作者机构:[1]Institut fiir Theoretische Physik, Universitat Tubingen, Kepler Center for Astro and Particle Physics, Auf der Morgenstelle 14, D-72076 Tiibingen, Germany
相关基金:Supported by Deutsche Forschungsgemeinschaft Contract No.FA67/31-2 and No.GRK683; also part of the European Community-Research Infrastructure Integrating Activity "Study of Strongly Interacting Matter" (acronym Hadron- Physics2 Grant Agreement No.227431); Russian President grant "Scientific Schools" No.3400.2010.2; Russian Science and Innovations Federal Agency contract No.02.740.11.0238 We thank Yubing Dong, Yong-Liang Ma and Sergey Kovalenko for extensive collaborations on the topic of hadron molecules. V.E.L. is on leave from the Department of Physics, Tomsk State University, 634050 Tomsk, Russia.