Publication Date

2005

Document Type

Dissertation/Thesis

First Advisor

Hedin, David

Degree Name

Ph.D. (Doctor of Philosophy)

Department

Department of Physics

LCSH

Particles (Nuclear physics)||Heavy particles (Nuclear physics)||Supersymmetry

Abstract

A search for charged massive stable particles has been performed with the DØ detector at the Fermilab Tevatron. The signature is two particles reconstructed as muons, but with speed and invariant mass inconsistent with beam-produced muons. No excess of events is observed and limits are set on the production cross-section for pair-produced stable stau sleptons based on 390 pbˉ¹ of data. Limits vary from 0.06 pb to 0.62 pb, depending on the stau mass, and are the strictest Tevatron limits to date. Mass limits are also set for stable charginos. The limits are 140 GeV/c₂ for a higgsino-like chargino and 174 GeV/c₂ for a gaugino-like chargino. These are currently the best limits to date for stable charginos.

Comments

Includes bibliographical references (pages [116]-118).

Extent

xii, 118 pages (some color pages)

Language

eng

Publisher

Northern Illinois University

Rights Statement

In Copyright

Rights Statement 2

NIU theses are protected by copyright. They may be viewed from Huskie Commons for any purpose, but reproduction or distribution in any format is prohibited without the written permission of the authors.

Media Type

Text

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