TETRAQUARKS WITH HEAVY FLAVORS

In the framework of a simple nonrelativistic potential model, we have previously studied the stability of a system of two quarks and two ant iquarks of identical light flavor. Here, we extend our analysis to qua rks (antiquarks) of different masses and discuss the role of heavy fla vors on the stability of the system. This analysis is performed by usi ng a simple variational method which proved powerful in the treatment of other few-body systems. We compare our results with other results f rom the literature and single out a few characteristics of the spectru m of the tetraquarks.