English
Related papers

Related papers: Precise Estimates of High Orders in QCD

200 papers

We calculate higher-order quantum contributions in different Lorentz-violating parameters to the gauge sector of the extended QED. As a result of this one-loop calculation, some terms which do not produce first-order corrections, contribute…

High Energy Physics - Phenomenology · Physics 2018-08-21 A. P. Baeta Scarpelli , L. C. T. Brito , J. C. C. Felipe , J. R. Nascimento , A. Yu. Petrov

We consider new ways of obtaining series and integral representations for master integrals arising in the process of matching of QCD to NRQCD. The latter results are exact in space-time dimension $d$. In addition, we discuss series…

High Energy Physics - Phenomenology · Physics 2022-07-13 M. A. Bezuglov , A. V. Kotikov , A. I. Onishchenko

In this talk I report on recent developments and results relevant for LHC phenomenology at next-to-leading order QCD. Feynman diagrammatic and unitarity based methods have both seen considerable improvements and new ideas recently. Current…

High Energy Physics - Phenomenology · Physics 2014-11-18 Thomas Binoth

This report reviews recent theory progress in the field of heavy quarkonium and open heavy flavour production calculations.

High Energy Physics - Phenomenology · Physics 2011-09-09 Mathias Butenschoen

I discuss results and applications of QCD nonrelativistic effective field theories for systems with two heavy quarks.

High Energy Physics - Phenomenology · Physics 2017-08-23 Nora Brambilla

With an eye toward the usual unphysical divergence of hard fixed-order corrections in predictions for the processes probed in high energy colliding hadron beam devices as one approaches the soft limit, we present a new approach to the…

High Energy Physics - Phenomenology · Physics 2016-09-29 B. F. L. Ward

Perturbative QCD has made significant progress over the last few decades. In the first part, we present an introductory overview of perturbative QCD as seen from a modern viewpoint. We explain the relation between purely perturbative…

High Energy Physics - Phenomenology · Physics 2014-07-22 Y. Sumino

A systematic method of summing the corrections to the renormalon residue arising from higher order renormalons is discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Taekoon Lee

An overview of recent theoretical progress on Non-Relativistic QCD and related effective theories is provided.

Nuclear Theory · Physics 2008-11-26 Joan Soto

Precision measurements at the LHC and future colliders require theory predictions with uncertainties at the percent level for many observables. Theory uncertainties due to the perturbative truncation are particularly relevant and must be…

High Energy Physics - Phenomenology · Physics 2022-09-14 Fernando Febres Cordero , Andreas von Manteuffel , Tobias Neumann

I discuss the latest developments of FDR in the context of quantum field theory calculations relevant for high-energy particle physics phenomenology. In particular, I focus on NNLO computations and on the use of FDR in connection with…

High Energy Physics - Phenomenology · Physics 2019-12-03 Roberto Pittau

Pade approximations appear to be a powerful tool to extend the validity range of expansions around certain kinematical limits and to combine expansions of different limits to a single interpolating function. After a brief outline of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert V. Harlander

Using non-relativistic effective theories, new next-to-next-to-leading order (NNLO) QCD corrections to the total $t\bar t$ production cross section at the Linear Collider have been calculated recently. In this article the NNLO calculations…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. H. Hoang , M. Beneke , K. Melnikov , T. Nagano , A. Ota , A. A. Penin , A. A. Pivovarov , A. Signer , V. A. Smirnov , Y. Sumino , T. Teubner , O. Yakovlev , A. Yelkhovsky

We review the theoretical aspects relevant in the description of high energy heavy ion collisions, with an emphasis on the learnings about the underlying QCD phenomena that have emerged from these collisions.

High Energy Physics - Phenomenology · Physics 2022-08-31 Francois Gelis

I review recent advances in the calculation of higher-order soft-gluon corrections for a variety of QCD, Higgs, and SUSY processes in hadron colliders. A unified approach and master formulas for next-to-next-to-leading order soft and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nikolaos Kidonakis

Today's QCD problems, prospects and achievements are reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu. L. Dokshitzer

I discuss our current understanding of parton distributions. I begin with the underlying theoretical framework, and the way in which different data sets constrain different partons, highlighting recent developments. The methods of examining…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. S. Thorne

We briefly describe a new general algorithm for carrying out QCD calculations to next-to-leading order in perturbation theory. The algorithm can be used for computing arbitrary jet cross sections in arbitrary processes and can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefano Catani , Michael H. Seymour

This report was prepared in the context of the LPCC "Electroweak Precision Measurements at the LHC WG" and summarizes the activity of a subgroup dedicated to the systematic comparison of public Monte Carlo codes, which describe the…

‹ Prev 1 8 9 10 Next ›