About: Measurement of the Direct CP-violating Charge Asymmetry in D-s(+/-) -> Phi pi(+/-) Decays     Goto   Sponge   Distinct   Permalink

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  • We present a measurement of the direct CP-violating charge asymmetry in D-s(+) -> phi pi(+/-) decays where the phi meson decays to K+ K-, using the full Run II data set with an integrated luminosity of 10.4 fb(-1) of proton- antiproton collisions collected using the D0 detector at the Fermilab Tevatron Collider. The normalized difference A(CP) in the yield of D-s(+) and D-s(-) mesons in these decays is measured by fitting the difference between their reconstructed invariant mass distributions. This results in an asymmetry of A(CP) = [-0.38 +/- 0.27]%, which is the most precise measurement of this quantity to date. The result is consistent with the standard model prediction of zero CP asymmetry in this decay.
  • We present a measurement of the direct CP-violating charge asymmetry in D-s(+) -> phi pi(+/-) decays where the phi meson decays to K+ K-, using the full Run II data set with an integrated luminosity of 10.4 fb(-1) of proton- antiproton collisions collected using the D0 detector at the Fermilab Tevatron Collider. The normalized difference A(CP) in the yield of D-s(+) and D-s(-) mesons in these decays is measured by fitting the difference between their reconstructed invariant mass distributions. This results in an asymmetry of A(CP) = [-0.38 +/- 0.27]%, which is the most precise measurement of this quantity to date. The result is consistent with the standard model prediction of zero CP asymmetry in this decay. (en)
Title
  • Measurement of the Direct CP-violating Charge Asymmetry in D-s(+/-) -> Phi pi(+/-) Decays
  • Measurement of the Direct CP-violating Charge Asymmetry in D-s(+/-) -> Phi pi(+/-) Decays (en)
skos:prefLabel
  • Measurement of the Direct CP-violating Charge Asymmetry in D-s(+/-) -> Phi pi(+/-) Decays
  • Measurement of the Direct CP-violating Charge Asymmetry in D-s(+/-) -> Phi pi(+/-) Decays (en)
skos:notation
  • RIV/68407700:21340/14:00223123!RIV15-MSM-21340___
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  • 27868
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  • RIV/68407700:21340/14:00223123
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  • Physical Review Letters
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  • 112
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  • Abazov, V. M.
  • Abbott, B.
  • Acharya, B. S.
  • Augsten, Kamil
  • Vokáč, Petr
  • Šimák, Vladislav
  • Hubáček, Zdeněk
  • Hynek, Vlastislav
  • Adams, M.
  • Adams, T.
http://linked.open...ain/vavai/riv/wos
  • 000333163200003
issn
  • 0031-9007
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  • 10.1103/PhysRevLett.112.111804
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  • 21340
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