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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2006 Volume 84, Issue 8, Pages 487–490 (Mi jetpl1161)

This article is cited in 2 papers

FIELDS, PARTICLES, AND NUCLEI

Calculation of the pentaquark width using QCD sum rules

A. G. Oganesyan

Institute for Theoretical and Experimental Physics

Abstract: The pentaquark width Γϑ has been calculated using the QCD sum rules. The estimate shows that the width does not exceed 1 MeV. The main conclusion is that the sum rules indeed predict a narrow width of the pentaquark ϑ+, and the decay width is suppressed both parametrically and numerically.

PACS: 12.39.-x


 English version:
Journal of Experimental and Theoretical Physics Letters, 2006, 84:8, 409–412

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