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Paper detail

Heavy-light current-current correlators

The current-current correlator method has been used successfully to obtain very accurate results for quark masses and the coupling alpha_s. The calculations were done using Highly Improved Staggered Quarks (HISQ) and heavy-heavy meson correlators. We now extend this work to the significantly more challenging heavy-light case, reporting the first results here. The aim is to determine nonperturbative Z factors for NRQCD heavy-light currents, but first we test the method in the HISQ case where Z=1.

preprint2010arXivOpen access
Jonna KoponenChristine T. H. DaviesKent HornbostelEduardo FollanaG. Peter LepageCraig McNeileJunko ShigemitsuMatthias Steinhauser
hep-lat
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Jonna KoponenChristine T. H. DaviesKent HornbostelEduardo FollanaG. Peter LepageCraig McNeileJunko ShigemitsuMatthias Steinhauser

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