Collisional decay of Rb87 Feshbach molecules at 1005.8 G

N. Syassen*, T. Volz, S. Teichmann, S. Dürr, G. Rempe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


We present measurements of the loss-rate coefficients Kam and Kmm caused by inelastic atom-molecule and molecule-molecule collisions. A thermal cloud of atomic Rb87 is prepared in an optical dipole trap. A magnetic field is ramped across the Feshbach resonance at 1007.4 G. This associates atom pairs to molecules. A measurement of the molecule loss at 1005.8 G yields Kam =2× 10-10 cm3/s. Additionally, the atoms can be removed with blast light. In this case, the measured molecule loss yields Kmm =3× 10-10 cm3/s.

Original languageEnglish
Article number062706
Pages (from-to)1-4
Number of pages4
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number6
Publication statusPublished - 2006
Externally publishedYes


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