TMD factorization for dijets + photon production from the dilute-dense CGC framework

Altinoluk, Tolga; Boussarie, Renaud; Marquet, Cyrille; Taels, Pieter

doi:10.1007/JHEP07(2019)079

Title: TMD factorization for dijets + photon production from the dilute-dense CGC framework

Abstract

We calculate the production of a photon and two jets at forward rapidity in proton-nucleus collisions, within the hybrid dilute-dense framework in the Color Glass Condensate (CGC) formalism. After obtaining the cross section for both the quark- and gluon-initiated channels, we consider the correlation limit, in which the vector sum of the transverse momenta of the three outgoing particles is small with respect to the individual transverse momenta. In this limit, the cross section simplies considerably and can be written in a factorized form, sensitive to various unpolarized and linearly-polarized transverse-momentum-dependent gluon distribution functions (gluon TMDs). Thus, we demonstrate for the first time that the emergence of a TMD factorization formula in the correlation limit, from CGC expressions, holds beyond the previously-considered simpler 2→2processes.

Authors:

Altinoluk, Tolga ^[1]; Boussarie, Renaud ^[2]; Marquet, Cyrille ^[3]; Taels, Pieter ^[4]

National Centre for Nuclear Research, Warsaw (Poland)
Polish Academy of Sciences, Kraków (Poland); Brookhaven National Lab. (BNL), Upton, NY (United States)
Université Paris-Saclay, Palaiseau (France)
INFN Sezione di Pavia (Italy)

Publication Date:: Tue Jul 16 00:00:00 EDT 2019

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

OSTI Identifier:: 1557101

Report Number(s):: BNL-211974-2019-JAAM
Journal ID: ISSN 1029-8479

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2019; Journal Issue: 7; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Altinoluk, Tolga, Boussarie, Renaud, Marquet, Cyrille, and Taels, Pieter. TMD factorization for dijets + photon production from the dilute-dense CGC framework.  United States: N. p., 2019. 
Web.  doi:10.1007/JHEP07(2019)079.

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                    Altinoluk, Tolga, Boussarie, Renaud, Marquet, Cyrille, & Taels, Pieter. TMD factorization for dijets + photon production from the dilute-dense CGC framework.  United States.  https://doi.org/10.1007/JHEP07(2019)079

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                    Altinoluk, Tolga, Boussarie, Renaud, Marquet, Cyrille, and Taels, Pieter. Tue .  
"TMD factorization for dijets + photon production from the dilute-dense CGC framework".  United States.  https://doi.org/10.1007/JHEP07(2019)079.  https://www.osti.gov/servlets/purl/1557101.

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@article{osti_1557101,

  title        = {TMD factorization for dijets + photon production from the dilute-dense CGC framework},

  author       = {Altinoluk, Tolga and Boussarie, Renaud and Marquet, Cyrille and Taels, Pieter},

  abstractNote = {We calculate the production of a photon and two jets at forward rapidity in proton-nucleus collisions, within the hybrid dilute-dense framework in the Color Glass Condensate (CGC) formalism. After obtaining the cross section for both the quark- and gluon-initiated channels, we consider the correlation limit, in which the vector sum of the transverse momenta of the three outgoing particles is small with respect to the individual transverse momenta. In this limit, the cross section simplies considerably and can be written in a factorized form, sensitive to various unpolarized and linearly-polarized transverse-momentum-dependent gluon distribution functions (gluon TMDs). Thus, we demonstrate for the first time that the emergence of a TMD factorization formula in the correlation limit, from CGC expressions, holds beyond the previously-considered simpler 2→2processes.},

  doi          = {10.1007/JHEP07(2019)079},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 7,

  volume       = 2019,

  place        = {United States},

  year         = {Tue Jul 16 00:00:00 EDT 2019},

  month        = {Tue Jul 16 00:00:00 EDT 2019}

}

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Title: TMD factorization for dijets + photon production from the dilute-dense CGC framework

Abstract

Citation Formats

Unitarity at small Bjorken x journal, June 2002

Distribution of Linearly Polarized Gluons and Elliptic Azimuthal Anisotropy in Deep Inelastic Scattering Dijet Production at High Energy journal, December 2015

Transverse-momentum-dependent gluon distributions from JIMWLK evolution journal, October 2016

Asymmetries in heavy quark pair and dijet production at an EIC journal, August 2016

Suppression of maximal linear gluon polarization in angular asymmetries journal, October 2017

CGC factorization for forward particle production in proton-nucleus collisions at next-to-leading order journal, December 2016

One-Loop Factorization for Inclusive Hadron Production in p − A Collisions in the Saturation Formalism journal, March 2012

Inclusive prompt photon production in electron-nucleus scattering at small x journal, May 2018

Soft photon and two hard jets forward production in proton-nucleus collisions journal, April 2018

Probing gluon saturation with next-to-leading order photon production at central rapidities in proton-nucleus collisions journal, January 2017

Asymptotic freedom in parton language journal, August 1977

Factorization theorem for Drell-Yan at low q T and transverse-momentum distributions on-the-light-cone journal, July 2012

Soft and collinear factorization and transverse momentum dependent parton distribution functions journal, November 2013

Semihard processes in QCD journal, November 1983

Gluon recombination and shadowing at small values of x journal, May 1986

The BFKL equation from the Wilson renormalization group journal, October 1997

Wilson renormalization group for low x physics: Towards the high density regime journal, November 1998

Wilson renormalization group for low x physics: Gluon evolution at finite parton density journal, November 1998

Vector potential versus color charge density in low- x evolution journal, December 1999

Relating different approaches to nonlinear QCD evolution at finite gluon density journal, October 2000

Nonlinear gluon evolution in the color glass condensate: I journal, September 2001

The renormalization group equation for the color glass condensate journal, June 2001

Nonlinear gluon evolution in the color glass condensate: II journal, May 2002

Operator expansion for high-energy scattering journal, March 1996

Factorization for High-Energy Scattering journal, September 1998

Factorization and high-energy effective action journal, June 1999

Small- x F 2 structure function of a nucleus including multiple Pomeron exchanges journal, June 1999

Unitarization of the BFKL Pomeron on a nucleus journal, March 2000

The color glass condensate and hadron production in the forward region journal, February 2006

Particle production at high energy and large transverse momentum: “The hybrid formalism” revisited journal, May 2011

Inclusive hadron productions in p A collisions journal, September 2012

Matching collinear and small x factorization calculations for inclusive hadron production in p A collisions journal, July 2014

Single inclusive particle production in proton-nucleus collisions at next-to-leading order in the hybrid formalism journal, May 2015

Implementing the exact kinematical constraint in the saturation formalism journal, August 2015

Single inclusive forward hadron production at next-to-leading order journal, June 2016

Implementation of NLO high energy factorization in single inclusive forward hadron production journal, June 2017

Heavy quarks in proton-nucleus collisions: The hybrid formalism journal, March 2016

Distribution of linearly polarized gluons inside a large nucleus journal, September 2011

Linearly polarized gluon distributions in the color dipole model journal, February 2012

Azimuthal asymmetries for quark pair production in p A collisions journal, March 2013

Improved TMD factorization for forward dijet production in dilute-dense hadronic collisions journal, September 2015

Linearly polarized small- x gluons in forward heavy-quark pair production journal, January 2018

TMD gluon distributions at small x in the CGC theory journal, May 2018

Forward di-jet production in p+Pb collisions in the small-x improved TMD factorization framework journal, December 2016

Computing quark and gluon distribution functions for very large nuclei journal, March 1994

Gluon distribution functions for very large nuclei at small transverse momentum journal, April 1994

Green’s function in the color field of a large nucleus journal, August 1994

Saturation effects in deep inelastic scattering at low Q 2 and its implications on diffraction journal, November 1998

Saturation in diffractive deep inelastic scattering journal, November 1999

Constraining unintegrated gluon distributions from inclusive photon production in proton–proton collisions at the LHC journal, April 2019

Prompt photon-jet angular correlations at central rapidities in p + A collisions journal, January 2018

Forward inclusive dijet production and azimuthal correlations in pA collisions journal, November 2007

Soft gluons in the infinite-momentum wave function and the BFKL pomeron journal, March 1994

Space-time picture of photon and neutrino scattering and electroproduction cross section asymptotics journal, September 1969

Forward trijet production in proton–nucleus collisions journal, May 2019

Odderon in the color glass condensate journal, October 2005

Unitarity at small Bjorken x
journal, June 2002

Distribution of Linearly Polarized Gluons and Elliptic Azimuthal Anisotropy in Deep Inelastic Scattering Dijet Production at High Energy
journal, December 2015

Transverse-momentum-dependent gluon distributions from JIMWLK evolution
journal, October 2016

Asymmetries in heavy quark pair and dijet production at an EIC
journal, August 2016

Suppression of maximal linear gluon polarization in angular asymmetries
journal, October 2017

CGC factorization for forward particle production in proton-nucleus collisions at next-to-leading order
journal, December 2016

One-Loop Factorization for Inclusive Hadron Production in $p − A$ Collisions in the Saturation Formalism
journal, March 2012

Inclusive prompt photon production in electron-nucleus scattering at small x
journal, May 2018

Soft photon and two hard jets forward production in proton-nucleus collisions
journal, April 2018

Probing gluon saturation with next-to-leading order photon production at central rapidities in proton-nucleus collisions
journal, January 2017

Asymptotic freedom in parton language
journal, August 1977

Factorization theorem for Drell-Yan at low q T and transverse-momentum distributions on-the-light-cone
journal, July 2012

Soft and collinear factorization and transverse momentum dependent parton distribution functions
journal, November 2013

Semihard processes in QCD
journal, November 1983

Gluon recombination and shadowing at small values of x
journal, May 1986

The BFKL equation from the Wilson renormalization group
journal, October 1997

Wilson renormalization group for low x physics: Towards the high density regime
journal, November 1998

Wilson renormalization group for low x physics: Gluon evolution at finite parton density
journal, November 1998

Vector potential versus color charge density in low- $x$ evolution
journal, December 1999

Relating different approaches to nonlinear QCD evolution at finite gluon density
journal, October 2000

Nonlinear gluon evolution in the color glass condensate: I
journal, September 2001

The renormalization group equation for the color glass condensate
journal, June 2001

Nonlinear gluon evolution in the color glass condensate: II
journal, May 2002

Operator expansion for high-energy scattering
journal, March 1996

Factorization for High-Energy Scattering
journal, September 1998

Factorization and high-energy effective action
journal, June 1999

Small- x $F_{2}$ structure function of a nucleus including multiple Pomeron exchanges
journal, June 1999

Unitarization of the BFKL Pomeron on a nucleus
journal, March 2000

The color glass condensate and hadron production in the forward region
journal, February 2006

Particle production at high energy and large transverse momentum: “The hybrid formalism” revisited
journal, May 2011

Inclusive hadron productions in $p A$ collisions
journal, September 2012

Matching collinear and small $x$ factorization calculations for inclusive hadron production in $p A$ collisions
journal, July 2014

Single inclusive particle production in proton-nucleus collisions at next-to-leading order in the hybrid formalism
journal, May 2015

Implementing the exact kinematical constraint in the saturation formalism
journal, August 2015

Single inclusive forward hadron production at next-to-leading order
journal, June 2016

Implementation of NLO high energy factorization in single inclusive forward hadron production
journal, June 2017

Heavy quarks in proton-nucleus collisions: The hybrid formalism
journal, March 2016

Distribution of linearly polarized gluons inside a large nucleus
journal, September 2011

Linearly polarized gluon distributions in the color dipole model
journal, February 2012

Azimuthal asymmetries for quark pair production in $p A$ collisions
journal, March 2013

Improved TMD factorization for forward dijet production in dilute-dense hadronic collisions
journal, September 2015

Linearly polarized small- $x$ gluons in forward heavy-quark pair production
journal, January 2018

TMD gluon distributions at small x in the CGC theory
journal, May 2018

Forward di-jet production in p+Pb collisions in the small-x improved TMD factorization framework
journal, December 2016

Computing quark and gluon distribution functions for very large nuclei
journal, March 1994

Gluon distribution functions for very large nuclei at small transverse momentum
journal, April 1994

Green’s function in the color field of a large nucleus
journal, August 1994

Saturation effects in deep inelastic scattering at low $Q^{2}$ and its implications on diffraction
journal, November 1998

Saturation in diffractive deep inelastic scattering
journal, November 1999

Constraining unintegrated gluon distributions from inclusive photon production in proton–proton collisions at the LHC
journal, April 2019

Prompt photon-jet angular correlations at central rapidities in $p + A$ collisions
journal, January 2018

Forward inclusive dijet production and azimuthal correlations in pA collisions
journal, November 2007

Soft gluons in the infinite-momentum wave function and the BFKL pomeron
journal, March 1994

Space-time picture of photon and neutrino scattering and electroproduction cross section asymptotics
journal, September 1969

Forward trijet production in proton–nucleus collisions
journal, May 2019

Odderon in the color glass condensate
journal, October 2005