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First determination of the CP content of D → ∏+∏−∏0 and D → K +K −∏0
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Nayak, M., Libby, J. (James), Malde, Sneha, Thomas, C. (Christopher), Wilkinson, G. (Guy), Briere, R. A. (Roy A.), Naik, P. (Paras), Gershon, T. J. and Bonvicini, G. (Giovanni) (2015) First determination of the CP content of D → ∏+∏−∏0 and D → K +K −∏0. Physics Letters B, Volume 740 . pp. 1-7. doi:10.1016/j.physletb.2014.11.022 ISSN 0370-2693.
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Official URL: http://dx.doi.org/10.1016/j.physletb.2014.11.022
Abstract
Quantum-correlated View the MathML source decays collected by the CLEO-c experiment are used to perform first measurements of F+, the fractional CP -even content of the self-conjugate decays D→∏+∏−∏0 and D→K+K−∏0. Values of 0.968±0.017±0.006 and 0.731±0.058±0.021 are obtained for ∏+∏−∏0 and K+K−∏0, respectively. It is demonstrated how modes of this sort can be cleanly included in measurements of the unitarity triangle angle γ using B∓→DK∓ decays. The high CP -even content of D→∏+∏−∏0, in particular, makes this a promising mode for improving the precision on γ.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QC Physics | ||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
| Library of Congress Subject Headings (LCSH): | Quarks | ||||||||||
| Journal or Publication Title: | Physics Letters B | ||||||||||
| Publisher: | Elsevier Science | ||||||||||
| ISSN: | 0370-2693 | ||||||||||
| Official Date: | 5 January 2015 | ||||||||||
| Dates: |
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| Volume: | Volume 740 | ||||||||||
| Number of Pages: | 7 | ||||||||||
| Page Range: | pp. 1-7 | ||||||||||
| DOI: | 10.1016/j.physletb.2014.11.022 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
| Date of first compliant deposit: | 28 December 2015 | ||||||||||
| Date of first compliant Open Access: | 28 December 2015 | ||||||||||
| Funder: | Science and Technology Facilities Council (Great Britain) (STFC) |
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