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We compute the next-to-leading-order (NLO) QCD corrections to the Higgs pT distribution in Higgs production in association with a jet via gluon fusion at the LHC, with exact dependence on the mass of the quark circulating in the heavy-quark…

High Energy Physics - Phenomenology · Physics 2023-07-19 R. Bonciani , V. Del Duca , H. Frellesvig , M. Hidding , V. Hirschi , F. Moriello , G. Salvatori , G. Somogyi , F. Tramontano

We compute the gluon transverse-momentum-dependent fragmentation function (TMDFF) at next-to-leading order (NLO) into heavy quarkonium in the color-octet $^3S_1^{[8]}$ channel, based on the NRQCD factorization approach. The spurious…

High Energy Physics - Phenomenology · Physics 2024-01-02 Miguel G. Echevarria , Samuel F. Romera , Ignazio Scimemi

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

Within the framework of a high-twist approach, we calculate the next-to-leading order (NLO) perturbative QCD corrections to the transverse momentum broadening in semi-inclusive hadron production in deeply inelastic $e+A$ collisions, as well…

High Energy Physics - Phenomenology · Physics 2014-03-19 Zhong-Bo Kang , Enke Wang , Xin-Nian Wang , Hongxi Xing

We propose a new approach to the resummation of the transverse-momentum distribution of a high-mass colour-singlet system in hadronic collisions. The resummation is performed in momentum space and is free of kinematic singularities at small…

High Energy Physics - Phenomenology · Physics 2016-06-22 Pier Francesco Monni , Emanuele Re , Paolo Torrielli

Multi-jet rates at hadron colliders provide a unique possibility for probing Quantum Chromodynamics (QCD), the theory of strong interactions. By comparing theory predictions with collider data, one can directly test perturbative QCD,…

High Energy Physics - Phenomenology · Physics 2022-08-30 Michal Czakon , Alexander Mitov , Rene Poncelet

We gauge the impact of soft-gluon resummation on quark distributions by performing a simple fit of Deep Inelastic Scattering structure function data using next-to-leading order (NLO) and next-to-leading-logarithmic (NLL)-resummed…

High Energy Physics - Phenomenology · Physics 2009-11-11 Gennaro Corcella , Lorenzo Magnea

We examine properties of small-radius jets, focusing on phenomenological applications to the inclusive jet spectrum. We match fixed-order calculations with the leading-logarithmic resummation of the jet radius (LL$_R$), and propose a new…

High Energy Physics - Phenomenology · Physics 2016-06-13 Frédéric A. Dreyer

Jet identification is one of the fields in high energy physics that machine learning has begun to make an impact. More often than not, convolutional neural networks are used to classify jet images with the benefit that essentially no…

High Energy Physics - Phenomenology · Physics 2019-05-16 Hui Luo , Ming-xing Luo , Kai Wang , Tao Xu , Guohuai Zhu

A detailed study of nucleon parton distribution functions is performed within a radiative Next-to-Next-to Leading Order (NNLO) parton model whose low-scale input is rigidly described by wave functions which include quarks and dressing…

High Energy Physics - Phenomenology · Physics 2014-02-26 Marco Traini

The next-to-leading order (NLO) corrections to the BFKL equation in the BLM optimal scale setting are briefly discussed. A striking feature of the BLM approach is rather weak Q^2-dependence of the Pomeron intercept, which might indicate an…

High Energy Physics - Phenomenology · Physics 2016-11-23 Victor T. Kim , Lev N. Lipatov , Grigorii B. Pivovarov

We consider the transverse-momentum ($p_T$) distribution of $ZZ$ and $W^+W^-$ boson pairs produced in hadron collisions. At small $p_T$, the logarithmically enhanced contributions due to multiple soft-gluon emission are resummed to all…

High Energy Physics - Phenomenology · Physics 2015-09-03 Massimiliano Grazzini , Stefan Kallweit , Dirk Rathlev , Marius Wiesemann

We calculate resummed perturbative predictions for gaps-between-jets processes and compare to HERA data. Our calculation of this non-global observable needs to include the effects of primary gluon emission (global logarithms) and secondary…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. B. Appleby , M. H. Seymour

We present the first calculation of inclusive jet production in deep-inelastic scattering with approximate next-to-next-to-leading order (aNNLO) contributions, obtained from a unified threshold resummation formalism. The leading…

High Energy Physics - Phenomenology · Physics 2015-11-04 T. Biekötter , M. Klasen , G. Kramer

If supersymmetry near the TeV scale is realized in Nature, the pair production of scalar top squarks is expected to be observable at the Large Hadron Collider. Recently, effective field-theory methods were employed to obtain approximate…

High Energy Physics - Phenomenology · Physics 2015-06-18 Alessandro Broggio , Andrea Ferroglia , Matthias Neubert , Leonardo Vernazza , Li Lin Yang

We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at the Large Hadron Collider. Starting from a soft-gluon resummation formula derived in previous work, we…

High Energy Physics - Phenomenology · Physics 2017-03-08 Alessandro Broggio , Andrea Ferroglia , Ben D. Pecjak , Li Lin Yang

The soft-gluon resummation exponents G^N in moment space are investigated for the quark coefficient functions in deep-inelastic structure functions and the quark-antiquark contribution to the Drell-Yan cross section dsigma/dM. Employing…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Vogt

We study the production of an electroweak boson in association with jets, in processes where the jet with the highest transverse momentum is identified as quark-initiated. The quark/gluon tagging procedure is realised by a cut on a jet…

High Energy Physics - Phenomenology · Physics 2021-09-28 Simone Caletti , Oleh Fedkevych , Simone Marzani , Daniel Reichelt

We consider soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at hadron colliders. In particular, we present a soft-gluon resummation formula for this production process and gather all…

High Energy Physics - Phenomenology · Physics 2016-04-20 Alessandro Broggio , Andrea Ferroglia , Ben D. Pecjak , Adrian Signer , Li Lin Yang

The next-to-leading order (NLO) corrections to the BFKL equation in the BLM optimal scale setting are briefly discussed. A striking feature of the BLM approach is rather weak Q^2-dependence of the Pomeron intercept, which might indicate an…

High Energy Physics - Phenomenology · Physics 2007-05-23 Victor T. Kim , Lev N. Lipatov , Grigorii B. Pivovarov
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