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Determination Of The B S Lifetime Using Hadronic Decays
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Book Synopsis Determination of the B_s Lifetime Using Hadronic Decays by :
Download or read book Determination of the B_s Lifetime Using Hadronic Decays written by and published by . This book was released on 2008 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a measurement of the B{sub s}° meson lifetime using fully and partially reconstructed hadronic decays B{sub s}° → D{sub s}− [pi]+(X) followed by D{sub s}− → [phi][pi]−. The data sample was recorded with the CDF II detector at the Fermilab Tevatron and corresponds to an integrated luminosity of 1.3 fb−1 from p{bar p} collisions at √s = 1.96 TeV.
Book Synopsis Measurement of #gL#ub Production and Lifetime in Z#o0 Hadronic Decays by : DELPHI
Download or read book Measurement of #gL#ub Production and Lifetime in Z#o0 Hadronic Decays written by DELPHI and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Legende obrazowa o Świetéj Jadwidge by :
Download or read book Legende obrazowa o Świetéj Jadwidge written by and published by . This book was released on 1880 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Vertexing and Lifetime Triggers and a Study of Bs Mixing Using Hadronic Decays at D Omega by :
Download or read book Development of Vertexing and Lifetime Triggers and a Study of Bs Mixing Using Hadronic Decays at D Omega written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fermilab Meeting (Dpf 92), The - Proceedings Of The 7th Meeting Of The Aps Division Of Particles And Fields (In 2 Volumes) by : C H Albright
Download or read book Fermilab Meeting (Dpf 92), The - Proceedings Of The 7th Meeting Of The Aps Division Of Particles And Fields (In 2 Volumes) written by C H Albright and published by World Scientific. This book was released on 1993-06-01 with total page 1955 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings cover the latest results in Tevatron Collider Physics, LEP results, and results from other High Energy Physics Laboratories. The volume will consist of plenary and parallel contributions on the following subjects: Heavy Quark Physics, Physics Beyond the Standard Model, Astrophysics and Non-Accelerator Physics.
Book Synopsis Development of Vertexing and Lifetime Triggers and a Study of Bs Mixing Using Hadronic Decays at by :
Download or read book Development of Vertexing and Lifetime Triggers and a Study of Bs Mixing Using Hadronic Decays at written by and published by . This book was released on 2005 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: The D0 detector underwent a major upgrade to maximize its ability to fully exploit Run II at the Fermilab Tevatron, the world's highest energy collider. The upgrade included a completely new central tracking system with an outer scintillating fiber tracker and an inner silicon vertex detector all within a 2T superconducting solenoid. This thesis describes the development of high level trigger algorithms including vertexing, impact parameter significance and invariant mass, that utilize tracks from these detectors. One of the main physics goals of Run II is the observation of Bs oscillations. This measurement, which cannot be performed at the B factories, will significantly constrain the ''unitarity triangle'' associated with Cp violation and so probe the Standard Model of particle physics. Furthermore this is an interesting measurement as the study of mixing in meson systems has a long history for revealing new physics. The second part of this thesis presents a study of the hadronic decay Bs → Ds?. This important mode provides the best proper time resolution for Bs mixing and is reconstructed for the first time at D0. Projections on the sensitivity to Bs oscillations are then presented.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-05 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lifetime Measurements with Exclusively Reconstructed B Decays by :
Download or read book Lifetime Measurements with Exclusively Reconstructed B Decays written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Data collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC are used to measure the lifetimes of the B[sup 0] and B[sup+] mesons. The data sample consists of 8.3 fb[sup -1] collected near the[Upsilon](4S) resonance. B[sup 0] and B[sup+] mesons are fully reconstructed in several exclusive hadronic decay modes to charm and charmonium final states. The B lifetimes are determined from the flight length difference between the two B mesons.
Book Synopsis Measurement of the B/s0 Lifetime in B/s0 --] K+ K- Decays by :
Download or read book Measurement of the B/s0 Lifetime in B/s0 --] K+ K- Decays written by and published by . This book was released on 2009 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method is presented to simultaneously separate the contributions to a sample of B{sub (s)}° 2!hh{sup {prime}-} decays, where h = [pi] or K, and measure the B meson lifetimes in the sample while correcting for the bias in the lifetime distributions due to the hadronic trigger at the CDF experiment. Using 1 fb−1 of data collected at CDF the B° lifetime is measured as [tau]{sub B°} = 1.558{sub -0.047}{sup +0.050}{sub stat} ± 0.028{sub syst} ps, in agreement with the world average measurement. The B{sub s}° lifetime in the B{sub s}° 2!KK− decay is measured as [tau]{sub B{sub s}° 2!K+K−} = 1.51{sub -0.11}{sup +0.13}{sub stat} ± 0.04{sub syst} ps. No difference is observed between the lifetime and other measurements of the average B{sub s}° lifetime or the lifetime of the light B{sub s}° mass eigenstate determined from B{sub s}° 2!J/[psi][phi] decays. With the assumptions that B{sub s}° 2!K+K− is 100% CP-even and that [tau]{sub B{sub s}°} = [tau]{sub B°} the width difference in the B{sub s}{sup 0} system is determined as [Delta][Lambda]{sup CP}/[Lambda] = 0.03{sub -0.15}{sup +0.17}{sub stat} ± 0.05{sub syst} using the current world average B{sup 0} lifetime. This is consistent with zero and with the current world average measurement.
Book Synopsis Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) by : Zygmunt Ajduk
Download or read book Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) written by Zygmunt Ajduk and published by World Scientific. This book was released on 1997-04-11 with total page 1878 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 28th conference from the Rochester series was the major high energy physics conference in 1996. Volume one contains short reports on new theoretical and experimental results. Volume two consists of the review talks presented in the plenary sessions.
Book Synopsis Multiparticle Dynamics - Proceedings Of The Xxiii International Symposium by : M M Block
Download or read book Multiparticle Dynamics - Proceedings Of The Xxiii International Symposium written by M M Block and published by World Scientific. This book was released on 1994-04-26 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: This international meeting on ultrahigh energy multiparticle phenomena started with a summary of neutrino physics, followed by a detailed review of LEP results. It moved on to the fast-breaking field of rapidity gaps, hard pomeron and small-x structure functions at both Hera and the FermiLab Tevatron. The major collider experiments at FermiLab, and in particular, the results of the top quark search were presented in complete detail. The fields of intermittency, multiplicities, correlation functions, heavy quarks, soft and semihard hadronic physics, and the particle physics aspects of cosmic rays were subjects of spirited debate.
Book Synopsis A Precision Measurement of the B[subscript S] Lifetime in Pp̄ Collisions at [square Root]s by : Amanda Jean Deisher
Download or read book A Precision Measurement of the B[subscript S] Lifetime in Pp̄ Collisions at [square Root]s written by Amanda Jean Deisher and published by . This book was released on 2008 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Average B Hadron Lifetime and B Fraction in Multihadronic Decays of the Z[superior 0] at OPAL by : Jonathan Paul Walker
Download or read book A Measurement of the Average B Hadron Lifetime and B Fraction in Multihadronic Decays of the Z[superior 0] at OPAL written by Jonathan Paul Walker and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the $B^-$ Lifetime Using a Simulation Free Approach for Trigger Bias Correction by :
Download or read book Measurement of the $B^-$ Lifetime Using a Simulation Free Approach for Trigger Bias Correction written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The collection of a large number of B hadron decays to hadronic final states at the CDF II detector is possible due to the presence of a trigger that selects events based on track impact parameters. However, the nature of the selection requirements of the trigger introduces a large bias in the observed proper decay time distribution. A lifetime measurement must correct for this bias and the conventional approach has been to use a Monte Carlo simulation. The leading sources of systematic uncertainty in the conventional approach are due to differences between the data and the Monte Carlo simulation. In this paper they present an analytic method for bias correction without using simulation, thereby removing any uncertainty between data and simulation. This method is presented in the form of a measurement of the lifetime of the B− using the mode B− → D°[pi]−. The B− lifetime is measured as [tau]{sub B{sup -}} = 1.663 ± 0.023 ± 0.015 ps, where the first uncertainty is statistical and the second systematic. This new method results in a smaller systematic uncertainty in comparison to methods that use simulation to correct for the trigger bias.
Book Synopsis Development of Vertexing and Lifetime Triggers and a Study of B(s) Mixing Using Hadronic Decays at by :
Download or read book Development of Vertexing and Lifetime Triggers and a Study of B(s) Mixing Using Hadronic Decays at written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract Not Provided.
Book Synopsis Measurement of the Lambda-b Baryon Lifetime in Z Decays by : Owen J. Hayes
Download or read book Measurement of the Lambda-b Baryon Lifetime in Z Decays written by Owen J. Hayes and published by . This book was released on 1999 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Lifetime Difference and Cp-violating Phase in Bs {u2192} J/?? Decays by :
Download or read book Measurement of the Lifetime Difference and Cp-violating Phase in Bs {u2192} J/?? Decays written by and published by . This book was released on 2007 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 Bs meson system. The Bs meson, consisting of an anti-b and s quark, is not a pure mass eigenstate, thus allowing a Bs 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 Bd system was measured very precisely by the B factories, whereas the oscillation frequency of the Bs was measured with more than 5? significance last year by CDF and first evidence for mixing in the D0 system was presented only this year.
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