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Decay constants of heavy-light mesons

N. Cabibbo, F. Marzano, F. Rapuano, G. Salina, S. Cabasino, G. Martinelli, G.M. Todesco, W. Tross, V. Lubicz, M. Crisafulli, C. Battista, P.S. Paolucci, J. Pech, R. Sarno, M. Torelli, P. Vicini, A. Bartoloni, Chris Allton Orcid Logo

Nuclear Physics B - Proceedings Supplements, Volume: 34, Pages: 456 - 458

Swansea University Author: Chris Allton Orcid Logo

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Abstract

The decay constants of the heavy-light pseudoscalar mesons are studied in a high statistics run using the Wilson action at $\beta=6.0$ and $\beta=6.2$, and the clover action at $\beta=6.0$. The systematics of $O(a)$ discretisation errors are discussed. Our best estimates of the decay constants are:...

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Published in: Nuclear Physics B - Proceedings Supplements
ISSN: 09205632
Published: 1994
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa28476
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Abstract: The decay constants of the heavy-light pseudoscalar mesons are studied in a high statistics run using the Wilson action at $\beta=6.0$ and $\beta=6.2$, and the clover action at $\beta=6.0$. The systematics of $O(a)$ discretisation errors are discussed. Our best estimates of the decay constants are: $f_D$ = 218(9) MeV, $f_D/f_{Ds}$ = 1.11(1) and we obtain preliminary values for $f_B$.
College: College of Science
Start Page: 456
End Page: 458