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Quark and Gluon Orbital Angular Momentum: Where Are We?
- Source :
- Few-Body Systems. 57:379-384
- Publication Year :
- 2016
- Publisher :
- Springer Science and Business Media LLC, 2016.
-
Abstract
- The orbital angular momentum of quarks and gluons contributes significantly to the proton spin budget and attracted a lot of attention in the recent years, both theoretically and experimentally. We summarize the various definitions of parton orbital angular momentum together with their relations with parton distributions functions. In particular, we highlight current theoretical puzzles and give some prospects.<br />Comment: 6 pages, contribution to the proceedings of the LigthCone 2015 Conference, Sep 21-25, INFN Frascati National Laboratories, Frascati, Italy
- Subjects :
- Quark
Physics
Particle physics
Angular momentum
010308 nuclear & particles physics
High Energy Physics::Phenomenology
FOS: Physical sciences
Parton
01 natural sciences
Atomic and Molecular Physics, and Optics
Gluon
High Energy Physics - Phenomenology
High Energy Physics - Phenomenology (hep-ph)
0103 physical sciences
Quark–gluon plasma
Proton spin crisis
High Energy Physics::Experiment
Nuclear Experiment
010306 general physics
Subjects
Details
- ISSN :
- 14325411 and 01777963
- Volume :
- 57
- Database :
- OpenAIRE
- Journal :
- Few-Body Systems
- Accession number :
- edsair.doi.dedup.....4ae5fcb729ea7c142270b33f1b23079a