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Analytic O(alpha(s)) results for bottom and top quark production in e(+)e(-) collisions

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Analytic O(alpha(s)) results for bottom and top quark production in e(+)e(-) collisions

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Tung, M.; Bernabeu Alberola, José; Peñarrocha Gantes, José Antonio

Aquest document és un/a article, creat/da en: 1996

We present a new derivation of the O(alpha_s) differential cross section for the production of massive quarks in e+ e- collisions. In our calculation we express the three-particle phase-space integration of the bremsstrahlung process in terms of a general set of analytic integral solutions. A consistent treatment of the QCD one-loop corrections to the axial-vector current deserves special attention. This is relevant in the derivation of the forward-backward asymmetry predicted by the standard model. Finally, we provide the full analytical solutions for the differential rates in closed form and conclude with numerical estimates for bottom and top quark production.

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