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A method of measuring cos(2 beta) using a time-dependent dalitz plot analysis of B-0 -> D-CP π+π-

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Latham, Thomas and Gershon, T. J. (2009) A method of measuring cos(2 beta) using a time-dependent dalitz plot analysis of B-0 -> D-CP π+π-. Journal of Physics G-Nuclear and Particle Physics, Vol.36 (No.2). 025006. doi:10.1088/0954-3899/36/2/025006

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Official URL: http://dx.doi.org/10.1088/0954-3899/36/2/025006

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Abstract

We present a feasibility study of a previously outlined method for measuring both the sine and the cosine of twice the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle angle beta using a time-dependent Dalitz plot analysis of B-0 -> D pi(+)pi(-) decays, where the neutral D meson is reconstructed in decays to CP eigenstates. We show that this method can be used at the B factories to make a measurement of cos(2 beta) that is competitive with, or more precise than, other techniques using different quark-level transitions, while sin(2 beta) can be measured to a better precision than any existing measurement using b -> c (u) over bard transitions. Furthermore, this technique has great potential to be employed at LHCb.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Beta decay, Particles (Nuclear physics) -- Flavor
Journal or Publication Title: Journal of Physics G-Nuclear and Particle Physics
Publisher: IOP Publishing
ISSN: 0954-3899
Official Date: February 2009
Dates:
DateEvent
February 2009Published
Date of first compliant deposit: 13 December 2015
Volume: Vol.36
Number: No.2
Number of Pages: 14
Page Range: 025006
DOI: 10.1088/0954-3899/36/2/025006
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Science and Technology Facilities Council (Great Britain) (STFC)

Data sourced from Thomson Reuters' Web of Knowledge

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