Towards Control of Cold Molecule Formation The Photoassociation Process J. Vala, O. Dulieu, F. Masnou-Seeuws, P. Pillet, R. Kosloff The Fritz Haber Research Center for Molecular Dynamics, the Hebrew University, Jerusalem, Israel & Laboratoire Aime Cotton, CNRS, Orsay, France Our general objective is the theoretical exploration of coherent control of photoassociation and of formation of cold molecules in a sample of ultracold alkali atoms. This study, in particular, focuses on the optimization of the recently experimentally achieved formation of cold cesium ground triplet state molecules in a magneto-optical trap using chirped pulsed electromagnetic field.