Wave-Function Reconstruction for the Determination of the Scattering Length of Sr

Details Wave-Function Reconstruction for the Determination of the Scattering Length of Sr Wave-Function Reconstruction for the Determination of the Scattering Length of Sr

2005-01-11

arxiv.org/abs/physics/0501053v2

Physics

Atomic Physics

4 pages, 3 figures

Scientific paper

We have investigated the photoassociation (PA) spectra of ultracold $^{88}$Sr atoms near the $5s^2 ^1S_0+5s5p ^1P_1$ atomic asymptote. The intensity modulation of the PA lines was used to reconstruct the ground-state scattering wave function, whose nodal point inferred the s-wave scattering length of $a=1.1(2)$ nm. The observed PA resonances also determined a precise lifetime of the $^1P_1$ state to be 5.263(4) ns.

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