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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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Book Synopsis 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 by : Claudio Heller
Download or read book 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 published by . This book was released on 2013 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the CP Violating Phase Φs [phi S] and the Decay Width Difference ΔΓs [delta-gamma S] in the Decay BOs → J/ΨΦ [J, Psi-phi] with the ATLAS Experiment by : Claudio Heller
Download or read book Measurement of the CP Violating Phase Φs [phi S] and the Decay Width Difference ΔΓs [delta-gamma S] in the Decay BOs → J/ΨΦ [J, Psi-phi] with the ATLAS Experiment written by Claudio Heller and published by . This book was released on 2013 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the CP Violating Phase PhiS and the Decay Width Difference DeltaGammaS in the Decay B0s->J/psi Phi with the ATLAS Experiment by : Claudio Heller
Download or read book 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 published by . This book was released on 2013 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 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} by :
Download or read book 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 published by . This book was released on 2015 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the CP Violating Phase Beta_s in B_s-]J/psi Phi Decays by :
Download or read book Measurement of the CP Violating Phase Beta_s in B_s-]J/psi Phi Decays written by and published by . This book was released on 2010 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the Lifetime Difference and CP-violating Phase in B_1tns -] J/_y63_f63 [J Psi Phi] Decays by :
Download or read book Measurement of the Lifetime Difference and CP-violating Phase in B_1tns -] J/_y63_f63 [J Psi Phi] Decays written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lifetime Difference and CP Asymmetry in the Bs -] J/psi Phi Decay by :
Download or read book Lifetime Difference and CP Asymmetry in the Bs -] J/psi Phi Decay written by and published by . This book was released on 2007 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The B{sub s} meson is an interesting particle to study because a sizable mixing induced CP violation in the B{sub s} -- {bar B}{sub s} system would be an indication for physics beyond the Standard Model. In this paper we present a measurement of the lifetime difference [Delta][Gamma] between the B{sub s} mass eigenstates and the CP violating phase in the decay B{sub s} → J/[psi][phi]. In 1.7 fb−1 of data collected with the CDF II detector at the Tevatron p{bar p} collider we measure [Delta][Gamma] = 0.076{sup +0.059}{sub -0.063} (stat.) ±0.006 (syst.) ps−1, well consistent with the Standard Model prediction, and a mean B{sub s} lifetime of c{sub tau}{sub s} = 456 ± 13 (stat.) ± (syst.) [mu]m. We find no evidence for CP violation.
Book Synopsis Measurement of the CP-violating Weak Phase $\mathrm{ \phi_s }$ and the Decay Width Difference $ \Delta \Gamma_{ \mathrm{s} }$ Using the $ \mathrm{B0̂_s} \to \mathrm{J} by :
Download or read book Measurement of the CP-violating Weak Phase $\mathrm{ \phi_s }$ and the Decay Width Difference $ \Delta \Gamma_{ \mathrm{s} }$ Using the $ \mathrm{B0̂_s} \to \mathrm{J} written by and published by . This book was released on 2016 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The CP-violating weak phase ?s of the B0 s meson and the decay width difference ??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 →J/? ?(1020) → 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 ?s and ??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 ?s = -0.075 ± 0.097 (stat) ± 0.031 (syst) rad, and the decay width difference is ??s = 0.095 ± 0.013 (stat) ± 0.007 (syst) ps-1 .
Book Synopsis Measurement of the Lifetime Difference and Cp-violating Phase in B_s -] J/psi Phi Decays by :
Download or read book Measurement of the Lifetime Difference and Cp-violating Phase in B_s -] J/psi Phi 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 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.
Book Synopsis 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 by :
Download or read book 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 published by . This book was released on 2013 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of CP Violation in $B_s^0\to J/\psi \phi$ Decays Using the Full CDF Data Set by :
Download or read book Measurement of CP Violation in $B_s^0\to J/\psi \phi$ Decays Using the Full CDF Data Set written by and published by . This book was released on 2013 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Measurement of the CP-Violating Phase Beta_s in B0s -] J/Psi Phi Decays with the CDF II Detector by :
Download or read book Measurement of the CP-Violating Phase Beta_s in B0s -] J/Psi Phi Decays with the CDF II Detector written by and published by . This book was released on 2012 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a measurement of the \CP-violating parameter \betas using approximately 6500 $\BsJpsiPhi$ decays reconstructed with the CDF\, II detector in a sample of $p\bar p$ collisions at $\sqrt{s}=1.96$ TeV corresponding to 5.2 fb${̂-1}$ integrated luminosity produced by the Tevatron Collider at Fermilab. We find the \CP-violating phase to be within the range $\betas \in [0.02, 0.52] \cup [1.08, 1.55]$ at 68% confidence level where the coverage property of the quoted interval is guaranteed using a frequentist statistical analysis. This result is in agreement with the standard model expectation at the level of about one Gaussian standard deviation. We consider the inclusion of a potential $S$-wave contribution to the $\Bs\to J/\psi K+̂K-̂$ final state which is found to be negligible over the mass interval $1.009
Book Synopsis Measurement of the Lifetime Difference and CP-violating Phase in Bs → J/ψφ [J Psi Phi] Decays by : Michael Milnik
Download or read book Measurement of the Lifetime Difference and CP-violating Phase in Bs → J/ψφ [J Psi Phi] Decays written by Michael Milnik and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the CP-violating Phase Phis Using Bs->J/Psi Phi and Bs->J/Psi Pi+pi- Decays with the LHCb Experiment by : Christian Linn
Download or read book 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 published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis First Flavor-Tagged Determination of Bounds on Mixing-Induced CP Violation in B^0_s --] J/psi Phi Decays by :
Download or read book First Flavor-Tagged Determination of Bounds on Mixing-Induced CP Violation in B^0_s --] J/psi Phi Decays written by and published by . This book was released on 2007 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Letter describes the first determination 1 of bounds on the CP-violation parameter 2[beta]{sub s} using B{sub s}° decays in which the flavor of the bottom meson at production is identified. The result is based on approximately 2, 000 B{sub s}° → J/[psi][phi] decays reconstructed in a 1.35 fb−1 data sample collected with the CDFII detector using p{bar p} collisions produced at the Fermilab Tevatron. We report confidence regions in the two-dimensional space of 2[beta]{sub s} and the decay-width difference [Delta][Lambda]. Assuming the standard model predictions of 2[beta]{sub s} and [Delta][Lambda], the probability of a deviation as large as the level of the observed data is 15%, corresponding to 1.5 Gaussian standard deviations.
Book Synopsis Measurement of the CP-violating Phase Φs in the Decay Bo/s →J/ψ/φ by : Conor Thomas Fitzpatrick
Download or read book Measurement of the CP-violating Phase Φs in the Decay Bo/s →J/ψ/φ written by Conor Thomas Fitzpatrick and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the CP Violating Phase Sin2betas Using Bs - J/Psi Phi Decays at CDF by : Elisa Kay Pueschel
Download or read book Measurement of the CP Violating Phase Sin2betas Using Bs - J/Psi Phi Decays at CDF written by Elisa Kay Pueschel and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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