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Paper detail

Heavy-light decay constants from relativistic Nf=2,0 QCD

We present results on an analysis of the decay constants fB and fBs with two flavours of sea quark. The calculation has been carried out on 3 different bare gauge couplings and 4 sea quark masses at each gauge coupling, with m_pi/m_rho ranging from 0.8 to 0.6. We employ the Fermilab formalism to perform calculations with heavy quarks whose mass is in the range of the b-quark. A comparison with a quenched calculation using the same action is made to elucidate the effects due to the sea quarks.

preprint1999arXivOpen access
PACS CollaborationA. Ali KhanS. AokiR. BurkhalterS. EjiriM. FukugitaS. HashimotoN. IshizukaY. IwasakiK. KanayaT. KanekoY. KuramashiT. MankeK. NagaiM. OkawaH. P. ShanahanA. UkawaT. Yoshié
hep-ph
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PACS CollaborationA. Ali KhanS. AokiR. BurkhalterS. EjiriM. FukugitaS. HashimotoN. IshizukaY. IwasakiK. KanayaT. KanekoY. KuramashiT. MankeK. NagaiM. OkawaH. P. ShanahanA. UkawaT. Yoshié

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