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Measurement of the CKM angle γ from a combination of LHCb results
- The LHCb collaboration;
- Aaij, R;
- Adeva, B;
- Adinolfi, M;
- Ajaltouni, Z;
- Akar, S;
- Albrecht, J;
- Alessio, F;
- Alexander, M;
- Ali, S;
- Alkhazov, G;
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- Amato, S;
- Amerio, S;
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- Andreassi, G;
- Andreotti, M;
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- d’Argent, P;
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- Artuso, M;
- Aslanides, E;
- Auriemma, G;
- Baalouch, M;
- Babuschkin, I;
- Bachmann, S;
- Back, JJ;
- Badalov, A;
- Baesso, C;
- Baker, S;
- Baldini, W;
- Barlow, RJ;
- Barschel, C;
- Barsuk, S;
- Barter, W;
- Baszczyk, M;
- Batozskaya, V;
- Batsukh, B;
- Battista, V;
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- Bellee, V;
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- Bifani, S;
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Published Web Location
http://doi.org/10.1007/JHEP12(2016)087No data is associated with this publication.
Abstract
A combination of measurements sensitive to the CKM angle γ from LHCb is performed. The inputs are from analyses of time-integrated B+ → DK+, B0 → DK∗0, B0 → DK+π− and B+ → DK+π+π− tree-level decays. In addition, results from a time-dependent analysis of Bs0 → Ds∓K± decays are included. The combination yields γ = (72. 2− 7.3+ 6.8)°, where the uncertainty includes systematic effects. The 95.5% confidence level interval is determined to be γ ∈ [55.9, 85.2]°. A second combination is investigated, also including measurements from B+ → Dπ+ and B+ → Dπ+π−π+ decays, which yields compatible results.
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