Experimental evidence for an isotopic effect in the formation of ultracold ground state rubidium dimers (Articolo in rivista)

Type
Label
  • Experimental evidence for an isotopic effect in the formation of ultracold ground state rubidium dimers (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-4075/40/16/009 (literal)
Alternative label
  • Andrea Fioretti; Olivier Dulieu; Carlo Gabbanini (2007)
    Experimental evidence for an isotopic effect in the formation of ultracold ground state rubidium dimers
    in Journal of physics. B, Atomic molecular and optical physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Andrea Fioretti; Olivier Dulieu; Carlo Gabbanini (literal)
Pagina inizio
  • 3283 (literal)
Pagina fine
  • 3293 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 40 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per i processi chimico-fisici del CNR, Via Moruzzi 1, 56127 Pisa, Italy Laboratoire Aimé Cotton, CNRS, Bat. 505, Campus d'Orsay, F-91405 Orsay Cedex, France (literal)
Titolo
  • Experimental evidence for an isotopic effect in the formation of ultracold ground state rubidium dimers (literal)
Abstract
  • We perform a comparative study of the formation of ultracold rubidium dimers in their ground state with both 85Rb and 87Rb isotopes. Ultracold rubidium molecules are created through photoassociation of ultracold atoms into rovibrational levels of the 0+u (5S1/2 + 5P1/2) excited state, which interact through resonant coupling (Dion et al 2001 Phys. Rev. Lett. 86 2253) with rovibrational levels of the 0+u (5S1/2 + 5P3/2) excited state. The photoassociated levels decay by spontaneous emission down to rovibrational levels of the X1Sigma+g ground state. The resonant coupling is expected to enhance the formation of ultracold molecules in low-lying ground-state levels. By modelling the ionization spectrum of these ultracold molecules, we show that this coupling is larger for 87Rb2 molecules than for 85Rb2 molecules. (literal)
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