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QCD SUM RULES: INTERCROSSED RELATIONS FOR THE Σ⁰–Λ MASS SPLITTING

A. ÖZPINECI

International Centre for Theoretical Physics, Trieste, Italy

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S. B. YAKOVLEV

Institute of Nuclear Physics, M. V. Lomonosov Moscow State University, Vorobjovy Gory, Moscow, Russia

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V. S. ZAMIRALOV

Institute of Nuclear Physics, M. V. Lomonosov Moscow State University, Vorobjovy Gory, Moscow, Russia

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https://doi.org/10.1142/S021773230501649XCited by:13 (Source: Crossref)

Abstract

New relations between QCD Borel sum rules for masses of Σ⁰ and Λ hyperons are constructed. It is shown that starting from the sum rule for the Σ⁰ hyperon mass it is straightforward to obtain the corresponding sum rule for the Λ hyperon mass and vice versa.

Keywords:

PACS: 11.55.Hx, 11.30.Hv

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