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P-wave charmonium decays into baryon and antibaryon pairs in quark pair creation model (2005)

Ping, R. G. ; Zou, B. S. ; Chiang, H. C.

Springer

The European physical journal 23 (2005), S. 129-133

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ISSN: 1434-601X

Keywords: 13.25.Gv Decays of J/ψ, ϒ, and other quarkonia ; 12.39.Jh Nonrelativistic quark model ; 14.20.Jn Hyperons

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract. A simple quark pair creation model is introduced to study exclusive decays of χ{c_J} into baryon-antibaryon pairs. With this simple model, some exclusive decay processes, for example, χ{c0} → B¯ (B = Λ,Σ0,Ξ-) are investigated and their decay widths are evaluated by inclusion of the properties of outgoing baryons, and the results show that the strengthened decay channels χ{c_J} → Λ¯(J = 0, 2) are easily understood by considering only the color singlet contribution of P-wave charmonium.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1140/epja/i2004-10069-9

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