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Abstract
A search for CP violation using T-odd correlations is performed using the four-body D0 → K+K−π+π− decay, selected from semileptonic B decays. The data sample corresponds to integrated luminosities of 1.0 fb−1 and 2.0 fb−1 recorded at the centre-of-mass energies of 7 TeV and 8 TeV, respectively. The CP -violating asymmetry aCPT ‐ odd is measured to be (0.18 ± 0.29 (stat) ± 0.04 (syst))%. Searches for CP violation in different regions of phase space of the four-body decay, and as a function of the D0 decay time, are also presented. No significant deviation from the CP conservation hypothesis is found
Original language | English |
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Article number | 5 |
Number of pages | 21 |
Journal | Journal of High Energy Physics |
Volume | 1410 |
Issue number | 5 |
Early online date | 1 Oct 2014 |
DOIs | |
Publication status | Published - Oct 2014 |
Keywords
- CP violation
- Charm physics
- Hadron-Hadron Scattering
- Flavor physics
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- 2 Finished
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GridPP Hardware Allocation 2013
Flaecher, H. U. (Principal Investigator)
1/01/14 → 1/04/14
Project: Research
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Consolidated Grant 2012-16
Newbold, D. M. (Principal Investigator) & Rademacker, J. H. (Researcher)
1/10/12 → 1/10/16
Project: Research