Effects of Simulation and Detection of Low-Momentum Final State Particles on the Research of Baryon Spectroscopy

JIA Qing-Ying; BAN Yong; JI Xiao-Bin; ZOU Bing-Song

Chinese Physics C> 2003, Vol. 27> Issue(12) : 1053-1057

Effects of Simulation and Detection of Low-Momentum Final State Particles on the Research of Baryon Spectroscopy

Department of Technical Physics,Peking University,Beijing 100871,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

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Abstract：
The BES experiment at Beijing electron-position collider provides an excellent laboratory for the research of Baryon spectroscopy. Some difficulties arise due to the oftenappeared low-momentum of final state particles in such research. Using Ξ * spectrum study from the decay J/ψ→+ΛK- as an example, we analyzed and compared the effects on the results with different versions of MC simulation, as well as the experimental data of low momentum particles, and derived the detection limit for this channel.

References

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. ZOUBS .Nucl.Phys.,2000,A275:167c—172c2. Particle Data Group.Review of Particle Physics,Phys.Rev.,2002,D66:010001 3. ZOU B S .Nucl.Phys.,2001,A684:330c—332c4. GEANT Documentation.http: //wwwinfo.cern.ch/asd/geant/5. GEANT 4Homepage.http: /wwwinfo.cern.ch/asd/geant4/geant4.html 6. Gabriel T A et al.ORNL/TM 5619,Apr.1977 7. Fasso A et al.SLAC REPRINT 2000-117,Oct 2000 8. Gabriel T A et al.Oak Ridge National Lab.Report ORNL 4542 9. Bertini H W.Phys.Rev.,1972,6(2):631

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JIA Qing-Ying, BAN Yong, JI Xiao-Bin and ZOU Bing-Song. Effects of Simulation and Detection of Low-Momentum Final State Particles on the Research of Baryon Spectroscopy[J]. Chinese Physics C, 2003, 27(12): 1053-1057.

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Received: 2003-04-29
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Effects of Simulation and Detection of Low-Momentum Final State Particles on the Research of Baryon Spectroscopy

Corresponding author: BAN Yong,

Department of Technical Physics,Peking University,Beijing 100871,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

Received Date: 2003-04-29
Accepted Date: 1900-01-01
Available Online: 2003-12-05

Abstract: The BES experiment at Beijing electron-position collider provides an excellent laboratory for the research of Baryon spectroscopy. Some difficulties arise due to the oftenappeared low-momentum of final state particles in such research. Using Ξ * spectrum study from the decay J/ψ→+ΛK- as an example, we analyzed and compared the effects on the results with different versions of MC simulation, as well as the experimental data of low momentum particles, and derived the detection limit for this channel.