Lattice QCD on one ensemble yields electromagnetic form factors for T_bb, indicating a compact heavy diquark plus light antidiquark bound state with charge radius smaller than the BB* threshold.
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Extends LFWF studies to heavy pseudoscalar quarkonia via a modified non-separable ansatz that reproduces their properties and enables computation of GPDs, electromagnetic and gravitational form factors, and transverse distributions.
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Pseudoscalar charmonium and bottomonium: light-front wave functions, distribution amplitudes and distribution functions
Extends LFWF studies to heavy pseudoscalar quarkonia via a modified non-separable ansatz that reproduces their properties and enables computation of GPDs, electromagnetic and gravitational form factors, and transverse distributions.