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Book Synopsis Kinematics of Top Decays from CDF. by :
Download or read book Kinematics of Top Decays from CDF. written by and published by . This book was released on 1995 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a study of the kinematics Of W + ≥ 3 jet events produced in p{bar p} collisions at √s = 1.8 TeV. We describe several techniques used to compare the observed events with expectations both from direct W + jets production and from production and decay of heavy top quark pairs. We also study the kinematic features of the events used to measure the top mass. Finally we show the results obtained looking for top candidates in the channel with 6 jets in the final state.
Download or read book Top Decays and Mass with CDF. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report preliminary results on top quark decays and measurements of the top mass recently obtained by the CDF collaboration, using a data sample of about 110 pb[sup[minus]1] collected at the Tevatron collider. Upper limits for non Standard model top decays into W+ q (non b quark), Z+ q and[gamma]+ q are given. Top mass measurements are obtained in three topologies for t[anti t] production and decay into W b: lepton+[ge] 4 jets, di-lepton and all hadronic final states. The most precise measurement is obtained in the lepton+[ge] 4 jets topology using 34 events which have at least one jet tagged by the SVX or SLT b-tagging algorithms and a good constrained kinematics fit.
Download or read book CDF Top Physics written by and published by . This book was released on 1996 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present the latest results about top physics obtained by the CDF experiment at the Fermilab Tevatron collider. The data sample used for these analysis (about 110 pb−1) represents almost the entire statistics collected by CDF during four years (1992--95) of data taking. This large data size has allowed detailed studies of top production and decay properties. The results discussed here include the determination of the top quark mass, the measurement of the production cross section, the study of the kinematics of the top events and a look at top decays.
Book Synopsis Top Quark Decay Kinematics in Fully Reconstructed Tt̄ Events in the E Or [mu] + EṮ + [greater Than Or Equal To] 4 Jet Decay Channel by : Eugene Hall Guillian
Download or read book Top Quark Decay Kinematics in Fully Reconstructed Tt̄ Events in the E Or [mu] + EṮ + [greater Than Or Equal To] 4 Jet Decay Channel written by Eugene Hall Guillian and published by . This book was released on 1999 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Kinematic Distributions and Mass Reconstruction of CDF Top Candidate Events by :
Download or read book Studies of Kinematic Distributions and Mass Reconstruction of CDF Top Candidate Events written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present analyses of CDF top-candidate events which study the separation of signal from background using easily-defined kinematic variables, and which study invariant masses of three-body systems to fully reconstruct the top quark decay products.
Book Synopsis Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) by : Zygmunt Ajduk
Download or read book Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) written by Zygmunt Ajduk and published by World Scientific. This book was released on 1997-04-11 with total page 1878 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Evidence for the Top Quark by : Kent W. Staley
Download or read book The Evidence for the Top Quark written by Kent W. Staley and published by Cambridge University Press. This book was released on 2004-04-05 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Evidence for the Top Quark offers both a historical and philosophical perspective on an important recent discovery in particle physics: the first evidence for the elementary particle known as the top quark. Drawing on published reports, oral histories, and internal documents from the large collaboration that performed the experiment, Kent Staley explores in detail the controversies and politics that surrounded this major scientific result.At the same time the book seeks to defend an objective theory of scientific evidence based on error probabilities.
Book Synopsis Top Production and Decay at CDF. by :
Download or read book Top Production and Decay at CDF. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on the measurement of top production and decay properties obtained by the CDF experiment with[ital p[anti p]] collisions at[radical][ital s]= 1.8 TeV. the analyses presented here refer to[integral][ital Ldt][approx] 110[ital pb][sup -1] collected at the Fermilab Tevatron collider. About 85% of the possible[ital t[anti t]] decays have been studied in different channels according to the number of high-[ital p[sub T]] leptons found in the final state. Combining the results from the channels with at least one[ital W] decaying leptonically into an[ital e] or[mu] we measure[delta][sub[ital t[anti t]]]= 7.5[sup+1.9][sub -1.6][ital pb]. We report also on the observation of[ital t[anti t]] production in all of the hadronic decay channels using kinematic selection and[ital b] identification, and in the channel containing one hadronically decaying[tau] lepton. Finally we discuss the kinematics of top events and measure the matrix element[vert-bar]V[sub[ital tb]][vert-bar]= 1.12[+-] 0.12.
Download or read book Hadron '95 written by Michael C. Birse and published by World Scientific. This book was released on 1996 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Top Decay Physics at CDF and Measurement of the CKM Element V{sub Tb} by :
Download or read book Top Decay Physics at CDF and Measurement of the CKM Element V{sub Tb} written by and published by . This book was released on 1995 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now that the top quark's existence has been firmly established by the CDF and D0 experiments{sup 1,2)}, we begin to measure its properties. Branching fractions are of particular interest in the case of the t quark, since they probe the couplings of the top quark to gauge bosons and other quarks, and because ''the top quark is the only quark with reasonable mass''3}. Because the top quark is the only quark with mass comparable to the electroweak scale, its decays, particularly non-standard decays, might shed some light on what makes the top quark different from lighter quarks, and the role it plays in electroweak symmetry breaking. This paper describes some recent measurements on the decay of the top quark using the CDF detector, a general purpose detector designed to study p{bar p} collisions at (square root)s=1.8 TeV; it has been described in detail elsewhere{sup 4,1)}. The analyses presented use 100-110 pb-1 of data collected between 1992 and 1995 at the Fermilab TeVatron.
Book Synopsis Recent Results on Top Quark Physics at CDF. by :
Download or read book Recent Results on Top Quark Physics at CDF. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the latest results on the top quark obtained by the CDF experiment using a data sample of about 110 pb[sup -1]. The data sample has been collected at the FermiLab Tevatron Collider with p[anti p] collisions at[radical]s= 1.8 TeV. We briefly describe the candidate event selection and then discuss the production cross section determination and the mass measurement. Combining the results from the channels with at least one W decaying leptonically into an electron or muon, we measure[sigma][sub t[anti t]]= 7.5[sup+1.9][sub -1.6] pb. Our best measured value for the top mass gives M[sub t]= 176.8[+-]6.5 GeV/c[sup 2]. We also report on the observation of t[anti t] production in the all hadronic decay channel using kinematic selection and b identification, and in the channel containing one hadronically decaying[tau] lepton. Finally we discuss the kinematics of top events and measure the matrix element[vert-bar]V[sub tb][vert-bar]=1.12[+-]0.12.
Book Synopsis Top Quark Physics at Hadron Colliders by : Arnulf Quadt
Download or read book Top Quark Physics at Hadron Colliders written by Arnulf Quadt and published by Springer Science & Business Media. This book was released on 2007-08-16 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This will be a required acquisition text for academic libraries. More than ten years after its discovery, still relatively little is known about the top quark, the heaviest known elementary particle. This extensive survey summarizes and reviews top-quark physics based on the precision measurements at the Fermilab Tevatron Collider, as well as examining in detail the sensitivity of these experiments to new physics. Finally, the author provides an overview of top quark physics at the Large Hadron Collider.
Book Synopsis '97 Electroweak Interactions and Unified Theories by : J. Thanh Van Tran
Download or read book '97 Electroweak Interactions and Unified Theories written by J. Thanh Van Tran and published by Atlantica Séguier Frontières. This book was released on 1997 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Qcd Corrections And New Physics - Proceedings Of The International Symposium by : Jiro Kodaira
Download or read book Qcd Corrections And New Physics - Proceedings Of The International Symposium written by Jiro Kodaira and published by World Scientific. This book was released on 1998-09-02 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses recent developments in both the theoretical and the experimental aspects of QCD. Its main goal is to establish precise predictions of the Standard Model in order to find clues to the discovery of New Physics.
Book Synopsis '98 Electroweak Interactions and Unified Theories by : Jean Thanh Vân Trâǹ
Download or read book '98 Electroweak Interactions and Unified Theories written by Jean Thanh Vân Trâǹ and published by Atlantica Séguier Frontières. This book was released on 1999 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Top Quark Physics Results from CDF and D-Zero by :
Download or read book Top Quark Physics Results from CDF and D-Zero written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: I summarize recent top quark physics results from the Fermilab Tevatron experiments. Since the observation of the top quark by CDF and D[null] in 1995, the experimental focus has shifted to a detailed study of the top quark's properties. This article describes recent measurements of the top quark production cross section, mass, kinematic properties, branching ratios, V[sub[ital tb]], and the[ital W] polarization in top decays.
Book Synopsis Hadron Collider Physics 2005 by : Mario Campanelli
Download or read book Hadron Collider Physics 2005 written by Mario Campanelli and published by Springer Science & Business Media. This book was released on 2007-08-17 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of The Hadron Collider Physics Symposia (HCP) 2005, and reviews the state-of-the-art in the key physics directions of experimental hadron collider research. Topics include QCD physics, precision electroweak physics, c-, b-, and t-quark physics, physics beyond the Standard Model, and heavy ion physics. The present volume serves as a reference for everyone working in the field of accelerator-based high-energy physics.
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