Chinese Physics C > 1981, Vol. 5 > Issue(1): 72-81

SU(3) LEPTON MODEL AND THE DYNAMICAL GENERATION OF LEPTON MASS DIFFERENCES

KUANG YU-PING,

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Abstract：
A SU(3) lepton model is discussed in which the left- and right-handed leptons are on equal footing and sin ²θ _w=1/4 is obtained. Dynamical symmetry breaking is investigated to see if lepton mass difference can be generated in this way so as to reduce the number of Higgs scalars and Yukawa coupling constants. Calculating the effective potential up to two-loop graphs gives the results that composite Goldstone bosons can exist only when the remained Yukawa coupling constant lies within a certain range. The corresponding heavy lepton mass obtained is about 130 GeV.

References

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S. Weinberg, Phys. Rev., D5 (1972), 1962.[2] 周光召、高崇寿,《SU(3)弱电统一理论》预印本.[3] J. M. Cornwall and R. E. Norton, Phys. Rev., D8(1973), 3338.[4] F. Englert and R. Brout, Phys. Lett., 49B (1974), 77.[5] 邝宇平、易余萍,高能物理与核物理,2(1978),拐8.[6] J. M. Cornwall, R. Jackiw and Tomboulie, Phys. Rev., D10 (1974), 2428.[7] S. Colenuan and E. Weinberg, Phys. Rev., D7 (1973), 1888.[8] F. Euglert, J. M. Frere and P. Nicoletopoulos, Phys. Lett., 59B (1975), 346, Ibid, 52B (1974), 443.

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KUANG YU-PING and SU(3) LEPTON MODEL AND THE DYNAMICAL GENERATION OF LEPTON MASS DIFFERENCES[J]. Chinese Physics C, 1981, 5(1): 72-81.

KUANG YU-PING and SU(3) LEPTON MODEL AND THE DYNAMICAL GENERATION OF LEPTON MASS DIFFERENCES[J]. Chinese Physics C, 1981, 5(1): 72-81. shu

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Received: 1979-12-30
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

SU(3) LEPTON MODEL AND THE DYNAMICAL GENERATION OF LEPTON MASS DIFFERENCES

KUANG YU-PING

Received Date:1979-12-30
Accepted Date:1900-01-01
Available Online:1981-05-05

Abstract:ASU(3) lepton model is discussed in which the left- and right-handed leptons are on equal footing and sin²θ_w=1/4 is obtained. Dynamical symmetry breaking is investigated to see if lepton mass difference can be generated in this way so as to reduce the number of Higgs scalars and Yukawa coupling constants. Calculating the effective potential up to two-loop graphs gives the results that composite Goldstone bosons can exist only when the remained Yukawa coupling constant lies within a certain range. The corresponding heavy lepton mass obtained is about 130 GeV.