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2024年10月30日

Gluon Fragmentation in Υ Decay

  • Up to now,no model can reproduce the baryon rates measured by ARGUS collaboration in direct Υ decays,except a qualitative explanation given by Lund model.Instead of the string fragmentation model in Lund picture,we apply the quark production rule and combination rule for qq fragmentation to the colour string for Υ→3g.The results agree well with ARGUS data without extra parameter.
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Get Citation
TIAN Li-Li and XIE Qu-Bing. Gluon Fragmentation in Υ Decay[J]. Chinese Physics C, 1993, 17(10): 885-891.
TIAN Li-Li and XIE Qu-Bing. Gluon Fragmentation in Υ Decay[J]. Chinese Physics C, 1993, 17(10): 885-891. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Gluon Fragmentation in Υ Decay

    Corresponding author: TIAN Li-Li,
  • Department of Physics,Ji'nan Univercity,250002Department of Physics,Sandong Univercity,250100

Abstract: Up to now,no model can reproduce the baryon rates measured by ARGUS collaboration in direct Υ decays,except a qualitative explanation given by Lund model.Instead of the string fragmentation model in Lund picture,we apply the quark production rule and combination rule for qq fragmentation to the colour string for Υ→3g.The results agree well with ARGUS data without extra parameter.

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