In depth analysis of the combined HERA data in the dipole models with and without saturation

doi:10.1103/PhysRevD.98.036002

Title: In depth analysis of the combined HERA data in the dipole models with and without saturation

Abstract

Here, we present an updated impact parameter dependent saturation model (IPsat) determined trough a fit to the combined HERA I and I+II reduced cross section data. The same HERA data are used to fit the linearized (IPnonsat) version of the applied dipole amplitude, which makes it possible to estimate the magnitude of the saturation effects in various experiments. We find that both parametrizations provide comparable descriptions of the considered data when an effective confinement scale dynamics is incorporated with quark masses. Moreover, it is possible to consistently determine the light and charm quark masses. The role of potentially non-perturbatively large dipoles is examined in detail, with the result that, especially in case of the structure function F ₂, their contribution is numerically significant. Potential to discriminate between the two models in future e + p and e + A experiments is also illustrated.

Authors:: Mäntysaari, H.; Zurita, P.

Publication Date:: 2018-08-01

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

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)

OSTI Identifier:: 1462452

Alternate Identifier(s):: OSTI ID: 1471181

Report Number(s):: BNL-209043-2018-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 036002

Grant/Contract Number:: SC0012704

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 3; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Mäntysaari, H., and Zurita, P. In depth analysis of the combined HERA data in the dipole models with and without saturation.  United States: N. p., 2018. 
        Web.  doi:10.1103/PhysRevD.98.036002.

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                    Mäntysaari, H., & Zurita, P. In depth analysis of the combined HERA data in the dipole models with and without saturation.  United States.  doi:10.1103/PhysRevD.98.036002.

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                    Mäntysaari, H., and Zurita, P. Wed .  
        "In depth analysis of the combined HERA data in the dipole models with and without saturation".  United States.  doi:10.1103/PhysRevD.98.036002.

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@article{osti_1462452,

  title        = {In depth analysis of the combined HERA data in the dipole models with and without saturation},

  author       = {Mäntysaari, H. and Zurita, P.},

  abstractNote = {Here, we present an updated impact parameter dependent saturation model (IPsat) determined trough a fit to the combined HERA I and I+II reduced cross section data. The same HERA data are used to fit the linearized (IPnonsat) version of the applied dipole amplitude, which makes it possible to estimate the magnitude of the saturation effects in various experiments. We find that both parametrizations provide comparable descriptions of the considered data when an effective confinement scale dynamics is incorporated with quark masses. Moreover, it is possible to consistently determine the light and charm quark masses. The role of potentially non-perturbatively large dipoles is examined in detail, with the result that, especially in case of the structure function F2, their contribution is numerically significant. Potential to discriminate between the two models in future e + p and e + A experiments is also illustrated.},

  doi          = {10.1103/PhysRevD.98.036002},

  journal      = {Physical Review D},

  number       = 3,

  volume       = 98,

  place        = {United States},

  year         = {2018},

  month        = {8}

}

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DOI: 10.1103/PhysRevD.98.036002

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Measurement of the proton structure function <mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:msub><mml:mi>F</mml:mi><mml:mi>L</mml:mi></mml:msub><mml:mo stretchy="false">(</mml:mo><mml:mi>x</mml:mi><mml:mo>,</mml:mo><mml:msup><mml:mi>Q</mml:mi><mml:mn>2</mml:mn></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:math> at low x
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Title: In depth analysis of the combined HERA data in the dipole models with and without saturation

Abstract

Citation Formats

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Dipole model analysis of high precision HERA data journal, April 2014

Incoherent diffractive J / Ψ production in high-energy nuclear deep-inelastic scattering journal, June 2011

Dipole factorization for DIS at NLO: Combining the q q ¯ and q q ¯ g contributions journal, October 2017

The structure function ratios F2C/F2D and F2C/F2D at small x journal, May 1995

Systematics of strong nuclear amplification of gluon saturation from exclusive vector meson production in high energy electron–nucleus collisions journal, June 2018

Physics of Ultra-Peripheral Nuclear Collisions journal, December 2005

The Color Glass Condensate journal, November 2010

Saturation in diffractive deep inelastic scattering journal, November 1999

Measurement of the longitudinal proton structure function at HERA journal, November 2009

Off-diagonal distributions fixed by diagonal partons at small x and ξ journal, June 1999

DiffractiveJ/Ψ electroproduction in LLA QCD journal, March 1993

Operator expansion for high-energy scattering journal, March 1996

Diffractive electroproduction of ρ and ϕ mesons at HERA journal, May 2010

Next-to-leading order Balitsky-Kovchegov equation with resummation journal, May 2016

Parton distributions from high-precision collider data: NNPDF Collaboration journal, October 2017

Revealing proton shape fluctuations with incoherent diffraction at high energy journal, August 2016

Dipole model analysis of highest precision HERA data, including very low Q 2 journal, January 2017

Deep inelastic scattering in the dipole picture at next-to-leading order journal, November 2017

Combination of measurements of inclusive deep inelastic $${e^{\pm }p}$$ e ± p scattering cross sections and QCD analysis of HERA data: H1 and ZEUS Collaborations journal, December 2015

The shape of the proton at high energies journal, December 2014

A Large Hadron Electron Collider at CERN Report on the Physics and Design Concepts for Machine and Detector journal, July 2012

The one loop gluon emission light cone wave function journal, April 2017

One-loop corrections to light cone wave functions: The dipole picture DIS cross section journal, June 2018

Exclusive J / ψ Photoproduction off Protons in Ultraperipheral p -Pb Collisions at s NN = 5.02 TeV journal, December 2014

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Exclusive photoproduction of $J/\psi$ mesons at HERA journal, July 2002

Parton distributions with small-x resummation: evidence for BFKL dynamics in HERA data journal, April 2018

Exclusive vector meson production at high energies and gluon saturation journal, September 2014

Combined measurement and QCD analysis of the inclusive e ± p scattering cross sections at HERA journal, January 2010

Direct numerical solution of the coordinate space Balitsky-Kovchegov equation at next-to-leading order journal, April 2015

Combination and QCD analysis of charm and beauty production cross-section measurements in deep inelastic ep scattering at HERA journal, June 2018

Impact parameter dipole saturation model journal, December 2003

Single inclusive particle production at high energy from HERA data to proton-nucleus collisions journal, December 2013

Evidence of Strong Proton Shape Fluctuations from Incoherent Diffraction journal, July 2016

Elastic and proton-dissociative photoproduction of J/ψ mesons at HERA journal, June 2013

Shadowing in inelastic scattering of muons on carbon, calcium and lead at lowx Bj journal, September 1995

Asymptotic freedom in parton language journal, August 1977

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

Next-to-leading order evolution of color dipoles journal, January 2008

AAMQS: A non-linear QCD analysis of new HERA data at small-x including heavy quarks journal, July 2011

A re-evaluation of the nuclear structure function ratios for D, He, 6Li, C and Ca journal, May 1995

Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA journal, February 2013

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

Nuclear enhancement and suppression of diffractive structure functions at high energies journal, October 2008

Exclusive diffractive processes at HERA within the dipole picture journal, October 2006

Small- x nonlinear evolution with impact parameter and the structure function data journal, November 2011

Next-to-Leading Order Computation of Exclusive Diffractive Light Vector Meson Production in a Saturation Framework journal, August 2017

Exclusive vector meson production and small-x evolution journal, January 2013

$J / Ψ$ production in ultraperipheral Pb+Pb and $p$ +Pb collisions at energies available at the CERN Large Hadron Collider
journal, March 2013

Dipole model analysis of high precision HERA data
journal, April 2014

Incoherent diffractive $J / Ψ$ production in high-energy nuclear deep-inelastic scattering
journal, June 2011

Dipole factorization for DIS at NLO: Combining the $q \bar{q}$ and $q \bar{q} g$ contributions
journal, October 2017

The structure function ratios F2C/F2D and F2C/F2D at small x
journal, May 1995

Systematics of strong nuclear amplification of gluon saturation from exclusive vector meson production in high energy electron–nucleus collisions
journal, June 2018

Physics of Ultra-Peripheral Nuclear Collisions
journal, December 2005

The Color Glass Condensate
journal, November 2010

Saturation in diffractive deep inelastic scattering
journal, November 1999

Measurement of the longitudinal proton structure function at HERA
journal, November 2009

Off-diagonal distributions fixed by diagonal partons at small x and $ξ$
journal, June 1999

DiffractiveJ/Ψ electroproduction in LLA QCD
journal, March 1993

Operator expansion for high-energy scattering
journal, March 1996

Diffractive electroproduction of ρ and ϕ mesons at HERA
journal, May 2010

Next-to-leading order Balitsky-Kovchegov equation with resummation
journal, May 2016

Parton distributions from high-precision collider data: NNPDF Collaboration
journal, October 2017

Revealing proton shape fluctuations with incoherent diffraction at high energy
journal, August 2016

Dipole model analysis of highest precision HERA data, including very low $Q^{2}$
journal, January 2017

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journal, November 2017

Combination of measurements of inclusive deep inelastic $${e^{\pm }p}$$ e ± p scattering cross sections and QCD analysis of HERA data: H1 and ZEUS Collaborations
journal, December 2015

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journal, December 2014

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journal, July 2012

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journal, April 2017

One-loop corrections to light cone wave functions: The dipole picture DIS cross section
journal, June 2018

Exclusive $J / ψ$ Photoproduction off Protons in Ultraperipheral $p$ -Pb Collisions at $\sqrt{s_{NN}} = 5.02 TeV$
journal, December 2014

Nuclear Enhancement of Universal Dynamics of High Parton Densities
journal, January 2008

Exclusive photoproduction of $J/\psi$ mesons at HERA
journal, July 2002

Parton distributions with small-x resummation: evidence for BFKL dynamics in HERA data
journal, April 2018

Exclusive vector meson production at high energies and gluon saturation
journal, September 2014

Combined measurement and QCD analysis of the inclusive e ± p scattering cross sections at HERA
journal, January 2010

Direct numerical solution of the coordinate space Balitsky-Kovchegov equation at next-to-leading order
journal, April 2015

Combination and QCD analysis of charm and beauty production cross-section measurements in deep inelastic ep scattering at HERA
journal, June 2018

Impact parameter dipole saturation model
journal, December 2003

Single inclusive particle production at high energy from HERA data to proton-nucleus collisions
journal, December 2013

Evidence of Strong Proton Shape Fluctuations from Incoherent Diffraction
journal, July 2016

Elastic and proton-dissociative photoproduction of J/ψ mesons at HERA
journal, June 2013

Shadowing in inelastic scattering of muons on carbon, calcium and lead at lowx Bj
journal, September 1995

Asymptotic freedom in parton language
journal, August 1977

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

Next-to-leading order evolution of color dipoles
journal, January 2008

AAMQS: A non-linear QCD analysis of new HERA data at small-x including heavy quarks
journal, July 2011

A re-evaluation of the nuclear structure function ratios for D, He, 6Li, C and Ca
journal, May 1995

Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA
journal, February 2013

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

Nuclear enhancement and suppression of diffractive structure functions at high energies
journal, October 2008

Exclusive diffractive processes at HERA within the dipole picture
journal, October 2006

Small- $x$ nonlinear evolution with impact parameter and the structure function data
journal, November 2011

Next-to-Leading Order Computation of Exclusive Diffractive Light Vector Meson Production in a Saturation Framework
journal, August 2017

Exclusive vector meson production and small-x evolution
journal, January 2013