The impact of strongly interacting relics on big bang nucleosynthesis

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dc.contributor.authorSharman, Jonathan William
dc.contributor.supervisorPospelov, Maxim
dc.date.accessioned2010-12-17T17:48:08Z
dc.date.available2010-12-17T17:48:08Z
dc.date.copyright2010en
dc.date.issued2010-12-17T17:48:08Z
dc.degree.departmentDept. of Physics and Astronomyen
dc.degree.levelMaster of Science M.Sc.en
dc.description.abstractWe study the impact of long lived strongly interacting particles on primordial nuclear abundances. Particularly we look at the case of anti-squark quark bound states called mesinos. These mesinos are similar to massive nucleons in that they have the same spin and isospin. Like nucleons, the mesinos take part in nucleosynthesis and are bound into nuclei. We incorporate the mesinos into the various stages of BBN, from the QCD phase transition, to their capture of nucleons, to their eventual decay. We identify the mechanisms by which the mesinos could impact primordial abundances and show which actually do so. We nd that for the predicted mesino abundance, only one mechanism exists that has the potential of generating an observable signature.en
dc.identifier.urihttp://hdl.handle.net/1828/3168
dc.languageEnglisheng
dc.language.isoenen
dc.rightsAvailable to the World Wide Weben
dc.subjectBig bang nucleosynthesisen
dc.subjectCosmologyen
dc.subjectSupersymmetryen
dc.subjectNuclear theoryen
dc.subject.lcshUVic Subject Index::Sciences and Engineering::Physics::Nuclear physicsen
dc.subject.lcshUVic Subject Index::Sciences and Engineering::Physics::Astrophysicsen
dc.titleThe impact of strongly interacting relics on big bang nucleosynthesisen
dc.typeThesisen

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