English
Related papers

Related papers: The top quark rapidity distribution and forward-ba…

200 papers

I present the next-to-next-to-leading-logarithm (NNLL) resummation of soft and collinear gluon corrections to single top quark production in the s channel. Attaining NNLL accuracy involves the calculation of the two-loop soft anomalous…

High Energy Physics - Phenomenology · Physics 2010-04-14 Nikolaos Kidonakis

I present new results and updates for total cross sections and differential distributions in top-antitop pair and single-top production. Soft-gluon corrections are added to exact fixed-order results to provide the best predictions at…

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

Incorporating all recent theoretical advances, we resum soft-gluon corrections to the total $t\bar t$ cross-section at hadron colliders at the next-to-next-to-leading logarithmic (NNLL) order. We perform the resummation in the well…

High Energy Physics - Phenomenology · Physics 2015-06-03 Matteo Cacciari , Michal Czakon , Michelangelo L. Mangano , Alexander Mitov , Paolo Nason

I present the latest results on the theoretical cross section for top-antitop pair production as well as for single top production at the Tevatron and the LHC. The calculations include higher-order soft-gluon corrections which are dominant…

High Energy Physics - Phenomenology · Physics 2009-09-02 Nikolaos Kidonakis

Forward-backward asymmetries $A_{FB}^t$ and $A_{FB}^\ell$ are observed in the top quark $t$ rapidity distribution and in the rapidity distribution of charged leptons $\ell$ from top quark decay at the Tevatron proton-antiproton collider,…

High Energy Physics - Phenomenology · Physics 2014-03-11 Edmond L. Berger , Qing-Hong Cao , Chuan-Ren Chen , Hao Zhang

We calculate threshold soft-gluon corrections to total cross sections and transverse momentum distributions for bottom and charm quark production in fixed-target experiments, considering both pp and pi- p interactions. We investigate the…

High Energy Physics - Phenomenology · Physics 2014-12-10 Nikolaos Kidonakis , Ramona Vogt

We discuss the production of top--anti-top quark pairs in association with a hard jet at the Tevatron and at the LHC and we report on the calculation of the next-to-leading order QCD corrections to this process. Numerical results for the…

High Energy Physics - Phenomenology · Physics 2009-04-14 Stefan Dittmaier , Peter Uwer , Stefan Weinzierl

We present a detailed phenomenological study of the next-to-next-to-leading order (NNLO) QCD corrections for $t$-channel single top (anti-)quark production and its semi-leptonic decay at the CERN Large Hadron Collider (LHC). We find the…

High Energy Physics - Phenomenology · Physics 2020-04-02 Edmond L. Berger , Jun Gao , Hua Xing Zhu

I present the latest calculations of total and differential cross sections for top-antitop pair production and single top quark production via all main partonic channels. Higher-order corrections from the resummation of soft gluons are…

High Energy Physics - Phenomenology · Physics 2011-04-20 Nikolaos Kidonakis

We report on the calculation of the next-to-leading order QCD corrections to the production of ttbar pairs in association with two hard jets at the Fermilab TeVatron and CERN Large Hadron Collider. Results for the integrated and…

High Energy Physics - Phenomenology · Physics 2015-03-19 G. Bevilacqua , M. Czakon , C. G. Papadopoulos , M. Worek

Forward-backward asymmetries $A_{FB}^t$ and $A_{FB}^\ell$ are observed in the top quark $t$ rapidity distribution and in the rapidity distribution of charged leptons $\ell$ from top quark decay at the Tevatron proton-antiproton collider,…

High Energy Physics - Phenomenology · Physics 2013-01-23 Edmond L. Berger

We present the complete calculations of the forward-backward asymmetry ($A_{\rm FB}$) and the total cross section of top quark pair production induced by dimension-six four quark operators at the Tevatron up to…

High Energy Physics - Phenomenology · Physics 2015-05-28 Ding Yu Shao , Chong Sheng Li , Jian Wang , Jun Gao , Hao Zhang , Hua Xing Zhu

I present approximate results that include third-order soft-gluon corrections for the associated production of a single top quark with a $W$ boson. The calculation uses expressions from soft-gluon resummation at…

High Energy Physics - Phenomenology · Physics 2017-08-23 Nikolaos Kidonakis

We present theoretical predictions for top-quark total cross sections and for differential distributions in top-quark transverse momentum and rapidity. Third-order soft gluon corrections are added to the complete NNLO quantities to provide…

High Energy Physics - Phenomenology · Physics 2023-09-14 Nikolaos Kidonakis , Marco Guzzi , Alberto Tonero

The collider experiments at the Tevatron and the LHC will allow for detailed investigations of the properties of the top quark. This requires precise predictions of the hadronic production of $t\bar t$ pairs and of their subsequent decays.…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. Bernreuther , A. Brandenburg , Z. G. Si , P. Uwer

We report on the calculation of the next-to-leading order QCD corrections to the production of top--anti-top quark pairs in association with a hard jet at the Tevatron and at the LHC. We present results for the t tbar + jet cross section…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dittmaier , P. Uwer , S. Weinzierl

We present theoretical results for the associated production of a single top quark and a $Z$ boson ($tqZ$ production) at LHC energies. We calculate higher-order corrections from soft-gluon emission for this process. We compute the…

High Energy Physics - Phenomenology · Physics 2023-05-19 Nikolaos Kidonakis , Nodoka Yamanaka

We derive high-order threshold corrections for top quark production in hadronic collisions from resummation calculations. We present analytical expressions for the cross section through next-to-next-to-next-to-next-to-leading order (N^4LO)…

High Energy Physics - Phenomenology · Physics 2009-10-31 Nikolaos Kidonakis

I present higher-order corrections from soft-gluon emission for the associated production of a top quark with a $Z$ boson via anomalous $t$-$q$-$Z$ couplings at LHC energies. Approximate next-to-next-to-leading order (aNNLO)…

High Energy Physics - Phenomenology · Physics 2018-03-07 Nikolaos Kidonakis

We compute the next-to-next-to-leading order (NNLO) QCD correction to the total cross-section for the reaction gg \to t\bar t + X. Together with the partonic channels we computed previously, the result derived in this letter completes the…

High Energy Physics - Phenomenology · Physics 2013-08-06 Michal Czakon , Paul Fiedler , Alexander Mitov