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Title: Predictions for diphoton production at the LHC through NNLO in QCD

Journal Article · · Journal of High Energy Physics (Online)

In this paper we present a next-to-next-to-leading order (NNLO) calculation of the process $$pp\rightarrow \gamma\gamma$$ that we have implemented into the parton level Monte Carlo code MCFM. We do not find agreement with the previous calculation of this process in the literature. In addition to the $$\mathcal{O}(\alpha_s^2)$$ corrections present at NNLO, we include some effects arising at $$\mathcal{O}(\alpha_s^3)$$, namely those associated with gluon-initiated closed fermion loops. We investigate the role of this process in the context of studies of QCD at colliders and as a background for searches for new physics, paying particular attention to the diphoton invariant mass spectrum. We demonstrate that the NNLO QCD prediction for the shape of this spectrum agrees well with functional forms used in recent data-driven fits.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1280861
Report Number(s):
IPPP-16-16; FERMILAB-PUB-16-074-T; arXiv:1603.02663; 1426698
Journal Information:
Journal of High Energy Physics (Online), Vol. 1607; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 76 works
Citation information provided by
Web of Science

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NNLO QCD corrections to jet production at hadron colliders from gluon scattering text January 2014
Precise QCD predictions for the production of Higgs + jet final states text January 2015
$ZZ$ production at the LHC: Fiducial cross sections and distributions in NNLO QCD text January 2015
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Photon isolation effects at NLO in γγ+jet final states in hadronic collisions text January 2013
Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC text January 2018
Parton distributions for the LHC text January 2007
Zγ production at hadron colliders in NNLO QCD text January 2014
Universality of transverse-momentum resummation and hard factors at the NNLO text January 2014
S@M, a mathematica implementation of the spinor-helicity formalism text January 2008
Event generation with SHERPA 1.1 text January 2009
Scattering amplitudes with open loops text January 2012
Two-loop soft corrections and resummation of the thrust distribution in the dijet region text January 2011
Scalar one-loop integrals for QCD text January 2007
Masses, fermions and generalized D-dimensional unitarity text January 2008
Parton distributions for the LHC text January 2009
Infrared singularities of scattering amplitudes in perturbative QCD text January 2009
On the Structure of Infrared Singularities of Gauge-Theory Amplitudes text January 2009
A novel subtraction scheme for double-real radiation at NNLO text January 2010
Higgs Production with a Central Jet Veto at NNLL+NNLO text January 2010
Vector boson pair production at the LHC text January 2011
Two-Loop Soft Corrections and Resummation of the Thrust Distribution in the Dijet Region text January 2011
Top-Quark Decay at Next-to-Next-to-Leading Order in QCD text January 2012
ZZ production at hadron colliders in NNLO QCD text January 2014
Precise QCD predictions for the production of Higgs+jet final states text January 2014
A Multi-Threaded Version of MCFM preprint January 2015
$W$-boson production in association with a jet at next-to-next-to-leading order in perturbative QCD text January 2015
Higgs boson production in association with a jet at next-to-next-to-leading order text January 2015
N-jettiness Subtractions for NNLO QCD Calculations preprint January 2015
Precise QCD predictions for the production of a Z boson in association with a hadronic jet text January 2015
High-precision differential predictions for top-quark pairs at the LHC text January 2015
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Soft-Collinear Factorization in Effective Field Theory text January 2001
Two-Loop Amplitudes for Gluon Fusion into Two Photons text January 2001
Direct Higgs production and jet veto at the Tevatron and the LHC in NNLO QCD text January 2001
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Cross section of isolated prompt photons in hadron-hadron collisions text January 2002
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Cited By (31)

Power corrections in the N -jettiness subtraction scheme journal March 2017
Prompt photon production and photon-jet correlations at the LHC journal March 2018
NNLO predictions for Z-boson pair production at the LHC journal March 2018
A subleading power operator basis for the scalar quark current journal April 2018
Diphoton production at the LHC: a QCD study up to NNLO journal April 2018
A subleading operator basis and matching for gg → H journal July 2017
Non-global logarithms in jet and isolation cone cross sections journal August 2018
Zγ production at NNLO including anomalous couplings journal November 2017
Power corrections for N-jettiness subtractions at O α s $$ \mathcal{O}\left({\alpha}_s\right) $$ journal December 2018
A detailed study of the LHC and TEVATRON hadron–hadron prompt-photon pair production experiments in the angular ordering constraint k t -factorization approaches journal August 2019
Top-quark effects in diphoton production through gluon fusion at next-to-leading order in QCD journal October 2019
Subleading power corrections for N -jettiness subtractions journal April 2017
Measurements of integrated and differential cross sections for isolated photon pair production in p p collisions at s = 8 TeV with the ATLAS detector journal June 2017
Driving missing data at the LHC: NNLO predictions for the ratio of γ + j and Z + j journal July 2017
N -jettiness subtractions for g g H at subleading power journal January 2018
Search for physics beyond the standard model in high-mass diphoton events from proton-proton collisions at s = 13 TeV journal November 2018
Nested soft-collinear subtractions in NNLO QCD computations journal April 2017
Fully differential NNLO computations with MATRIX journal June 2018
Impact of isolation and fiducial cuts on qT and N-jettiness subtractions text January 2020
Search for physics beyond the standard model in high-mass diphoton events from proton-proton collisions at √s =13 TeV text January 2018
Diphoton production at the LHC: a QCD study up to NNLO text January 2018
Nested soft-collinear subtractions in NNLO QCD computations text January 2017
Non-global logarithms in jet and isolation cone cross sections text January 2018
Prompt photon production and photon-jet correlations at the LHCi text January 2018
Impact of Isolation and Fiducial Cuts on $q_T$ and N-Jettiness Subtractions text January 2019
Subleading Power Corrections for N-Jettiness Subtractions text January 2016
Power Corrections in the N-jettiness Subtraction Scheme text January 2016
Radiative Decays of the Higgs Boson to a Pair of Fermions text January 2017
Prompt photon production and photon-jet correlations at the LHC text January 2017
NNLO predictions for Z-boson pair production at the LHC text January 2017
Precision phenomenology with MCFM text January 2019

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