Measurement Of The Branching Fraction Br Bos Ds Using The Do Detector At Fermilab

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Measurement Of The Branching Fraction Br Bos Ds Using The Do Detector At Fermilab

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Author : James William Walder
language : en
Publisher:
Release Date : 2008

Measurement Of The Branching Fraction Br Bos Ds Using The Do Detector At Fermilab written by James William Walder 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.

Energy Research Abstracts

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Author :
language : en
Publisher:
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.

Physics Briefs

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Author :
language : en
Publisher:
Release Date : 1994

Physics Briefs 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 Physics categories.

Measurement Of The Branching Fraction Bs Ds Ds Using The D0 Detector At Fermilab

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Author :
language : en
Publisher:
Release Date : 2009

Measurement Of The Branching Fraction Bs Ds Ds Using The D0 Detector At Fermilab written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

This thesis describes a measurement of the branching fraction Br(B°{sub s} → D{sup (*)}{sub s} D{sup (*)}{sub s}) made using a data sample collected from proton-antiproton collisions at a centre-of-mass energy of 1.96 TeV, corresponding to approximately 1.3 fb−1 of integrated luminosity collected in 2002--2006 by the D0 detector at the Fermilab Tevatron Collider. One D{sup (*)}{sub s} meson was partially reconstructed in the decay D{sub s} → [phi][mu][nu], and the other D{sup (*)}{sub s} meson was identified using the decay D{sub s} → [phi][pi] where no attempt was made to distinguish D{sub s} and D{sup *}{sub s} states. The resulting measurement is Br(B°{sub s} → D{sup (*)}{sub s} D{sup (*)}{sub s}) = 0.039{sup +0.019}{sub -0.017}(stat){sup +0.016}{sub -0.015}(syst). This was subsequently used to estimate the width difference [Delta][Gamma]{sup CP}{sub s} in the B°{sub s}-{anti B}°{sub s} system: [Delta][Gamma]{sup CP}{sub s}/[Gamma]{sub s} = 0.079{sup +0.038}{sub -0.035}(stat){sup +0.031}{sub 0.030}(syst), and is currently one of the most precise estimates of this quantity and consistent with the Standard Model.

Measurement Of The Branching Fraction Br B0s U2192 Ds Ds Using The D0 Detector At Fermilab

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Author :
language : en
Publisher:
Release Date : 2008

Measurement Of The Branching Fraction Br B0s U2192 Ds Ds Using The D0 Detector At Fermilab 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.

This thesis describes a measurement of the branching fraction Br (B0s → Ds*Ds*) made using a data sample collected from proton-antiproton collisions at a centre-of-mass energy of 1.96 TeV, corresponding to approximately 1.3 fb-1 of integrated luminosity collected in 2002--2006 by the D0 detector at the Fermilab Tevatron Collider. One D*s meson was partially reconstructed in the decay Ds → ??v, and the other D*s meson was identified using the decay Ds → ?? where no attempt was made to distinguish Ds and D*s states. The resulting measurement is Br (B0s → Ds*Ds*) = 0.039+0.019-0.017(stat) +0.016-0.015(syst). This was subsequently used to estimate the width difference ??CPs in the B0s-$ar{B}$0s system: ??CPs/?s = 0.079+0.038-0.035(stat)+0.031-0.030(syst), and is currently one of the most precise estimates of this quantity and consistent with the Standard Model.

Science Citation Index

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Author :
language : en
Publisher:
Release Date : 1992

Science Citation 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 1992 with Science categories.

Vols. for 1964- have guides and journal lists.

Measurement Of The Ratios Of Branching Fractions Neutral B Strange Decaying To Negative D Strange Pion Pion Pion Neutral B Decaying To Negative D Pion Pion Pion And Neutral B Strange Decaying To Negative D Strange Pion Neutral B Decaying To Negative D Pion With The Cdf Detector

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Author :
language : en
Publisher:
Release Date : 2007

Measurement Of The Ratios Of Branching Fractions Neutral B Strange Decaying To Negative D Strange Pion Pion Pion Neutral B Decaying To Negative D Pion Pion Pion And Neutral B Strange Decaying To Negative D Strange Pion Neutral B Decaying To Negative D Pion With The Cdf Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

We present the measurement of the ratios of branching fractions B(B ° -+ D-r +) to B(Bo -+ D--+), and B(B2 -+ OD-rr+rr - ) to B(Bo -- D-urx+r+-r- ). We analyze data taken with the CDF II detector that corresponds to an integrated luminosity of 355 pb - 1 in pp collisions at V = 1.96 TeV at the Fermilab Tevatron. Using a novel displaced track trigger we reconstruct 494 ± 28 B° -+ D;-r+ decays, 8098 + 114 BO -4 D-r + decays, 159 + 17 B° -+ D;-rr+7+rr- decays, and 3288 ± 76 Bo - D-rr++T77r- decays. Using the world average value of the B°-to-Bo production ratio fs/fd = 0.259 ± 0.038, we determine the ratios of branching fractions B(Bo -+ D-r +) -= 1.13 ± 0.08(stat.) ± 0.05(syst.) + 0.15(BR) ± 0.17(PR), B(Bo -+ D-rr+) B(Bo -+ D -rr+ r+rx- ) (= 1.01 ± 0.11(stat.) ± 0.06(syst.) ± 0.14(BR) B(Bo -+ D-7r-+r + + 0.15(PR), ri- ) where the uncertainties labeled BR and PR refer to the uncertainty on the D meson branching fractions and the production ratio fs fd, respectively.

Measurement Of The Ratios Of Branching Fractions B Bs Ds Pi Pi Pi

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Author :
language : en
Publisher:
Release Date : 2006

Measurement Of The Ratios Of Branching Fractions B Bs Ds Pi Pi Pi written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

Using 355 pb−1 of data collected by the CDF II detector in p{bar p} collisions at √s = 1.96 TeV at the Fermilab Tevatron, they study the fully reconstructed hadronic decays B{sub (s)}° → D{sub (s)}−? and B{sub (s)}° → D{sub (s)}−?+?+?−. They present the first measurement of the ratio of branching fractions?(B{sub s}° → D{sub s}−?+?+?−)/?(B° → D−?+?+?−) = 1.05 ± 0.10(stat.) ± 0.22(syst.). They also update their measurement of?(B{sub s}° → D{sub s}−?+)/?(B° → D−?+) to 1.13 ± 0.08(stat.) ± 0.23(syst.) improving the statistical uncertainty by more than a factor of two. They find?(B{sub s}° → D{sub s}−?+) = [3.8 ± 0.3(stat.) ± 1.3(syst.)] x 10−3 and?(B{sub s}° → D{sub s}−?+?+?−) = [8.4 ± 0.8(stat.) ± 3.2(syst.)] x 10−3.

Measurement Of The Ratios Of The Branching Fractions Beta B0 Sigma D Sigma Pi Pi Pi Beta B0 D Pi Pi Pi And Beta B0 Sigma D Sigma Pi Beta B0 D Pi Pi Pi With The Cdf Detector

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Author : Arkadiy Bolshov
language : en
Publisher:
Release Date : 2007

Measurement Of The Ratios Of The Branching Fractions Beta B0 Sigma D Sigma Pi Pi Pi Beta B0 D Pi Pi Pi And Beta B0 Sigma D Sigma Pi Beta B0 D Pi Pi Pi With The Cdf Detector written by Arkadiy Bolshov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

We present the measurement of the ratios of branching fractions B... to B..., and B... to B... We analyze data taken with the CDF II detector that corresponds to an integrated luminosity of 355 pb - 1 in pp collisions at ... TeV at the Fermilab Tevatron. Using a novel displaced track trigger we reconstruct 494 ± 28 B... decays, 8098 ± 114 B... decays, 159 ± 17 B... decays, and 3288 ± 76 B... decays. Using the world average value of the ... production ratio fs/fd = 0.259 ± 0.038, we determine the ratios of branching fractions ... where the uncertainties labeled BR and PR refer to the uncertainty on the D meson branching fractions and the production ratio fs/fd, respectively.

Measurement Of The Branching Fraction Ratio B D K

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Author : Paola Squillacioti
language : en
Publisher:
Release Date : 2006

Measurement Of The Branching Fraction Ratio B D K written by Paola Squillacioti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

In this thesis the author has described the first measurement performed at a hadron collider of the branching fraction of the Cabibbo-suppressed mode B{sup +} {yields} {bar D}{sup 0} K{sup +}. The analysis has been performed with 360 pb{sup -1} of data collected by the CDF II detector.