Measurement Of The Cp Violating Phase F63 1tns Phi S And The Decay Width Difference D63 G63 1tns Delta Gamma S In The Decay B 1hno 1tns J Y63 F63 J Psi Phi With The Atlas Experiment
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Measurement Of The Cp Violating Phase F63 1tns Phi S And The Decay Width Difference D63 G63 1tns Delta Gamma S In The Decay B 1hno 1tns J Y63 F63 J Psi Phi With The Atlas Experiment
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Author : Claudio Heller
language : en
Publisher:
Release Date : 2013
Measurement Of The Cp Violating Phase F63 1tns Phi S And The Decay Width Difference D63 G63 1tns Delta Gamma S In The Decay B 1hno 1tns J Y63 F63 J Psi Phi With The Atlas Experiment written by Claudio Heller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Measurement Of The Cp Violating Phase S Phi S And The Decay Width Difference S Delta Gamma S In The Decay Bos J J Psi Phi With The Atlas Experiment
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Author : Claudio Heller
language : en
Publisher:
Release Date : 2013
Measurement Of The Cp Violating Phase S Phi S And The Decay Width Difference S Delta Gamma S In The Decay Bos J J Psi Phi With The Atlas Experiment written by Claudio Heller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Measurement Of The Cp Violating Phase Phis And The Decay Width Difference Deltagammas In The Decay B0s J Psi Phi With The Atlas Experiment
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Author : Claudio Heller
language : en
Publisher:
Release Date : 2013
Measurement Of The Cp Violating Phase Phis And The Decay Width Difference Deltagammas In The Decay B0s J Psi Phi With The Atlas Experiment written by Claudio Heller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Measurement Of The Cp Violating Weak Phase Mathrm Phi S And The Decay Width Difference Delta Gamma Mathrm S Using The Mathrm B 0 S To Mathrm J
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Author :
language : en
Publisher:
Release Date : 2015
Measurement Of The Cp Violating Weak Phase Mathrm Phi S And The Decay Width Difference Delta Gamma Mathrm S Using The Mathrm B 0 S To Mathrm J written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
The CP-violating weak phase [phi]s of the B0 s meson and the decay width difference [Delta][Gamma]s of the B0 s light and heavy mass eigenstates are measured with the CMS detector at the LHC using a data sample of B0 s 2!/[psi] [phi](1020) 2!æ +æ -K+K- decays. Our analysed data set corresponds to an integrated luminosity of 19.7 fb-1 collected in pp collisions at a centre-of-mass energy of 8 TeV. Additionally, a total of 49 200 reconstructed B0 s decays are used to extract the values of [phi]s and [Delta][Gamma]s by performing a time-dependent and flavourtagged angular analysis of the æ +æ -K+K- final state. The weak phase is measured to be [phi]s = -0.075 " 0.097 (stat) " 0.031 (syst) rad, and the decay width difference is [Delta][Gamma]s = 0.095 " 0.013 (stat) " 0.007 (syst) ps-1.
Measurement Of The Cp Violating Phase Phi S Using B 0 S J Psi Phi And B 0 S J Psi Pi Pi Decays With The Lhcb Experiment
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of The Cp Violating Phase Phi S Using B 0 S J Psi Phi And B 0 S J Psi Pi Pi Decays With The Lhcb Experiment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Measurement Of The Lifetime Difference And Cp Violating Phase In B 1tns J Y63 F63 J Psi Phi Decays
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Author :
language : en
Publisher:
Release Date : 2007
Measurement Of The Lifetime Difference And Cp Violating Phase In B 1tns J Y63 F63 J Psi Phi 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 2007 with categories.
Measurement Of The Cp Violating Phase Beta S In B S J Psi Phi Decays
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Author :
language : en
Publisher:
Release Date : 2010
Measurement Of The Cp Violating Phase Beta S In B S J Psi Phi 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 2010 with categories.
The CP violating phase [beta] j/[Psi][Phi]s is measured in decays of B0s → J/[Psi][Phi]. This measurement uses 5.2 fb-1 of data collected in √s = 1.96 TeV p$\bar{p}$ collisions at the Fermilab Tevatron with the CDF Run-II detector. CP violation in the Bs0-$\bar{B}$s0 system is predicted to be very small in the Standard Model. However, several theories beyond the Standard Model allow enhancements to this quantity by heavier, New Physics particles entering second order weak mixing box diagrams. Previous measurements have hinted at a deviation from the Standard Model expectation value for [beta]sJ/[Psi][Phi] with a significance of approximately 2[sigma]. The measurement described in this thesis uses the highest statistics sample available to date in the Bs0 → J/[Psi][Phi] decay channel, where J/[Psi] → [mu]+[mu]- and [Phi] → K+K-. Furthermore, it contains several improvements over previous analyses, such as enhanced signal selection, fully calibrated particle ID and flavour tagging, and the inclusion of an additional decay component in the likelihood function. The added decay component considers S-wave states of KK pairs in the Bs0 → J/[Psi] K+K- channel. The results are presented as 2-dimensional frequentist confidence regions for [beta]sJ/[Psi][Phi] and [Delta][Gamma] (the width difference between the Bs0 mass eigenstates), and as a confidence interval for [beta]sJ/[Psi][Phi] of [0.02,0.52] U [1.08, 1.55] at the 68% confidence level. The measurement of the CP violating phase obtained in this thesis is complemented by the world's most precise measurement of the lifetime [tau]s = 1.53 ± 0.025 (stat.) ± 0.012 (syst.) ps and decay width difference [Delta][Gamma] = 0.075 ± 0.035 (stat.) ± 0.01 (syst.) ps-1 of the Bs0 meson, with the assumption of no CP violation.
Measurement Of The Lifetime Difference And Cp Violating Phase In B S J Psi Phi Decays
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Author :
language : en
Publisher:
Release Date : 2007
Measurement Of The Lifetime Difference And Cp Violating Phase In B S J Psi Phi 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 2007 with categories.
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.
Measurement Of Cp Violation In B S 0 To J Psi Phi Decays Using The Full Cdf Data Set
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of Cp Violation In B S 0 To J Psi Phi Decays Using The Full Cdf Data Set written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
We report on the final measurement of the CP-violating $B_s^0$ mixing phase $\beta_s^{J/[psi][phi]}$ in √s = 1.96 TeV proton-antiproton collisions collected with the Collider Detector at the Fermilab Tevatron collider. Using a sample corresponding to 9.6 fb-1 of integrated luminosity, we fit the decay-time evolution of $B_s^0$ → J/[psi] (→ [mu]+ [mu]-) [phi] (→ K+ K−) decays in which the b-quark content at production and the CP parity of the final state are identified. The interference of decays with and without mixing renders the $B_s^0$ mixing phase observable. The phase is determined to be -0.06
Measurement Of The Cp Violating Phase Phis Using Bs J Psi Phi And Bs J Psi Pi Pi Decays With The Lhcb Experiment
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Author : Christian Linn
language : en
Publisher:
Release Date : 2013
Measurement Of The Cp Violating Phase Phis Using Bs J Psi Phi And Bs J Psi Pi Pi Decays With The Lhcb Experiment written by Christian Linn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Measurement categories.