Searches for CP violation in charmed meson decays : a study of D+ --> K - K+ [pi]+ at the LHCb experiment /

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Bibliographic Details
Author / Creator:Gordon, Hamish, author.
Imprint:Cham : Springer, 2014.
Description:1 online resource (xv, 158 pages) : illustrations (some color).
Language:English
Series:Springer theses, 2190-5053
Springer theses,
Subject:
Format: E-Resource Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/11085851
Hidden Bibliographic Details
ISBN:9783319070674
3319070673
3319070665
9783319070667
9783319070667
Notes:"Springer thesis accepted by the University of Oxford, UK."
Includes bibliographical references.
Online resource; title from PDF title page (SpringerLink, viewed June 18, 2014).
Summary:Our current understanding of the fundamental building blocks of the Universe, summarised by the Standard Model of particle physics, is incomplete. For example, it fails to explain why we do not see equal, or almost equal, numbers of particles and their antiparticle partners. To explain this asymmetry requires, among other effects, a mechanism known as charge-parity (CP) violation that causes differences between the rates at which particles and antiparticles decay. CP violation is seen in systems containing bottom and strange quarks, but not in those with up, charm or top quarks. This thesis describes searches for particle-antiparticle asymmetries in the decay rates of charmed mesons. No evidence of CP violation is found. With current sensitivities, an asymmetry large enough to observe probably could not be explained by the Standard Model. Instead an explanation could come from new physics, for example contributions from supersymmetric or other undiscovered heavy particles. In the thesis, the development of new techniques to search for these asymmetries is described. They are applied to data from the LHCb experiment at CERN to make precise measurements of asymmetries in the D^+->K^-K^+pi^+ decay channel. This is the most promising charged D decay for CP violation searches.
Other form:Printed edition: 9783319070667
Standard no.:10.1007/978-3-319-07067-4

MARC

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505 0 |a Theoretical Background -- The LHCb Detector -- Search for CP Violation in D^+->K^-K^+pi^ Decays with Data Collected at LHCb in 2010 -- Search for CP Violation in D+! + Decays with Data Collected at LHCb in 2011 -- Conclusions and Outlook -- Appendix. 
520 |a Our current understanding of the fundamental building blocks of the Universe, summarised by the Standard Model of particle physics, is incomplete. For example, it fails to explain why we do not see equal, or almost equal, numbers of particles and their antiparticle partners. To explain this asymmetry requires, among other effects, a mechanism known as charge-parity (CP) violation that causes differences between the rates at which particles and antiparticles decay. CP violation is seen in systems containing bottom and strange quarks, but not in those with up, charm or top quarks. This thesis describes searches for particle-antiparticle asymmetries in the decay rates of charmed mesons. No evidence of CP violation is found. With current sensitivities, an asymmetry large enough to observe probably could not be explained by the Standard Model. Instead an explanation could come from new physics, for example contributions from supersymmetric or other undiscovered heavy particles. In the thesis, the development of new techniques to search for these asymmetries is described. They are applied to data from the LHCb experiment at CERN to make precise measurements of asymmetries in the D^+->K^-K^+pi^+ decay channel. This is the most promising charged D decay for CP violation searches. 
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