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Effect of direct CP violation in charm on gamma extraction from B+-→DK+-, D→KS0π+π- Dalitz plot analysis
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Bondar, A. (Alexander), Dolgov, A. D. (Aleksandr Dmitrievich), Poluektov, Anton and Vorobiev, Vitaly (2013) Effect of direct CP violation in charm on gamma extraction from B+-→DK+-, D→KS0π+π- Dalitz plot analysis. The European Physical Journal C, Volume 73 (Number 6). Article number 2476. doi:10.1140/epjc/s10052-013-2476-9 ISSN 1434-6044.
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Official URL: http://dx.doi.org/10.1140/epjc/s10052-013-2476-9
Abstract
A possible effect of direct CP violation in D -> K-S(0)pi(+)pi(-) decay on the gamma measurement from B-+/- -> DK +/-, D -> K-S(0)pi(+)pi(-) Dalitz plot analysis is considered. Systematic uncertainty of gamma coming from the current limits on direct CP violation in D -> K-S(0)pi(+)pi(-) is estimated, and a modified model-independent procedure of B-+/- -> DK +/-, D -> K-S(0)pi(+)pi(-) Dalitz plot analysis is proposed that gives an unbiased gamma measurement even in presence of direct CP violation in charm decays. The technique is applicable to other threebody D decays such as D-0 -> (KSK+K-)-K-0, D-0 -> pi(+)pi(-)pi(0), etc.
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): | B mesons -- Decay, CP violation (Nuclear physics) | ||||||
Journal or Publication Title: | The European Physical Journal C | ||||||
Publisher: | Springer | ||||||
ISSN: | 1434-6044 | ||||||
Official Date: | 19 June 2013 | ||||||
Dates: |
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Volume: | Volume 73 | ||||||
Number: | Number 6 | ||||||
Number of Pages: | 6 | ||||||
Article Number: | Article number 2476 | ||||||
DOI: | 10.1140/epjc/s10052-013-2476-9 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 26 December 2015 | ||||||
Date of first compliant Open Access: | 26 December 2015 | ||||||
Funder: | Russia (Federation), Science and Technology Facilities Council (Great Britain) (STFC) | ||||||
Grant number: | 11.G34.31.0047 (Russia) |
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