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Chinese Physics C> 1991, Vol. 15> Issue(5) : 473-476 

A Harbour for Strong CP Problem——Heavy Quarks

  •  Institute of High Energy Physics,Academia Sinica,Beijing 1000391 Department of Physics,Simon Fraser University Burnaby B.C.Canada V5A 1S6

  • Missing points in previous literature about strong CP are remarked.Emphasis is put on vacuum alignment with heavy quark taking into account.After obtaining the master equations of vacuum alignment,we point out that mCd=0 is the sufficient and necessary condition for =0,where m is the mass of a quark and Cd the dynamical condensate of the same quark.People have discussed the scenario with a vanishing u quark mass.We propose here a different scenario with Cd=0 where Cd is the dynamical condensate of a heavy quark.
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    [1] Z. Huang, K. S. Viswanathan and D. D., Wu, Simon Fraser Preprint, SFU-July-90-1, TO Be punlished; Z. Huang and D. D. Wu, SFU-July-90-2, Comm. Theo. iPhys/i. (Beijing), in press.[2] R. Dashen, iPhys/i. iRev/i, D3(1971), 1879.[3] R. Crewther, in Field theoretical, Methods in Partical Physics, NATO Advance Study Institute, Kaiser-slautern, Germany, 1979, ed. W. Ruhl(Plenum Press, New York and London, 1980); P. Di Vecchia and G. Veneziano, iPhys/i, B171(1980), 253; E. Witten, Ann. phys. (NY)128(1980), 363. G't Hooft, iPhys/i. Rep., 142(1986), 357, see Eq.(2.27).[4] Z. Huang and D. D. WU, SFU-July-90-3.[5] B. McKellar and D. D. Wu, in preoaration.

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WU Dan-Di and HUANG Zheng. A Harbour for Strong CP Problem——Heavy Quarks[J]. Chinese Physics C, 1991, 15(5): 473-476.
WU Dan-Di and HUANG Zheng. A Harbour for Strong CP Problem——Heavy Quarks[J]. Chinese Physics C, 1991, 15(5): 473-476. shu
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Received: 1900-01-01
Revised: 1900-01-01
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A Harbour for Strong CP Problem——Heavy Quarks

    Corresponding author: WU Dan-Di,
  • Institute of High Energy Physics,Academia Sinica,Beijing 1000391 Department of Physics,Simon Fraser University Burnaby B.C.Canada V5A 1S6
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1991-05-05

Abstract: Missing points in previous literature about strong CP are remarked.Emphasis is put on vacuum alignment with heavy quark taking into account.After obtaining the master equations of vacuum alignment,we point out that mCd=0 is the sufficient and necessary condition for =0,where m is the mass of a quark and Cd the dynamical condensate of the same quark.People have discussed the scenario with a vanishing u quark mass.We propose here a different scenario with Cd=0 where Cd is the dynamical condensate of a heavy quark.

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