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Chiral-odd generalized parton distributions for the low-lying octet baryons

Navpreet Kaur* and Harleen Dahiya†

  • *Contact author: knavpreet.hep@gmail.com
  • †Contact author: dahiyah@nitj.ac.in
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Phys. Rev. D 112, 074024 – Published 21 October, 2025

DOI: https://doi.org/10.1103/rt3y-2b8g

Abstract

We have studied the chiral-odd generalized parton distributions (GPDs) for the octet baryons within the framework of diquark spectator model, emphasizing the difference arising from different quark flavors of proton p and light hyperons Σ+ and Ξ0. The equation of quark-quark correlator for the tensor current has been solved to investigate the transversely polarized quark dynamics using light-cone wave functions. In the forward limit, transversity distributions of all the constituent quark flavors of proton, Σ+ and Ξ0, have been studied. Additionally, the first moment of GPD HT and the combination of GPDs ET and H˜T have also been investigated. Our results are comparable with other available model predictions and lattice data for the proton. Furthermore, we have presented a comparative analysis of tensor charges and anomalous tensor magnetic moments for all the constituent quark flavors of the considered baryons, comparing them with available data obtained from different approaches.

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Phys. Rev. D 112, 074024– Published 21 October, 2025
  • Received 4 June 2025
  • Accepted 26 September 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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