Spectroscopy and Decay Constants from Nonperturbative HQET at Order 1-m - High Energy Physics - LatticeReport as inadecuate




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Abstract: We carry out a thorough analysis with the GEVP method to obtain ground-stateand first-excited-state masses and decay constants of bottom-strangepseudo-scalar and vector mesons. This computation is done for quenched,nonperturbatively renormalized HQET, including order $1-m b$ terms. Thecontinuum limit is obtained using three lattice spacings and two staticactions.



Author: Benoit Blossier, Michele Della Morte, Nicolas Garron, Georg von Hippel, Tereza Mendes, Hubert Simma, Rainer Sommer

Source: https://arxiv.org/







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