Mixing and CP-violation studies in charm decays at LHCb

Charles, M.

doi:10.22323/1.134.0163

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Cp Violation1

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2012

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“…15 Through 2010, all measured CP asymmetries in D decays were consistent with zero within experimental errors. 15,19 In 2011, the LHCb Collaboration presented evidence for direct CP V by measuring the difference in time-integrated CP asymmetries between two singly Cabibbo suppressed D decay modes: 28 In this difference, the mode-independent indirect contribution cancels. A new standard model calculation 29 of this difference, while uncertain to a factor of a few, may accommodate this intriguingly large experimental result.…”

Section: Cp Violationmentioning

confidence: 99%

Charm Meson Mixing: An Experimental Review

Chavez

Cowan²,

Lockman

2012

Int. J. Mod. Phys. A

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We review current experimental results on charm mixing and CP violation. We survey experimental techniques, including time-dependent, time-independent, and quantumcorrelated measurements. We review techniques that use a slow pion tag from D * + → π + D 0 + c.c. decays and those that do not, and cover two-body and multi-body D 0 decay modes. We provide a summary of D-mixing results to date and comment on future experimental prospects at the LHC and other new or planned facilities.

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Section: Cp Violationmentioning

confidence: 99%