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Di Domenico, Gianni

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Di Domenico, Gianni
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https://libra.unine.ch/handle/123456789/477

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  • Publication
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    Pump-probe spectroscopy and velocimetry of cold atoms in a slow beam
    (2001)
    Di Domenico, Gianni 
    ;
    Mileti, Gaetano 
    ;
    Thomann, Pierre 
    In this paper we report on the first purely "pump-probe" nonlinear laser spectroscopy results in a slow atomic beam. We have observed Raman, Rayleigh, and recoil-induced resonances (RIR) in a continuous beam of slow and cold cesium atoms extracted from a two-dimensional (2D) magneto-optical-trap (MOT) with the moving molasses technique. The RIR enabled us to measure the velocity distribution. therefore the average speed (0.6-4 m/s) and temperature (50-500 muK) of the atomic beam. Compared to time of flight, this technique has the advantage of being local, more sensitive in the low-velocity regime (v