Flavor content of the nucleon in an unquenched quark model

Details Flavor content of the nucleon in an unquenched quark model Flavor content of the nucleon in an unquenched quark model

2008-12-02

arxiv.org/abs/0812.0614v1

AIP Conf.Proc.1116:93-96,2009

Physics

Nuclear Physics

Nuclear Theory

4 pages, invited talk at XIII Mexican School of Particles and Fields, San Carlos, Sonora, Mexico, October 6-11, 2008, to be pu

Scientific paper

10.1063/1.3131610

We discuss the flavor content of the nucleon in an unquenched quark model in which the effects of quark-antiquark pairs (up, down and strange) are taken into account in an explicit form. It is shown that the inclusion of quark-antiquark pairs leads to an excess of anti-d over anti-u quarks in the proton and to a large contribution of orbital angular momentum to the spin of the proton.

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