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Rare B decays with moving NRQCD and improved staggered quarks · Around

2008

Rare B decays with moving NRQCD and improved staggered quarks

Meinel, Stefan, Müller, Eike H., Khomskii, Lew et al.

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We calculate form factors relevant for rare B decays using moving-NRQCD for the b quark and the AsqTad action for the light quarks.

Moving NRQCD allows us to work directly with the physical b quark mass and go to higher recoil momentum compared to standard NRQCD.
Here, we show first results for the matrix elements and the operator matching coefficients.
Some difficulties and possible ways of improvement are discussed.

Built on

M. Wingate, J. Shigemitsu, C. T. H. Davies, G. P. Lepage and H. D. Trottier, Phys. Rev. D 67
2003
Earlier work this paper cites.
A. Hart, G. M. von Hippel, R. R. Horgan and L. C. Storoni, J. Comput. Phys. 209
2005
Earlier work this paper cites.

Similar

A. Dougall, C. T. H. Davies, K. M. Foley and G. P. Lepage [HPQCD Collaboration and UKQCD Collaboration], Nucl. Phys. Proc. Suppl. 140
2005
Cited alongside, same era.
E. Dalgic, A. Gray, M. Wingate, C. T. H. Davies, G. P. Lepage and J. Shigemitsu, Phys. Rev. D 73
2007
Cited alongside, same era.
[HPQCD and UKQCD Collaborations], Moving NRQCD for High Recoil Form Factors in Heavy Quark Physics , in preparation
Cited in the paper.
L. Khomskii, Perturbation Theory for Quarks and Currents in Moving NRQCD on a Lattice , PhD thesis, in preparation
Cited in the paper.

Then

S. Meinel, R. Horgan, L. Khomskii, L. C. Storoni and M. Wingate, PoS LAT2007
Original
2007
Later among the works it cites.
C. T. H. Davies, E. Follana, K. Y. Wong, G. P. Lepage and J. Shigemitsu, PoS LAT2007
Original
2007
Later among the works it cites.

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