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Top-pair production at hadron colliders with next-to-next-to-leading logarithmic soft-gluon resummation

Matteo Cacciari, +6 more
- 20 Apr 2012 - 
- Vol. 710, Iss: 4, pp 612-622
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TLDR
In this paper, soft-gluon corrections to the total t t ¯ cross-section at hadron colliders at the next to next-to-leading logarithmic (NNLL) order were performed.
About: 
This article is published in Physics Letters B.The article was published on 2012-04-20 and is currently open access. It has received 622 citations till now. The article focuses on the topics: Resummation.

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Measurement of the t(t)over-bar production cross section in the tau plus jets channel using the ATLAS detector

Georges Aad, +2883 more
- 02 Mar 2013 - 
TL;DR: In this article, a measurement of the top quark pair production cross section in the final state with a hadronically decaying tau lepton and jets is presented, based on proton-proton collision data recorded by the ATLAS experiment at the LHC, with a centre-of-mass energy of 7 TeV.
Journal ArticleDOI

Loop Induced Single Top Partner Production and Decay at the LHC

Jeong Han Kim, +1 more
- 16 Mar 2018 - 
TL;DR: In this article, the authors study the signature of the top partner produced in association with the SM top, and show that with reasonable coupling strengths, the production rate of this channel can dominate top partner pair production at top partner masses of mT ≳ 1.5 TeV.
Journal ArticleDOI

Search for supersymmetry in the multijet and missing transverse momentum final state in pp collisions at 13 TeV

Khachatryan, +98 more
- 10 Jul 2016 - 
TL;DR: In this paper, it was shown that one possible signal that we can search for is characterized by significant missing energy and a large number of jets in the final state of the SUSY particle.
Journal ArticleDOI

Measurement of the Drell-Yan triple-differential cross section in pp collisions at √{s}=8 TeV

Morad Aaboud, +2957 more
- 16 Oct 2017 - 
TL;DR: In this paper, the triple-differential cross section for the Drell-Yan process was measured for invariant masses of the lepton pairs, m$_{ll}$, between 46 and 200 GeV using a sample of 20.2 fb$−1}$ of pp collisions data at a centre-of-mass energy of $ \sqrt{s}=8 $ TeV collected by the ATLAS detector at the LHC in 2012.
Journal ArticleDOI

Testing radiative neutrino mass models at the LHC

Yi Cai, +3 more
- 25 Feb 2015 - 
Abstract: The Large Hadron Collider provides us new opportunities to search for the origin of neutrino mass. Beyond the minimal see-saw models a plethora of models exist which realise neutrino mass at tree- or loop-level, and it is important to be sure that these possibilities are satisfactorily covered by searches. The purpose of this paper is to advance a systematic approach to this problem. Majorana neutrino mass models can be organised by SM-gauge-invariant operators which violate lepton number by two units. In this paper we write down the minimal ultraviolet completions for all of the mass-dimension 7 operators. We predict vector-like quarks, vector-like leptons, scalar leptoquarks, a charged scalar, a scalar doublet, and a scalar quadruplet, whose properties are constrained by neutrino oscillation data. A detailed collider study is presented for $$ {\mathcal{O}}_3=LLQ\overline{d}H $$ and $$ {\mathcal{O}}_8=L\overline{d}{\overline{e}}^{\dagger }{\overline{u}}^{\dagger }H $$ completions with a vector-like quark $$ \chi \sim \left(3,2,-\frac{5}{6}\right) $$ and a leptoquark $$ \phi \sim \left(\overline{3},1,\frac{1}{3}\right) $$ . The existing LHC limits extracted from searches for vector-like fermions and sbottoms/stops are m χ ≳ 620 GeV and m ϕ ≳ 600 GeV.
References
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Parton distributions for the LHC

Alan D. Martin, +3 more
- 04 Jul 2009 - 
TL;DR: In this paper, the authors presented an updated leading-order, next-to-leading order and next-next-ordering order parton distribution function (MSTW 2008) determined from global analysis of hard-scattering data within the standard framework of leading-twist fixed-order collinear factorisation in the $\overline{\mathrm{MS}}$¯¯$¯¯¯¯¯
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New parton distributions for collider physics

H. L. Lai, +7 more
- 26 Oct 2010 - 
TL;DR: In this article, the authors extract new parton distribution functions (PDFs) of the proton by global analysis of hard scattering data in the general-mass framework of perturbative quantum chromodynamics.
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The Three-loop splitting functions in QCD: The Singlet case

Andreas Vogt, +2 more
- 07 Jun 2004 - 
TL;DR: In this article, the authors compute the next-to-next-toleading order (NNLO) contributions to the three splitting functions governing the evolution of unpolarized non-singlet combinations of quark densities in perturbative QCD.
Journal ArticleDOI

Top++: a program for the calculation of the top-pair cross-section at hadron colliders

Michal Czakon, +1 more
- 01 Nov 2014 - 
TL;DR: The program Top++ calculates the cross-section in (a) fixed order approach with exact next-to-next-to leading order (NNLO) accuracy and (b) by including soft-gluon resummation for the hadronic cross- section in Mellin space with full next- to-next -to-leading logarithmic (NNLL) accuracy.
Journal ArticleDOI

The total cross section for the production of heavy quarks in hadronic collisions

Paolo Nason, +2 more
- 11 Jul 1988 - 
TL;DR: In this paper, the authors present the results of a full calculation of the QCD O(a$) radiative corrections to the total cross-aection for the production of a heavy quark pair.
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