Abstract
We discuss the measurement of gluon transverse momentum distribution (TMD) in dijet and heavy hadron pair (HHP) production in semi-inclusive deep inelastic scattering. The factorization of these processes in position space shows the appearance of a specific new soft factor matrix element on top of angular and complex valued anomalous dimensions. We show in detail how these features can be treated consistently and we discuss a scale prescription for the evolution kernel of the dijet soft function. As a result we obtain phenomenological predictions for unpolarized and angular modulated cross-sections for the electron-ion collider (EIC) using current available information on unpolarized TMD.
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del Castillo, R.F., Echevarria, M.G., Makris, Y. et al. Transverse momentum dependent distributions in dijet and heavy hadron pair production at EIC. J. High Energ. Phys. 2022, 47 (2022). https://doi.org/10.1007/JHEP03(2022)047
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DOI: https://doi.org/10.1007/JHEP03(2022)047