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The first results on next-to-leading order QCD corrections to production of two $Z$ bosons in hadronic collisions in the extra dimension model of Randall and Sundrum are presented. Various kinematical distributions are obtained to order…

High Energy Physics - Phenomenology · Physics 2014-11-20 Neelima Agarwal , V. Ravindran , Vivek Kumar Tiwari , Anurag Tripathi

We discuss the impact of eligible top-quark pair production differential cross-section measurements at the LHC with a collision energy of 13 TeV on the parton distribution functions (PDFs) of the proton as well as the impact of approximate…

High Energy Physics - Phenomenology · Physics 2024-11-04 Alim Ablat , Sayipjamal Dulat , Marco Guzzi , Tie-Jiun Hou , Nikolaos Kidonakis , Ibrahim Sitiwaldi , Alberto Tonero , Keping Xie , C. -P. Yuan

I discuss single top quark production at the Tevatron and the LHC. The cross section, including soft-gluon threshold corrections through NNNLO, is presented for each partonic channel. The higher-order corrections provide significant…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nikolaos Kidonakis

If the minimal supersymmetric standard model at scales of around 1 TeV is realized in nature, the total top-squark pair production cross section should be measurable at the CERN Large Hadron Collider. In this work we present precise…

High Energy Physics - Phenomenology · Physics 2015-06-15 Alessandro Broggio , Andrea Ferroglia , Matthias Neubert , Leonardo Vernazza , Li Lin Yang

We present a calculation of the next-to-leading order QCD corrections to the partonic cross sections contributing to single-inclusive high-p_T hadron production in collisions of transversely polarized hadrons. We use a recently developed…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Mukherjee , M. Stratmann , W. Vogelsang

We present a calculation for single-inclusive large-p_T pion production in longitudinally polarized pp collisions in next-to-leading order QCD. We choose an approach where fully analytical expressions for the underlying partonic…

High Energy Physics - Phenomenology · Physics 2010-04-06 B. Jager , A. Schafer , M. Stratmann , W. Vogelsang

We consider Higgs boson production at hadron colliders in the gluon fusion channel and compute higher order terms in the regularization parameter $\epsilon$. In particular, the next-to-next-to-leading order cross section is evaluated…

High Energy Physics - Phenomenology · Physics 2015-06-12 Maik Höschele , Jens Hoff , Alexey Pak , Matthias Steinhauser , Takahiro Ueda

We review theoretical calculations for top-quark production that include complete next-to-leading-order QCD corrections as well as higher-order soft-gluon corrections from threshold resummation. We discuss in detail the differences between…

High Energy Physics - Phenomenology · Physics 2015-05-30 Nikolaos Kidonakis , Ben D. Pecjak

We consider the production of $Z\gamma$ pairs at hadron colliders. We report on the first complete and fully differential computation of radiative corrections at next-to-next-to-leading order in QCD perturbation theory. We present selected…

High Energy Physics - Phenomenology · Physics 2015-06-17 M. Grazzini , S. Kallweit , D. Rathlev , A. Torre

We calculate the next-to-leading order QCD corrections to the `direct' part of the spin-dependent cross section for single-inclusive charged-hadron photoproduction. This process could be studied experimentally in future polarized…

High Energy Physics - Phenomenology · Physics 2011-07-19 D. de Florian , W. Vogelsang

This paper describes the calculation of the next-to-leading order (NLO) QCD corrections to massive color-octet vector boson pair production at hadron colliders. As a concrete framework, a two-site coloron model with an internal parity is…

High Energy Physics - Phenomenology · Physics 2018-02-27 Ayres Freitas , Daniel Wiegand

This work studies the associated production of a top-quark pair with a $W$, $Z$, or Higgs boson at the LHC. Predictions for the total cross sections as well as for several differential distributions of the massive particles in the final…

High Energy Physics - Phenomenology · Physics 2019-09-04 Alessandro Broggio , Andrea Ferroglia , Rikkert Frederix , Davide Pagani , Benjamin D. Pecjak , Ioannis Tsinikos

The Higgs boson pair production via gluon fusion at high-energy hadron colliders, such as the LHC, is vital in deciphering the Higgs potential and in pinning down the electroweak symmetry breaking mechanism. We carry out the…

High Energy Physics - Phenomenology · Physics 2020-03-16 Long-Bin Chen , Hai Tao Li , Hua-Sheng Shao , Jian Wang

We study bound-state effects on the pair production of gluinos at hadron colliders, in a context of the minimal supersymmetric extension of the standard model. Due to the expected large mass and the octet color-charge of gluinos, the…

High Energy Physics - Phenomenology · Physics 2009-12-07 Kaoru Hagiwara , Hiroshi Yokoya

We describe predictions for top-quark pair differential distributions at hadron colliders, which combine state-of-the-art NNLO QCD calculations and NLO electroweak corrections together with double resummation at NNLL$'$ accuracy of…

We summarize our calculation of the total cross section for top quark production at hadron colliders within the context of perturbative quantum chromodynamics, including resummation of the effects of initial-state soft gluon radiation to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Edmond L. Berger , Harry Contopanagos

We compute theoretical predictions for the production of a W-boson in association with a bottom-quark pair at hadron colliders at next-to-next-to-leading order (NNLO) in QCD, including the leptonic decay of the W-boson, while treating the…

High Energy Physics - Phenomenology · Physics 2022-05-17 Heribertus Bayu Hartanto , Rene Poncelet , Andrei Popescu , Simone Zoia

We calculate the next-to-leading order inclusive total cross sections for the associated production processes $pp\to \tilde{t}_i\tilde{\chi}_k^-+X$ in the Minimal Supersymmetric Standard Model at the CERN LHC. Our results provide the…

High Energy Physics - Phenomenology · Physics 2009-12-17 Li Gang Jin , Chong Sheng Li , Jian Jun Liu

We present the first complete next-to-next-to-leading order (NNLO) QCD predictions for differential distributions in the top-quark pair production process at the LHC. Our results are derived from a fully differential partonic Monte Carlo…

High Energy Physics - Phenomenology · Physics 2016-03-17 Michal Czakon , David Heymes , Alexander Mitov

We argue that the collinear factorization of the fragmentation functions in high energy hadron and nuclei collisions breaks down at transverse momenta kT < Qs/g due to high parton densities in the colliding hadrons and/or nuclei. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yang Li , Kirill Tuchin