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High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when higher-order corrections are included. We propose such a scheme, Supersymmetry Parameter Analysis SPA, based on a consistent set of conventions and input parameters. A(More)
Squalene synthase (SQS) is an important enzyme in the steroid biosynthetic pathways which condenses two molecules of farnesyl pyrophosphate into a squalene. In this study, the gene encoding SQS was isolated from Schizochytrium limacinum and characterized. The full-length cDNA of S. limacinum SQS gene (SlSQS) is 1605 bp in length, it contains a 1293 bp ORF(More)
We perform a combination of searches for standard model Higgs boson production in p¯ p collisions recorded by the D0 detector at the Fermilab Tevatron Collider at a center of mass energy of √ s = 1.96 TeV. The different production and decay channels have been analyzed separately, with integrated luminosities of up to 9.7 fb −1 and for Higgs boson masses 90(More)
We present an improved determination of the total width of the top quark, Γt, using 5.4 fb −1 of integrated luminosity collected by the D0 Collaboration at the Tevatron p¯ p Collider. The total width Γt is extracted from the partial decay width Γ(t → W b) and the branching fraction B(t → W b). Γ(t → W b) is obtained from the t-channel single top quark(More)