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Title: Color-singlet production at NNLO in MCFM

Journal Article · · European Physical Journal. C, Particles and Fields

We present the implementation of several color-singlet final-state processes at Next-to-Next-to Leading Order (NNLO) accuracy in QCD to the publicly available parton-level Monte Carlo program MCFM. Specifically we discuss the processes $$pp\rightarrow H$$, $$pp\rightarrow Z$$, $$pp\rightarrow W$$, $$pp\rightarrow HZ$$, $$pp\rightarrow HW$$ and $$pp\rightarrow\gamma\gamma$$. Decays of the unstable bosons are fully included, resulting in a flexible fully differential Monte Carlo code. The NNLO corrections have been calculated using the non-local $$N$$-jettiness subtraction approach. Special attention is given to the numerical aspects of running MCFM for these processes at this order. Here, we pay particular attention to the systematic uncertainties due to the power corrections induced by the $$N$$-jettiness regularization scheme and the evaluation time needed to run the hybrid openMP/MPI version of MCFM at NNLO on multi-processor systems.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-06CH11357; AC02-07CH11359; FG02-91ER40684; FG02-93ER-40762
OSTI ID:
1337761
Alternate ID(s):
OSTI ID: 1294434
Report Number(s):
FERMILAB-PUB-16-120-T; IPPP-16-32; arXiv:1605.08011; 7; PII: 4558
Journal Information:
European Physical Journal. C, Particles and Fields, Journal Name: European Physical Journal. C, Particles and Fields Vol. 77 Journal Issue: 1; ISSN 1434-6044
Publisher:
Springer Science + Business MediaCopyright Statement
Country of Publication:
Germany
Language:
English
Citation Metrics:
Cited by: 150 works
Citation information provided by
Web of Science

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  • Grazzini, Massimiliano; Kallweit, Stefan; Rathlev, Dirk
  • Proceedings of 12th International Symposium on Radiative Corrections (Radcor 2015) and LoopFest XIV (Radiative Corrections for the LHC and Future Colliders) — PoS(RADCOR2015) https://doi.org/10.22323/1.235.0074
conference June 2017
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