Direct Photon Production at Next-to–Next-to-Leading Order

Campbell, John M.; Ellis, R. Keith; Williams, Ciaran

doi:10.1103/PhysRevLett.118.222001

Title: Direct Photon Production at Next-to–Next-to-Leading Order

Abstract

Here, we present the first calculation of direct photon production at next-to-next-to leading order (NNLO) accuracy in QCD. For this process, although the final state cuts mandate only the presence of a single electroweak boson, the underlying kinematics resembles that of a generic vector boson plus jet topology. In order to regulate the infrared singularities present at this order we use the $$N$$-jettiness slicing procedure, applied for the first time to a final state that at Born level includes colored partons but no required jet. We compare our predictions to ATLAS 8 TeV data and find that the inclusion of the NNLO terms in the perturbative expansion, supplemented by electroweak corrections, provides an excellent description of the data with greatly reduced theoretical uncertainties.

Authors:

Campbell, John M. ^[1]; Ellis, R. Keith ^[2]; Williams, Ciaran ^[3]

Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Univ. of Durham, Durham (United Kingdom)
The State Univ. of New York, Buffalo, NY (United States)

Publication Date:: Wed May 31 00:00:00 EDT 2017

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

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

OSTI Identifier:: 1345624

Alternate Identifier(s):: OSTI ID: 1361002

Report Number(s):: IPPP-16-115; FERMILAB-PUB-16-585-T; arXiv:1612.04333
Journal ID: ISSN 0031-9007; PRLTAO; 1503171

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 118; Journal Issue: 22; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Campbell, John M., Ellis, R. Keith, and Williams, Ciaran. Direct Photon Production at Next-to–Next-to-Leading Order.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevLett.118.222001.

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                    Campbell, John M., Ellis, R. Keith, & Williams, Ciaran. Direct Photon Production at Next-to–Next-to-Leading Order.  United States.  https://doi.org/10.1103/PhysRevLett.118.222001

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                    Campbell, John M., Ellis, R. Keith, and Williams, Ciaran. Wed .  
"Direct Photon Production at Next-to–Next-to-Leading Order".  United States.  https://doi.org/10.1103/PhysRevLett.118.222001.  https://www.osti.gov/servlets/purl/1345624.

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@article{osti_1345624,

  title        = {Direct Photon Production at Next-to–Next-to-Leading Order},

  author       = {Campbell, John M. and Ellis, R. Keith and Williams, Ciaran},

  abstractNote = {Here, we present the first calculation of direct photon production at next-to-next-to leading order (NNLO) accuracy in QCD. For this process, although the final state cuts mandate only the presence of a single electroweak boson, the underlying kinematics resembles that of a generic vector boson plus jet topology. In order to regulate the infrared singularities present at this order we use the $N$-jettiness slicing procedure, applied for the first time to a final state that at Born level includes colored partons but no required jet. We compare our predictions to ATLAS 8 TeV data and find that the inclusion of the NNLO terms in the perturbative expansion, supplemented by electroweak corrections, provides an excellent description of the data with greatly reduced theoretical uncertainties.},

  doi          = {10.1103/PhysRevLett.118.222001},

  journal      = {Physical Review Letters},

  number       = 22,

  volume       = 118,

  place        = {United States},

  year         = {Wed May 31 00:00:00 EDT 2017},

  month        = {Wed May 31 00:00:00 EDT 2017}

}

Copy to clipboard

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Karlsruhe
DOI: 10.5445/ir/1000089881

Measurement of the ratio of cross sections for inclusive isolated-photon production in pp collisions at √s = 13 and 8 TeV with the ATLAS detector
text, January 2019

Miucci, Antonio; Merlassino, Claudia; Haug, Sigve
Springer
DOI: 10.7892/boris.143606

Measurement of differential cross sections for inclusive isolated-photon and photon+jets production in proton-proton collisions at $\sqrt{s} =$ 13 TeV
text, January 2019

Sirunyan, Albert M.; Tumasyan, Armen; Adam, Wolfgang
RWTH Aachen University
DOI: 10.18154/rwth-2019-00963

Measurement of the ratio of cross sections for inclusive isolated-photon production in $pp$ collisions at $\sqrt s = 13$ and $8$ TeV with the ATLAS detector
text, January 2019

Aaboud, Morad; Aad, Georges; Abbott, Brad
Deutsches Elektronen-Synchrotron, DESY, Hamburg
DOI: 10.3204/pubdb-2019-03204

Next-to-Next-to-Leading-Order QCD Corrections to the Transverse Momentum Distribution of Weak Gauge Bosons
text, January 2018

Aude, Gehrmann-De Ridder,; Thomas, Gehrmann,; Nigel, Glover, E. W.
ETH Zurich
DOI: 10.3929/ethz-b-000255684

NNLO predictions for Z-boson pair production at the LHC
text, January 2017

Heinrich, G.; Jahn, S.; Jones, S. P.
arXiv
DOI: 10.48550/arxiv.1710.06294

The NNLO QCD soft function for 1-jettiness
text, January 2017

Campbell, John M.; Ellis, R. Keith; Mondini, Roberto
arXiv
DOI: 10.48550/arxiv.1711.09984

The double-soft integral for an arbitrary angle between hard radiators
text, January 2018

Caola, Fabrizio; Delto, Maximilian; Frellesvig, Hjalte
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DOI: 10.48550/arxiv.1807.05835

Measurement of the inclusive isolated-photon cross section in $pp$ collisions at $\sqrt{s}=13$ TeV using 36 fb$^{-1}$ of ATLAS data
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Collaboration, Atlas
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DOI: 10.48550/arxiv.1908.02746

Open-source QCD analysis of nuclear parton distribution functions at NLO and NNLO
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Walt, Marina; Helenius, Ilkka; Vogelsang, Werner
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Diphoton production at the LHC: a QCD study up to NNLO
text, January 2018

Stefano, Catani,; Leandro, Cieri,; Daniel, de Florian,
Springer
DOI: 10.5167/uzh-153737

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Title: Direct Photon Production at Next-to–Next-to-Leading Order

Abstract

Citation Formats

Isolated photons in perturbative QCD journal, June 1998

New parton distribution functions from a global analysis of quantum chromodynamics journal, February 2016

The anti- k t jet clustering algorithm journal, April 2008

Higgs boson production in association with a jet using jettiness subtraction journal, September 2015

W -Boson Production in Association with a Jet at Next-to-Next-to-Leading Order in Perturbative QCD journal, August 2015

The gluon jet function at two-loop order journal, January 2011

NNLO QCD corrections to jet production at hadron colliders from gluon scattering journal, January 2014

Z -Boson Production in Association with a Jet at Next-To-Next-To-Leading Order in Perturbative QCD journal, April 2016

The quark beam function at two loops journal, April 2014

An effective field theory for collinear and soft gluons: Heavy to light decays journal, May 2001

Double-cut of scattering amplitudes and Stokes' Theorem journal, July 2009

Direct extraction of one loop rational terms journal, January 2009

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations journal, July 2014

Cross section of isolated prompt photons in hadron-hadron collisions journal, May 2002

Electroweak corrections to hadronic photon production at large transverse momenta journal, March 2006

Masses, fermions and generalized D-dimensional unitarity journal, November 2009

A general algorithm for calculating jet cross sections in NLO QCD journal, February 1997

Addendum to “Electroweak Sudakov effects in W , Z and γ production at large transverse momentum” journal, October 2015

N Jettiness: An Inclusive Event Shape to Veto Jets journal, August 2010

Next-to-Next-to Leading Order QCD Predictions for Single Jet Inclusive Production at the LHC journal, February 2017

Generalized unitarity and one-loop amplitudes in super-Yang–Mills journal, October 2005

Invariant operators in collinear effective theory journal, September 2001

The gluon beam function at two loops journal, August 2014

Precision direct photon spectra at high energy and comparison to the 8 TeV ATLAS data journal, September 2016

Summing Sudakov logarithms in B → X s γ in effective field theory journal, December 2000

Precise QCD predictions for the production of Higgs + jet final states journal, January 2015

Quantitative constraints on the gluon distribution function in the proton from collider isolated-photon data journal, July 2012

Precise QCD Predictions for the Production of a Z Boson in Association with a Hadronic Jet journal, July 2016

Hard scattering factorization from effective field theory journal, July 2002

Electroweak Sudakov effects in W , Z and γ production at large transverse momentum journal, July 2013

Color-singlet production at NNLO in MCFM journal, December 2016

N-jettiness subtractions for NNLO QCD calculations journal, September 2015

Two-loop QED and QCD corrections to massless fermion–boson scattering journal, May 2002

Soft-collinear factorization in effective field theory journal, February 2002

The gluon beam function at two loops text, January 2014

NNLO QCD corrections to jet production at hadron colliders from gluon scattering text, January 2014

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations text, January 2014

Precise QCD predictions for the production of Higgs + jet final states text, January 2015

NNLO QCD corrections to Higgs boson production at large transverse momentum text, January 2016

The NNLO QCD corrections to Z boson production at large transverse momentum text, January 2016

The NNLO QCD corrections to Z boson production at large transverse momentum text, January 2016

The anti-k_t jet clustering algorithm text, January 2008

Masses, fermions and generalized D-dimensional unitarity text, January 2008

Driving Missing Data at Next-to-Leading Order text, January 2011

Top-Quark Decay at Next-to-Next-to-Leading Order in QCD text, January 2012

Precise QCD predictions for the production of Higgs+jet final states text, January 2014

$W$-boson production in association with a jet at next-to-next-to-leading order in perturbative QCD text, January 2015

The N-jettiness soft function at next-to-next-to-leading order 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

Predictions for diphoton production at the LHC through NNLO in QCD text, January 2016

Color singlet production at NNLO in MCFM text, January 2016

Precision direct photon spectra at high energy and comparison to the 8 TeV ATLAS data text, January 2016

Subleading Power Corrections for N-Jettiness Subtractions text, January 2016

Power Corrections in the N-jettiness Subtraction Scheme text, January 2016

An effective field theory for collinear and soft gluons: heavy to light decays text, January 2000

Invariant Operators in Collinear Effective Theory text, January 2001

Soft-Collinear Factorization in Effective Field Theory text, January 2001

Hard Scattering Factorization from Effective Field Theory text, January 2002

Cross section of isolated prompt photons in hadron-hadron collisions text, January 2002

Electroweak corrections to hadronic photon production at large transverse momenta text, January 2005

Isolated photons in perturbative QCD text, January 1998

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

Helicity methods for high multiplicity subleading soft and collinear limits journal, May 2019

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

Probing nuclear modifications of parton distribution functions through the isolated prompt photon production at energies available at the CERN Large Hadron Collider journal, May 2019

Next-to-leading power corrections to V + 1 jet production in N -jettiness subtraction journal, January 2020

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

The NNLO QCD soft function for 1-jettiness journal, March 2018

Fully differential NNLO computations with MATRIX journal, June 2018

The double-soft integral for an arbitrary angle between hard radiators journal, August 2018

Isolated photons in perturbative QCD
journal, June 1998

New parton distribution functions from a global analysis of quantum chromodynamics
journal, February 2016

The anti- k _t jet clustering algorithm
journal, April 2008

Higgs boson production in association with a jet using jettiness subtraction
journal, September 2015

$W$ -Boson Production in Association with a Jet at Next-to-Next-to-Leading Order in Perturbative QCD
journal, August 2015

The gluon jet function at two-loop order
journal, January 2011

NNLO QCD corrections to jet production at hadron colliders from gluon scattering
journal, January 2014

$Z$ -Boson Production in Association with a Jet at Next-To-Next-To-Leading Order in Perturbative QCD
journal, April 2016

The quark beam function at two loops
journal, April 2014

An effective field theory for collinear and soft gluons: Heavy to light decays
journal, May 2001

Double-cut of scattering amplitudes and Stokes' Theorem
journal, July 2009

Direct extraction of one loop rational terms
journal, January 2009

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
journal, July 2014

Cross section of isolated prompt photons in hadron-hadron collisions
journal, May 2002

Electroweak corrections to hadronic photon production at large transverse momenta
journal, March 2006

Masses, fermions and generalized D-dimensional unitarity
journal, November 2009

A general algorithm for calculating jet cross sections in NLO QCD
journal, February 1997

Addendum to “Electroweak Sudakov effects in $W$ , $Z$ and $γ$ production at large transverse momentum”
journal, October 2015

$N$ Jettiness: An Inclusive Event Shape to Veto Jets
journal, August 2010

Next-to-Next-to Leading Order QCD Predictions for Single Jet Inclusive Production at the LHC
journal, February 2017

Generalized unitarity and one-loop amplitudes in super-Yang–Mills
journal, October 2005

Invariant operators in collinear effective theory
journal, September 2001

The gluon beam function at two loops
journal, August 2014

Precision direct photon spectra at high energy and comparison to the 8 TeV ATLAS data
journal, September 2016

Summing Sudakov logarithms in $\vec{B} X_{s} γ$ in effective field theory
journal, December 2000

Precise QCD predictions for the production of Higgs + jet final states
journal, January 2015

Quantitative constraints on the gluon distribution function in the proton from collider isolated-photon data
journal, July 2012

Precise QCD Predictions for the Production of a $Z$ Boson in Association with a Hadronic Jet
journal, July 2016

Hard scattering factorization from effective field theory
journal, July 2002

Electroweak Sudakov effects in $W$ , $Z$ and $γ$ production at large transverse momentum
journal, July 2013

Color-singlet production at NNLO in MCFM
journal, December 2016

N-jettiness subtractions for NNLO QCD calculations
journal, September 2015

Two-loop QED and QCD corrections to massless fermion–boson scattering
journal, May 2002

Soft-collinear factorization in effective field theory
journal, February 2002

The gluon beam function at two loops
text, January 2014

NNLO QCD corrections to jet production at hadron colliders from gluon scattering
text, January 2014

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
text, January 2014

Precise QCD predictions for the production of Higgs + jet final states
text, January 2015

NNLO QCD corrections to Higgs boson production at large transverse momentum
text, January 2016

The NNLO QCD corrections to Z boson production at large transverse momentum
text, January 2016

The NNLO QCD corrections to Z boson production at large transverse momentum
text, January 2016

The anti-k_t jet clustering algorithm
text, January 2008

Masses, fermions and generalized D-dimensional unitarity
text, January 2008

Driving Missing Data at Next-to-Leading Order
text, January 2011

Top-Quark Decay at Next-to-Next-to-Leading Order in QCD
text, January 2012

Precise QCD predictions for the production of Higgs+jet final states
text, January 2014

$W$-boson production in association with a jet at next-to-next-to-leading order in perturbative QCD
text, January 2015

The N-jettiness soft function at next-to-next-to-leading order
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

Predictions for diphoton production at the LHC through NNLO in QCD
text, January 2016

Color singlet production at NNLO in MCFM
text, January 2016

Precision direct photon spectra at high energy and comparison to the 8 TeV ATLAS data
text, January 2016

Subleading Power Corrections for N-Jettiness Subtractions
text, January 2016

Power Corrections in the N-jettiness Subtraction Scheme
text, January 2016

An effective field theory for collinear and soft gluons: heavy to light decays
text, January 2000

Invariant Operators in Collinear Effective Theory
text, January 2001

Soft-Collinear Factorization in Effective Field Theory
text, January 2001

Hard Scattering Factorization from Effective Field Theory
text, January 2002

Cross section of isolated prompt photons in hadron-hadron collisions
text, January 2002

Electroweak corrections to hadronic photon production at large transverse momenta
text, January 2005

Isolated photons in perturbative QCD
text, January 1998

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

Helicity methods for high multiplicity subleading soft and collinear limits
journal, May 2019

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

Probing nuclear modifications of parton distribution functions through the isolated prompt photon production at energies available at the CERN Large Hadron Collider
journal, May 2019

Next-to-leading power corrections to $V + 1$ jet production in $N$ -jettiness subtraction
journal, January 2020

Driving missing data at the LHC: NNLO predictions for the ratio of $γ + j$ and $Z + j$
journal, July 2017

$N$ -jettiness subtractions for $g g \to H$ at subleading power
journal, January 2018

The NNLO QCD soft function for 1-jettiness
journal, March 2018

Fully differential NNLO computations with MATRIX
journal, June 2018

The double-soft integral for an arbitrary angle between hard radiators
journal, August 2018

Measurement of differential cross sections for inclusive isolated-photon and photon+jet production in proton-proton collisions at $$\sqrt{s} = 13\,\text {TeV} $$ s = 13 TeV
journal, January 2019

Measurements of triple-differential cross sections for inclusive isolated-photon+jet events in $$\mathrm{p}\mathrm{p}$$pp collisions at $$\sqrt{s} = 8\,\text {TeV} $$s=8TeV
journal, November 2019

Next-to-Next-to-Leading-Order QCD Corrections to the Transverse Momentum Distribution of Weak Gauge Bosons
text, January 2018