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Second-order contributions to the non-exotic light hybrid meson correlation function (J^{PC}=1^{--}) in the chiral limit

Elementary particles form hadrons through the strong interaction; one interpretation of a possible hadron bound-state is a hybrid meson which is composed of a quark-antiquark pair and gluonic content. Non-exotic hybrid mesons share spin <i>J</i>, parity <i>P</i> and charge conjugation <i>C</i> quantum numbers with quark-antiquark states while exotic hybrids do not. Aspects of particle physics, strong interactions, and quantum field theory necessary for calculating the correlation function for a hybrid meson will be reviewed. In particular, the perturbative part of the correlation function for a hybrid meson with <i>J</i><sup>PC</sup>=1<sup>--</sup> will be formulated in terms of Feynman rules and diagrams and calculated to next-to-leading order in the light (massless) quark case. Assuming the hybrid current renormalizes multiplicative, the next-to-leading order effects are found to be large, and are potentially important for future determinations of the light-quark non-exotic hybrid meson.

Identiferoai:union.ndltd.org:USASK/oai:usask.ca:etd-09022010-140555
Date20 September 2010
CreatorsRatzlaff, Melissa Anne
ContributorsSteele, T., Harnett, Derek, Dick, R., McWilliams, K., Soteros, C., Xiao, C.
PublisherUniversity of Saskatchewan
Source SetsUniversity of Saskatchewan Library
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://library.usask.ca/theses/available/etd-09022010-140555/
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