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Abstract
Can nucleus consists only of nonstrange nucleons(strangeness quantum number S=0)?Recent theoretical investigations suggest that in addition to known hypernuclei with S=-1,-2,there is exsiting possibility to produce multistrange nuclear systems with S≤-3,which may be conventional bound sysytems made up of A baryons ( nucleons and hyperons) or more deeply bound manybody systems consisting of 3 A quarks(u,d,s quarks) which are confined in a“bag”.These systems are underway or planned experimentaly.
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