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The Study on Orbitally Excited Mesons in Potential Model

Author: TanMoYan
Tutor: LiHongCai；WangGuoLi
School: Fujian Normal University
Course: Theoretical Physics
Keywords: BS equation Potential model Orbital P -wave state Quality Decay
CLC: O572.3
Type: Master's thesis
Year: 2003
Downloads: 30
Quote: 0
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Abstract


For the study of the nature of Orbital state meson is one of the cutting-edge issues of the current high-energy physics . Theoretically Orbital P -wave state mesons few experimental data are rarely , some of the nature of the meson has not been . The contents of this article Orbital nature of the P-wave state mesons . First, a review study meson properties of the Bethe-SalPeter (BS) equation and potential model , discussed them about clear physical meaning , but also enable them to solve and calculate . And then take advantage of the potential model theory , based on the expansion of the BS equation to study the nature of some of the P -wave state mesons . Mainly calculated quarkonium (s (?)) Or ( ( ? ) ) System and quark positronium ( ( ? ) ) Or (( ? ) C) the mass spectrum of the system , the wave function obtained with the experimental value consistent data, verify the validity of the study meson nature by this method . And take advantage of the quality spectrum , wave functions to solve Orbital state of decay of the P wave , fill the theoretical data gaps , and looking for the experimental study of the decay of these mesons plays a guiding role , has far-reaching significance . This work for the study of these mesons reference theoretical data , looking for these undiscovered Orbital experimental P -wave state meson , and have been found but not yet understand clearly Orbital P-wave state mesons provides a new ways .

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CLC: > Mathematical sciences and chemical > Physics > Nuclear physics,high energy physics > High-energy physics > Particle types
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