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Hadronic Event Shapes in Decay
Michael Luke, Martin J. Savage, Mark B. Wise
We compute the differential momentum correlation function for hadrons produced in the decay of -mesons. This measure of hadronic event shapes tests the free -quark decay pict…
Extracting , and from Inclusive and Decays
Michael Luke, Martin J. Savage
Using recent results for nonperturbative contributions to the and meson inclusive semileptonic widths, a model independent extraction of $\vbc$, and is made fro…
Heavy Quark Fragmentation to Polarised Quarkonium
Adam F. Falk, Michael Luke, Martin J. Savage +1
We calculate the polarisation of 's and 's produced by the fragmentation of heavy quarks. We find that fragmentation to transversely aligned quarkonium is slightly enhanced r…
Flavour Changing Neutral Currents, Weak-Scale Scalars and Rare Top Decays
Michael Luke, Martin J. Savage
We examine the decays and in the Standard Model with an extra scalar doublet and no discrete symmetry preventing tree-level flavour changing neutral curre…
E2/M1 Mixing Ratio of and Hyperon Resonance Radiative Decay
M. N. Butler, M. J. Savage, R. P. Springer
We compute the leading contribution to the E2/M1 mixing ratio of the decay in heavy baryon chiral perturbation theory. We find the mixing ratio to be $4\% \ltap |…