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Measurements Of Sin2beta At Babar With Charmonium And Penguin Decays
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Book Synopsis Measurements of Sin2beta at BaBar with Charmonium and Penguin Decays by : Katherine A. George
Download or read book Measurements of Sin2beta at BaBar with Charmonium and Penguin Decays written by Katherine A. George and published by . This book was released on 2005 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: This article summarizes measurements of time-dependent CP asymmetries in decays of neutral B mesons to charmonium, open-charm and gluonic penguin-dominated charmless final states. Unless otherwise stated, these measurements are based on a sample of approximately 230 million {Upsilon}(4S) {yields} B{bar B} decays collected by the BABAR detector at the PEP-II asymmetric-energy B-factory.
Download or read book "Henri IV" de Luigi Pirandelo written by and published by . This book was released on 1950 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Babar written by P. Grenier and published by . This book was released on 2006 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present measurements of time-dependent CP asymmetries of neutral B decays to several charm and charmonium final states. Data have been collected with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center. In the absence of penguin contribution, the Standard Model predicts the time-dependent CP asymmetry parameters S and C are to be {eta}{sub CP} sin(2{beta}) and 0, respectively.
Book Synopsis Measurement of Sin2[beta] with BaBar by :
Download or read book Measurement of Sin2[beta] with BaBar written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present updated results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates containing charmonium. In the Standard Model, the amplitude of these asymmetries is proportional to sin2[beta]. We measure sin2[beta] = 0.741 ± 0.067 (stat) ± 0.034 (syst) from a data sample of about 88 million [Lambda](4S) → B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We have also measured CP-violating asymmetries in open charm, and penguin modes sensitive to sin2[beta], which provide important consistency tests of the Standard Model.
Book Synopsis Measurements of Beta in B Decays to Charm and Charmonium at BaBar by :
Download or read book Measurements of Beta in B Decays to Charm and Charmonium at BaBar written by and published by . This book was released on 2007 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this article we will review recent BABAR measurements of Unitarity Triangle angle [beta] in B meson decays to charm and charmonium.
Download or read book Kik ind written by and published by . This book was released on 1987 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of Sin2Beta and Cos2Beta from B to CcbarsDecays at BaBar by :
Download or read book Measurements of Sin2Beta and Cos2Beta from B to CcbarsDecays at BaBar written by and published by . This book was released on 2007 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent measurements of sin2[beta] and cos2[beta] using b → c{bar c}s decays are presented using data collected by the BABAR experiment at the PEP-II asymmetric-energy B-factory.
Book Synopsis Study of Charmonium Production and Electroweak Penguins with BABAR. by :
Download or read book Study of Charmonium Production and Electroweak Penguins with BABAR. written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report measurements of charmonium resonances (J/[psi], [psi](2S), [chi][sub c1]) using about 25 fb[sup -1] of data collected by the BABAR detector around the[Upsilon](4S) resonance. We present measurements of inclusive charmonium production of charmonium in B decays and from the continuum, as well as exclusive branching ratios of B mesons into charmonium final states. We present also a measurement of the B[sup 0][yields] K[sup 0]*[gamma] branching ratio and a search for the decay B[sup 0][yields][gamma][gamma].
Book Synopsis Measurement of Sin2beta with BABAR. by : D. Wright
Download or read book Measurement of Sin2beta with BABAR. written by D. Wright and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present updated results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates containing charmonium. In the Standard Model, the amplitude of these asymmetries is proportional to sin 2{beta}. They measure sin2{beta} = 0.741 {+-} 0.067 (stat) {+-} 0.034 (syst) from a data sample of about 88 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. The authors have also measured CP-violating asymmetries in open charm, and penguin modes sensitive to sin2{beta}, which provide important consistency tests of the Standard Model.
Book Synopsis Measurement of Exclusive B Decays to Charmonium and K Or K* Branching Fractions with the BaBar Detector by :
Download or read book Measurement of Exclusive B Decays to Charmonium and K Or K* Branching Fractions with the BaBar Detector written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report preliminary results on the measurement of branching fractions of exclusive decays of neutral and charged B mesons into two-body final states containing a charmonium state and a light strange meson. The charmonium mesons considered are J/[psi], [psi](2S) and [chi][sub c1], and the light mesons are either K or K*. They use a sample of about 124 million B[bar B] events collected with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center.
Book Synopsis Measurement of Inclusive and Exclusive B Decays to Charmonium with BaBar by :
Download or read book Measurement of Inclusive and Exclusive B Decays to Charmonium with BaBar written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 8.5M BB events recorded by the BABAR detector the yield of inclusive J[psi], the branching ratios of[psi](2S) and x[sub c] are presented. Combining the charmonium state with either a K[sup+-], K[sub s][sup 0], K*[sup+-] exclusive B decays are reconstructed and their branching ratios determined. Using the fully reconstructed decays, both the B[sup 0] B[sup+-] masses and their difference is measured. Finally the contributions of CP even and odd amplitudes in the decay B[yields] J/[psi] K* are determined from an angular analysis.
Book Synopsis The First Physics Results From BaBar by :
Download or read book The First Physics Results From BaBar written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The BaBar experiment and the PEP-II accelerator at SLAC started to take data on May 26, 1999. By the time of this conference, the recorded integrated luminosity was 20 fb−1, of which 8 fb−1 were analyzed to provide a first set of physics results. This talk reviews the first measurement of sin 2[beta] and the study of B meson decays to charmonium modes and 2-body charmless decays. Complementary results were presented by the BaBar Collaboration at this conference and are reviewed in [1].
Download or read book First Physics Results at Babar written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The BABAR detector, which operates at the SLAC PEP-II asymmetric e[sup+]e[sup -] collider at energies near the[Upsilon](4S) resonance, started operation on the 26th of May 1999. They present the first study of sin2[beta], with samples of B[sup 0][yields] J/[psi] K[sub s][sup 0] and B[sup 0][yields][psi](2S) K[sub 2][sup 0] decays, using 9.0 fb[sup -1] of data recorded between January and July 2000 at the[Upsilon](4S) resonance and 0.8 fb[sup -1] recorded 40 MeV below the[Upsilon](4S) resonance. A preliminary result of sin2[beta]= 0.12[+-] 0.37(stat)[+-] 0.09(syst) was obtained. Details of the analysis are given. Moreover, they present measurements of charged and neutral B meson lifetimes and B[sup 0][bar B][sup 0] oscillation frequency.
Book Synopsis Proceedings of the 31st International Conference on High Energy Physics ICHEP 2002 by : S. Bentvelsen
Download or read book Proceedings of the 31st International Conference on High Energy Physics ICHEP 2002 written by S. Bentvelsen and published by Elsevier. This book was released on 2012-12-02 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first precision measurements on CP violation in the B system are reported. Both the BELLE and the BABAR collaboration presented, among others, results for sin 2ß with much improved accuracy. Results from the Sudbury Neutrino Observatory, SNO, also deserve to be mentioned. The convincing evidence of solar neutrino oscillations had been presented by SNO prior to the conference; a full presentation was given at the conference. An incredibly precise measurement of the anomalous magnetic moment of the muon is reported, a fresh result from the Brookhaven National Laboratory. Apart from these distinct physics highlights, there are also the first results from the new Tevatron run and from the relativistic heavy ion collider RHIC. Theorists write of our ever better understanding of the Standard Model and of what might lie beyond. Risky as it is to highlight only a couple of exciting subjects, it is merely meantto whet the appetite for further reading.
Download or read book B Decays written by Sheldon Stone and published by World Scientific. This book was released on 1994 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2nd edition is an extensive update of "B Decays?. The revisions are necessary because of the extensive amount of new data and new theoretical ideas. This book reviews what is known about b-quark decays and also looks at what can be learned in the future.The importance of this research area is increasing, as evidenced by the approval of the luminosity upgrade for CESR and the asymmetric B factories at SLAC and KEK, and the possibility of experiments at hadron colliders.The key experimental observations made thus far, measurement of the lifetimes of the different B species, B0-B0 mixing, the discovery of ?Penguin? mediated decays, and the extraction of the CKM matrix elements Vub and Vcb from semileptonic decays, as well as more mundane results, are described in great detail by the experimentalists who have been closely involved with making the measurements. Theoretical progress in understanding b-quark decays using HQET and lattice gauge techniques are described by theorists who have developed and used these techniques.Synthesizing the experimental and theoretical information, several articles discuss the implications for the ?Standard Model? and how further tests can be done using measurements of CP violation in the B system.
Book Synopsis Kaon Physics by : Jonathan L. Rosner
Download or read book Kaon Physics written by Jonathan L. Rosner and published by University of Chicago Press. This book was released on 2001-01-15 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1947, the first of what have come to be known as "strange particles" were detected. As the number and variety of these particles proliferated, physicists began to try to make sense of them. Some seemed to have masses about 900 times that of the electron, and existed in both charged and neutral varieties. These particles are now called kaons (or K mesons), and they have become the subject of some of the most exciting research in particle physics. Kaon Physics at the Turn of the Millennium presents cutting-edge papers by leading theorists and experimentalists that synthesize the current state of the field and suggest promising new directions for the future study of kaons. Topics covered include the history of kaon physics, direct CP violation in kaon decays, time reversal violation, CPT studies, theoretical aspects of kaon physics, rare kaon decays, hyperon physics, charm: CP violation and mixing, the physics of B mesons, and future opportunities for kaon physics in the twenty-first century.
Download or read book CP Violation written by Gustavo C. Branco and published by Oxford University Press. This book was released on 1999 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: The violation of charge-conjugation and parity symmetries is a leading area of research in particle and nuclear physics, with important implications for understanding the generation of matter in the universe. This book provides a self-contained introduction and is designed to bring beginning researchers to the forefront of the field.
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