Study of the subleading twist GTMD $E_{21}$ for proton in light-front quark-diquark model.
S. Jain, S. Sharma and H. Dahiya*
*: corresponding author
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Published on: October 27, 2025
Abstract
In this work, we study the generalized transverse momentum dependent distribution (GTMD) $E_{21}$ for proton using light-front quark-diquark model. We construct the expression of $E_{21}$ GTMD using the overlap equation in light-front wave functions obtained from the GTMD correlator with Dirac matrix structure $\Gamma=1$, in both situations of scalar and vector diquark. The $3$-dimensional plots of GTMD $E_{21}$ have been analyzed with respect to its variables by taking two variables at a time while holding others constant.
DOI: https://doi.org/10.22323/1.483.0071
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