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Spectroscopic determination of the s-wave scattering lengths of 86Sr and 88Sr

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arxiv physics/0507112 v1 pith:5FKCXPZI submitted 2005-07-14 physics.atom-ph

Spectroscopic determination of the s-wave scattering lengths of 86Sr and 88Sr

P.G. Mickelson , Y.N. Martinez , A.D. Saenz , S.B. Nagel , Y.C. Chen , T.C. Killian , P. Pellegrini , R. Cote This is my paper
classification physics.atom-ph
keywords lengthsscatteringdeterminephotoassociatives-waveallowsamplitudeatomic
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We report the use of photoassociative spectroscopy to determine the ground state s-wave scattering lengths for the main bosonic isotopes of strontium, 86Sr and 88Sr. Photoassociative transitions are driven with a laser red-detuned by up to 1400 GHz from the 1S0-1P1 atomic resonance at 461 nm. A minimum in the transition amplitude for 86Sr at -494+/-5 GHz allows us to determine the scattering lengths 610a0 < a86 < 2300a0 for 86Sr and a much smaller value of -1a0 < a88 < 13a0 for 88Sr.

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