Muon diffusion in niobium in the presence of traps

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Investigates muon diffusion in niobium with controlled amounts of interstitial impurities. The polarization decay was interpreted in terms of a two-state model where the muon is alternatively in a state of free diffusion or in traps. A good fit of all data was obtained, yielding correlation times fo...

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Detalles Bibliográficos
Autores principales: Borghini, M, Hartmann, O, Karlsson, E, Kehr, K W, Niinikoski, T O, Norlin, L O, Pernestal, K, Richter, D, Soulié, J C, Walker, E
Lenguaje:eng
Publicado: 1978
Materias:
Condensed Matter
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.40.1723
http://cds.cern.ch/record/879160
Descripción
Sumario:Investigates muon diffusion in niobium with controlled amounts of interstitial impurities. The polarization decay was interpreted in terms of a two-state model where the muon is alternatively in a state of free diffusion or in traps. A good fit of all data was obtained, yielding correlation times for the jump motion, as well as capture and release rates of the traps. A good fit of all data was obtained, yielding correlation times for the jump motion, as well as capture and release rates of the traps. The muons are found to be mobile in Nb down to 14K. (16 refs).

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