Measurement Of Branching Ratios And Cp Asymmetries For The Decays B0 Pi Pi B0 K K Pi B0 K K PDF Download
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Author | : Kolja Andreas Prothmann |
Publisher | : |
Total Pages | : 234 |
Release | : 2012 |
Genre | : |
ISBN | : |
Download Measurement of Branching Ratios and CP Asymmetries for the Decays B0 → Π+π- [pi + Pi -], B0 → K+π- [K + Pi -], B0 → K+K- Book in PDF, ePub and Kindle
Author | : Kolja Andreas Prothmann |
Publisher | : |
Total Pages | : 234 |
Release | : 2013 |
Genre | : |
ISBN | : |
Download Measurement of Branching Ratios and CP Asymmetries for the Decays B0->pi+pi- B0->K+pi- B0->K+K- Book in PDF, ePub and Kindle
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Total Pages | : |
Release | : 2003 |
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ISBN | : |
Download MEASUREMENTS OF BRANCHING FRACTIONS AND CP VIOLATING ASYMMETRIES IN B0 ---] PI+ PI-, K+ PI-, K+ K- DECAYS. Book in PDF, ePub and Kindle
We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons. The results are obtained from 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. From a time-independent fit we measure the charge-averaged branching fractions[Beta](B[sup 0][yields][pi][sup+][pi][sup -])= (4.7[+-] 0.6[+-] 0.2) x 10[sup -6] and[Beta](B[sup 0][yields] K[sup+][pi][sup -])= (17.9[+-] 0.9[+-] 0.7) x 10[sup -6], where the first uncertainty is statistical and the second is systematic; the 90% confidence level upper limit[Beta](B[sup 0][yields] K[sup+]K[sup -])
Author | : Paola Garosi |
Publisher | : |
Total Pages | : |
Release | : 2012* |
Genre | : |
ISBN | : |
Download Measurements of Branching Fraction Ratios and CP-asymmetries in Suppressed B- -> D (->[Kappa]+[pi]-) K- and B- -> D (->[Kappa]+[pi]-) [pi]- Decays Book in PDF, ePub and Kindle
Author | : |
Publisher | : ScholarlyEditions |
Total Pages | : 13957 |
Release | : 2012-01-09 |
Genre | : Science |
ISBN | : 1464963320 |
Download Issues in General Physics Research: 2011 Edition Book in PDF, ePub and Kindle
Issues in General Physics Research / 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about General Physics Research. The editors have built Issues in General Physics Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about General Physics Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in General Physics Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author | : N. Brambilla |
Publisher | : World Scientific |
Total Pages | : 551 |
Release | : 2003 |
Genre | : Science |
ISBN | : 9812704264 |
Download Quark Confinement and the Hadron Spectrum V Book in PDF, ePub and Kindle
This book provides an update on our understanding of strong interaction, with theoretical and experimental highlights included. It is divided into five sections. The first section is devoted to the investigations into and the latest results on the mechanism of quark confinement. The second and third sections focus respectively on light and heavy quarks (effective field theories, SchwingerOCoDyson approach and lattice QCD results). The fourth section deals with the deconfinement mechanism and quarkOCogluon plasma formation signals. The last section presents highlights of experiments, new physics beyond QCD, and nonperturbative approaches in other theories (strings and SUSY) that may be useful in QCD."
Author | : Paolo Gandini |
Publisher | : Springer Science & Business Media |
Total Pages | : 179 |
Release | : 2013-09-05 |
Genre | : Science |
ISBN | : 3319010298 |
Download Observation of CP Violation in B± → DK± Decays Book in PDF, ePub and Kindle
CP violation is a well-established phenomenon in particle physics, but until 2001 it was only observed in kaons. In the last decade, several matter-antimatter asymmetries have been observed in neutral B mesons in line with the expectations of the Standard Model of the weak interaction. Direct CP violation is also expected in the decay rates of charged B+ mesons versus that of B- mesons, though the greatest effects are present in a decay that occurs just twice in 10 million decays. Such rarity requires huge samples to study and this is exactly what the LHC, and its dedicated B-physics experiment LHCb provide. This thesis presents an analysis of the first two years of LHCb data. The author describes the first observation of the rare decay, B- → DK-, D → π-K+ and the first observation of direct CP violation in this B decay. The work constitutes essential information on the experiment’s measurement of a fundamental parameter of the theory and stands as a benchmark against which subsequent analyses of this type will be compared.
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Total Pages | : 27 |
Release | : 2008 |
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Download Measurement of CP Asymmetries and Branching Fractions in B0 -] Pi+ Pi-, B0 -] K+ Pi-, B0 -] Pi0 Pi0, B0 -] K0 Pi0 and Isospin Analysis of B -] Pi Pi Decays Book in PDF, ePub and Kindle
The authors present preliminary results of improved measurements of the CP-violating asymmetries and branching fractions in the decays B° →??−, B° → K+?−, B° →?°?°, and B° → K°?°. This update includes all data taken at the?(4S) resonance by the BABAR experiment at the asymmetric PEP-II B-meson factory at SLAC, corresponding to 467 ± 5 million B{bar B} pairs. They find S{sub??} = -0.68 ± 0.10 ± 0.03, C{sub??} = -0.25 ± 0.08 ± 0.02,?{sub K{sub?}} = -0.107 ± 0.016{sub -0.004}, {sup +0.006}, C{sub?°?°} = -0.43 ± 0.26 ± 0.05,?(B° →?°?°) = (1.83 ± 0.21 ± 0.13) x 10−6,?(B° → K°?°) = (10.1 ± 0.6 ± 0.4) x 10−6, where the first error is statistical and the second is systematic. They observe CP violation with a significance of 6.7? in B° → {pi}− and 6.1? in B° → K+{pi}−. Constraints on the Unitarity Triangle angle? are determined from the isospin relation between all B → {pi}{pi} rates and asymmetries.
Author | : Zygmunt Ajduk |
Publisher | : World Scientific |
Total Pages | : 1878 |
Release | : 1997-04-11 |
Genre | : |
ISBN | : 9814547107 |
Download Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) Book in PDF, ePub and Kindle
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.
Author | : B. Aubert |
Publisher | : |
Total Pages | : |
Release | : 2005 |
Genre | : |
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Download Measurements of the Branching Fraction and Time-Dependent CP Asymmetries of B0 to J/Psi Pi0 Decays Book in PDF, ePub and Kindle
The authors present measurements of the branching fraction and time-dependent CP asymmetries in B{sup 0} {yields} J/{psi} {pi}{sup 0} decays based on (231.8 {+-} 2.6) x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC during the years 1999-2004. We obtain a branching fraction {Beta}(B{sup 0} {yields} J/{psi}{pi}{sup 0}) = (1.94 {+-} 0.22 (stat) {+-} 0.17 (syst)) x 10{sup -5}. They also measure the CP asymmetry parameters C = -0.21 {+-} 0.26 (stat) {+-} 0.09 (syst) and S = -0.68 {+-} 0.30 (stat) {+-} 0.04 (syst). All results presented in this paper are preliminary.