Abstract
The level-crossing technic has been used to investigate the hyperfinestructur of the 3d 10 4p 2 P 3/2-term in Copper I by scattering the resonance line λ=3248 Å on an atomic beam of separated isotop Cu63 respectively Cu65 in an external magnetic field. From the level-crossing signals values for the magnetic dipol interaction constantsA and for the electric quadrupol interaction constantsB are deduced to beeA(Cu63)=(194,72±0,15) Mc/secB(Cu63)=−(28,8±0,6) Mc/secA(Cu65)=(208,57±0,15) Mc/secB(Cu65)=−(25,9±0,6) Mc/sec.
With theA-value of the 3d 10 4p2P1/2-term from optical measurements the ratioA(2 P 3/2)∶A(2 P 1/2)≈0,4 is about twice greater than for an unperturbetalkali-like2P-term. From the width of the level-crossing signals a mean lifetime of the 3d10 4p2P3/2-term τ=(7,0±0,2) · 10−9 sec is deduced.
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Herrn Prof. Dr. H.Bucka gilt mein herzlicher Dank für die Anregung zu dieser Arbeit und sein stets förderndes Interesse. Herrn cand. ing. G.Heppke danke ich für seine Mithilfe beim Aufbau der Apparatur und bei den Messungen.
Die Deutsche Forschungsgemeinschaft stellte in dankenswerter Weise verschiedene Meßgeräte zur Verfügung.
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Ney, J. Level-crossing-Untersuchung der Hyperfeinstruktur des 3d 10 4p 2 P 3/2-Terms von Cu63 und Cu65 . Z. Physik 196, 53–65 (1966). https://doi.org/10.1007/BF01330908
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DOI: https://doi.org/10.1007/BF01330908