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Measurement Of Cp Parameters In B Dpi Pi Pi0k And Study Of The X3872 In B J Psi Pi Pi K With The Babar Detector
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Book Synopsis Measurement of CP Parameters in B− -> D[pi]+[pi]-[pi]0K− and Study of the X(3872) in B ->J[psi Pi]+[pi]−K with the Babar Detector by : Frank Winklmeier
Download or read book Measurement of CP Parameters in B− -> D[pi]+[pi]-[pi]0K− and Study of the X(3872) in B ->J[psi Pi]+[pi]−K with the Babar Detector written by Frank Winklmeier and published by . This book was released on 2006 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of CP Parameters in B- --] D(pi+pi-pi0)K- and Study of the X(3872) in B --] J/psi Pi+ Pi- K with the BaBar Detector by : Frank Winklmeier
Download or read book Measurement of CP Parameters in B- --] D(pi+pi-pi0)K- and Study of the X(3872) in B --] J/psi Pi+ Pi- K with the BaBar Detector written by Frank Winklmeier and published by . This book was released on 2006 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents two analyses performed on data collected with the BABAR detector at the SLAC PEP-II e{sup +}e{sup -} asymmetric-energy B Factory. First, a Dalitz analysis is shown that performs the first measurement of CP violation parameters in the decay B{sup -} {yields} D{sub {pi}{sup +}{pi}{sup -}{pi}{sup 0}}K{sup -} using the decay rate asymmetry and D{sup 0} - {bar D}{sup 0} interference. The results can be used to further constrain the value of the CKM angle {gamma}. The second analysis studies the properties of the X(3872) in neutral and charged B {yields} J/{psi}{pi}{sup +}{pi}{sup -}K decays. Measurements of the branching ratio and mass are presented as well as the search for additional resonances at higher masses.
Book Synopsis Measurement of CP Parameters in B- --> D(pi+pi-pi0)Kand Study of the X(3872) in B --> J by : Frank Winklmeier
Download or read book Measurement of CP Parameters in B- --> D(pi+pi-pi0)Kand Study of the X(3872) in B --> J written by Frank Winklmeier and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of CP Parameters in B -] D_1hn0_1tnC_1tnP_1tn+_1tnK Decays with the BABAR Detector by : Till Moritz Karbach
Download or read book Measurement of CP Parameters in B -] D_1hn0_1tnC_1tnP_1tn+_1tnK Decays with the BABAR Detector written by Till Moritz Karbach and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Branching Fraction And Search for Direct CP-Violation in the B+- --] J/Psi Pi+- Decay Mode at BaBar by : Francesco Fobozzi
Download or read book Measurement of the Branching Fraction And Search for Direct CP-Violation in the B+- --] J/Psi Pi+- Decay Mode at BaBar written by Francesco Fobozzi and published by . This book was released on 2006 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: The phenomenon of CP-violation in weak interactions, discovered in 1964 in decays of neutral kaons, receives a simple and elegant explanation in the Standard Model with three generations of quarks. Indeed, in this model the common source of CP-asymmetry phenomena is represented by a simple complex phase in the unitary matrix (the Cabibbo-Kobayashi-Maskawa matrix) describing the charged weak couplings of the quarks. This simple scheme has never received an accurate validation, because the phenomenological parameters determined from measurements of CP-violation in kaons decays are related to the fundamental parameters of the theory in a complex way, sensitive to large theoretical uncertainties. On the contrary, decays of neutral B mesons like B{sup 0} {yields} J/{psi} K{sub S}{sup 0} represent a unique laboratory to test the predictions of the theory because they are expected to show significant CP-violation effects, the magnitude of which is cleanly related to the Standard Model parameters. Thus experimental facilities have been built with the purpose of performing extensive studies of B decays. The BABAR experiment is operating at one of these facilities, at the Stanford Linear Accelerator Center. It is collecting data at the PEP-II asymmetric e{sup +}e{sup -} collider (E{sub e{sup -}} = 9.0 GeV; E{sub e{sup +}} = 3.1 GeV), a high-luminosity accelerator machine (L = 3 x 10{sup 33} cm{sup -2}s{sup -1}). The center-of-mass energy (10.58 GeV) of the e{sup +}e{sup -} system at PEP-II allows resonant production of the {Upsilon}(4S), a b{bar b} bound state, which decays almost exclusively in a B{sup 0}{bar B}{sup 0} or a B{sup +}B{sup -} pair. A high-acceptance detector, projected and built by a wide international collaboration, detects and characterizes the decay products of the B mesons. From the analysis of the data collected during the first two years of operation, the BABAR collaboration has established CP-violation in decays of neutral B mesons at the 4.1{sigma} level. Besides the primary goal of CP-violation studies, the high luminosity of PEP-II, coupled with the high acceptance of the BABAR detector, allows competitive studies of the properties of a wide set of B decay modes. In particular, measurements of non-leptonic decays are extremely useful to understand the dynamics of the non-perturbative strong interactions involved in these processes. In this thesis a study of the non-leptonic decay mode B{sup {+-}} {yields} J/{psi}{pi}{sup {+-}} is presented.
Book Synopsis Study of CP Violation in B Mesons Using the BABAR Detector by :
Download or read book Study of CP Violation in B Mesons Using the BABAR Detector written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present results on time-dependent CP asymmetries in neutral B decays. The measurements use a data sample of about 88 million[Upsilon](4S)[yields] B[bar B] decays collected between 1999 and 2002 with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We study events in which one neutral B meson is fully reconstructed in a final state and the other B meson is determined to be either a B[sup 0] or[bar B][sup 0] from its decay products. Final states considered include B[sup 0][yields] J/[psi]K[sub S][sup 0], B[sup 0][yields] J/[psi]K[sub L][sup 0], B[sup 0][yields] J/[psi][pi][sup 0], B[sup 0][yields] D*[sup+] D*[sup -], B[sup 0][yields][phi]K[sub S][sup 0], B[sup 0][yields][pi][sup+][pi][sup -], and B[sup 0][yields][rho][sup[+-]][pi][sup[-+]].
Download or read book Deutsche Grundkarte written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of J/psi Pi+ Pi- States Produced in B0 to J/psi Pi+ Pi- K0̂ and B- to J/psi Pi+ Pi- K- by :
Download or read book Study of J/psi Pi+ Pi- States Produced in B0 to J/psi Pi+ Pi- K0̂ and B- to J/psi Pi+ Pi- K- written by and published by . This book was released on 2005 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present results of a search for the X(3872) in B° → X(3872)K{sub S}°, X(3872) → J/???−, improved measurements of B− → X(3872)K−, and a study of the J/??+?− mass region above the X(3872). We use 232 million B{bar B} pairs collected at the?(4S) resonance with the BABAR detector at the PEP-II e+e− asymmetric-energy storage rings. The results include the 90% confidence interval 1.34 x 10−6
Book Synopsis Measurement of CP Asymmetries and Branching Fractions in B to Pi Pi and B to K Pi Decays by : B. Aubert
Download or read book Measurement of CP Asymmetries and Branching Fractions in B to Pi Pi and B to K Pi Decays written by B. Aubert and published by . This book was released on 2006 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary measurements of the Cp asymmetries and branching fractions for B {yields} {pi}{pi} and B {yields} K{pi} decays. A total of 347 million B{bar B} events collected by the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC are used for these results.
Book Synopsis Search for a Charged Partner of the X(3872) in B->J/[psi Pi Plus Or Minus Pi]0K with the Babar Detector by : Frank Winklmeier
Download or read book Search for a Charged Partner of the X(3872) in B->J/[psi Pi Plus Or Minus Pi]0K with the Babar Detector written by Frank Winklmeier and published by . This book was released on 2004 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of CP-Violating Parameters in Fully Reconstructed B to D(*)+-pi-+ and B to D+-rho-+ Decays by : J. C. Chen
Download or read book Measurement of CP-Violating Parameters in Fully Reconstructed B to D(*)+-pi-+ and B to D+-rho-+ Decays written by J. C. Chen and published by . This book was released on 2005 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a preliminary measurement of the CP-violating parameters in fully reconstructed B{sup 0} {yields} D{sup (*){+-}}{pi}{sup {-+}} and B{sup 0} {yields} D{sup {+-}}{rho}{sup {-+}} decays in approximately 232 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC.
Download or read book Gautschlieder written by and published by . This book was released on 1922 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Direct CP Violation Parameters in $B\̂pm \to J/\psi K\̂pm$ and $B\̂pm \to J/\psi \pi\̂pm$ Decays with 10.4 Fb${̂-1}$ of Tevatron Data by :
Download or read book Measurement of Direct CP Violation Parameters in $B\̂pm \to J/\psi K\̂pm$ and $B\̂pm \to J/\psi \pi\̂pm$ Decays with 10.4 Fb${̂-1}$ of Tevatron Data written by and published by . This book was released on 2013 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of CP-observables with B− [right Arrow] D0K*− Decays by : Quincy Wong
Download or read book Measurement of CP-observables with B− [right Arrow] D0K*− Decays written by Quincy Wong and published by . This book was released on 2008 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Using a sample of 379 million [Upsilon](4S) [right arrow] B anti-B events collected with the BABAR detector at the PEP-II B-factory, I study decays of B− [right arrow] D0K*− where K*− [right arrow] K0s[pi]−, K0s [right arrow] [pi][pi]− and D0 decays into K[pi] and CP-eigenstates. Both CP+ (KK−, [pi][pi]−) and CP- final states (K0s[pi]0, K0s[phi], K0s[omega]) are included. Using the Gronau-London-Wyler (GLW) and Atwood Dunietz-Soni (ADS) methods, CP-observables which are sensitive to the CKM angle [gamma] are measured.
Book Synopsis SEARCH FOR CP VIOLATION IN B --] PI H DECAYS AND B --] RHO H DECAYS WITH BABAR EXPERIMENT. by : C. Yeche
Download or read book SEARCH FOR CP VIOLATION IN B --] PI H DECAYS AND B --] RHO H DECAYS WITH BABAR EXPERIMENT. written by C. Yeche and published by . This book was released on 2003 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present BABAR experiment studies to observe CP violation in the two-body decays ({pi}K and {pi}{pi}) and the quasi two-body decays ({rho}K and {rho}{pi}) of B mesons. The results are obtained from data samples of about 89(123) million {Upsilon}(4S) {yields} B{bar B} decays collected between 1999 and 2002(2003) with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC.
Book Synopsis A Study of B+/- --] J/psi Pi+/- and B+/- --] J/psi K+/- Decays by :
Download or read book A Study of B+/- --] J/psi Pi+/- and B+/- --] J/psi K+/- Decays written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have studied the B{sup ±} → J/[psi][pi]{sup ±} and B{sup ±} → J/[psi] K{sup ±} decays using a 20.7 fb−1 data set collected with the BABAR detector. We observe a signal of 51 ± 10 B{sup ±} → J/[psi][pi]{sup ±} events and determine the ratio [Beta](B{sup {+-}} → J/[psi][pi]{sup {+-}})/[Beta](B{sup {+-}} → J/[psi] K{sup {+-}}) to be [3.91 {+-} 0.78(stat.) {+-} 0.19(syst.)]%. The CP-violating charge asymmetries for the B{sup {+-}} → J/[psi] [pi]{sup {+-}} and B{sup {+-}} → J/[psi] K{sup {+-}} decays are determined to be [Alpha]{sub {pi}} = 0.01 {+-} 0.22(stat.) {+-} 0.01(syst.) and [Alpha]{sub K} = 0.003 {+-} 0.030(stat.) {+-} 0.004(syst.).
Book Synopsis Measurement of Mixing and CP Violation in the Two-Body D0 Decays to KK, Pipi and Kpi with the BaBar Experiment by :
Download or read book Measurement of Mixing and CP Violation in the Two-Body D0 Decays to KK, Pipi and Kpi with the BaBar Experiment written by and published by . This book was released on 2012 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis we present the measurement of D0 - $\bar{D}$0 mixing parameter yCP using the full BABAR data sample. We also searched for CP violation in the D0 → K+K-, [pi]+[pi]- channels, finding the parameter [Delta]Y compatible with zero. In Chapter 1, we briefly review the SM and introduce the theoretical framework of neutral meson mixing and CP violation. The BABAR detector and the performance of each sub-detector are described in Chapter 2. In Chapter 3, we present an overview of the analysis including a brief description of the previous similar BABAR analyses and the expected improvements in the present analysis. The candidate reconstruction and selection are described in Chapter 4, together with the optimization of the signal region. The signal and background event classes are described in Chapter 5, where we also provide the probability density functions used to extract the mixing and CP violating parameter. In Chapter 6 we describe the various crosschecks performed to validate the analysis and the evaluation of the systematic error. Finally in Chapter 7 we present the final results and their interpretation.
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