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The nucleon energy-energy correlator (NEEC) was proposed in X. Liu and H. X. Zhu, Nucleon Energy Correlators, Phys. Rev. Lett. 130 (2023) 091901 as a new way to study the nucleon structure. We present the factorization theorem that enables the measurement of the unpolarized NEEC in lepton-nucleon collisions. We present the complete spectrum for the observalbe. The corresponding collinear and transverse momentum-dependent logarithms are resummed to all orders with the accuracy of NLL and N³LL, respectively. And the results in the full region are matched with O (²ₛ) fixed-order calculation.
Haotian Cao (Tue,) studied this question.
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