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55356 |
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|a Zhao, M.
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Laboratory for Nuclear Science
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|a Fisher, Peter H.
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|a Zhao, M.
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|a Yamamoto, R. K.
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|a Taylor, Frank E.
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|a Spitznagel, M.
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|a Sciolla, Gabriella
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|a Dujmic, Denis
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|a Cowan, Ray Franklin
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|a Koeneke, Karsten
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|a Fisher, Peter H.
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|a Yamamoto, R. K.
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|a Taylor, Frank E.
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|a Spitznagel, M.
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|a Sciolla, Gabriella
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|a Dujmic, Denis
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|a Cowan, Ray Franklin
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|a Koeneke, Karsten
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|a Fisher, Peter H.
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|a Branching fractions and CP-violating asymmetries in radiative B decays to eta K gamma
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|a Branching fractions and CP-violating asymmetries in radiative B decays to ηKγ
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|b American Physical Society,
|c 2010-05-28T20:20:37Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/55356
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|a We present measurements of the CP-violation parameters S and C for the radiative decay B0-->etaKS0gamma; for B-->etaKgamma we also measure the branching fractions and for B+-->etaK+gamma the time-integrated charge asymmetry Ach. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 465×106 BB[over-bar] pairs produced in e+e- annihilation. The results are S=-0.18[subscript -0.46][superscript +0.49]±0.12, C=-0.32[superscript -0.39][superscript +0.40]±0.07, B(B0-->etaK0gamma)=(7.1[subscript -2.0][superscript +2.1]±0.4)×10[superscript -6], B(B+-->etaK+gamma)=(7.7±1.0±0.4)×10[superscript -6], and A[subscript ch]=(-9.0[subscript -9.8][superscript +10.4]±1.4)×10[superscript -2]. The first error quoted is statistical and the second systematic.
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|a Science and Technology Facilities Council, United Kingdom
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|a MEC (Spain)
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|a Ministry of Education and Science of the Russian Federation
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|a Norges forskningsråd
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|a FOM of the Netherlands
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|a Istituto Nazionale di Fisica Nucleare of Italy
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|a Deutsche Forschungsgemeinschaft
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|a Bundesministerium für Bildung und Forschung, Germany
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|a Institut National de Physique Nucleaire et Physique des Particules/CNRS
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|a Commissariat à l'Energie Atomique (France)
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|a Natural Sciences and Engineering Research Council of Canada
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|a National Science Foundation
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|a United States Department of Energy
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|a en_US
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|a Article
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|t Physical Review D
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