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Related papers: Hard exclusive processes and higher-order QCD corr…

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We consider higher-order QCD corrections for vector boson production at hadron colliders. We present recent results on transverse-momentum resummation for Z production. Moreover we show numerical results from a new fully exclusive…

High Energy Physics - Phenomenology · Physics 2009-06-12 Giancarlo Ferrera

Recent developments in the treatment of a system of heavy quarks close to their production threshold are discussed. Particular emphasis is put on the next-to-next-to-next-to-leading order (N$^3$LO) corrections to the energy levels and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matthias Steinhauser

I report on recent progress in calculating electroweak processes within the framework of QCD in the 1/Nc expansion.

High Energy Physics - Phenomenology · Physics 2016-09-06 E. de Rafael

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

Calculations of central exclusive production are affected by very large perturbative and non-perturbative corrections. In this talk, we summarize the results of a study of the uncertainties on these corrections in the case of exclusive…

High Energy Physics - Phenomenology · Physics 2010-11-17 A. Dechambre , J. R. Cudell , O. F. Hernandez , I. P. Ivanov

We present a calculation of the full next-to-leading order QCD corrections to the scattering process pp \to t tbar Z. This channel will be used to measure the t tbar Z electroweak couplings at the Large Hadron Collider. These couplings…

High Energy Physics - Phenomenology · Physics 2008-11-26 Achilleas Lazopoulos , Thomas McElmurry , Kirill Melnikov , Frank Petriello

1) Hard exclusive processes in QCD: main characteristic properties; 2) Experimental and theoretical status of the J/Psi and Psi^\prime decays.

High Energy Physics - Phenomenology · Physics 2007-05-23 Victor Chernyak

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

We present the calculation of QCD radiative corrections to heavy-quark production at NNLO. The calculation is implemented in an updated version of \textsc{Matrix}, which allows us to obtain multidifferential predictions for stable top…

High Energy Physics - Phenomenology · Physics 2022-05-20 Simone Devoto

We discuss the status of the next-to-next-to-leading order calculation in scattering processes, describing briefly the challenges that have been overcome and what challenges are still to be resolved.

High Energy Physics - Phenomenology · Physics 2007-05-23 Carlo Oleari

A short review is given of the present status of the studies of genuine confinement effects in multiple hadron production in hard processes

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

We report on QCD radiative corrections to heavy quark production valid at high energy. The formulae presented will allow a matched calculation of the total cross section which is correct at $O(\as^3)$ and includes resummation of all terms…

High Energy Physics - Phenomenology · Physics 2010-02-03 R. D. Ball , R. K. Ellis

I review progress related to the calculation of QCD jet cross sections at the NLO accuracy. After a short introduction into the theory of NLO calculations, I discuss two recent developments: the calculation of two- and three-jet…

High Energy Physics - Phenomenology · Physics 2013-05-29 Zoltan Trocsanyi

We present threshold enhanced QCD corrections to inclusive processes such as Deep inelastic scattering, Drell-Yan process and Higgs productions through gluon fusion and bottom quark annihilation processes using the resummed cross sections.…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Ravindran

We present an interpretation of Deepcode, a learned feedback code that showcases higher-order error correction relative to an earlier interpretable model. By interpretation, we mean succinct analytical encoder and decoder expressions…

Information Theory · Computer Science 2024-08-23 Yingyao Zhou , Natasha Devroye , Gyorgy Turan , Milos Zefran

In studying the complexity of iterative processes it is usually assumed that the arithmetic operations of addition, multiplication, and division can be performed in certain constant times. This assumption is invalid if the precision…

Computational Complexity · Computer Science 2021-03-22 Richard P. Brent

A review of QCD-based theory approaches to study the heavy-flavor and exotic hadrons is given. The focus is on the results from lattice QCD and from lattice QCD complemented by effective field theories. Both approaches are first briefly…

High Energy Physics - Lattice · Physics 2023-01-11 Sasa Prelovsek

We discuss a calculation of the next-to-leading order QCD corrections to the process $e^+e^-\to 3$ jets with massive quarks, and show numerical results for the three jet fraction and the differential two jet rate.

High Energy Physics - Phenomenology · Physics 2011-01-25 A. Brandenburg , W. Bernreuther , P. Uwer

Results of analytical calculations for heavy quark systems in higher orders of perturbation theory are overviewed. I discuss baryons with one finite mass quark in the next-to-leading order and heavy quark pair production near the threshold…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Pivovarov

We review the current status of high energy exclusive processes and color transparency.

High Energy Physics - Phenomenology · Physics 2009-11-07 Pankaj Jain , John P. Ralston