Astrophysics and Space Science

, Volume 137, Issue 1, pp 17–21 | Cite as

A lower limit to the mass of neutral leptons as constituents of the dark halo around galaxies

  • W. Y. Chau
  • J. Stone
Article
Received:

Abstract

We have found that the structural equations governing the hydrostatic equilibrium of a thermally relaxed, spherically-symmetric neutral lepton system with a density profile that can account for the dark matter distribution around spiral galaxies donot admit any physically reasonable solutions (namely the temperature should be positive definite and monotonically decreasing with distance) if the lepton mass is ≲17 eV.

Keywords

Lower Limit Dark Matter Structural Equation Density Profile Spiral Galaxy 
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References

  1. Bahcall, J. M., Schmidt, M., and Soneira, R. M.: 1982,Astrophys. J. 258, L23.Google Scholar
  2. Chau, W. Y. and Lake, K.: 1984,Phys. Letters 134B 409.Google Scholar
  3. Chau, W. Y. and Stone, J.: 1985,Astrophys. J. 297, 76.Google Scholar
  4. Ching, C. R. and Ho, T. H.: 1984,Phys. Reports 112, 1.Google Scholar
  5. Freeman, K. C.: 1970,Astrophys. J.,160, 811.Google Scholar
  6. Madsen, J. and Epstein, R. J.: 1984,Astrophys J. 282, 11.Google Scholar
  7. Paczynski B.: 1983,Astrophys. J. 267, 317.Google Scholar
  8. Rubin, V. c.: 1983,Science 220, 1339.Google Scholar

Copyright information

© D. Reidel Publishing Company 1987

Authors and Affiliations

  • W. Y. Chau
    • 1
  • J. Stone
    • 1
  1. 1.Department of PhysicsQueen's University at KingstonCanada

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