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Gluon GTMDs at nonzero skewness and impact parameter dependent parton distributions.

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Title: Gluon GTMDs at nonzero skewness and impact parameter dependent parton distributions.
Authors: Tan, Chentao1 (AUTHOR), Lu, Zhun1 (AUTHOR) zhunlu@seu.edu.cn
Source: European Physical Journal C -- Particles & Fields. Jun2024, Vol. 84 Issue 6, p1-11. 11p.
Subjects: Partons, Wave functions, Particles (Nuclear physics), Fourier transforms, Gluons, Quantum chromodynamics
Abstract: We investigate the leading twist generalized transverse momentum dependent parton distributions (GTMDs) of the unpolarized and longitudinally polarized gluons in the nucleon. We adopt a light-front gluon-triquark model for the nucleon motivated by soft-wall AdS/QCD. The gluon GTMDs are defined through the off-forward gluon-gluon generalized correlator and are expressed as the overlap of light-cone wave functions. The GTMDs can be employed to provide the generalized parton distributions (GPDs) by integrating out the transverse momentum. The Fourier transform of the GPDs encodes the parton distributions in the transverse position space, namely, the impact parameter dependent parton distributions (IPDs). We also calculate the three gluon IPDs corresponding to the GPDs H g , E g and H ~ g , and present their dependence on x and b ⊥ , respectively. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Gluon GTMDs at nonzero skewness and impact parameter dependent parton distributions.
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  Data: <searchLink fieldCode="AR" term="%22Tan%2C+Chentao%22">Tan, Chentao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Zhun%22">Lu, Zhun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhunlu@seu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Jun2024, Vol. 84 Issue 6, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Partons%22">Partons</searchLink><br /><searchLink fieldCode="DE" term="%22Wave+functions%22">Wave functions</searchLink><br /><searchLink fieldCode="DE" term="%22Particles+%28Nuclear+physics%29%22">Particles (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+transforms%22">Fourier transforms</searchLink><br /><searchLink fieldCode="DE" term="%22Gluons%22">Gluons</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+chromodynamics%22">Quantum chromodynamics</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: We investigate the leading twist generalized transverse momentum dependent parton distributions (GTMDs) of the unpolarized and longitudinally polarized gluons in the nucleon. We adopt a light-front gluon-triquark model for the nucleon motivated by soft-wall AdS/QCD. The gluon GTMDs are defined through the off-forward gluon-gluon generalized correlator and are expressed as the overlap of light-cone wave functions. The GTMDs can be employed to provide the generalized parton distributions (GPDs) by integrating out the transverse momentum. The Fourier transform of the GPDs encodes the parton distributions in the transverse position space, namely, the impact parameter dependent parton distributions (IPDs). We also calculate the three gluon IPDs corresponding to the GPDs H g , E g and H ~ g , and present their dependence on x and b ⊥ , respectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epjc/s10052-024-12976-3
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Wave functions
        Type: general
      – SubjectFull: Particles (Nuclear physics)
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      – SubjectFull: Fourier transforms
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      – SubjectFull: Gluons
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      – SubjectFull: Quantum chromodynamics
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      – TitleFull: Gluon GTMDs at nonzero skewness and impact parameter dependent parton distributions.
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              Text: Jun2024
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