FOCUS Document 813-v15

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Search for T Violation in Charm Meson Decays

Document #:
FOCUS-doc-813-v15
Document type:
Publication
Submitted by:
John Cumalat
Updated by:
John Cumalat
Document Created:
02 Apr 2005, 15:21
Contents Revised:
06 Jun 2005, 09:46
Metadata Revised:
23 Aug 2005, 14:23
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Abstract:
Using data from FOCUS (E831) experiment at Fermilab, we have searched for T-violation in charm meson decays using the four-body decay channels D^0 --> K^-K^+\pi^-\pi^+,
D^+ --> K^0K^+\pi^-\pi^+, and
D^+_S --> K^0K^+\pi^-\pi^+. We find the asymmetry values to be A_{Tviol (D^0) = 0.010 +/-0.057(stat.)+/-0.037(syst.),
A_Tviol(D^+) = 0.023 +/- 0.062(stat.) +/-0.022(syst.), and
A_Tviol(D^+_S)= 0.040 +/- 0.067(stat.) +/- 0.023(syst.). Each measurement is consistent with a zero value.
Files in Document:
  • PDF (tvio.pdf, 297.9 kB)
  • PS (tvio.ps, 456.7 kB)
  • Tex (tvio.tex, 29.2 kB)
Keywords:
T Violation
Journal References:
Published in hep-ex/0506012.
Published in Phys. Lett. B vol. 622 pg. 239.
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