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We study the uncertainties of the Higgs boson production cross section through the gluon fusion subprocess at the LHC (with $\sqrt s=7, 8$ and $14$ TeV) arising from the uncertainties of the parton distribution functions (PDFs) and of the…

High Energy Physics - Phenomenology · Physics 2014-08-21 Sayipjamal Dulat , Tie-Jiun Hou , Jun Gao , Joey Huston , Pavel Nadolsky , Jon Pumplin , Carl Schmidt , Daniel Stump , C. -P. Yuan

The fully differential computation of the hadronic production cross section of a Higgs boson via bottom quarks is presented at NNLO in QCD. Several differential distributions with their corresponding scale uncertainties are presented for…

High Energy Physics - Phenomenology · Physics 2012-07-25 Stephan Buehler , Franz Herzog , Achilleas Lazopoulos , Romain Mueller

The evaluation of the top quark mass suppressed terms to the Higgs production cross section in gluon fusion at next-to-next-to-leading order is reported on. In the region below threshold, the Feynman diagrams are evaluated using asymptotic…

High Energy Physics - Phenomenology · Physics 2010-01-19 Robert Harlander , Hendrik Mantler , Simone Marzani , Kemal Ozeren

For the p-air production cross-section, we use a Glauber formalism which inputs the pp inelastic cross-section from a mini-jet model embedded in a single-channel eikonal expression, which provides the needed contribution of uncorrelated…

High Energy Physics - Phenomenology · Physics 2015-06-22 D. A. Fagundes , A. Grau , G. Pancheri , Y. N. Srivastava , O. Shekhovtsova

Boson-boson scattering and Higgs production in boson-boson fusion hold the key to electroweak symmetry breaking. In order to analyze these essential features of the Standard Model we have performed a partonic level study of all processes…

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Accomando , A. Ballestrero , S. Bolognesi , E. Maina , C. Mariotti

We report on a calculation of the cross-section for Higgs boson production in gluon fusion in association with a hadronic jet at next-to-next-to-leading order (NNLO) in perturbative QCD. The computational technique is discussed in detail.…

High Energy Physics - Phenomenology · Physics 2015-06-15 Radja Boughezal , Fabrizio Caola , Kirill Melnikov , Frank Petriello , Markus Schulze

We consider Standard Model Higgs boson production through gluon--gluon fusion in hadron collisions. We combine the calculation of the next-to-next-to-leading order QCD corrections to the inclusive cross section with the resummation of…

High Energy Physics - Phenomenology · Physics 2015-06-04 D. de Florian , G. Ferrera , M. Grazzini , D. Tommasini

Differential cross section measurements of the associated production of top quark and b quark pairs, $\text{t}\bar{\text{t}}\text{b}\bar{\text{b}}$, are presented. The results are based on data from proton-proton collisions collected by the…

High Energy Physics - Experiment · Physics 2024-01-15 Emanuel Pfeffer

We study soft-gluon corrections for the associated production of a single top quark and a $Z$ boson ($tqZ$ production) at hadron colliders. We find that the radiative corrections are dominated by soft-gluon emission. We calculate the…

High Energy Physics - Phenomenology · Physics 2023-02-21 Nikolaos Kidonakis , Nodoka Yamanaka

Ultra-peripheral collisions of heavy ions provide a unique environment to study the gluon structure of nuclei through photon-induced reactions. In particular, the incoherent photoproduction of J/$\psi$ vector meson is sensitive to…

Nuclear Experiment · Physics 2025-10-14 Vendulka Humlová

A truncated BFKL series is studied and applied to hadronic processes. The proton-(anti)proton cross sections are described with good agreement with data and in a way consistent with the unitarity bound. The elastic scattering amplitude is…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. B. Gay Ducati , M. V. T. Machado

In the present work we study the predictions for $WZ$ and $ZZ$ production at LHC with the Electroweak Chiral Lagrangian (EChL) approach. Our analysis will be focused on the less favored case from the experimental point of view, in which the…

High Energy Physics - Phenomenology · Physics 2016-09-01 A. Dobado , M. J. Herrero , J. R. Pelaez , E. Ruiz Morales , M. T. Urdiales

Inclusive cross sections for Higgs boson production in proton-proton collisions are calculated in the formalism of unintegrated gluon distributions (UGDF). Different UGDF from the literature are used. Although they were constructed in order…

High Energy Physics - Phenomenology · Physics 2009-01-07 Marta Luszczak , Antoni Szczurek

Differential measurements of Higgs boson production in the $\tau$-lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), $VH$ and $t\bar{t}H$ associated production modes, with particular focus on the VBF…

High Energy Physics - Experiment · Physics 2025-03-10 ATLAS Collaboration

We study the effects of gluon interference in the production and semi-leptonic decay of a t-tbar pair above threshold at the Next Linear Collider (NLC). We calculate all matrix elements to next-to-leading order and use the resulting…

High Energy Physics - Phenomenology · Physics 2009-10-31 George Siopsis

We review the recent progress in studying the anomalous electroweak quartic gauge boson couplings (QGBCs) at the LHC and the next generation high energy e+-e- linear colliders (LCs). The main focus is put onto the strong electroweak…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. -J. He

We report on the calculation of the next-lo-leading order QCD corrections to Higgs boson production and decay in association with top quarks. We consider leptonic decays of top quarks leading to the hadronic process $pp\to e^+\nu_e\,…

High Energy Physics - Phenomenology · Physics 2022-03-01 Daniel Stremmer , Malgorzata Worek

The production cross--section and distributions of the top quark are sensitive to new physics, e.g., the $t\overline{t}$ system can be a probe of new resonances or gauge bosons that are strongly coupled to the top quark, in analogy to…

High Energy Physics - Phenomenology · Physics 2011-05-05 Christopher T. Hill , Stephen J. Parke

We present the Higgs boson production cross section at Hadron colliders in the gluon fusion production mode through N3LO in perturbative QCD. Specifically, we work in an effective theory where the top quark is assumed to be infinitely heavy…

High Energy Physics - Phenomenology · Physics 2018-05-23 Bernhard Mistlberger

Within the Minimal Supersymmetric Standard Model (MSSM), we study the production of the neutral scalar and pseudoscalar as well as the charged Higgs bosons together with fermions or sfermions in deep inelastic $ep$ scattering at…

High Energy Physics - Phenomenology · Physics 2009-10-28 F. Franke , T. Woehrmann
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