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Two-loop quarkonium Hamiltonian in annihilation channel

hep-ph · 2026-04-25 · unverdicted · novelty 6.0

Two-loop quarkonium Hamiltonian in the annihilation channel is calculated in potential-NRQCD, agreeing with prior NRQCD four-quark operator results for SU(N) and generalized to other gauge groups.

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  • Two-loop quarkonium Hamiltonian in annihilation channel hep-ph · 2026-04-25 · unverdicted · none · ref 12

    Two-loop quarkonium Hamiltonian in the annihilation channel is calculated in potential-NRQCD, agreeing with prior NRQCD four-quark operator results for SU(N) and generalized to other gauge groups.