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Notes on the orbital angular momentum of quarks in the nucleon · Around

2011

Notes on the orbital angular momentum of quarks in the nucleon

Hatta, Yoshitaka

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We discuss the orbital angular momentum of partons inside a longitudinally polarized proton in the recently proposed framework of spin decomposition.

The quark orbital angular momentum defined by Ji can be decomposed into the `canonical' and the `potential' angular momentum parts, both of which are represented as the matrix element of a manifestly gauge invariant operator.

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