Kinematic fitting of detached vertices

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dc.contributor.advisorMutchler, Gordon S.
dc.creatorMattione, Paul
dc.date.accessioned2009-06-03T21:12:14Z
dc.date.available2009-06-03T21:12:14Z
dc.date.issued2007
dc.description.abstractThe eg3 experiment at the Jefferson Lab CLAS detector aims to determine the existence of the &Xgr;5 pentaquarks and investigate the excited &Xgr; states. Specifically, the exotic X--5 pentaquark will be sought by first reconstructing the X- particle through its weak decays, X- → pi- and &Lgr; → ppi -. A kinematic fitting routine was developed to reconstruct the detached vertices of these decays, where confidence level cuts on the fits are used to remove background events. Prior to fitting these decays, the exclusive reaction gammaD→ pppi- was studied in order to correct the track measurements and covariance matrices of the charged particles. The &Lgr; → ppi- and xi- → pi -&Lgr; decays were then investigated to demonstrate that the kinematic fitting routine reconstructs the decaying particles and their detached vertices correctly.
dc.format.extent122 p.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.callnoTHESIS PHYS. 2007 MATTIONE
dc.identifier.citationMattione, Paul. "Kinematic fitting of detached vertices." (2007) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/20522">https://hdl.handle.net/1911/20522</a>.
dc.identifier.urihttps://hdl.handle.net/1911/20522
dc.language.isoeng
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.subjectNuclear physics
dc.subjectParticle physics
dc.subjectElementary particles
dc.subjectHigh energy physics
dc.titleKinematic fitting of detached vertices
dc.typeThesis
dc.type.materialText
thesis.degree.departmentPhysics
thesis.degree.disciplineNatural Sciences
thesis.degree.grantorRice University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science
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