Measurement of Multijet Ratios and a Determination of αs at the Tevatron

Lee Sawyer

doi:10.1051/epjconf/20136020017

EPJ

a
b
d
e
ap
st
h
plus

Proceedings

Open Access

EPJ Web of Conferences 60, 20017 (2013)
https://doi.org/10.1051/epjconf/20136020017

Measurement of Multijet Ratios and a Determination of α_s at the Tevatron

Lee Sawyer^a on behalf of the DØ Collaboration

Louisiana Tech University

^a e-mail: sawyer@phys.latech.edu

Published online: 26 November 2013

Abstract

In this poster we present several recent results for the production of multijet final states in collisions at a center of mass energy of 1.96 TeV, taken with the DØ experiment at the Fermilab Tevatron collider.. These measurements, defined as ratios of three-jet to two-jet quantities, reduce the dependence of the results on Parton Distribution Functions (PDFs) and experimental systematic uncertainties. Based on one of these ratio measurements, a value of α_s is determined and the running of α_s tested over a wide range of jet transverse momenta.

© Owned by the authors, published by EDP Sciences, 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.