Stable multiquark states with heavy quarks in a diquark model

نویسندگان

  • Su Houng Lee
  • Shigehiro Yasui
چکیده

Based on the color-spin interaction in diquarks, we argue why some multiquark configurations could be stable against strong decay when heavy quarks are included. After showing the stability of previously discussed states we identify new possible stable states. These are the T 0 cb(udc̄b̄) tetraquark, the Θbs(udusb̄) pentaquark and the Hc(udusuc) dibaryon, and so forth. PACS. 25.75.Nq Quark deconfinement, quark-gluon plasma production, and phase transitions – 12.39.Jh Nonrelativistic quark model – 14.80.-j Other particles (including hypothetical) – 14.20.Pt Dibaryons

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تاریخ انتشار 2009