Collinear factorization in wide-angle hadron pair production in e + e − annihilation

Moffat, E.; Rogers, T. C.; Sato, N.; Signori, A.

doi:10.1103/PhysRevD.100.094014

Title: Collinear factorization in wide-angle hadron pair production in $e^{+} e^{-}$ annihilation

Abstract

We compute the inclusive unpolarized dihadron production cross section in the far from back-to-back region of e(+)e(-) annihilation in leading order pQCD using existing fragmentation function fits and standard collinear factorization, focusing on the large transverse momentum region where transverse momentum is comparable to the hard scale (the center-of-mass energy). We compare with standard transverse-momentum-dependent (TMD) fragmentation function-based predictions intended for the small transverse momentum region with the aim of testing the expectation that the two types of calculation roughly coincide at intermediate transverse momentum. We find significant tension, within the intermediate transverse momentum region, between calculations done with existing nonperturbative TMD fragmentation functions and collinear factorization calculations if the center-of-mass energy is not extremely large. We argue that e(+)e(-) measurements are ideal for resolving this tension and exploring the large-to-small transverse momentum transition, given the typically larger hard scales (greater than or similar to 10 GeV) of the process as compared with similar scenarios that arise in semi-inclusive deep inelastic scattering and fixed-target Drell-Yan measurements.

Authors:

Moffat, E.;

; Sato, N.;

Publication Date:: 2019-11-14

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Old Dominion Univ., Norfolk, VA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26), Washington, DC (United States); European Commission (EC)

OSTI Identifier:: 1607556

Alternate Identifier(s):: OSTI ID: 1574290; OSTI ID: 1581245; OSTI ID: 1593804

Report Number(s):: JLAB-THY-19-3020; DOE/OR/23177-4766; arXiv:1909.02951; arXiv:1909.02951v2
Journal ID: ISSN 2470-0010; PRVDAQ; 094014

Grant/Contract Number:: SC0018106; AC02-06CH11357; AC05-06OR23177; 795475

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 9; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

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

Citation Formats


                    Moffat, E., Rogers, T. C., Sato, N., and Signori, A. Collinear factorization in wide-angle hadron pair production in e + e − annihilation.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevD.100.094014.

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                    Moffat, E., Rogers, T. C., Sato, N., & Signori, A. Collinear factorization in wide-angle hadron pair production in e + e − annihilation.  United States.  https://doi.org/10.1103/PhysRevD.100.094014

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                    Moffat, E., Rogers, T. C., Sato, N., and Signori, A. Thu .  
"Collinear factorization in wide-angle hadron pair production in e + e − annihilation".  United States.  https://doi.org/10.1103/PhysRevD.100.094014.

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@article{osti_1607556,

  title        = {Collinear factorization in wide-angle hadron pair production in e + e − annihilation},

  author       = {Moffat, E. and Rogers, T. C. and Sato, N. and Signori, A.},

  abstractNote = {We compute the inclusive unpolarized dihadron production cross section in the far from back-to-back region of e(+)e(-) annihilation in leading order pQCD using existing fragmentation function fits and standard collinear factorization, focusing on the large transverse momentum region where transverse momentum is comparable to the hard scale (the center-of-mass energy). We compare with standard transverse-momentum-dependent (TMD) fragmentation function-based predictions intended for the small transverse momentum region with the aim of testing the expectation that the two types of calculation roughly coincide at intermediate transverse momentum. We find significant tension, within the intermediate transverse momentum region, between calculations done with existing nonperturbative TMD fragmentation functions and collinear factorization calculations if the center-of-mass energy is not extremely large. We argue that e(+)e(-) measurements are ideal for resolving this tension and exploring the large-to-small transverse momentum transition, given the typically larger hard scales (greater than or similar to 10 GeV) of the process as compared with similar scenarios that arise in semi-inclusive deep inelastic scattering and fixed-target Drell-Yan measurements.},

  doi          = {10.1103/PhysRevD.100.094014},

  journal      = {Physical Review D},

  number       = 9,

  volume       = 100,

  place        = {United States},

  year         = {2019},

  month        = {11}

}

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Azimuthal asymmetries of back-to-back $π^{\pm} - (π^{0}, η, π^{\pm})$ pairs in $e^{+} e^{-}$ annihilation

Journal Article Li, H. ; Vossen, A. ; Aihara, H. ; ... - Physical Review D

This work reports the first observation of azimuthal asymmetries around the thrust axis in e⁺e^– annihilation of pairs of back-to-back charged pions in one hemisphere, and π⁰ and η mesons in the opposite hemisphere. These results are complemented by a new analysis of pairs of back-to-back charged pions. The π⁰ and η asymmetries rise with the relative momentum z of the detected hadrons as well as with the transverse momentum with respect to the thrust axis. These asymmetries are sensitive to the Collins fragmentation functionmore »« less
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https://doi.org/10.1103/PhysRevD.100.092008

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Title: Collinear factorization in wide-angle hadron pair production in e + e − annihilation

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Effect of flavor-dependent partonic transverse momentum on the determination of the W boson mass in hadronic collisions journal, January 2019

Pion-induced Drell-Yan processes within TMD factorization journal, October 2019

Simultaneous extraction of transversity and Collins functions from new semi-inclusive deep inelastic scattering and e + e − data journal, May 2013

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Parton-to-pion fragmentation reloaded journal, January 2015

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Collins functions for pions from SIDIS and new e + e − data: A first glance at their transverse momentum dependence journal, December 2015

Topical issue on the 3-D structure of the nucleon journal, June 2016

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Update on transversity and Collins functions from SIDIS and data journal, June 2009

Phenomenological Implementations of TMD Evolution journal, January 2015

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Accessing transversity with interference fragmentation functions journal, April 2002

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Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production journal, June 2017

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Transverse-momentum-dependent fragmentation functions in e+e- annihilation journal, June 2016

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Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities journal, April 2014

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A determination of the fragmentation functions of pions, kaons, and protons with faithful uncertainties: The NNPDF Collaboration journal, August 2017

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Noncollinearity in dijet fragmentation in electron-positron scattering journal, August 2019

Event generation with Sherpa 2.2 journal, January 2019

Measuring transversity densities in singly polarized hadron-hadron and lepton-hadron collisions journal, June 1994

Where do we stand with a 3-D picture of the proton? journal, June 2016

Erratum to: Experimental results on TMDs journal, June 2016

Herwig 7.0/Herwig++ 3.0 release note journal, April 2016

W and Z production at next-to-leading order: From large qT to small journal, February 1991

An introduction to PYTHIA 8.2 journal, June 2015

Transverse momentum distribution in Drell-Yan pair and W and Z boson production journal, January 1985

Challenges with large transverse momentum in semi-inclusive deeply inelastic scattering journal, December 2018

Electron-Ion Collider: The next QCD frontier: Understanding the glue that binds us all journal, September 2016

O ( α s 2 ) QCD corrections to the electroproduction of hadrons with high transverse momentum journal, February 2005

Angular distribution of dileptons in high-energy hadron collisions journal, October 1977

Semi-inclusive hadron production at DESY HERA: The effect of QCD gluon resummation journal, November 1999

Role of the nonperturbative input in QCD resummed Drell-Yan Q T distributions journal, April 2001

Nonperturbative Uncertainties on the Transverse Momentum Distribution of Electroweak Bosons and on the Determination of the W Boson Mass at the LHC journal, March 2019

Parton distribution and decay functions journal, January 1982

Investigations into the flavor dependence of partonic transverse momentum journal, November 2013

Title: Collinear factorization in wide-angle hadron pair production in $e^{+} e^{-}$ annihilation

An overview of transverse-momentum-dependent factorization and evolution
journal, June 2016

Quark fragmentation as a probe of dynamical mass generation
journal, November 2019

Intrinsic transverse parton momenta in deeply inelastic reactions
journal, May 2010

Physics opportunities with the 12 GeV upgrade at Jefferson Lab
journal, December 2012

Relating transverse-momentum-dependent and collinear factorization theorems in a generalized formalism
journal, August 2016

Inclusive production of single hadrons with finite transverse momenta in deep-inelastic scattering at next-to-leading order
journal, April 2005

Extraction of quark transversity distribution and Collins fragmentation functions with QCD evolution
journal, January 2016

Fully unintegrated parton correlation functions and factorization in lowest-order hard scattering
journal, April 2008

Universality of the Collins–Soper–Sterman nonperturbative function in vector boson production
journal, February 2006

Nonperturbative functions for SIDIS and Drell–Yan processes
journal, April 2018

Experimental results on TMDs
journal, June 2016

First Extraction of Transversity from a Global Analysis of Electron-Proton and Proton-Proton Data
journal, May 2018

First Simultaneous Extraction of Spin-Dependent Parton Distributions and Fragmentation Functions from a Global QCD Analysis
journal, September 2017

Effect of flavor-dependent partonic transverse momentum on the determination of the W boson mass in hadronic collisions
journal, January 2019

Pion-induced Drell-Yan processes within TMD factorization
journal, October 2019

Simultaneous extraction of transversity and Collins functions from new semi-inclusive deep inelastic scattering and $e^{+} e^{-}$ data
journal, May 2013

Angular dependences in inclusive two-hadron production at BELLE
journal, January 2009

Transverse Momentum Dependent (TMD) Parton Distribution Functions: Status and Prospects
journal, January 2015

Interference Fragmentation Functions and the Nucleon's Transversity
journal, February 1998

TMDlib and TMDplotter: library and plotting tools for transverse-momentum-dependent parton distributions
journal, December 2014

Transverse momentum distribution of $Υ$ production in hadronic collisions
journal, February 2005

Charged hadron fragmentation functions from collider data: NNPDF Collaboration
journal, August 2018

Erratum to: “Inclusive production of single hadrons with finite transverse momenta in deep-inelastic scattering at next-to-leading order” [Nucl. Phys. B 711 (2005) 345]
journal, August 2005

On the connection between production mechanism and decay of resonances at high energies
journal, July 1964

PYTHIA 6.4 physics and manual
journal, May 2006

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

A study on the interplay between perturbative QCD and CSS/TMD formalism in SIDIS processes
journal, February 2015

Extracting the kaon Collins function from $e^{+} e^{-}$ hadron pair production data
journal, February 2016

Effects of TMD evolution and partonic flavor on e + e − annihilation into hadrons
journal, November 2015

Extraction of unpolarized quark transverse momentum dependent parton distributions from Drell-Yan/Z-boson production
journal, June 2019

Parton-to-pion fragmentation reloaded
journal, January 2015

First extraction of interference fragmentation functions from $e^{+} e^{-}$ data
journal, June 2012

Matching factorization theorems with an inverse-error weighting
journal, June 2018

Collins functions for pions from SIDIS and new $e^{+} e^{-}$ data: A first glance at their transverse momentum dependence
journal, December 2015

Topical issue on the 3-D structure of the nucleon
journal, June 2016

Parton fragmentation functions
journal, November 2016

Update on transversity and Collins functions from SIDIS and data
journal, June 2009

Phenomenological Implementations of TMD Evolution
journal, January 2015

Collinear factorization for deep inelastic scattering structure functions at large Bjorken x _B
journal, July 2008

Accessing transversity with interference fragmentation functions
journal, April 2002

Herwig++ physics and manual
journal, November 2008

A Short Review on Recent Developments in TMD Factorization and Implementation
journal, May 2019

Improved extraction of valence transversity distributions from inclusive dihadron production
journal, May 2015

Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production
journal, June 2017

Difficulties in the description of Drell-Yan processes at moderate invariant mass and high transverse momentum
journal, July 2019

TMDs and SSAs in hadronic interactions
journal, June 2016

Phenomenology of transverse spin: Past, present and future
journal, June 2016

Transverse-momentum-dependent fragmentation functions in e+e- annihilation
journal, June 2016

Monte Carlo methods for TMD analyses
journal, January 2015

Back-to-back jets in QCD
journal, December 1981

Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities
journal, April 2014

Large transverse momentum in semi-inclusive deeply inelastic scattering beyond lowest order
journal, May 2019

Probing the sea quark content of the proton with one-particle-inclusive processes
journal, November 2017

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

Semi-inclusive production of two back-to-back hadron pairs in $e^{+} e^{-}$ annihilation revisited
journal, April 2018

A determination of the fragmentation functions of pions, kaons, and protons with faithful uncertainties: The NNPDF Collaboration
journal, August 2017

Transversity and Collins functions from SIDIS and $e^{+} e^{-}$ data
journal, March 2007

Introduction to GPDs and TMDs
journal, June 2016

Asymmetries in polarized hadron production in e+e− annihilation up to order
journal, October 1997

Noncollinearity in dijet fragmentation in electron-positron scattering
journal, August 2019

Event generation with Sherpa 2.2
journal, January 2019

Measuring transversity densities in singly polarized hadron-hadron and lepton-hadron collisions
journal, June 1994

Where do we stand with a 3-D picture of the proton?
journal, June 2016

Erratum to: Experimental results on TMDs
journal, June 2016

Herwig 7.0/Herwig++ 3.0 release note
journal, April 2016

W and Z production at next-to-leading order: From large qT to small
journal, February 1991

An introduction to PYTHIA 8.2
journal, June 2015

Transverse momentum distribution in Drell-Yan pair and W and Z boson production
journal, January 1985

Challenges with large transverse momentum in semi-inclusive deeply inelastic scattering
journal, December 2018

Electron-Ion Collider: The next QCD frontier: Understanding the glue that binds us all
journal, September 2016

$O (α_{s}^{2})$ QCD corrections to the electroproduction of hadrons with high transverse momentum
journal, February 2005

Angular distribution of dileptons in high-energy hadron collisions
journal, October 1977

Semi-inclusive hadron production at DESY HERA: The effect of QCD gluon resummation
journal, November 1999

Role of the nonperturbative input in QCD resummed Drell-Yan $Q_{T}$ distributions
journal, April 2001

Nonperturbative Uncertainties on the Transverse Momentum Distribution of Electroweak Bosons and on the Determination of the $W$ Boson Mass at the LHC
journal, March 2019

Parton distribution and decay functions
journal, January 1982

Investigations into the flavor dependence of partonic transverse momentum
journal, November 2013

Theory of W and Z boson production
conference, January 2005

Introduction to GPDs and TMDs
text, January 2016