Observation of CP Violation in B½ ? DK½ Decays

Observation of CP Violation in B½ ? DK½ Decays - Springer Theses

2014th edition

Hardback (18 Sep 2013)

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Publisher's Synopsis

CP violation is a well-established phenomenon in particle physics, but until 2001 it was only observed in kaons. In the last decade, several matter-antimatter asymmetries have been observed in neutral B mesons in line with the expectations of the Standard Model of the weak interaction.  Direct CP violation is also expected in the decay rates of charged B+ mesons versus that of B- mesons, though the greatest effects are present in a decay that occurs just twice in 10 million decays. Such rarity requires huge samples to study and this is exactly what the LHC, and its dedicated B-physics experiment LHCb provide. This thesis presents an analysis of the first two years of LHCb data. The author describes the first observation of the rare decay, B- → DK-, D → π-K+ and the first observation of direct CP violation in this B decay. The work constitutes essential information on the experiment's measurement of a fundamental parameter of the theory and stands as a benchmark against which subsequent analyses of this type will be compared.

Book information

ISBN: 9783319010281
Publisher: Springer International Publishing
Imprint: Springer
Pub date:
Edition: 2014th edition
Language: English
Number of pages: 167
Weight: 4085g
Height: 235mm
Width: 155mm
Spine width: 15mm