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Title: Color-singlet production at NNLO in MCFM

Abstract

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.

Authors:
; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1337761
Alternate Identifier(s):
OSTI ID: 1294434
Report Number(s):
FERMILAB-PUB-16-120-T; IPPP-16-32; arXiv:1605.08011
Journal ID: ISSN 1434-6044; 7; PII: 4558
Grant/Contract Number:  
AC02-06CH11357; AC02-07CH11359; FG02-91ER40684; FG02-93ER-40762
Resource Type:
Published Article
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Name: European Physical Journal. C, Particles and Fields Journal Volume: 77 Journal Issue: 1; Journal ID: ISSN 1434-6044
Publisher:
Springer Science + Business Media
Country of Publication:
Germany
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Boughezal, Radja, Campbell, John M., Ellis, R. Keith, Focke, Christfried, Giele, Walter, Liu, Xiaohui, Petriello, Frank, and Williams, Ciaran. Color-singlet production at NNLO in MCFM. Germany: N. p., 2016. Web. doi:10.1140/epjc/s10052-016-4558-y.
Boughezal, Radja, Campbell, John M., Ellis, R. Keith, Focke, Christfried, Giele, Walter, Liu, Xiaohui, Petriello, Frank, & Williams, Ciaran. Color-singlet production at NNLO in MCFM. Germany. https://doi.org/10.1140/epjc/s10052-016-4558-y
Boughezal, Radja, Campbell, John M., Ellis, R. Keith, Focke, Christfried, Giele, Walter, Liu, Xiaohui, Petriello, Frank, and Williams, Ciaran. Fri . "Color-singlet production at NNLO in MCFM". Germany. https://doi.org/10.1140/epjc/s10052-016-4558-y.
@article{osti_1337761,
title = {Color-singlet production at NNLO in MCFM},
author = {Boughezal, Radja and Campbell, John M. and Ellis, R. Keith and Focke, Christfried and Giele, Walter and Liu, Xiaohui and Petriello, Frank and Williams, Ciaran},
abstractNote = {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.},
doi = {10.1140/epjc/s10052-016-4558-y},
journal = {European Physical Journal. C, Particles and Fields},
number = 1,
volume = 77,
place = {Germany},
year = {Fri Dec 30 00:00:00 EST 2016},
month = {Fri Dec 30 00:00:00 EST 2016}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1140/epjc/s10052-016-4558-y

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Cited by: 150 works
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