Iowa State University
A study of isolated photons in Z0 hadronic decays using the DELPHI detector at LEP
Abstract
dc:description.abstract<p>We present a study of the production of energetic isolated photons in the reaction e[superscript]+e[superscript]-→ Z[superscript]0→ q[macron]q[gamma] using the DELPHI detector at LEP. Within the context of the Standard Model, our results for final state radiation show no evidence for anomolous photon production due to rare or new processes. We present a comparison of our data with these theoretical expectations and present upper limits at the 95% CL on the cross section times the branching ratio to hadrons and a photon for the rare or new processes: (1) [sigma](e[superscript]+e[superscript]-→ Z[superscript]0→ H[superscript]0[gamma])· BR(H[superscript]0→ q[macron]q), (2) [sigma](e[superscript]+e[superscript]-→ Z[superscript]0→ qq[superscript]*)· BR(q[superscript]*→ q[gamma]), (3) [sigma](e[superscript]+e[superscript]-→ Z[superscript]0→ Z[superscript]*[gamma])· BR(Z[superscript]*→ q[macron]q).</p>
Degree
thesis:*- Name thesis:degree_name
- Doctor of Philosophy
- Level thesis:degree_level
- dissertation
- Department dc:contributor.department
- Department of Physics and Astronomy
- Year dc:date.issued
- 1992
Author and committee
dc:creator, dc:contributor.*- Author dc:creator
-
- Holmes, Randall
- Advisor dc:contributor.advisor
-
- E. I. Rosenberg
Rights
- Language dc:language.iso
- en
Identifiers
dc:identifier.*- Identifier
- archive/lib.dr.iastate.edu/rtd/9800/
- OAI identifier oai:identifier
- oai:dr.lib.iastate.edu:20.500.12876/82939