513 resultados para Cousins


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We describe a new exact relation for large N(c) QCD for the long-distance behavior of baryon form factors in the chiral limit. This model-independent relation is used to test the consistency of the structure of several baryon models. All 4D semiclassical chiral soliton models satisfy the relation, as does the Pomarol-Wulzer holographic model of baryons as 5D Skyrmions. However, remarkably, we find that the holographic model treating baryons as instantons in the Sakai-Sugimoto model does not satisfy the relation.

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Collection : La mosaïque ; N°33

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Mode of access: Internet.

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Introductory note signed: A. N.

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"Supplementary notes, supplied by J.H. Pickford, esq., member of the Asiatic Society of Paris": vol. I, p. [255]-259 : vol. II, p. [283]-290.