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

Université Paris-Saclay
University of Kentucky

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
Publication status	Published - 1 Jun 2016
Externally published	Yes

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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.",

author = "C{\'e}dric Lorc{\'e} and Liu, \{Keh Fei\}",

note = "Publisher Copyright: {\textcopyright} 2016, Springer-Verlag Wien.",

year = "2016",

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doi = "10.1007/s00601-016-1043-y",

language = "English",

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T1 - Quark and Gluon Orbital Angular Momentum

T2 - Where Are We?

AU - Lorcé, Cédric

AU - Liu, Keh Fei

PY - 2016/6/1

Y1 - 2016/6/1

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.

UR - https://www.scopus.com/pages/publications/84957590104

U2 - 10.1007/s00601-016-1043-y

DO - 10.1007/s00601-016-1043-y

M3 - Article

AN - SCOPUS:84957590104

SN - 0177-7963

VL - 57

SP - 379

EP - 384

JO - Few-Body Systems

JF - Few-Body Systems

IS - 6

ER -

Quark and Gluon Orbital Angular Momentum: Where Are We?

Abstract

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