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On the search for a narrow penta-quark Z+-baryon in NN interactions (2000)

Polyakov, M.V. ; Sibirtsev, A. ; Tsushima, K. ; [et al.]

Springer

The European physical journal 9 (2000), S. 115-118

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ISSN: 1434-601X

Keywords: PACS. 12.39.Mk Glueball and nonstandard multiquark/gluon states – 13.75.Cs Nucleon-nucleon interactions – 13.75.Jz Kaon-baryon interactions – 14.20.-c Baryons

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract: The possibility for an observation of a narrow penta-quark Z+-baryon in NN reactions is discussed. It is shown that the pp↦nΣ+ K + reaction at excess energies around 100 MeV above threshold provides optimal conditions for Z+-baryon detection by an analysis of the nK+ invariant mass spectrum, if the Z+ mass is located around 1.5 GeV involving a rather narrow width.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s100500070061

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