Collisional properties of sympathetically cooled $^{39}$K

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dc.creatorDe Sarlo, L.
dc.creatorMaioli, P.
dc.creatorBarontini, G.
dc.creatorCatani, J.
dc.creatorMinardi, F.
dc.creatorInguscio, M.
dc.date2007-01-03
dc.date.accessioned2026-07-07T07:38:09Z
dc.date.available2026-07-07T07:38:09Z
dc.descriptionWe report the experimental evidence of the sympathetic cooling of $^{39}$K with $^{87}$Rb down to 1 $μ$K, obtained in a novel tight confining magnetic trap. This allowed us to perform the first direct measurement of the elastic cross section of $^{39}$K below 50 $μ$K. The result obtained for the triplet scattering length, $a_T = -51(7)$ Bohr radii, agrees with previous results derived from photoassociation spectra and from Feshbach spectroscopy of $^{40}$K.
dc.description7 pages, 4 figures, submitted to Phys. Rev. A
dc.identifierhttps://arxiv.org/abs/cond-mat/0701051
dc.identifierhttp://arxiv.org/abs/cond-mat/0701051
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/121019
dc.subjectOther Condensed Matter
dc.titleCollisional properties of sympathetically cooled $^{39}$K
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