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We present threshold enhanced QCD corrections to rapidity distributions of di-leptons in the Drell-Yan process and of Higgs particles in both gluon fusion and bottom quark annihilation processes using Sudakov resummed cross sections. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Ravindran , J. Smith , W. L. van Neerven

We present threshold enhanced N$^3$LO QCD corrections to inclusive Higgs production through bottom anti-bottom annihilation at hadron colliders using threshold resummed cross section. The resummed cross section is obtained using…

High Energy Physics - Phenomenology · Physics 2015-06-22 Taushif Ahmed , Narayan Rana , V. Ravindran

We present threshold enhanced QCD corrections to the bottom quark energy distribution in Higgs boson decay and to hadroproduction in $l^+l^-$ annihilation beyond leading order in the strong coupling constant. This is achieved using the…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Blümlein , V. Ravindran

We summarize our recent results on the resummation of hard-scattering coefficient functions and on-shell form factors in massless perturbative QCD. The threshold resummation has been extended to the fourth logarithmic order for…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Moch , A. Vogt , J. Vermaseren

We present the most precise value for the Higgs boson cross-section in the gluon-fusion production mode at the LHC. Our result is based on a perturbative expansion through N$^3$LO in QCD, in an effective theory where the top-quark is…

An approximate expression for the inclusive Higgs production cross section in gluon fusion at NNNLO in QCD with finite top mass is presented. We argue that an accurate approximation can be constructed combining (and improving) the large-…

High Energy Physics - Phenomenology · Physics 2015-06-16 Marco Bonvini

We study the threshold effect for neutral and charged Drell-Yan productions, associated production of Higgs boson with a massive vector boson and Higgs production in bottom quark annihilation at LHC to the third order in QCD. Using the…

High Energy Physics - Phenomenology · Physics 2023-03-10 Goutam Das , Chinmoy Dey , M. C. Kumar , Kajal Samanta

We present the threshold N$^3$LO perturbative QCD corrections to the rapidity distributions of dileptons in the Drell-Yan process and Higgs boson in gluon fusion. Sudakov resummation of QCD amplitudes, renormalization group invariance, and…

High Energy Physics - Phenomenology · Physics 2014-12-12 Taushif Ahmed , M. K. Mandal , Narayan Rana , V. Ravindran

We investigate the QCD effects in the production of neutral Higgs bosons via bottom quark fusion in both the standard model and the minimal supersymmetric standard model at the CERN Large Hadron Collider. We include the next-to-leading…

High Energy Physics - Phenomenology · Physics 2014-11-18 Hua Xing Zhu , Chong Sheng Li , Jia Jun Zhang , Hao Zhang , Zhao Li

We present a new release of the program iHixs. This easy-to-use tool allows to derive state of the art predictions for the inclusive production cross section of a Higgs boson at hadron colliders in the gluon fusion production mode. This…

High Energy Physics - Phenomenology · Physics 2018-09-26 Falko Dulat , Achilleas Lazopoulos , Bernhard Mistlberger

A computation of inclusive cross sections for neutral Higgs boson production through gluon fusion and bottom-quark annihilation is presented in the MSSM with complex parameters. The predictions for the gluon-fusion process are based on an…

High Energy Physics - Phenomenology · Physics 2017-11-07 Stefan Liebler , Shruti Patel , Georg Weiglein

We investigate the resummation effects in the Standard Model Higgs boson pair production through gluon-gluon fusion at the LHC with soft-collinear effective theory. We calculate the total cross section and the invariant mass distribution at…

High Energy Physics - Phenomenology · Physics 2013-08-01 Ding Yu Shao , Chong Sheng Li , Hai Tao Li , Jian Wang

We investigate the threshold-enhanced QCD corrections to the cross sections for direct top quark productions induced by model-independent flavor changing neutral current couplings at hadron colliders. We use the soft-collinear effective…

High Energy Physics - Phenomenology · Physics 2008-11-26 Li Lin Yang , Chong Sheng Li , Yang Gao , Jian Jun Liu

Gluon-induced processes such as Higgs production typically exhibit large perturbative corrections. These partially arise from large virtual corrections to the gluon form factor, which at timelike momentum transfer contains Sudakov…

High Energy Physics - Phenomenology · Physics 2017-07-07 Markus A. Ebert , Johannes K. L. Michel , Frank J. Tackmann

We consider QCD radiative corrections to the production of colourless high-mass systems in hadron collisions. We show that the recent computation of the soft-virtual corrections to Higgs boson production at N$^3$LO [1] together with the…

High Energy Physics - Phenomenology · Physics 2015-06-19 S. Catani , L. Cieri , D. de Florian , G. Ferrera , M. Grazzini

We present precise results for the $ZH$ production cross-section and invariant mass distribution at the LHC, taking into account the effects of the leading and sub-leading soft gluons. We improve both quark-initiated and gluon-initiated…

High Energy Physics - Phenomenology · Physics 2026-03-09 Goutam Das , Chinmoy Dey , M. C. Kumar , Kajal Samanta

We present precise results for the inclusive Higgs boson cross-section in gluon-gluon fusion at the LHC considering state-of-the-art fourth-order results in perturbative QCD arising from the dominant soft and virtual gluon emissions.…

High Energy Physics - Phenomenology · Physics 2026-01-28 Goutam Das , Sven-Olaf Moch

We present an estimate of the next-to-leading order QCD corrections to mixed QCD-electroweak contribution to Higgs boson production cross section in gluon fusion, combining the recently computed three-loop virtual corrections and the…

High Energy Physics - Phenomenology · Physics 2018-04-20 Marco Bonetti , Kirill Melnikov , Lorenzo Tancredi

The dominant production process for heavy charged Higgs bosons at the LHC is the associated production with heavy quarks. We have calculated the next-to-leading-order supersymmetric QCD corrections to charged-Higgs production through the…

High Energy Physics - Phenomenology · Physics 2011-03-21 Stefan Dittmaier , Michael Krämer , Michael Spira , Manuel Walser

This thesis arises in the context of precision measurements at hadron colliders. The Tevatron and the LHC provide very accurate measurements of many Standard Model processes, such as the production of a lepton pair (Drell-Yan) of high…

High Energy Physics - Phenomenology · Physics 2012-12-04 Marco Bonvini
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