Physics
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010njph...12f5031w&link_type=abstract
New Journal of Physics, Volume 12, Issue 6, pp. 065031 (2010).
Physics
2
Scientific paper
We present our study of the realization of atom trap trace analysis for 39Ar, an ultra-sensitive detection method for rare isotopes based on laser cooling. We report on the experimental determination of the hyperfine spectrum of the relevant cooling transition. A high-intensity, optically collimated beam of metastable argon atoms has been set up, and fluorescence detection of single 40Ar atoms in a magneto-optical trap is realized. The deduced efficiencies of each stage lead to an expected 39Ar count rate of six atoms per hour in the final setup.
Aeschbach-Hertig Werner
Henrich M.
Oberthaler Markus K.
Ritterbusch F.
Steinke I.
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