We report on the high resolution photoassociation spectroscopy of a ⁸⁷Rb spin-1 Bose-Einstein condensate to the 1g(P3∕2) $v=152$ excited molecular states. We demonstrate the use of spin dependent photoassociation to experimentally identify the molecular states and their corresponding initial scattering channel. These identifications are in excellent agreement with the eigenvalues of a hyperfine-rotational Hamiltonian. Using the observed spectra we estimate the change in scattering length and identify photoassociation laser light frequency ranges that maximize the change in the spin-dependent mean-field interaction energy.
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Hamley et al. (2009) studied this question.
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