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arXiv · 2512.20897

Study of SIDIS Unpolarized Cross Sections from a $^3$He Target with the Solenoidal Large Intensity Device at JLab

Matteo Cerutti·Jian-Ping Chen·Umberto D'Alesio·Haiyan Gao·Shuo Jia·Vladimir Khachatryan·Alexei Prokudin·Lorenzo Rossi·Ye Tian·Zhiwen Zhao
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Abstract

In this paper we present a detailed impact study of semi-inclusive deep inelastic scattering unpolarized cross sections' measurements using the proposed SoLID apparatus at Jefferson Lab. This type of data, collected at large Bjorken $x_{bj}$, moderate values of $Q^2$ and small values of the transverse momentum of produced hadrons, $P_{hT}$, allows to study transverse momentum dependent (TMD) parton distribution and fragmentation functions in a still poorly explored region. We present the projected results for charged light mesons based on simulated data. For the azimuthal-angle integrated cross sections we adopt the TMD framework up to the next-to-next-to-next-to-leading-logarithmic (N3LL) accuracy, while a simpler TMD parton model is employed for the study of azimuthal angular dependencies.

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Matteo Cerutti, Jian-Ping Chen, Umberto D'Alesio, Haiyan Gao, Shuo Jia, Vladimir Khachatryan, Alexei Prokudin, Lorenzo Rossi, Ye Tian, Zhiwen Zhao. 2025-12-24. Study of SIDIS Unpolarized Cross Sections from a $^3$He Target with the Solenoidal Large Intensity Device at JLab. https://arxiv.org/abs/2512.20897

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