Nuclear longitudinal structure function in eA processes at the LHeC release_qf53zxpcy5hwlonahz3ksfinzm

Abstract

The nucleon and nuclear longitudinal structure functions are determined by the Kharzeev-Levin-Nardin (KLN) model of the low x gluon distribution. The behavior of the gluon distribution ratio R_g=G^A/AG^p and the ratio R_L^total=F_L^A-total/AF_L^p-total in this processes are found. The heavy longitudinal structure function ratios in eA processes at the LHeC region are discussed. Heavy contributions to the ratio of the total longitudinal structure function are considerable and should not be neglected especially at smaller x of the LHeC project. In the KLN model the new geometrical scaling for transition from the linear to nonlinear regions in accordance with the LHeC processes is used, whose results intensively depended on the heavy quarks mass effect.
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