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I present a calculation of next-to-next-to-next-to-leading-order (NNNLO) soft-gluon corrections for differential distributions in top-antitop pair production in hadronic collisions. Approximate NNNLO (aNNNLO) results are obtained from…

High Energy Physics - Phenomenology · Physics 2015-03-05 Nikolaos Kidonakis

I present results for top quark production in hadronic collisions at LHC and Tevatron energies. The soft-gluon corrections to the differential cross section are resummed at next-to-next-to-leading-logarithm (NNLL) accuracy via the two-loop…

High Energy Physics - Phenomenology · Physics 2011-02-02 Nikolaos Kidonakis

We present results for the top quark pair cross section at the Tevatron and the LHC. We use the resummed double differential cross section, employing the fully kinematics-dependent soft anomalous dimension matrices, to calculate the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nikolaos Kidonakis , Ramona Vogt

We make use of recent results in effective theory and higher-order perturbative calculations to improve the theoretical predictions of the QCD contribution to the top-quark pair production forward-backward asymmetry at the Tevatron. In…

High Energy Physics - Phenomenology · Physics 2013-05-29 Valentin Ahrens , Andrea Ferroglia , Matthias Neubert , Ben D. Pecjak , Li Lin Yang

We discuss the most recent calculations of the top quark total cross section and transverse momentum distributions at the Tevatron and the LHC. These calculations include the soft-gluon corrections at next-to-next-to-leading order (NNLO).…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nikolaos Kidonakis , Ramona Vogt

I calculate the top quark forward-backward asymmetry at the Tevatron in both the laboratory frame and the $t{\bar t}$ rest frame. I show that soft-gluon corrections are the dominant contribution to the asymmetry and closely approximate…

High Energy Physics - Phenomenology · Physics 2015-04-13 Nikolaos Kidonakis

We present results for top quark production at the Tevatron including next-to-next-to-leading order (NNLO) soft-gluon corrections. We show the stability of the cross section with respect to kinematics choice and scale when the NNLO…

High Energy Physics - Phenomenology · Physics 2014-11-17 Nikolaos Kidonakis , Ramona Vogt

I present results for top-quark double-differential distributions in transverse momentum and rapidity. Higher-order soft-gluon corrections from NNLL resummation are calculated through N$^3$LO. The corrections are large and they reduce…

High Energy Physics - Phenomenology · Physics 2020-04-15 Nikolaos Kidonakis

I present a unified calculation of soft-gluon corrections to hard-scattering cross sections through next-to-next-to-next-to-leading order (NNNLO). Master formulas are derived, from a threshold resummation formalism, that can be applied to…

High Energy Physics - Phenomenology · Physics 2013-05-29 Nikolaos Kidonakis

I discuss and compare several approaches to higher-order calculations of top quark production. I study the relative effectiveness of the approaches in approximating the exact NNLO results for the top-pair total cross section and highlight…

High Energy Physics - Phenomenology · Physics 2013-05-01 Nikolaos Kidonakis

I present theoretical results for the top quark pair total cross section, and for the top quark transverse momentum and rapidity distributions at Tevatron and LHC energies. I also present results for single top quark production in the t-…

High Energy Physics - Phenomenology · Physics 2011-09-16 Nikolaos Kidonakis

We calculate next-to-next-to-leading order soft-gluon corrections to top quark total and differential cross sections in hadron colliders. We increase the accuracy of our previous estimates by including additional subleading terms, including…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nikolaos Kidonakis , Ramona Vogt

I present the resummation of collinear and soft gluon corrections to single top quark production in the t channel at next-to-next-to-leading logarithm (NNLL) accuracy using two-loop soft anomalous dimensions. The expansion of the resummed…

High Energy Physics - Phenomenology · Physics 2011-05-25 Nikolaos Kidonakis

I present a calculation of next-to-next-to-next-to-leading-order (NNNLO) soft-gluon corrections for top-antitop pair production in hadronic collisions. Approximate NNNLO (aNNNLO) results are obtained by adding the NNNLO soft-gluon…

High Energy Physics - Phenomenology · Physics 2014-07-09 Nikolaos Kidonakis

I present a calculation of approximate N$^3$LO corrections from NNLL soft-gluon resummation for differential distributions in top-antitop pair production in hadronic collisions. Soft-gluon corrections are the dominant contribution to…

High Energy Physics - Phenomenology · Physics 2023-02-21 Nikolaos Kidonakis

We present results for W-boson production at large transverse momentum at LHC and Tevatron energies. We calculate complete next-to-leading-order (NLO) QCD corrections and higher-order soft-gluon corrections to the differential cross…

High Energy Physics - Phenomenology · Physics 2015-06-03 Nikolaos Kidonakis , Richard J. Gonsalves

We present results for the $Z$-boson and $W$-boson transverse momentum ($p_T$) distributions for large $p_T$ at LHC and Tevatron energies. We calculate complete next-to-leading-order (NLO) QCD corrections as well as soft-gluon corrections…

High Energy Physics - Phenomenology · Physics 2015-06-19 Nikolaos Kidonakis , Richard J. Gonsalves

I present approximate next-to-next-to-leading-order (NNLO) top-quark transverse momentum, pT, distributions in t-channel single-top production. These distributions are derived from next-to-next-to-leading-logarithm (NNLL) soft-gluon…

High Energy Physics - Phenomenology · Physics 2015-06-16 Nikolaos Kidonakis

The inclusive transverse momentum and rapidity distributions for top quark production at the Fermilab Tevatron are presented both in order $\alpha_s^3$ in QCD and using the resummation of the leading soft gluon corrections in all orders of…

High Energy Physics - Phenomenology · Physics 2016-09-01 N. Kidonakis , J. Smith

We study the QCD corrections at next-to-next-to-leading order (NNLO) to the cross section for the hadronic pair-production of top quarks. We present new results in the high-energy limit using the well-known framework of k_t-factorization.…

High Energy Physics - Phenomenology · Physics 2015-06-04 S. Moch , P. Uwer , A. Vogt
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