 Both excavation and archaeometric analyses were carried out by Dr H.A.Veldhuijzen, first at Leiden University, then since 2001 at the UCL Institute of Archaeology, as a part of the joint excavations conducted by Yarmouk University and Leiden University and co-directed by Prof. Dr. Zeidan Kafafi and Dr. Gerrit Van der Kooij.Several periods are attested at Hammeh.