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Physical Review D
Volumn 52, Issue 11, 1995, Pages 6607-6611
Reconciling present neutrino puzzles: Sterile neutrinos as mirror neutrinos
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Indexed keywords

EID: 0000676687     PISSN: 05562821     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevD.52.6607     Document Type: Article
Times cited : (363)
References (26)
  • 6
    • 84927857703 scopus 로고    scopus 로고
    • and references therein.
  • 19
    • 84927857702 scopus 로고    scopus 로고
    • and references therein.
  • 20
    • 84927857701 scopus 로고    scopus 로고
    • These estimates depend on the abundance of ν′ relative to γ′ at t sim 1 s. The neutrino decoupling temperature in the mirror bath is related to one of the ordinary neutrinos TD=3 5 MeV as TD′ sim ζ4/3 TD. E.g., for ζ sim 10, ν ' decouples from γ ' after the QCD' phase transition (due to P invariance, the ``mirror'' confinement scale cannot be substantially larger than that of the visible world: ΛQCD′<1 GeV). Then for their effective temperatures at t sim 1 s we obtain Tν′ / Tγ′ = (4/11)1/3. On the contrary, for ζ sim 100 the decoupling temperature TD′ sim 2 GeV and thus the contribution of light mirror quarks u′ , d′ has also to be taken into account, which implies Tν′ / Tγ′ = (4/53)1/3.
  • 21
    • 84927857700 scopus 로고    scopus 로고
    • This seems natural if Λ gg < η >. Indeed, in order to induce sim eV entries in the mass matrix hatmν (1), Λ should be about 1013 GeV.
  • 24
    • 84927857699 scopus 로고    scopus 로고
    • Notice, however, that not all terms allowed by the symmetry are introduced. Their absence can be ensured by imposing additional symmetries.
  • 25
    • 84927857698 scopus 로고    scopus 로고
    • Once the individual global lepton numbers Le,μ,τ are broken spontaneously, there should exist multiflavor analogues of the singlet majoron. The Planck scale effects applied to these majorons induce their masses sim (V/M)1/2 V, which, however, do not lead to any cosmological problems;

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.