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Chinese Physics C> 1986, Vol. 10> Issue(3) : 308-315 

THE RIGHT-HANDED CURRENTS OF NEUTRINOLESS DOUBLE β DECAY IN 48Ca

  • Right-handed Currents in 0νββ decay with lepton-number nonconservation is discussed by using two nucleons mechanism and the effective operator approach of nuclear matrix elements in this paper. The relation between the mixing parameter η of right-handed currents and the Majorana neutrino mass mν is calculated from the experimental decay lifetime of 0νββ decay in 40Ca. Our results show that i) mν≤(18~23)eV, if |η|=0;ii) |η|≤(1.6~2)×10－5, if mν=0
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    [1] H.W.Primakoff et al, Phys. Rev., 25(1969), 1925, J. D. Vergados, Nucl. Phys., B218 (1983), 109 W C. Hagton et al, progress in Particle and Nuclear Physics, 1984.[2] H. F. Wu et al, Phys. Lett., B162(1985), 227.[3] E. Majorana, Nuovo Cimento,14(1937), 171.[4] A. Halprin et al, Phys. Rev.,D13(1976),2567, S. P.Rosen, "Neutrino 81”Proceeding of the 1981 IntenationaI Conference on Neutrino Physics and Astrophysics, Maui,Hawaii, July 1-8 1981, 76.[5] W. C. Haxton et al, Phys. Rev., D25(1982), 2360.[6] Wu Hui-fang, Chinese Phys. Lett., 2(1985), 505.[7] E. M. KtencigIowa et al, Nucl. Phys., A240(1975), 195.[8] M. Lacombe et aL, Phys. Rev., C21(1980), 861.[9] R. V. Reid,.Ann Phys. (N. Y.), 50(1968), 411.[10] V. A.Lubimov, Report to Europen Physical Society Conf. Brighton, England, July 1983, V. A. Lubimov et al., Phys. Lett., 94B (1980), 266.

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WU Hui-Fang and THE RIGHT-HANDED CURRENTS OF NEUTRINOLESS DOUBLE β DECAY IN 48Ca[J]. Chinese Physics C, 1986, 10(3): 308-315.
WU Hui-Fang and THE RIGHT-HANDED CURRENTS OF NEUTRINOLESS DOUBLE β DECAY IN 48Ca[J]. Chinese Physics C, 1986, 10(3): 308-315. shu
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Received: 1900-01-01
Revised: 1900-01-01
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THE RIGHT-HANDED CURRENTS OF NEUTRINOLESS DOUBLE β DECAY IN 48Ca

    Corresponding author: WU Hui-Fang,
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1986-06-05

Abstract: Right-handed Currents in 0νββ decay with lepton-number nonconservation is discussed by using two nucleons mechanism and the effective operator approach of nuclear matrix elements in this paper. The relation between the mixing parameter η of right-handed currents and the Majorana neutrino mass mν is calculated from the experimental decay lifetime of 0νββ decay in 40Ca. Our results show that i) mν≤(18~23)eV, if |η|=0;ii) |η|≤(1.6~2)×10－5, if mν=0

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