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116669 |
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|a Counts, Ian Thomas Hunt
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|a Massachusetts Institute of Technology. Department of Physics
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|a Counts, Ian Thomas Hunt
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|a Ilten, Philip J
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|a Williams, Michael
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|a Ilten, Philip J
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|a Williams, Michael
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|a Measurement of the CP-Violating Phase ϕ[subscript s] in [bar over B][superscript 0][subscript s] → D[superscript +][subscript s] D[superscript −][subscript s]
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|b American Physical Society (APS),
|c 2018-06-27T19:13:11Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/116669
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|a We present a measurement of the CP-violating weak mixing phase φs using the decay [bar over B][superscript 0][subscript s] → D[superscript +][subscript s]D[superscript -][subscript s] in a data sample corresponding to 3.0fb[superscript -1] of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies of 7 and 8 TeV. An analysis of the time evolution of the system, which does not use the constraint |λ|=1 to allow for the presence of CP violation in decay, yields φs=0.02±0.17(stat)±0.02(syst)rad, |λ|=0.91-0.15+0.18(stat)±0.02(syst). This result is consistent with the standard model expectation.
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|a National Science Foundation (U.S.)
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|a Article
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|t Physical Review Letters
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