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34 papers · 1 filter
Do we understand the unquenched value of fB?
Craig McNeile
I review our qualitative understanding of the increase in the value of the B meson decay constant (fB), when dynamical fermions are included in lattice QCD calculations.
The spread and extreme terms of Jones polynomials
Yongju Bae, H. R. Morton
We adapt Thistlethwaite's alternating tangle decomposition of a knot diagram to identify the potential extreme terms in its bracket polynomial, and give a simple combinatorial calc…
f_B for Various Actions : Approaching the Continuum Limit with Dynamical Fermions
C. Bernard, S. Datta, C. DeTar +7
We present results for pseudoscalar decay constants of heavy-light mesons using both quenched and N_f = 2 dynamical fermion configurations. A variety of fermion actions is investig…
Classical behaviour of the Dirac bispinor
Sarah B. M. Bell, John P. Cullerne, Bernard M. Diaz
It is usually supposed that the Dirac and radiation equations predict that the phase of a fermion will rotate through half the angle through which the fermion is rotated, which mea…
A new approach to quantum gravity: a summary
Sarah B. M. Bell, John P. Cullerne, Bernard M. Diaz
Quantum Electrodynamics (QED) has been so successful a theory that it is taken as a model for the production of further quantum theories. However, when the prescription for quantis…
Mixing of scalar glueballs and flavour-singlet scalar mesons
UKQCD Collaboration, Craig McNeile, Chris Michael
We discuss in detail the extraction of hadronic mixing strengths from lattice studies. We apply this to the mixing of a scalar glueball and a scalar meson in the quenched approxima…