Chinese Physics C > 1996, Vol. 20 > Issue(10): 900-912

A Quark Model Including Lepton Structure

Deparment of Modem Physics, University of Science and Technology of China, Hefei 2300262 Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

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Abstract：
The chiral extension of the standard model makes quarks having two chiralities parallelly.Some interesting questions, such as the possibilities of leptons being made of additional leptonic quarks and proton decay, are discussed.We also investigate the supersymmetrization of the extension of quark model.It is proved that such a theory maintains many important characteristics of the original one, but the generation number required for breaking asymptotic freedom is decreased from >33/8 to>9/4 which is compatible with the present experiments.

References

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P.Dirac,The Principle of Quantum Mechanics,4th.ed.Oxford Press（1958）;C.N.Yang,R.Mills,Phys.Rev.,96（1954）191;刘耀阳，高能物理与核物理，6（1982）17[2] S.L.Glashow,Nucl.Phsy,22（1961）579;A.Salam,Elementary Particle Theory,ed.N.Svartholm,Almqvist and Wiksells,Stockholm（1968）;S.Weinberg,Phys.Rev Lett,19（1967）1264.[3] Y.Y.Liu,X.D.Jiang,J.G.Zhou,Nuovo Cimento,108A（1995）167;Commun.Theor.Phys,24（1995）469;Nuovo Cimento.,108A（1995）1457.[4] D.Weingarten,Phys.Rev.Lett,51（1983）1830;S.Nussinov,Phys.Rev.Lett,51（1983）2081;E.Witten,Phys.Rev.Lett、51（1983）2351;C.Vafa EWitten.,Nucl.Phys,B234（1984）173;RR.Zhou,Phys.Lett.215B（1988）364.[5] L.Girardello,M.T.Grisaru,Nucl.Phys.,B194（1982）65.[6] H.E.Haber.GL.Kane,Phys.Report,117（1985）75;J.F.Gunion,H.EHaber,Nucl.Phys,B272（1986）1.[7] R.Gilmore,Lie Group,Lie Algebra,and some of their Applications,John Sons,1974.[8] L.Ibanez,G.G.Ross,Phys.Lett、105B（1981）439;M.B.Einhorn,DR.T.Jones,Nucl.Phys,B196（1982）475; W.Marciano,G.Senjanowich,Phys.Rev.,D25（1982）3092;JEllis, D.V.Nanopoulos,S.Rudas,Nucl.Phys, B202（1982）43;D.Nanopoulos,DA.Rocs,Phys.Lett,118B（1982）99.

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Liu Yaoyang, Jiang Xiangdong and Zhou Jiange. A Quark Model Including Lepton Structure[J]. Chinese Physics C, 1996, 20(10): 900-912.

Liu Yaoyang, Jiang Xiangdong and Zhou Jiange. A Quark Model Including Lepton Structure[J]. Chinese Physics C, 1996, 20(10): 900-912. shu

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Received: 1900-01-01
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

A Quark Model Including Lepton Structure

Corresponding author:Liu Yaoyang,

Deparment of Modem Physics, University of Science and Technology of China, Hefei 2300262 Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1996-10-05

Abstract:The chiral extension of the standard model makes quarks having two chiralities parallelly.Some interesting questions, such as the possibilities of leptons being made of additional leptonic quarks and proton decay, are discussed.We also investigate the supersymmetrization of the extension of quark model.It is proved that such a theory maintains many important characteristics of the original one, but the generation number required for breaking asymptotic freedom is decreased from >33/8 to>9/4 which is compatible with the present experiments.