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Chinese Physics C> 1994, Vol. 18> Issue(9) : 807-812 

Production Percentages of L=1 Excited Baryons in e+e－ Annihilation

  •  Physics Department, Shandong Universty, Jinan 250100

  • We use a simple decay model of low excited baryon states to evaluate the decay contributions of these states to the (1/2)+ and (3/2)+ baryons. we further input the experiment values R1=(1530)/Ξ, R2=∑(1385 )/∑and R3=∧(1520)/∑(1385)at γ on c.m. energy and use the basic relations derived in the precious paper todetermine the total production rates of the low excited baryons of various SUf(3)multiplets.
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    [1] ARGUS Collab,H.Albrechtetal,Z.Phys,C39（1988）177;Phys.Lett.B215（1988）429.[2]王群、谢去病，高能物理与核物理，18（1994）702[3]Particle Data Group,Phys.Lett.,B239（1990）.[4]N.P.Samles,M.Goldberg and B.T.Meadows.Rev.Mod.Phys,46（1974）49.[5]D.Flamm and F.Schoberl,Introduction to the Quark Model of Elementary Particles,Vol1,Gorden Breach Science Publishers,Inc.New York,1982.p.246.

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Wang Qun and Xie Qubing. Production Percentages of L=1 Excited Baryons in e+e－ Annihilation[J]. Chinese Physics C, 1994, 18(9): 807-812.
Wang Qun and Xie Qubing. Production Percentages of L=1 Excited Baryons in e+e－ Annihilation[J]. Chinese Physics C, 1994, 18(9): 807-812. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Production Percentages of L=1 Excited Baryons in e+e－ Annihilation

    Corresponding author: Wang Qun,
  • Physics Department, Shandong Universty, Jinan 250100
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1994-09-05

Abstract: We use a simple decay model of low excited baryon states to evaluate the decay contributions of these states to the (1/2)+ and (3/2)+ baryons. we further input the experiment values R1=(1530)/Ξ, R2=∑(1385 )/∑and R3=∧(1520)/∑(1385)at γ on c.m. energy and use the basic relations derived in the precious paper todetermine the total production rates of the low excited baryons of various SUf(3)multiplets.

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