Phys. Rev. Lett. 96, 153201 (2006) [4 pages]
High-Resolution Photoassociation Spectroscopy of Ultracold Ytterbium Atoms by Using the Intercombination Transition
Abstract
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Citing Articles
Satoshi Tojo, 1,2 Masaaki Kitagawa, 1 Katsunari Enomoto, 1 Yutaka Kato, 1 Yosuke Takasu, 3 Mitsutaka Kumakura, 1,2 and Yoshiro Takahashi1,21Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
2CREST, Japan Science and Technology Agency, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
3Department of Electronic Science and Engineering, Graduate School of Engineering, Kyoto University, Kyoto 615-8530, Japan
Received 17 October 2005; published 21 April 2006
We observed high-resolution photoassociation spectra of laser-cooled ytterbium (Yb) atoms in the spin-forbidden 1S0-3P1 intercombination line. The rovibrational levels in the 0 state were measured for red detunings of the photoassociation laser ranging from 2.9 MHz to 1.97 GHz with respect to the atomic resonance. The rotational splitting of the vibrational levels near the dissociation limit were fully resolved due to the sub-MHz linewidth of the spectra in contrast to previous measurements using the spin-allowed singlet transition. In addition, from a comparison between the spectra of 174Yb and those of 176Yb, a d-wave shape resonance for 174Yb is strongly suggested.
©2006 The American Physical Society
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