Abstract
This thesis documents two analyses performed with the large sample of dielectron and dimuon events collected by the D0 detector at the Fermilab Tevatron. The first analysis takes a novel approach to the long studied Drell-Yan transverse momentum distribution, which probes higher order effects in Quantum chromodynamics.
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Notes
- 1.
At the Plank scale quantum effects on gravity become significant. The Plank scale is defined as \(\Lambda _\mathrm{Plank} = (8\pi G_N)^{-1/2} \approx 10^{19}\) GeV, where \(G_N\) is the gravitational constant.
- 2.
A right-(left-) handed particle has its spin and momentum vector pointing in the same (opposite) direction.
- 3.
All exclusions that are quoted in this section are at 95 % C.L.
- 4.
The matching procedure must ensure that perturbative terms are not double counted by the fixed order and resummed calculations.
- 5.
The underlying event is activity that is not associated with the hard parton-parton scattering, e.g., the hadron remnants or multiple parton scattering.
- 6.
This measurement was translated from the observable \(ZZ/\gamma ^*\) cross section to a “pure” \(ZZ\) cross section.
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Vesterinen, M. (2012). Introduction and Theoretical Background. In: Z Boson Transverse Momentum Distribution, and ZZ and WZ Production. Springer Theses. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30788-1_1
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