Investigations on the decay length method for the measurement of the top quark mass at the Atlas experiment

dc.contributor.advisor	Klingenberg, Reiner
dc.contributor.author	Walbersloh, Jörg
dc.contributor.referee	Spaan, Bernhard
dc.date.accepted	2009-09-25
dc.date.accessioned	2009-10-21T09:38:17Z
dc.date.available	2009-10-21T09:38:17Z
dc.date.issued	2009-10-21T09:38:17Z
dc.description.abstract	The precision of the determination of the top quark mass at particle collider experiments with methods which rely on jet energy measurements is limited due to the jet energy scale. This thesis presents a method that relies almost exclusively on tracking and thus has complementary uncertainties with respect to other methods. This so-called decay length method correlates the mean transverse decay length of B-Hadrons originating from top quark decays to the mass of the initial top quark. The thesis discusses the application the method for the semileptonic decay channel of tt-Events at the ATLAS detector and presents an estimate for uncertainties based on MonteCarlo simulations.	en
dc.identifier.uri	http://hdl.handle.net/2003/26461
dc.identifier.uri	http://dx.doi.org/10.17877/DE290R-154
dc.identifier.urn	urn:nbn:de:hbz:290-2003/26461-1
dc.language.iso	en
dc.subject	Top quark	en
dc.subject	ATLAS	en
dc.subject	CERN	en
dc.subject	Zerfallslänge	de
dc.subject	Teilchenphysik	de
dc.subject	LHC	de
dc.subject.ddc	530
dc.title	Investigations on the decay length method for the measurement of the top quark mass at the Atlas experiment	en
dc.type	Text
dc.type.publicationtype	doctoralThesis
dcterms.accessRights	open access

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