Accumulation of chromium metastable atoms into an optical trapR. Chicireanu, Q. Beaufils, A. Pouderous, B. Laburthe-Tolra, É. Maréchal, L. Vernac, J.-C. Keller and O. GorceixEur. Phys. J. D, 45 2 (2007) 189-195DOI: https://doi.org/10.1140/epjd/e2007-00245-y