Measurements of the Hyperfine Structure and ΔF = +2 Transitions in Eu I by High-Resolution Diode-Laser Spectroscopy
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概要
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High-resolution atomic-beam laser spectroscopy in Eu I has been performed using a tunable diode laser. The hyperfine structure (hfs) and isotope shift of the 4f^76s^2 ^8S_<7/2>-4f^76s6p ^<10>P_<9/2> transition at 686.45 nm have been measured. The hfs constants A and B of ^<151>Eu and ^<153>Eu have been determined for the upper state 4f^76s6p ^<10>P_<9/2>, and the hyperfine anomaly has been derived. The ΔF = +2 transitions, normally forbidden, have been induced by applying a magnetic field of approximately 1 G. Their intensity dependences on the magnetic field strength and on the hfs splittings agreed with the first-order perturbation theory, which considers the mixing between the closely lying hfs levels in the ground state.
- 社団法人日本物理学会の論文
- 2002-08-15
著者
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Jin Wei-guo
Department Of Physics Faculty Of Science Toho University
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Hasegawa K
Department Of Physics Faculty Of Science Toho University
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Wakui Takashi
Department Of Physics Faculty Of Science Toho University
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Wakui Takashi
Department Of Environmental Science And Technology Tokyo Institute Of Technology
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Jin Wei-guo
Department Of Physics Faculty Of Science Hiroshima University
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HASEGAWA Kenji
Department of Physics, Faculty of Science, Toho University
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UEMATSU Haruko
Department of Physics, Tokyo Gakugei University
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MINOWA Tatsuya
Department of Physics, Faculty of Science, Toho University
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KATSURAGAWA Hidetsugu
Department of Physics, Faculty of Science, Toho University
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ENDO Toshiaki
Department of Physics, Faculty of Science, Toho University
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Endo Takasi
Department Of Physics Saga University
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Endo T
Department Of Physics Saga University
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Endo Toshiaki
Department Of Obstetrics And Gynecology Sapporo Medical University
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Minowa Tatsuya
Department Of Physics Faculty Of Science Toho University
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Uematsu Haruko
Department Of Physics Tokyo Gakugei University
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Katsuragawa Hidetsugu
Department Of Physics Faculty Of Science Toho University
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