PoS - Proceedings of Science
Volume 297 - XXV International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2017) - WG6 and WG7 joint session
Standard convolution description of deuteron tensor spin structure
W. Cosyn*, Y.b. Dong, S. Kumano and M. Sargsian
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Pre-published on: November 27, 2017
Published on: January 16, 2018
Spin-1 hadrons have additional structure functions not present for spin 1/2 hadrons. These could probe novel aspects of hadron structure and QCD dynamics. For the deuteron, the tensor structure function $b_1$ inherently mixes quark and nuclear degrees of freedom. These proceedings discuss two standard convolution models applied to calculations of the deuteron $b_1$ structure functions. We find large differences with the existing HERMES data and other convolution model calculations. This leaves room for non-standard contributions to $b_1$ in the deuteron. We also discuss the influence of higher twist nuclear effects in the model calculations and data extraction at kinematics covered in HERMES and Jefferson Lab.
DOI: https://doi.org/10.22323/1.297.0113
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