2000Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsOpen access

Next-to-leading order supersymmetric QCD predictions for associated production of gauginos and gluinos

Edmond L. Berger, Michael Klasen, Tim M. P. Tait

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Abstract

We present complete results of a next-to-leading order calculation of the production of gaugino-like charginos $({\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}^{\ifmmode\pm\else\textpm\fi{}})$ and neutralinos $({\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}^{0})$ in association with gluinos $(\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{g})$ at hadron colliders, including the strong corrections from the exchange of colored particles and sparticles. Adopting a variety of models for the sparticle mass spectrum, including typical supergravity (SUGRA) models and a light gluino model, we provide predictions for total and differential cross sections at the energies of the Fermilab Tevatron and CERN Large Hadron Collider (LHC).

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What this paper is about

We present complete results of a next-to-leading order calculation of the production of gaugino-like charginos $({\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}^{\ifmmode\pm\else\textpm\fi{}})$ and neutralinos $({\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}^{0})$ in association with gluinos $(\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{g})$ at hadron colliders, including the strong corrections from the exchange of colored particles and sparticles. Adopting a variety of models for the sparticle mass spectrum, including typical supergravity (SUGRA) models and a light gluino model, we provide predictions for total and differential cross sections at the energies of the Fermilab Tevatron and CERN Large Hadron Collider (LHC).

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Available abstract

We present complete results of a next-to-leading order calculation of the production of gaugino-like charginos $({\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}^{\ifmmode\pm\else\textpm\fi{}})$ and neutralinos $({\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}^{0})$ in association with gluinos $(\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{g})$ at hadron colliders, including the strong corrections from the exchange of colored particles and sparticles. Adopting a variety of models for the sparticle mass spectrum, including typical supergravity (SUGRA) models and a light gluino model, we provide predictions for total and differential cross sections at the energies of the Fermilab Tevatron and CERN Large Hadron Collider (LHC).

Key concepts: Gluino, Superpartner, Particle physics, Physics, Gaugino, Tevatron, Large Hadron Collider, Supersymmetry

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