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Description
The deuteron, as the simplest nuclear bound state, serves as an ideal system for investigating the strong interactions among quarks and gluons inside nuclear matter. We move beyond the traditional proton-neutron description and present the first attempt to model the deuteron's internal structure by incorporating hidden-color degrees of freedom. Within the light-front framework, we treat the deuteron as an effective mixture of color-singlet-singlet and octet-octet clusters and examine how these non-nucleonic components influence its properties.
Using a separation-of-variables approach to the light-front two-cluster bound-state equation, we incorporate both transverse and longitudinal dynamics through two Schr\"odinger-like equations, light-front holography for confinement in the transverse plane and the 't Hooft equation for the longitudinal direction. This allows us to investigate a broad range of observables, including unpolarized and polarized structure functions, the tensor-polarized function $b_1$, and electromagnetic form factors.
Our findings show that hidden-color correlations play a crucial role in shaping the deuteron's spin and partonic structure, and the calculated observables exhibit good agreement with experimental data.
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https://zoom.us/j/99161755974?pwd=HFOAct1hZySj9U44EgIUuseNP3bb1I.1
Zoom ID: 991 6175 5974
PW: 860739
