EPJ Web of Conferences
Volume 112, 20166th International Conference on Physics Opportunities at an Electron-Ion Collider
|Number of page(s)||7|
|Section||Spin and 3D Structure|
|Published online||21 March 2016|
Spin-Directed Momentum Transfers in SIDIS Baryon Production
Portland Physics Institute University of Michigan
Published online: 21 March 2016
The measurement of transverse single-spin asymmetries for baryon production in the target fragmentation region of semi-inclusive deep-inelastic scattering (SIDIS), can produce important insight into those nonperturbative aspects of QCD directly associated with confinement and with the dynamical breaking of chiral symmetry. We discuss here, in terms of spin-directed momentum transfers, the powerful quantum field- theoretical constraints on the spin-orbit dynamics underlying these transverse spin observables. The Aτ-odd spin-directed momentum shifts, originating either in the target nucleon (δkTN) or in the QCD jets (δ pTN) produced in the deep inelastic scattering process, represent significant quantum entanglement effects connecting information from current fragmentation with observables in target fragmentation.
© Owned by the authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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