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Higgs Production In Heavy Quark Annihilation Through Next To Next To Leading Order Qcd
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Book Synopsis Higgs Production in Heavy Quark Annihilation Through Next-to-next-to-leading Order QCD by : Robert V. Harlander
Download or read book Higgs Production in Heavy Quark Annihilation Through Next-to-next-to-leading Order QCD written by Robert V. Harlander and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NLO QCD CORRECTIONS TO HADRONIC HIGGS PRODUCTION WITH HEAVY QUARKS. by : C. JACKSON
Download or read book NLO QCD CORRECTIONS TO HADRONIC HIGGS PRODUCTION WITH HEAVY QUARKS. written by C. JACKSON and published by . This book was released on 2003 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of a Higgs boson in association with a pair of t{bar t} or b{bar b} quarks plays a very important role at both the Tevatron and the Large Hadron Collider. The theoretical prediction of the corresponding cross sections has been improved by including the complete next-to-leading order QCD corrections. After a brief description of the most relevant technical aspects of the calculation, we review the results obtained for both the Tevatron and the Large Hadron Collider.
Book Synopsis Next-to-leading QCD and Finite Lifetime Effects in E_1hn+e_1hn- → Tt̄H by : Cailin Farrell
Download or read book Next-to-leading QCD and Finite Lifetime Effects in E_1hn+e_1hn- → Tt̄H written by Cailin Farrell and published by Cuvillier Verlag. This book was released on 2008 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Two-loop Virtual QCD Corrections to Higgs Boson Pair Production in the Standard Model by :
Download or read book On the Two-loop Virtual QCD Corrections to Higgs Boson Pair Production in the Standard Model written by and published by . This book was released on 2016 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, we compute the next-to-leading order virtual QCD corrections to Higgs-pair production via gluon fusion. We also present analytic results for the two-loop contributions to the spin-0 and spin-2 form factors in the amplitude. The reducible contributions, given by the double-triangle diagrams, are evaluated exactly while the two-loop irreducible diagrams are evaluated by an asymptotic expansion in heavy top-quark mass up to and including terms of O(1/m$8\atop{t}$). We estimate that mass effects can reduce the hadronic cross section by at most 10 %, assuming that the finite top-quark mass effects are of similar size in the entire range of partonic energies.
Book Synopsis Higher Order QCD Corrections to Single Top Quark Production by : Mohammad Assadsolimani
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.
Book Synopsis Heavy Quark Production in Perturbative QCD at HERA by : Xiaoning Wang
Download or read book Heavy Quark Production in Perturbative QCD at HERA written by Xiaoning Wang and published by . This book was released on 1998 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heavy Quark Production and Fragmentation Processes in Next-to-leading Order QCD by : Stefan Kretzer
Download or read book Heavy Quark Production and Fragmentation Processes in Next-to-leading Order QCD written by Stefan Kretzer and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis QCD and Collider Physics by : R. K. Ellis
Download or read book QCD and Collider Physics written by R. K. Ellis and published by Cambridge University Press. This book was released on 2003-12-04 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed overview of the physics of high-energy colliders emphasising the role of QCD.
Book Synopsis Geometric and Topological Methods for Quantum Field Theory by : Hernan Ocampo
Download or read book Geometric and Topological Methods for Quantum Field Theory written by Hernan Ocampo and published by Cambridge University Press. This book was released on 2010-04-29 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at graduate students in physics and mathematics, this book provides an introduction to recent developments in several active topics at the interface between algebra, geometry, topology and quantum field theory. The first part of the book begins with an account of important results in geometric topology. It investigates the differential equation aspects of quantum cohomology, before moving on to noncommutative geometry. This is followed by a further exploration of quantum field theory and gauge theory, describing AdS/CFT correspondence, and the functional renormalization group approach to quantum gravity. The second part covers a wide spectrum of topics on the borderline of mathematics and physics, ranging from orbifolds to quantum indistinguishability and involving a manifold of mathematical tools borrowed from geometry, algebra and analysis. Each chapter presents introductory material before moving on to more advanced results. The chapters are self-contained and can be read independently of the rest.
Book Synopsis The Higgs Hunter's Guide by : John F. Gunion
Download or read book The Higgs Hunter's Guide written by John F. Gunion and published by CRC Press. This book was released on 2018-03-05 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Higgs Hunter's Guide is a definitive and comprehensive guide to the physics of Higgs bosons. In particular, it discusses the extended Higgs sectors required by those recent theoretical approaches that go beyond the Standard Model, including supersymmetry and superstring-inspired models.
Book Synopsis Heavy Quark-pair Production in Electron Positron Collisions at Next-to-next-to-leading Order QCD by : Long Chen
Download or read book Heavy Quark-pair Production in Electron Positron Collisions at Next-to-next-to-leading Order QCD written by Long Chen and published by . This book was released on 2017* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Associated Production of Higgs Bosons and Heavy Quarks in Two Photon Collisions at Next-to-leading Order by : Frank Fugel
Download or read book Associated Production of Higgs Bosons and Heavy Quarks in Two Photon Collisions at Next-to-leading Order written by Frank Fugel and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 THEORETICAL PROGRESS FOR THE ASSOCIATED PRODUCTION OF A HIGGS BOSON WITH HEAVY QUARKS AT HADRON COLLIDERS. by : S.JACKSON DAWSON (C. B.ORR, L. H.REINA, L.WAC.)
Download or read book THEORETICAL PROGRESS FOR THE ASSOCIATED PRODUCTION OF A HIGGS BOSON WITH HEAVY QUARKS AT HADRON COLLIDERS. written by S.JACKSON DAWSON (C. B.ORR, L. H.REINA, L.WAC.) and published by . This book was released on 2003 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of a Higgs boson in association with a pair of t{bar t} or b{bar b} quarks plays a very important role at both the Tevatron and the Large Hadron Collider. The theoretical prediction of the corresponding cross sections has been improved by including the complete next-to-leading order QCD corrections. After a brief introduction, we review the results obtained for both the Tevatron and the Large Hadron Collider.
Book Synopsis Measurement of Quarkonium Polarization to Probe QCD at the LHC by : Valentin Knünz
Download or read book Measurement of Quarkonium Polarization to Probe QCD at the LHC written by Valentin Knünz and published by Springer. This book was released on 2017-01-07 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis discusses in detail the measurement of the polarizations of all S-wave vector quarkonium states in LHC proton-proton collisions with the CMS detector. Heavy quarkonium states constitute an ideal laboratory to study non-perturbative effects of quantum chromodynamics and to understand how quarks bind into hadrons. The experimental results are interpreted through an original phenomenological approach, which leads to a coherent picture of quarkonium production cross sections and polarizations within a simple model, dominated by one single color-octet production mechanism. These findings provide new insights into the dynamics of heavy quarkonium production at the LHC, an important step towards a satisfactory understanding of hadron formation within the standard model of particle physics.
Book Synopsis QCD Corrections to Higgs Pair Production in Bottom Quark Fusion by :
Download or read book QCD Corrections to Higgs Pair Production in Bottom Quark Fusion written by and published by . This book was released on 2006 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a complete next-to-leading order (NLO) calculation for the total cross section of inclusive Higgs pair production via bottom-quark fusion (b{bar b} → hh) at the CERN Large Hadron Collider (LHC) in the Standard Model. The NLO QCD corrections lead to less dependence on the renormalization scale ([mu]{sub R}) and the factorization scale ([mu]{sub F}) than the leading-order (LO) cross section, and they significantly increase the LO cross section. The rate for inclusive Higgs pair production is small in the Standard Model, but can be large in models with enhanced couplings of the b quark to the Higgs bosons.
Book Synopsis Heavy-Quark Hadro-production at Next-to-leading-order in QCD and Beyond by : Yewon Yang
Download or read book Heavy-Quark Hadro-production at Next-to-leading-order in QCD and Beyond written by Yewon Yang and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
