@article{article06391132,
title   = {Structure in the angular dependence of optical suppression of photoassociative ionization collisions within an optically cooled and collimated sodium atom beam},
author = {Degraffenreid, William and Ramirez-Serrano, J and LIU, Y M and Napolitano, Reginaldo de Jesus and Rosenbaum, A and Weiner, J},
year = {2000},
doi = {10.1007/s003400000472},
journal   = {Applied Physics B}
}