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inclusive decays 1lattice qcd 1nonperturbative methods 1pnrqcd 1quarkonium 1

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hep-lat2026

Inclusive P-wave Quarkonium Decay Widths from Lattice QCD and pNRQCD

Nora Brambilla, Viljami Leino, Julian Mayer-Steudte +4

The paper develops a method that combines lattice QCD with potential nonrelativistic QCD to calculate inclusive decay widths of P‑wave heavy quarkonium states, determining a key no…