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Author : Z. Kunszt
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (878 download)
Download or read book New techniques for calculating higher order QCD corrections written by Z. Kunszt and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Z. Kunszt
Publisher :
ISBN 13 :
Total Pages : 217 pages
Book Rating : 4.:/5 (277 download)
Download or read book New Techniques for Calculating Higher Order QCD Corrections written by Z. Kunszt and published by . This book was released on 1992 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammad Assadsolimani
Publisher : disserta Verlag
ISBN 13 : 3954256746
Total Pages : 161 pages
Book Rating : 4.9/5 (542 download)
Download or read book Higher Order QCD Corrections to Single Top Quark Production written by Mohammad Assadsolimani and published by disserta Verlag. This book was released on 2014-08 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is known that the LHC has a considerable discovery potential because of its large centre-of-mass energy (vs =14 TeV) and the high design luminosity. In addition, the two experiments ATLAS and CMS perform precision measurements for numerous models in physics. The increasing experimental precision demands an even higher level of accuracy on the theoretical side. For a more precise prediction of outcomes, one has to consider the corrections obtained typically from Quantum Chromodynamics (QCD). The calculation of these corrections in the high energy regime is described by perturbation theory. In the present study, multi-loop calculations in QCD, including in particular two-loop corrections for single top quark production, are considered. There are several phenomenological motivations to study single top quark production: Firstly, the process is sensitive to the electroweak Wtb-vertex; moreover, non-standard couplings can hint at physics beyond the Standard Model. Secondly, the t-channel cross section measurement provides information on the b-quark Parton Distribution Functions (PDF). Finally, single top quark production enables us to directly measure the Cabibbo-Kobayashi-Maskawa(CKM) matrix element Vtb. The next-to-next-to-leading-order (NNLO) calculation of the single top quark production has many building blocks. In this study, two blocks will be presented: one-loop corrections squared and two-loop corrections interfered with Born. Initially, the one-loop squared contribution at NNLO for single top quark production will be calculated. Before we begin with the calculation of the two-loop corrections to single top quark production, we calculate the QCD form factors of heavy quarks at NNLO, along with the axial vector coupling as a first independent check. A comparison with the relevant literature suggests that this approach is in line with generally accepted procedure. This consistency check provides a proof of the validity of our setup. In the next step, the two-loop corrections to single top quark production will be calculated. After reducing all occurring tensor integrals to scalar integrals, we apply the integration by parts method (IBP) to find the master integrals. This step is a major challenge compared to all similar calculations because of the number of variables in the problem (two Mandelstam variables s and t, the dimension d and the mass of the top quark mt as well as the mass of the W boson mw). Finally, the calculation of the three kinds of topologies – vertex corrections, double boxes and non-planar double boxes – in the two-loop contribution at NNLO calculation will be presented.
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (684 download)
Download or read book Higher Order QCD Corrections to Tagged Production Processes written by and published by . This book was released on 1997 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: We extend the phase space slicing method to allow for heavy quarks and fragmentation functions. The method can be used to calculate differential cross section in which any particular particle (massive or massless) is tagged. 4 refs.
![Download A calculation of higher order QCD corrections to 2- and 3-jet [jet] observables in e_1hn+e_1hn_346-annihilation [ee-annihilation] on and off the Z_1hn0 [Z] including beam polarization effects PDF Online Free](https://books.google.com/books/content/images/frontcover/Xii0XwAACAAJ?fife=w200-h370)
Author : Gerhard Schuler
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (721 download)
Download or read book A calculation of higher order QCD corrections to 2- and 3-jet [jet] observables in e_1hn+e_1hn_346-annihilation [ee-annihilation] on and off the Z_1hn0 [Z] including beam polarization effects written by Gerhard Schuler and published by . This book was released on 1987 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. Schuler
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (776 download)
Download or read book A Calculation of Higher Order QCD Corrections to 2- and 3-jet Observables in E∫ex-annihilation on and Off the Zincluding Beam Polarization Effects written by G. Schuler and published by . This book was released on 1986 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerhard Schuler
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (63 download)
Download or read book A calculation of higher order QCD corrections to 2- and 3-jet observables in e-plus-e-minus-annihilation on and off the ZO including beam polarization effects written by Gerhard Schuler and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download A calculation of higher order QCD corrections to 2- and 3-jet observables in e+e--Annihilation [eeAnnihilation] on and off the Zo [Z] including beam polarization effects PDF Online Free](https://books.google.com/books/content/images/frontcover/sP2tPgAACAAJ?fife=w200-h370)
Author : Gerhard Schuler
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (246 download)
Download or read book A calculation of higher order QCD corrections to 2- and 3-jet observables in e+e--Annihilation [eeAnnihilation] on and off the Zo [Z] including beam polarization effects written by Gerhard Schuler and published by . This book was released on 1987 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerhard Schuler
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (63 download)
Download or read book A calculation of higher order QCD corrections to w- and 3-Jet observables in e-plus-e-minus-annihilation on and off the Zo including beam polarization effects written by Gerhard Schuler and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerhard Schuler
Publisher :
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (256 download)
Download or read book A Calculation of Higher Order QCD Corrections to 2- and 3-jet Observables in Ee-annihilation on and Off the Z ̊including Beam Polarization Effects written by Gerhard Schuler and published by . This book was released on 1986 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roberto Casalbuoni
Publisher : World Scientific
ISBN 13 : 9814549363
Total Pages : 318 pages
Book Rating : 4.8/5 (145 download)
Download or read book Theory Meets Experiment - Proceedings Of The Johns Hopkins Workshop On Current Problems In Particle Theory 18 written by Roberto Casalbuoni and published by World Scientific. This book was released on 1995-06-29 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop collected together theoreticians and experimentalists for a discussion about the most recent experiments and their impact on theoretical ideas. The discussion included the new data from LEP and SLD, the evidence for the top quark from Tevatron, the structure function measurements from HERA, and the searches for dark matter. Also, new projects for physics with large neutrino detectors and CP violation at e+e- factories were presented, and a survey of high energy astroparticle physics was included. Particular attention was paid to the interplay between microscopical and cosmological scales.
Author : A. G. Grozin
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (257 download)
Download or read book Methods of Calculation of Higher Power Corrections in QCD. written by A. G. Grozin and published by . This book was released on 1992 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Grigorios Chachamis
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (18 download)
Download or read book Higher Order QCD Corrections in Small X Physics written by Grigorios Chachamis and published by . This book was released on 2006 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jian Wang
Publisher : Springer
ISBN 13 : 3662486733
Total Pages : 153 pages
Book Rating : 4.6/5 (624 download)
Download or read book QCD Higher-Order Effects and Search for New Physics written by Jian Wang and published by Springer. This book was released on 2015-10-28 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book mainly investigates the precision predictions on the signal of new physics at the Large Hadron Collider (LHC) in the perturbative Quantum Chromodynamics (QCD) scheme. The potential of the LHC to discover the signal of dark matter associated production with a photon is studied after including next-to-leading order QCD corrections. The factorization and resummation of t-channel top quark transverse momentum distribution in the standard model at both the Tevatron and the LHC with soft-collinear effective theory are presented. The potential of the early LHC to discover the signal of monotops is discussed. These examples illustrate the method of searching for new physics beyond what is known today with high precision.
Author : Jean-Marc Gérard
Publisher : Springer Science & Business Media
ISBN 13 : 1489910824
Total Pages : 461 pages
Book Rating : 4.4/5 (899 download)
Download or read book Frontiers in Particle Physics written by Jean-Marc Gérard and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a NATO ASI held in Cargese, France, August 1-13, 1994
Author : Robert N Cahn
Publisher : World Scientific
ISBN 13 : 9814549223
Total Pages : 318 pages
Book Rating : 4.8/5 (145 download)
Download or read book Particle Physics: Perspectives And Opportunities - Report Of The Dpf Committee On Long-term Planning written by Robert N Cahn and published by World Scientific. This book was released on 1995-09-20 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the result of a broad-based and in-depth study of high energy physics commissioned by the Executive Committee of the Division of Particles and Fields of the American Physical Society. This year-long study was initiated in the early 1994, in the wake of the cancellation of the SSC, and is meant to complement the report of the Drell HEPAP subpanel, charged with providing a vision for the future of the field. The DPF study of high energy physics was organized on the basis of the working groups, each led by a number of co-conveners chosen among established leaders in the various subspecialties in the field. These conveners, in turn, organized their working groups by inviting other active workers in the discipline to participate and gathered further input from the community by holding a variety of specialized meetings and workshops. This book contains the final reports of the 11 working groups assembled for the study, along with an extended overview and executive summary by the editors.
Author : Thomas Ferbel
Publisher : Springer Science & Business Media
ISBN 13 : 1461559634
Total Pages : 541 pages
Book Rating : 4.4/5 (615 download)
Download or read book Techniques and Concepts of High-Energy Physics IX written by Thomas Ferbel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ninth Advanced Study Institute (AS!) on Techniques and Concepts of High Energy Physics was almost canceled before ifbegan! A certain visitor to the area (Hurricane Bertha) arrived unexpectedly early in 1996. It was the first hur ricane in memory to menace the Caribbean in early July! Fortunately, it passed St. Croix several days before our meeting, and left very little damage. (The Altar ellis survived the eye of the storm in the in the British West Islands!) The meeting was held once again at the hotel on the Cay, on that spec of land in the harbor ofChrirtiansted, St. Croix, U. S. Virgin Islands. After the first two days of, at times, outrageous downpour, the 71 participants from 26 coun tries began to relax and enjoy the lectures and the lovely surroundings of the In stitute. The primary support for the meeting was provided by the ~cientific Affairs Division of the North Atlantic Treaty Organization (NATO). The ASI was cosponsored by the U. S. department of Energy, by the Fermi National Accelera tor Laboratory (Fermi-lab), by the U. S. National Science Foundation, and by the University of Rochester. In addition, the International Science Foundation con tributed to the support of a participant from Russia. As in the case of the previous ASIs, the scientific program was designed for advanced graduate students and recent Ph. D. recipients in experimental parti cle physics.
