Charmonium levels near threshold and the narrow state $X(3872) \to π^{+}π^{-}\jpsi$

Estia J. Eichten, Kenneth Lane, Chris Quigg

We explore the influence of open-charm channels on charmonium properties, and profile the 1:3D2, 1:3D3 and 2:1P1 charmonium candidates for X(3872). The favored candidates, the 1:3D…