Spin polarisation of tt¯γγ production at NLO+PS with GoSam interfaced to MadGraph5_aMC@NLO

van Deurzen, Hans; Frederix, Rikkert; Hirschi, Valentin; Luisoni, Gionata; Mastrolia, Pierpaolo; Ossola, Giovanni

doi:10.1140/epjc/s10052-016-4048-2

Title: Spin polarisation of tt¯γγ production at NLO+PS with GoSam interfaced to MadGraph5_aMC@NLO

Journal Article · Fri Apr 22 00:00:00 EDT 2016 · European Physical Journal. C, Particles and Fields

DOI:https://doi.org/10.1140/epjc/s10052-016-4048-2· OSTI ID:1257743

van Deurzen, Hans ^[1]; Frederix, Rikkert ^[2]; Hirschi, Valentin ^[3]; Luisoni, Gionata ^[1]; Mastrolia, Pierpaolo ^[4]; Ossola, Giovanni ^[5]

Max-Planck-Institut fur Physik, Munchen (Germany)
Technische Univ., Munchen, Garching (Germany)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Max-Planck-Institut fur Physik, Munchen (Germany); Univ. di Padova and INFN Sezione di Padova, Padova (Italy)
New York City College of Technology, City Univ. of New York, Brooklyn, NY (United States); City Univ. of New York, New York, NY (United States)

Here, we present an interface between the multipurpose Monte Carlo tool MadGraph5_aMC@NLO and the automated amplitude generator GoSam. As a first application of this novel framework, we compute the NLO corrections to pp→ tt¯H and pp→ tt¯γγ matched to a parton shower. In the phenomenological analyses of these processes, we focus our attention on observables which are sensitive to the polarisation of the top quarks.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1257743

Report Number(s):: SLAC-PUB-16555

Journal Information:: European Physical Journal. C, Particles and Fields, Vol. 78, Issue 4; ISSN 1434-6044

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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