Phenomenology of large N{sub c} QCD

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These lectures are designed to introduce the methods and results of large N{sub c} QCD in a presentation intended for nuclear and particle physicists alike. Beginning with definitions and motivations of the approach, they demonstrate that all quark and gluon Feynman diagrams are organized into classes based on powers of 1/N{sub c}. They then show that this result can be translated into definite statements about mesons and baryons containing arbitrary numbers of constituents. In the mesons, numerous well-known phenomenological properties follow as immediate consequences of simply counting powers of N{sub c}, while for the baryons, quantitative large N{sub c} analyses ... continued below

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1409 Kilobytes pages

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Lebed, Richard September 1, 1998.

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Description

These lectures are designed to introduce the methods and results of large N{sub c} QCD in a presentation intended for nuclear and particle physicists alike. Beginning with definitions and motivations of the approach, they demonstrate that all quark and gluon Feynman diagrams are organized into classes based on powers of 1/N{sub c}. They then show that this result can be translated into definite statements about mesons and baryons containing arbitrary numbers of constituents. In the mesons, numerous well-known phenomenological properties follow as immediate consequences of simply counting powers of N{sub c}, while for the baryons, quantitative large N{sub c} analyses of masses and other properties are seen to agree with experiment, even when ``large'' N{sub c} is set equal to its observed value of 3. Large N{sub c} reasoning is also used to explain some simple features of nuclear interactions.

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1409 Kilobytes pages

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  • 11th Indian-Summer School of Nuclear Physics, Prague (CZ), 09/1998

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  • Report No.: DOE/ER/40150-1495
  • Report No.: JLAB-THY-98-42
  • Report No.: nucl-th/9810080
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 755918
  • Archival Resource Key: ark:/67531/metadc707627

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • September 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:25 p.m.

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Lebed, Richard. Phenomenology of large N{sub c} QCD, article, September 1, 1998; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc707627/: accessed April 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.