Higgsstrahlung and pair production in $e^{+}e^{-}$ collision in the noncommutative standard model

Details Higgsstrahlung and pair production in $e^{+}e^{-}$ collision in the noncommutative standard model Higgsstrahlung and pair production in $e^{+}e^{-}$ collision in the noncommutative standard model

2011-05-02

arxiv.org/abs/1105.0252v1

Phys.Rev.D84:045012,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages,15 figures

Scientific paper

10.1103/PhysRevD.84.045012

The higgsstrahlung process $e^+e^-\to Z H$ and pair production process $e^+e^- \to H H$ are studied in the framework of the minimal noncommutative (NC) standard model. In particular, the Feynman rules involving all orders of the noncommutative parameter $\theta$ are derived using reclusive formation of Seiberg-Witten map. It is shown that the total cross section and angular distribution can be significantly affected because of spacetime noncommutativity when the collision energy exceeds to 1 \tev. It is found that in each process, there is an optimal collision energy ($E_{oc}$) for achieving the greatest noncommutative effect, and $E_{oc}$ varies linearly with the NC scale $\Lambda_{NC}$. A brief discussion on the process $e^+e^- \to\mu^+ \mu^-$ is also given.

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