English
Related papers

Related papers: Soft-gluon resummation for slepton-pair production…

200 papers

In this presentation we review recent results on the resummation of soft gluon emission corrections for the associated production of a top-quark pair with a heavy boson (Higgs/W/Z) at the Large Hadron Collider (LHC). We develop a parton…

High Energy Physics - Phenomenology · Physics 2018-01-23 Alessandro Broggio

I discuss the effectiveness of soft-gluon resummations in describing higher-order corrections. I present a comparison of recent resummation approaches and their relative successes in approximating complete NNLO corrections. I also discuss…

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

I discuss the effect of resummation of soft gluons in hadronic production of high mass systems, and in particular in heavy flavour production. I show that in widely used $x$-space resummation formulae, spurious terms that grow factorially…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Nason

The distribution of W and Z bosons produced with small transverse momentum (pt) at hadron colliders receives important contributions from large logarithms arising from soft gluon emission. Although conventionally the all-orders resummation…

High Energy Physics - Phenomenology · Physics 2009-01-07 Anna Kulesza , W. James Stirling

We report on the study of soft gluon effects in the production of squarks and gluinos at hadron colliders. Close to production threshold, the emission of soft gluon results in the appearence of large logarithmic corrections in the…

High Energy Physics - Phenomenology · Physics 2010-01-19 W. Beenakker , S. Brensing , M. Kraemer , A. Kulesza , E. Laenen , L. Motyka , I. Niessen

We perform a threshold resummation calculation for the associated production of squarks and electroweakinos at the LHC to the next-to-leading logarithmic (NLL) accuracy. Analytical results for the process-dependent soft anomalous dimension…

High Energy Physics - Phenomenology · Physics 2022-06-24 J. Fiaschi , B. Fuks , M. Klasen , A. Neuwirth

With a large integrated luminosity expected at the Tevatron, a next-to-leading order (NLO) calculation is no longer sufficient to describe the data which yield the precision measurement of $M_W$, etc. Thus, we extend the…

High Energy Physics - Phenomenology · Physics 2009-10-30 C. Balazs , C. -P. Yuan

We present the differential predictions for the rapidity distribution of a pair of leptons through the Drell-Yan (DY) process at the LHC taking into account the soft-virtual (SV) as well as next-to-soft virtual (NSV) resummation effects in…

High Energy Physics - Phenomenology · Physics 2023-06-07 A. H. Ajjath , Pooja Mukherjee , V. Ravindran , Aparna Sankar , Surabhi Tiwari

We consider soft gluon emission corrections to the production of a top-antitop pair in association with a W boson at the Large Hadron Collider. We obtain a soft-gluon resummation formula for this production process which is valid up to…

High Energy Physics - Phenomenology · Physics 2016-10-12 Alessandro Broggio , Andrea Ferroglia , Giovanni Ossola , Ben D. Pecjak

We derive a factorization formula for the production of pairs of heavy coloured particles in hadronic collisions near the production threshold that establishes factorization of soft and Coulomb effects. This forms the basis for a combined…

High Energy Physics - Phenomenology · Physics 2011-03-22 Martin Beneke , Pietro Falgari , Christian Schwinn

In the following we present our recent results on the resummation of soft gluon corrections to the $pp\rightarrow t\bar{t}H$ cross section at the LHC. The resummation was carried out at next-to-next-to-leading-logarithmic (NNLL) accuracy…

High Energy Physics - Phenomenology · Physics 2017-10-18 Anna Kulesza , Leszek Motyka , Tomasz Stebel , Vincent Theeuwes

In the following we present our results on resummation of invariant mass threshold corrections for the $2 \to 3$ type hadronic production processes in the Mellin moment space formalism. This method is applied to the associated Higgs boson…

High Energy Physics - Phenomenology · Physics 2016-09-07 Anna Kulesza , Leszek Motyka , Tomasz Stebel , Vincent Theeuwes

We examine the contributions of soft gluons to the Higgs production cross section at the LHC in the Standard Model and its minimal supersymmetric extension. The soft gluon radiation effects of this reaction share many features with the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Krämer , Eric Laenen , Michael Spira

We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Z boson at the Large Hadron Collider to next-to-next-to-leading logarithmic accuracy. By means of an in-house parton…

High Energy Physics - Phenomenology · Physics 2017-05-24 Alessandro Broggio , Andrea Ferroglia , Giovanni Ossola , Ben D. Pecjak , Ray D. Sameshima

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

We investigate threshold resummation of soft gluon corrections for the s-channel process of a single top quark production in association with a Higgs boson in the Standard Model. We choose to work in the three-particle invariant mass…

High Energy Physics - Phenomenology · Physics 2021-10-01 Anna Kulesza , Laura Moreno Valero , Vincent Theeuwes

We examine the impact of threshold resummation for the inclusive hadronic production cross section of gluino pairs at next-to-next-to-leading-logarithmic accuracy, compared to the exact next-to-leading-order cross section and the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Torsten Pfoh

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 study the effect of soft gluon emission in the hadroproduction of squark-antisquark and gluino-gluino pairs at the next-to-leading logarithmic (NLL) accuracy within the framework of the minimal supersymmetric model. The one-loop soft…

High Energy Physics - Phenomenology · Physics 2009-04-09 A. Kulesza , L. Motyka

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