T-odd correlations from CP violating anomalous top-quark couplings revisited

Abstract

We revisit the effect of CP violating anomalous top-quark couplings in $t\bar{t}$ production and decay. We consider $t\bar{t}$ production through gluon fusion (and light $q\bar{q}$ annihilation) followed by top-quark decay into $bW$ or $b\ell \nu$. We find explicit analytic expressions for all the triple products generated by the anomalous couplings that fully incorporate all spin correlations. Our results serve as a starting point for numerical simulations for the LHC.

minor typos corrected

References in corpus (5)

• The "Top Priority" at the LHC
• ATLAS sensitivity to Wtb anomalous couplings in top quark decays
• A T-odd observable sensitive to CP violating phases in squark decay
• CP Violation in Supersymmetric Theories: stop2->stop1 H H, stop2->stop1 Z Z, stop2->stop1 W+ W-, stop2->stop1 Z H
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Cited by in corpus (2)

• Analytical results for O(α_s) radiative corrections to e+ e- -> tbar t(pol.) up to a given gluon energy cut
• CP violating anomalous top-quark couplings at the Large Hadron Collider