Cluster reducibility of multiquark operators

Lucha, W; Melikhov, D; Sazdjian, H

Lucha, W; Melikhov, D (reprint author), Austrian Acad Sci, Inst High Energy Phys, Nikolsdorfergasse 18, A-1050 Vienna, Austria.; Melikhov, D (reprint author), Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia.; Melikhov,

PHYSICAL REVIEW D, 2019; 100 (9):

Abstract

It is shown that the multiquark gauge-invariant operators can, in general, be decomposed into combinations of products of ordinary hadronic operators,......

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