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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

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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
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:
DateEvent
5 January 2015Published
18 November 2014Available
13 November 2014Accepted
15 October 2014Submitted
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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