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Related papers: Precision QEDXQCD Resummation Theory for LHC Physi…

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We summarize the recent progress in a new approach to precision LHC physics based on the IR-improved DGLAP-CS theory as it relates to a new MC friendly exponentiated scheme for precision calculation of higher order corrections to LHC…

High Energy Physics - Phenomenology · Physics 2008-10-07 B. F. L. Ward , S. Joseph , S. Majhi , S. A. Yost

We present a phenomenological study of the current status of the application of our approach of {\it exact} amplitude-based resummation in quantum field theory to precision QCD calculations, by realistic MC event generator methods, as…

High Energy Physics - Phenomenology · Physics 2014-09-22 S. K. Majhi , A. Mukhopadhyay , B. F. L. Ward , S. A. Yost

We present the current status of the application of our approach of {\it exact} amplitude-based resummation in quantum field theory to precision QCD calculations, by realistic MC event generator methods, as needed for precision LHC…

High Energy Physics - Phenomenology · Physics 2013-03-04 S. K. Majhi , A. Mukhopadhyay , B. F. L. Ward , S. A. Yost

We present the recent developments in exact amplitude-based resummation methods for non-Abelian gauge theories as they relate to precision LHC physics. We discuss QEDXQCD exponentiation, shower/ME matching, IR-improved DGLAP-CS theory and…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. F. L. Ward , S. A. Yost

We discuss the elements of QED X QCD exponentiation and its interplay with shower/ME matching and IR-improved DGLAP theory in precision LHC physics scenarios. Applications to single heavy gauge boson production at hadron colliders are…

High Energy Physics - Phenomenology · Physics 2017-08-23 B. F. L Ward , S. A. Yost

The new IR-improved Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-Callan-Symanzik (DGLAP-CS) kernels recently developed by one of us is implemented in the HERWIG6.5 environment to generate a new MC, HERWIRI1.0(31), for hadron-hadron scattering…

High Energy Physics - Phenomenology · Physics 2010-12-14 B. F. L. Ward , S. A. Yost

We introduce the recently developed IR-improved DGLAP-CS theory into the showers in Pythia8, as this Monte Carlo event generator is in wide use at LHC. We show that, just as it was true in the IR-improved shower Monte Carlo Herwiri, which…

High Energy Physics - Phenomenology · Physics 2016-03-23 B. F. L. Ward

We present the interplay between the new IR-improved DGLAP-CS theory and the precision of NLO parton shower/ME matched MC`s as it is realized by the new MC Herwiri1.031 in interface to MC@NLO. We discuss phenomenological implications using…

High Energy Physics - Phenomenology · Physics 2013-02-05 B. F. L. Ward , S. K. Majhi , A. Mukhopadhyay , S. A. Yost

By implementing the new IR-improved Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-Callan-Symanzik (DGLAP-CS) kernels recently developed by one of us in the HERWIG6.5 environment we generate a new MC, HERWIRI1.0(31), for hadron-hadron…

High Energy Physics - Phenomenology · Physics 2010-05-28 S. Joseph , S. Majhi , B. F. L. Ward , S. A. Yost

We present Monte Carlo data showing the comparison between the parton shower generated by the standard DGLAP-CS kernels and that generated with the new IR-improved DGLAP-CS kernels recently developed by one of us(BFLW). We do this in the…

High Energy Physics - Phenomenology · Physics 2010-03-02 S. Joseph , S. Majhi , B. F. L. Ward , S. A. Yost

We have implemented the new IR-improved Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-Callan-Symanzik (DGLAP-CS) kernels recently developed by one of us in the HERWIG6.5 environment to generate a new MC, HERWIRI1.0(31), for hadron-hadron…

High Energy Physics - Phenomenology · Physics 2010-05-11 B. F. L. Ward , S. Joseph , S. Majhi , S. A. Yost

We introduce the new IR-improved Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-Callan-Symanzik (DGLAP-CS) kernels recently developed by one of us into the HERWIG6.5 to generate a new MC, HERWIRI1.0(31), for hadron-hadron scattering at high…

High Energy Physics - Phenomenology · Physics 2015-05-18 B. F. L. Ward , S. Joseph , S. Majhi , S. A. Yost

We use comparison with recent LHCb data on single Z/\gamma^* production and decay to lepton pairs as a vehicle to study the current status of the application of our approach of {\it exact} amplitude-based resummation in quantum field theory…

High Energy Physics - Phenomenology · Physics 2016-03-30 A. Mukhopadhyay , B. F. L. Ward

It is shown that exact, amplitude-based resummation allows IR-improvement of the usual DGLAP theory. This results in a new set of kernels, parton distributions and attendant reduced cross sections, so that the QCD perturbative result for…

High Energy Physics - Phenomenology · Physics 2010-03-25 B. F. L. Ward

We present recent developments in the theory and application of IR-improved QED$\otimes$QCD resummation methods, realized by MC event generator methods, for LHC and FCC physics scenarios.

High Energy Physics - Phenomenology · Physics 2018-10-10 B. F. L. Ward , Aditi Mukhopadhyay , Bahram Shakerin , Zbigniew A. Was , Scott A. Yost

In a previous paper, hereafter referred to as I, we have analyzed the 7 TeV LHC data on W + jets events from the standpoint of IR-improved DGLAP parton shower effects, using the IR-improved Herwiri1.031 parton shower MC in comparison with…

High Energy Physics - Phenomenology · Physics 2020-11-18 B. Shakerin , B. F. L. Ward

We present the theory of QED x QCD resummation and its interplay with shower/matrix element matching in precision LHC physics scenarios. We illustrate the theory using single heavy gauge boson production at hadron colliders.

High Energy Physics - Phenomenology · Physics 2008-11-26 B. F. L. Ward , S. A. Yost

We present an improvement of the MC event generator Herwiri2, where we recall the latter MC was a prototype for the inclusion of CEEX resummed EW corrections in hadron-hadron scattering at high cms energies. In this improvement the new…

High Energy Physics - Phenomenology · Physics 2016-10-12 S. Jadach , B. F. L. Ward , Z. A. Was , S. A. Yost

We present an MC@NLO-like matching of next-to-leading order QCD calculations with the Nagy-Soper parton shower. An implementation of the algorithm within the HELAC-DIPOLES Monte Carlo generator is used to address the uncertainties and…

High Energy Physics - Phenomenology · Physics 2015-06-15 M. Czakon , H. B. Hartanto , M. Kraus , M. Worek

We use HERWIRI1.031, a new Monte Carlo event generator for hadron-hadron scattering at high energies, to study the phenomenological effects of our approach of exact amplitude-based resummation in precision QCD calculations. W + jet(s)…

High Energy Physics - Phenomenology · Physics 2019-08-29 B. Shakerin , B. F. L. Ward
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