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A Diquark-Triquark Model for the KN Pentaquark | | Marek Karliner
; Harry J. Lipkin
; | | Date: |
25 Feb 2004 | | Journal: | Phys.Lett. B575 (2003) 249-255 | | Subject: | hep-ph hep-ex | | Abstract: | We propose a model for the recently discovered Theta^+ exotic KN resonance as a novel kind of a pentaquark with an unusual color structure: a color triplet (ud) diquark, coupled to a color anti-triplet (ud s-bar) triquark in a relative P-wave. The state has J^P=1/2^+, I=0 and is an antidecuplet of SU(3)_f. A rough mass estimate of this pentaquark is close to experiment. | | Source: | arXiv, hep-ph/0402260 | | Services: | Forum | Review | PDF | Favorites | |
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