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The measurement of the CP-violating phase, $\phi_{s} , and the penguin contributions in $B_s^0 \rightarrow \frac{J}{\psi \varphi}$ at LHCb

Abstract : The CP-violating phase,φs, in B0SJ/ψφ, is an excellent probe for the discovery of physics beyond standard Model. LHCb has obtained the world's mostprecise value of the phase φs, which is consistent with the Standard Model, but does not exclude the presence of New Physics in φs. To detect it, the determination of the sub-dominant penguin contributions from the Standard Model becomes crucial now. We present the latest LHCb results on φs and we outline the method to measure the impact of penguin diagrams in φs.
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Conference papers
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http://hal.in2p3.fr/in2p3-00816530
Contributor : Danielle Cristofol <>
Submitted on : Monday, April 22, 2013 - 2:17:59 PM
Last modification on : Thursday, January 18, 2018 - 2:21:29 AM

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  • HAL Id : in2p3-00816530, version 1

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W. Kanso. The measurement of the CP-violating phase, $\phi_{s} , and the penguin contributions in $B_s^0 \rightarrow \frac{J}{\psi \varphi}$ at LHCb. LHC France 2013, Apr 2013, Annecy, France. ⟨in2p3-00816530⟩

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