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Recent Tevatron Results On Cp Violation
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Book Synopsis Recent Tevatron Results on CP-Violation by :
Download or read book Recent Tevatron Results on CP-Violation written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Using their full Tevatron Run II data sets, the CDF and D0 Experiments present measurements of CP -violating asymmetries in the charmless decays of bottom baryons [Lambda]0 2!p[pi]-, [Lambda]0 2!pK-, and also for B0 2!K-[pi]+, B0 2!K+[pi]-, b b s Ds 2![phi][pi]±, and for single muons and like-sign dimuons in pp collisions. Except for the like-sign dimuon asymmetry, these asymmetry measurements are consistent with available predictions of the standard model.
Book Synopsis CP Violation Studies at Tevatron by :
Download or read book CP Violation Studies at Tevatron written by and published by . This book was released on 2007 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present an overview of a few recent results related to CP-violation from the Tevatron. First, we discuss a measurement of the dimuon charge asymmetry from D{O}, that extracts the CP-violation parameter of B° mixing and decay. This is followed by the CDF measurement of the CP-violating asymmetry in B° → K?− decays. Finally we give the CDF result on the ratio R = BR(B→D0K)/BR(B→D0?).
Book Synopsis CP Violation Measurements at the Tevatron by :
Download or read book CP Violation Measurements at the Tevatron written by and published by . This book was released on 2010 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two colliding beam experiments at the Tevatron proton-antiproton collider, CDF and D0, continue to publish world-leading measurements of CP Violation parameters in the B meson sector. I will present several recent results from both experiments, including measurements of direct CP violating parameters in decays of B{sub u}, B°{sub d} and B°{sub s} mesons; a new D0 measurement of a{sup s}{sub sl} using time-dependent analysis of B{sub s} →?+?D−{sub s}X decays; and the latest Tevatron combination of the CP violating phase?{sub s}, measured in the 'golden mode' B{sub s} → J/??
Book Synopsis Results on Rare Decays and Other Cp Violation at the Tevatron by :
Download or read book Results on Rare Decays and Other Cp Violation at the Tevatron written by and published by . This book was released on 2007 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the current status of the rare decay searches of B°{sub (s)} →??−, B →?+?−h, D+ →?+?+?− and B°{sub (s)} → h+h'− at the Tevatron Collider. We also report about the latest results on CP Violation for B° and B°{sub s} decay modes into pairs of charmless charged hadrons (pions and kaons).
Book Synopsis Prospects in CP Violation Measurements at the Tevatron Collider by :
Download or read book Prospects in CP Violation Measurements at the Tevatron Collider written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fermilab Tevatron Collider is currently the most copious source of b-hadrons, thanks to the large b{bar b} production cross-section in 1.96 TeV p{bar p} collisions. Recent detector upgrades allow for a wide range of CP violation and flavor-mixing measurements that are fully competitive (direct asymmetries in self-tagging modes) or complementary (asymmetries of B{sub s} and b-baryons decays) with B-factories. In this paper we review some recent CP violation results from the D0 and CDF II Collaborations and we discuss the prospects for future measurements.
Book Synopsis CP Violation by : Società italiana di fisica
Download or read book CP Violation written by Società italiana di fisica and published by IOS Press. This book was released on 2006 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dealing with the CP violation, from quarks to leptons, this publication reviews the field, from both the theoretical and experimental point of view, while planning for the experimentation at LHC and considering possible facilities for kaon, B meson and neutrino physics.
Book Synopsis CP Violation in {B_s}^0 -> J/psi.phi Decays by : Sabato Leo
Download or read book CP Violation in {B_s}^0 -> J/psi.phi Decays written by Sabato Leo and published by Springer. This book was released on 2014-07-24 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis reports on the final measurement of the flavor-mixing phase in decays of strange-bottom mesons (B_s) into J/psi and phi mesons performed in high-energy proton-antiproton collisions recorded by the Collider Experiment at Fermilab. Interference occurs between direct decays and decays following virtual particle-antiparticle transitions (B_s-antiB_s). The phase difference between transition amplitudes (“mixing phase”) is observable and extremely sensitive to contributions from non-standard-model particles or interactions that may be very hard to detect otherwise – a fact that makes the precise measurement of the B_s mixing phase one of the most important goals of particle physics. The results presented include a precise determination of the mixing phase and a suite of other important supplementary results. All measurements are among the most precise available from a single experiment and provide significantly improved constraints on the phenomenology of new particles and interactions.
Book Synopsis B(s) Mixing, Delta Gamma(s) and CP Violation at the Tevatron by :
Download or read book B(s) Mixing, Delta Gamma(s) and CP Violation at the Tevatron written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors discuss the results from the Tevatron experiments on mixing and CP violation in the B{sub s}°-{bar B}{sub s}° system, with particular emphasis to the updated measurements of the decay-width difference [Delta][Lambda]{sub s} and the first measurement of the CP-violating phase [beta]{sub s} using flavor tagging information. They also briefly review the charge asymmetry measurements in semileptonic B{sub s}° decays and in B{sup {+-}} → J/[psi]K{sup {+-}} decays.
Book Synopsis CP Violation in B Decays at the Tevatron by :
Download or read book CP Violation in B Decays at the Tevatron written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Between 1992 to 1996, the CDF and D0 detectors each collected data samples exceeding 100 pb−1 of p{bar p} collisions at √s = 1.8 TeV at the Fermilab Tevatron. These data sets led to a large number of precision measurements of the properties of B hadrons including lifetimes, masses, neutral B meson flavor oscillations, and relative branching fractions, and to the discovery of the B0 meson. Perhaps the most exciting result was the first look at the CP violation parameter sin ({vert_bar}2[beta]){vert_bar} using the world's largest sample of fully reconstructed B°/{bar B}° → J/[psi]K{sub s}° decays. A summary of this result is presented here. In the year 2000, the Tevatron will recommence p{bar p} collisions with an over order of magnitude expected increased in integrated luminosity (1 fb−1 per year). The CDF and D0 detectors will have undergone substantial upgrades, particularly in the tracking detectors and the triggers. With these enhancements, the Tevatron B physics program includes precision measurements of sin(2[beta]) and B{sub s}° flavor oscillations, as well as studies of rare B decays that are sensitive to new physics. The studies of B{sub s}° mesons will be particularly interesting as this physics will be unique to the Tevatron during the first half of the next decade.
Book Synopsis Mixing and CP Violation at the Tevatron by :
Download or read book Mixing and CP Violation at the Tevatron written by and published by . This book was released on 2008 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of meson mixing and CP violation parameters obtained by the CDF and D0 experiments at the Fermilab Tevatron are presented. These include results on B{sub s} and D meson mixing, and searches for CP violation in the decay B 2!J/[psi]K, in mixing through semileptonic B{sub s} meson decays, and in the interference between mixing and decay in the process B{sub s} 2!J/[psi][phi].
Book Synopsis Cp Violation - Proceedings Of The Workshop by : Anthony W Thomas
Download or read book Cp Violation - Proceedings Of The Workshop written by Anthony W Thomas and published by World Scientific. This book was released on 2000-01-22 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: CP violation is essential to understanding the universe in which we live. Without it there can be no dominance of matter over anti-matter. New experimental facilities, such as the B-factories, and new experimental techniques promise the first real advances in our understanding of this phenomenon since its discovery in the mid-60's.The Workshop on CP violation brought together representatives of all the major experimental collaborations and key theorists. The result is an excellent introduction to the directions in which the field will move in the next few years.
Book Synopsis Results on CP Violation from CDF. by : S. Giagu
Download or read book Results on CP Violation from CDF. written by S. Giagu and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The CDF experiment at the Tevatron collider is collecting a large sample of fully hadronic decays of Bottom and Charm mesons. First CP Violation measurements have been performed using the initial data, achieving results which clearly state the CDF ability in extracting significant CKM information from p{bar p} collisions. The first results on direct CP asymmetries on Charm and Bottom decays and future plans from the CDF experiment are discussed in this paper.
Book Synopsis Flavor Physics at the Tevatron by : Thomas Kuhr
Download or read book Flavor Physics at the Tevatron written by Thomas Kuhr and published by Springer. This book was released on 2012-09-30 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book reviews the latest experimental results of charm and bottom flavor physics at the Tevatron proton-antiproton collider. The measurements of lifetimes, branching ratios and mixing properties of heavy flavored hadrons provide important constraints on fundamental parameters of the standard model – the elements of the CKM matrix. Comparisons of experimental results with theoretical predictions allow to search for physics beyond the standard model or to set bounds on parameters of new physics models. The experimental techniques developed at the Tevatron are highly relevant for the next generation flavor physics experiments at the LHC. This book provides the reader a detailed summary of the status of heavy flavor physics at the end of the Tevatron data taking period and the start of the LHC program.
Book Synopsis CP Violation: From Quarks to Leptons by : M. Giorgi
Download or read book CP Violation: From Quarks to Leptons written by M. Giorgi and published by IOS Press. This book was released on 2006-07-25 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: For a long time after the discovery in 1964, by Christenson, Cronin, Fitch and Turlay, that the long-lived neutral kaon decays both into three and into two pions, which has since been taken as proof of CP violation, successive new and more precise experiments confirmed the original evidence and provided results compatible with a phenomenological description confining the CP violation to the mixing between neutral kaons and antikaons. However the Standard Model, with three generations of quarks, linking as it does CP violation to the presence of a single non trivial phase in the Cabibbo-Kobayashi-Maskawa quark mixing matrix, implies that if CP violation exists at all, then it is a general property of weak interactions, appearing in transitions were amplitudes involving all three quark families interfere with each other, producing effects with a magnitude related to that of the CKM coefficients. This fact has stimulated an impressive amount of theoretical work leading in many cases to precise predictions. This publication reviews the field, from both the theoretical and experimental point of view, while planning for the forthcoming experimentation at LHC and considering possible new facilities for kaon, B meson and neutrino physics. Abstracted in Inspec
Book Synopsis CP Violation and Mixing of B Mesons at CDF. by :
Download or read book CP Violation and Mixing of B Mesons at CDF. 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 recent studies of CP-violation and mixing in neutral B mesons from the CDF experiment at the Fermilab Tevatron Collider. Results of a direct measurement of the CP-violation parameter sin 2[beta] using B[sup 0][yields] J/[psi]K[sub S][sup 0] with multi flavor tagging algorithms, a search for B[sub s][sup 0] -[bar B][sub s][sup 0] mixing using semileptonic decays, and the updated precision measurements of the B[sup 0] -[bar B][sup 0] mixing parameter will be presented. The prospects for B physics with the upgraded CDF detector in the next Tevatron Collider run will also be discussed.
Book Synopsis B Physics And Cp Violation: Proceedings Of The 2nd International Conference by : Thomas E Browder
Download or read book B Physics And Cp Violation: Proceedings Of The 2nd International Conference written by Thomas E Browder and published by World Scientific. This book was released on 1998-04-04 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: CP violation is one of the most subtle effects in the Standard Model of particle physics and may be the first clue to the physics that lies beyond. Charge conjugation, C, and parity, P, are symmetries of particle interactions. C corresponds to the operation of replacing a particle by its antiparticle, while P is the operation of mirror reflection. Before 1956, it was believed that these were also symmetries of the interactions of elementary particles. In 1956, C S Wu found evidence for P violation in the weak interaction. Theorists proposed that the combination of CP would be a symmetry of the weak interaction. In 1964, Christenson, Cronin, Fitch and Turlay found the first evidence for the violation of CP symmetry in the decays of kaons.Although Kobayashi and Maskawa then showed how the Standard Model can accommodate the observed CP violation, Wolfenstein pointed out that it is also possible that there is a new interaction in addition to the usual four, called the superweak interaction, which is responsible for the asymmetry. To test this idea, the observation of a different type of asymmetry, called direct CP violation, is required; in the kaon sector, very precise measurements of the ratio of kaon decay rates are necessary. In B decay modes where a second order weak process whimisically named “penguin” interferes with another suppressed, first order “tree” amplitude, it may also be possible to observe these direct CP-violating effects.B physics and CP violation is now one of the major growth areas in high energy physics. Nearly every major high energy physics laboratory now has a project underway to observe the large CP asymmetries expected in the B sector and to test the consistency of the Standard Model. The unitarity of the Kobayashi-Maskawa mixing matrix in the Standard Model implies the existence of three phases, called alpha, beta and gamma, which can be determined by the measurements of CP asymmetries in B decays. About 200 participants gathered in Hawaii in March 1997 to discuss the progress in the field, and this important book constitutes the proceedings of that conference.
Book Synopsis CP Violation in Single Top Quark Production by :
Download or read book CP Violation in Single Top Quark Production written by and published by . This book was released on 2012 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a search for CP violation in single top quark production with the DØ experiment at the Tevatron proton-antiproton collider. CP violation in the top electroweak interaction results in different single top quark production cross sections for top and antitop quarks. We perform the search in the single top quark final state using 5.4 fb-1 of data, in the s-channel, t-channel, and for both combined. At this time, we do not see an observable CP asymmetry.
