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Report | New insights into exotic hadron states

Title:  New insights into exotic hadron states

Speaker:  Doc. KANG Xian-wei

Time:  PM 1:30-2:30,  Jan. 11st, 2018

Location:  Room 436,  Xing-jian Building

Abstract:  In this talk, we will briefly introduce our work on Vub extraction, where a model-independent dispersion theory is proposed. In the second part, we will show our recent progress on the exotic XYZ states, where the definition of compositeness for resonance is quantified. Using a more general two-body scattering amplitude we find several new points for X(3872) that has not been realized in our community.