Feasibility Study for Measuring Drell-Yan Angular Coefficients in the Atlas Detector Using Low-Pileup Data Sets

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  • W and Z bosons are the mediators of the fundamental weak force and are some of the particles produced using proton-proton collisions with the Large Hadron Collider at CERN. Proton-proton interactions producing Z bosons, which subsequently decay into leptonic particles, like electrons, are known as the Drell-Yan process. Its differential cross-section expresses the probability for this process to occur depending on the Z bosons' and decay products' kinematic variables. It can be separated into eight spin-related ratios, known as the Drell-Yan angular coefficients. This thesis is a feasibility study to explore if there is sufficient statistical sensitivity to measure the coefficients with special data sets. Taken with the ATLAS detector, these sets have a lower average number of interactions per proton bunch crossing. This thesis includes predictions of the coefficients and comparisons of MC simulations to the data; this is the first look at these data sets.

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  • Copyright © 2019 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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  • 2019


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