Virtual Meson Cloud of the Nucleon and Intrinsic Strangeness and Charm

Details Virtual Meson Cloud of the Nucleon and Intrinsic Strangeness and Charm Virtual Meson Cloud of the Nucleon and Intrinsic Strangeness and Charm

1996-10-10

arxiv.org/abs/hep-ph/9610310v1

Mod.Phys.Lett. A13 (1998) 2715-2724

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages RevTex, 4 figures

Scientific paper

10.1142/S0217732398002886

We have applied the Meson Cloud Model (MCM) to calculate the charm and strange antiquark distribution in the nucleon. The resulting distribution, in the case of charm, is very similar to the intrinsic charm momentum distribution in the nucleon. This seems to corroborate the hypothesis that the intrinsic charm is in the cloud and, at the same time, explains why other calculations with the MCM involving strange quark distributions fail in reproducing the low x region data. From the intrinsic strange distribution in the nucleon we have extracted the strangeness radius of the nucleon, which is in agreement with other meson cloud calculations.

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