Measurement of the inclusive B-lifetime using J/y's [J/Psi's] at the CDF-Experiment

Measurement of the inclusive B-lifetime using J/y's [J/Psi's] at the CDF-Experiment
Title Measurement of the inclusive B-lifetime using J/y's [J/Psi's] at the CDF-Experiment PDF eBook
Author Hans-Joachim Wenzel
Publisher
Pages 126
Release 1993
Genre
ISBN

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Measurement of the Inclusive B-lifetime Using J/{psi}'s at the CDF-experiment

Measurement of the Inclusive B-lifetime Using J/{psi}'s at the CDF-experiment
Title Measurement of the Inclusive B-lifetime Using J/{psi}'s at the CDF-experiment PDF eBook
Author
Publisher
Pages 0
Release 1993
Genre
ISBN

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Measurement of the Inclusive B-Lifetime Using $\rm {J/\psi}$'s at the CDF Experiment

Measurement of the Inclusive B-Lifetime Using $\rm {J/\psi}$'s at the CDF Experiment
Title Measurement of the Inclusive B-Lifetime Using $\rm {J/\psi}$'s at the CDF Experiment PDF eBook
Author
Publisher
Pages 131
Release 1993
Genre
ISBN

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B Lifetimes at CDF.

B Lifetimes at CDF.
Title B Lifetimes at CDF. PDF eBook
Author
Publisher
Pages
Release 2005
Genre
ISBN

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Measurements of the average b-hadron lifetime using inclusive B [yields] J/[psi]X events, the individual B[sub u] and B[sub d] lifetimes and their ratio using exclusive B [yields] [psi]K events, and the B[sub s] lifetime using semileptonic B[sub s] lifetime using semileptonic B[sub s] [yields] l[nu]D[sub 3]X events are presented. The results were obtained from a 21.3 pb[sup [minus]1] sample of [radical]s = 1.8 TeV [bar p]p collisions collected in 1992--93 at the Fermilab Tevatron collider and required the precise position measurements of the recently installed CDF silicon vertex detector.

High Energy Physics Index

High Energy Physics Index
Title High Energy Physics Index PDF eBook
Author
Publisher
Pages 660
Release 1994
Genre Particles (Nuclear physics)
ISBN

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Measurement of the B[sup+] and B[sup 0] Lifetimes at CDF.

Measurement of the B[sup+] and B[sup 0] Lifetimes at CDF.
Title Measurement of the B[sup+] and B[sup 0] Lifetimes at CDF. PDF eBook
Author
Publisher
Pages
Release 2001
Genre
ISBN

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Two measurements of the lifetime of neutral and charged B mesons in p[bar p] collisions at[radical]s= 1.8 TeV by the CDF experiment are presented. The first relies on the study of exclusive decays of the type B[yields][psi] K, the second on semileptonic decays of a B meson into a D[degrees] or a D. The combined results are[tau](B[sup+])= 1.62[+-] 0.09 ps, [tau](B[sub 0])= 1.60[+-] 0.09 ps and[tau](B[sup+])/[tau](B[sup 0])= 1.00[+-] 0.07.

Measurement of the Lifetime Difference and Cp-violating Phase in B_s -] J/psi Phi Decays

Measurement of the Lifetime Difference and Cp-violating Phase in B_s -] J/psi Phi Decays
Title Measurement of the Lifetime Difference and Cp-violating Phase in B_s -] J/psi Phi Decays PDF eBook
Author
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Pages 146
Release 2007
Genre
ISBN

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Over the past decades the current theoretical description, the Standard Model of elementary particle physics, was solidified by many measurements as the basic theory describing fundamental particles and their interactions. It is extremely successful in explaining the high-precision data collected by experiments so far. The Standard Model includes several intrinsic parameters which have to be measured in experiments. Independent analyses of different physical processes can constrain those parameters. By combining those measurements physicists might be sensitive to physics beyond the Standard Model. If they are inconsistent it allows to get a hint on the theory that might supersede the Standard Model. The goal of the analysis presented in this thesis is to measure some of these parameters in the B{sub s} meson system. The B{sub s} meson, consisting of an anti-b and s quark, is not a pure mass eigenstate, thus allowing a B{sub s} meson to oscillate into its antiparticle via weak interacting processes. This is a general feature of any neutral meson. The history of meson mixing measurements is more then 50 years old. It was first observed in the kaon system. The oscillation in the B{sub d} system was measured very precisely by the B factories, whereas the oscillation frequency of the B{sub s} was measured with more than 5[sigma] significance last year by CDF and first evidence for mixing in the D0 system was presented only this year.