Messung der Hyperfeinstrukturaufspaltung des4F9/2-Grundzustandes im Co59-I-Spektrum und Bestimmung des Quadrupolmomentes des Co59-Kernes |
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Authors: | D v Ehrenstein H Kopfermann S Penselin |
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Institution: | 1. I. Physikalischen Institut der Universit?t Heidelberg, Deutschland
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Abstract: | The hyperfine structure splittings of the electronic ground statea 4 F 9/2 in the Co59-I-spectrum have been measured with a magnetic atomic-beam resonance-apparatus. From these splittings the magnetic dipole and electric quadrupole interaction constants are found to beA (a 4 F /2)=(450,284±0,01) Mc/sec,B (a 4 F 9/2)= (139,63±0,5) Mc/sec. Taking into account the mixture of thea 4 F 9/2 state with states of the same 3d 7 4s 2-electron-configuration, an electric quadrupole moment of Co59 ofQ=(0,404±0,04) 10?24 cm2 was obtained. No Sternheimer-correction has been included. |
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