CP violating asymmetries in single top quark production at the Tevatron p pbar collider

Details CP violating asymmetries in single top quark production at the Tevatron p pbar collider CP violating asymmetries in single top quark production at the Tevatron p pbar collider

2001-08-08

arxiv.org/abs/hep-ph/0108076v2

Phys.Rev. D65 (2002) 094002

Physics

High Energy Physics

High Energy Physics - Phenomenology

The numerical results are corrected and some changes that meet the requirements of Phys. Rev. D are made

Scientific paper

10.1103/PhysRevD.65.094002

Analytic expressions for the angular distributions of the $b$-quarks associated with single $t$-quark production in $p \bar p \to W^* \to t \bar b \to b \bar b W$ and of the leptons from the subsequent decay $W \to l\nu$ are obtained in the laboratory system. CP violation in the $t$-production vertex is assumed. Different angular and total cross section CP violating asymmetries are considered. Relations testing CP violation solely in the $t$-decay vertex are also obtained. A numerical analysis is performed in the MSSM with a CP violating phase of the trilinear coupling $A_{\tilde t}$. The asymmetries are typically of the order $10^{-3}$ - $10^{-4}$.

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