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Showing 1 to 2 of 2 for “"HQET"”.
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Aspects of Nonperturbative Heavy Quark Physics
… the leading order Heavy Quark Effective Theory (HQET) are proposed [3]. Compared to other regulator independent renormalization schemes such as RI-xMOM, X-space schemes have the benefit that they are gauge invariant. The next to leading order matching calculations between X-space and MS are …
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Analysis of Excited B Mesons with the OPAL Detector at LEP
A comprehensive high-statistics analysis of the low lying non-strange excited B meson states is performed. From 4 million hadronic <br>Z^0 decays recorded by the OPAL detector on and near to the Z^0 resonance, a sample of more than 570,000 inclusively reconstructed <br>B mesons is selected making …