2018OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

New Results on Nucleon Spin Structure Functions

Emlyn Hughes

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Abstract

The history, ancient and recent, of nucleon spin structure functions is reviewed.New first measurements of the neutron spin structure function are compared to past measurements of the proton spin structure function.The comparison sheds light on a fundamental QCD sum rule derived by Bjorken, and the results are used to interpret the spin of the nucleon in the Quark Parton Model.

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The history, ancient and recent, of nucleon spin structure functions is reviewed.New first measurements of the neutron spin structure function are compared to past measurements of the proton spin structure function.The comparison sheds light on a fundamental QCD sum rule derived by Bjorken, and the results are used to interpret the spin of the nucleon in the Quark Parton Model.

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Available abstract

The history, ancient and recent, of nucleon spin structure functions is reviewed.New first measurements of the neutron spin structure function are compared to past measurements of the proton spin structure function.The comparison sheds light on a fundamental QCD sum rule derived by Bjorken, and the results are used to interpret the spin of the nucleon in the Quark Parton Model.

Key concepts: Nucleon, Spin (aerodynamics), Physics, Nuclear physics, Thermodynamics

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