RICH particle identification at the present and future LHCb experiment
dc.contributor.advisor
Muheim, Franz
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dc.contributor.advisor
Matin, Victoria
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dc.contributor.author
Kim, Graham Young-Min
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dc.contributor.sponsor
Science and Technology Facilities Council (STFC)
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dc.date.accessioned
2011-08-01T11:00:17Z
dc.date.available
2011-08-01T11:00:17Z
dc.date.issued
2011-06-27
dc.description.abstract
LHCb is a high-precision experiment for the study of CP violation and rare
decays in B physics. It has two Ring Imaging Cherenkov (RICH) counters
for particle identification. The RICH system uses Hybrid Photon Detectors
(HPD) for single photon detection. This thesis describes tests performed on
individual HPDs for quantum efficiency and vacuum quality. It then presents
work done monitoring HPD vacuum quality through regular ion feedback
measurements after they were mounted into the RICH. Also discussed is HPD
vacuum degradation and how replacement and repair of deteriorated HPDs was
implemented using data from the vacuum monitoring. Preparations for an
upgrade to LHCb have started. The upgrade will extend the discovery potential of
the LHCb by increasing the rate of data collection. This thesis presents particle
identification and
avour tagging studies using upgrade simulations. Flavour
tagging using kaons was then reoptimised for upgrade conditions and this work
is described with discussions of the results.
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dc.identifier.uri
http://hdl.handle.net/1842/5025
dc.language.iso
en
dc.publisher
The University of Edinburgh
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dc.relation.hasversion
R. Lambert, Y.M. Kim, et al. Quantum E ciency of LHCb RICH Pixel Hybrid Photon Detectors. LHCb-note-2008-025.
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dc.subject
LHCb
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dc.subject
RICH
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dc.subject
Ring Imaging Cherenkov
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dc.subject
upgrade
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dc.subject
Hybrid Photon Detectors
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dc.subject
HPD
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dc.title
RICH particle identification at the present and future LHCb experiment
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dc.type
Thesis or Dissertation
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dc.type.qualificationlevel
Doctoral
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dc.type.qualificationname
PhD Doctor of Philosophy
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