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A method of measuring cos(2β) using a time-dependent dalitz plot analysis ofB0→DCPπ+π−
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Latham, Thomas and Gershon, T. J. (2008) A method of measuring cos(2β) using a time-dependent dalitz plot analysis ofB0→DCPπ+π−. Journal of Physics G: Nuclear and Particle Physics, Vol. 36 (No. 2). 025006. doi:10.1088/0954-3899/36/2/025006 ISSN 0954-3899.
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Official URL: http://dx.doi.org/10.1088/0954-3899/36/2/025006
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 β using a time-dependent Dalitz plot analysis of B0 → Dπ+π− 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(2β) that is competitive with, or more precise than, other techniques using different quark-level transitions, while sin(2β) can be measured to a better precision than any existing measurement using transitions. Furthermore, this technique has great potential to be employed at LHCb.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Journal of Physics G: Nuclear and Particle Physics | ||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||
| ISSN: | 0954-3899 | ||||
| Official Date: | 2008 | ||||
| Dates: |
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| Volume: | Vol. 36 | ||||
| Number: | No. 2 | ||||
| Page Range: | 025006 | ||||
| DOI: | 10.1088/0954-3899/36/2/025006 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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