A diabatic coupled-channel model with spin-dependent charm quark interactions yields charmonium masses and component probabilities that support molecular assignments for chi_c1(3872), psi(4040), and chi_c2(3930).
To understand the properties of these states, vari- ous potential models were proposed to describe the inter- actions between quarks [ 8, 9]
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Study on charmonium(-like) mesons within a diabatic approach
A diabatic coupled-channel model with spin-dependent charm quark interactions yields charmonium masses and component probabilities that support molecular assignments for chi_c1(3872), psi(4040), and chi_c2(3930).