Observation of CP Violation in B± → DK± Decays (Springer by Paolo Gandini

By Paolo Gandini

CP violation is a well-established phenomenon in particle physics, yet until eventually 2001 it was once simply saw in kaons. within the final decade, a number of matter-antimatter asymmetries were saw in impartial B mesons based on the expectancies of the normal version of the susceptible interaction.  Direct CP violation is usually anticipated within the decay charges of charged B+ mesons as opposed to that of B- mesons, even though the best results are found in a decay that happens simply two times in 10 million decays. Such rarity calls for large samples to check and this can be precisely what the LHC, and its devoted B-physics test LHCb provide. This thesis presents an analysis of the 1st years of LHCb data. The author describes the 1st commentary of the infrequent decay, B- → DK-, D → π-K+ and the 1st commentary of direct CP violation during this B decay. The work constitutes crucial info at the experiment’s size of a primary parameter of the idea and stands as a benchmark opposed to which next analyses of this sort should be compared.

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