Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-06-27
JHEP 0308 (2003) 051
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, 5 figs, LaTex
Scientific paper
10.1088/1126-6708/2003/08/051
Polarization of both electron and positron beams at a future linear collider (LC) allows for the measurement of transverse polarization asymmetries. These asymmetries have been shown to be particularly sensitive to graviton or other spin-2, $s-$channel exchanges in the process $e^+e^- \to f\bar f (f\neq e)$ which allows for a doubling of the usual search reach. A question then arises as to whether other $e^+e^-$ processes also show comparable sensitivity. Here we extend our previous analysis to the set of final states $e^+e^-, W^+W^-,~2\gamma$ and $~2Z$ as well as to the M{\o}ller scattering process $e^-e^-\to e^-e^-$. We demonstrate that these reactions yield transverse polarization asymmetries which are somewhat less sensitive to graviton exchange than are those obtained in our earlier analysis for $e^+e^-\to f\bar f$.
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