Measurements Of Branching Fractions And Cp Asymmetries And Studies Of Angular Distributions For B To Phi Phi K Decays

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Measurements Of Branching Fractions And Cp Asymmetries And Studies Of Angular Distributions For B To Phi Phi K Decays

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Author :
language : en
Publisher:
Release Date : 2011

Measurements Of Branching Fractions And Cp Asymmetries And Studies Of Angular Distributions For B To Phi Phi K Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

We present branching fraction and CP asymmetry measurements as well as angular studies of B 2![phi][phi]K decays using 464 x 106 B{bar B} events collected by the BABAR experiment. The branching fractions are measured in the [phi][phi] invariant mass range below the [eta]{sub c} resonance (m{sub [phi][phi]}

Scientific And Technical Aerospace Reports

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language : en
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Release Date : 1994

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.

High Energy Physics Index

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language : en
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Release Date : 1993

High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Particles (Nuclear physics) categories.

Inis Atomindex

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language : en
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Release Date : 1988

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Energy Research Abstracts

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Release Date : 1986

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Power resources categories.

Government Reports Announcements Index

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Release Date : 1989

Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.

American Doctoral Dissertations

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Release Date : 1995

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Index To Theses With Abstracts Accepted For Higher Degrees By The Universities Of Great Britain And Ireland And The Council For National Academic Awards

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language : en
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Release Date : 1993

Index To Theses With Abstracts Accepted For Higher Degrees By The Universities Of Great Britain And Ireland And The Council For National Academic Awards written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Dissertations, Academic categories.

Measurement Of Ratios Of Branching Fractions And Cp Violating Asymmetries Of B D K Decays

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language : en
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Release Date : 2008

Measurement Of Ratios Of Branching Fractions And Cp Violating Asymmetries Of B D K Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

The authors report a study of B{sup ±} 2!D*K{sup ±} decays with D* decaying to D[pi]° or D[gamma], using 383 x 106 B{bar B} pairs collected at the [Upsilon](4S) resonance with the BABAR detector at the SLAC PEP-II B-Factory. The D meson decays under study include a non-CP mode (K{sup ±}[pi]{sup {-+}}), CP-even modes (K{sup ±}K{sup {-+}}, [pi]{sup ±}[pi]{sup {-+}}) and CP-odd modes (K{sub S}°[pi]°, K{sub S}°[phi], K{sub S}°[omega]). They measure ratios (R*{sub CP±}) of branching fractions of decays to CP eigenmode states and to flavor-specific states as well as CP asymmetries A*{sub CP±} = -0.11 ± 0.09 ± 0.01, R*{sub CP+} = 1.31 ± 0.13 ± 0.04, and A*{sub CP-} = 0.06 ± 0.10 {+-} 0.02, R*{sub CP-} = 1.10 {+-} 0.12 {+-} 0.04, where the first error is statistical and the second error is systematic. Translating the results into an alternative parameterization, widely used for related measurements, they obtain x*+ = 0.11 {+-} 0.06 {+-} 0.02 and x* = 0.00 {+-} 0.06 {+-} 0.01. No significant CP-violating charge asymmetry is found in either the flavor-specific mode D 2!K{sup {+-}}[pi]{sup {-+}} or in B{sup {+-}} 2!D*[pi]{sup {+-}} decays.

Measurements Of Branching Fractions In B 2 Phi K And B 2 Phi Pi And Search For Direct Cp Violation In B Sup 2 Phi K Sup

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language : en
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Release Date : 2003

Measurements Of Branching Fractions In B 2 Phi K And B 2 Phi Pi And Search For Direct Cp Violation In B Sup 2 Phi K Sup written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

The authors present measurements of branching fractions in the b 2!s{bar s}s penguin-dominated decays B 2![phi]K and B° 2![phi]K° in a sample of approximately 89 million B{bar B} pairs collected by the BABAR detector at the PEP-II asymmetric-energy B-meson Factory at SLAC. They determine [Beta](B+ 2![phi]K+) = (10.0{sub -0.8}{sup +0.9} ± 0.5) x 10−6 and [Beta](B° 2![phi]K°) = (8.4{sub -1.3}{sup +1.5} ± 0.5) x 10−6. Additionally, they measure the CP-violating charge asymmetry [Alpha]{sub CP}(B{sup ±} 2![phi]K{sup ±}) = 0.04 {+-} 0.09 {+-} 0.01, with a 90% confidence-level interval of [-0.10, 0.18], and set an upper limit on the CKM- and color-suppressed decay B+ 2![phi][pi]+, [Beta](B+ 2![phi][pi]+)