil of finite thickness. General expressions are given for the shape of the resonance lines of freely moving and of trapped muons as a function of foil thickness, rf amplitude, trapping probability, and of the local magnetic fields and relaxation rates Γ 1 , Γ 2 of the free and trapped muons.
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