A quantum-mechanics model shows that the left-hand cut does not change the binding momentum extracted from IR-regulated potentials, validating the HAL QCD method's treatment of near-threshold states like T_cc.
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Left-hand cut and the HAL QCD method
A quantum-mechanics model shows that the left-hand cut does not change the binding momentum extracted from IR-regulated potentials, validating the HAL QCD method's treatment of near-threshold states like T_cc.