Quark and Gluon Orbital Angular Momentum: Where Are We?

Cédric Lorcé; Keh Fei Liu

doi:10.1007/s00601-016-1043-y

Quark and Gluon Orbital Angular Momentum: Where Are We?

Cédric Lorcé, Keh Fei Liu

Physics And Astronomy

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	379-384
Number of pages	6
Journal	Few-Body Systems
Volume	57
Issue number	6
DOIs	https://doi.org/10.1007/s00601-016-1043-y
State	Published - Jun 1 2016

Bibliographical note

Publisher Copyright:
© 2016, Springer-Verlag Wien.

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1007/s00601-016-1043-y

Cite this

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title = "Quark and Gluon Orbital Angular Momentum: Where Are We?",

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.",

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year = "2016",

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AU - Liu, Keh Fei

PY - 2016/6/1

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N2 - 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.

AB - 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.

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VL - 57

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JO - Few-Body Systems

JF - Few-Body Systems

IS - 6

ER -

Quark and Gluon Orbital Angular Momentum: Where Are We?

Abstract

Bibliographical note

ASJC Scopus subject areas

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