Stony Brook, New York, 1979, edited by P. Van Nieuwenhuizen and D. Z. Freedman (North- Holland, Amsterdam, 1979), p 315; R. N. Mohapatra and G. Senjanovic, Phys. Rev. Lett. 44 , 912 (1980). [2] R. N. Mohapatra and R. E. Marshak, Phys. Rev. Lett. 44 , 1316 (1980) [Erratum-ibid. 44 , 1643 (1980)]; R. E. Marshak and R. N. Mohapatra, Phys. Lett. B 91 , 222 (1980). [3] S. Khalil, J. Phys. G 35 , 055001 (2008). [4] S. Iso, N. Okada and Y. Orikasa, Phys. Lett. B 676 , 81 (2009); Phys. Rev. D 80 , 115007 (2009). [5] W. Emam and S. Khalil, Eur. Phys. J. C 522 , 625 (2007). [6] K. Huitu, S. Khalil, H. Okada and S. K. Rai, Phys. Rev. Lett. 101 , 181802 (2008). [7] L. Basso, A. Belyaev, S. Moretti and C. H. Shepherd-Themistocleous, Phys. Rev. D 80 , 055030 (2009). [8] P. F. Perez, T. Han and T. Li, Phys. Rev. D 80 , 073015 (2009). [9] S. Khalil and O. Seto, JCAP 0810 , 024 (2008). [10] M. S. Carena, A. Daleo, B. A. Dobrescu and T. M. P. Tait, Phys. Rev. D 70 , 093009 (2004). [11] G. Cacciapaglia, C. Csaki, G. Marandella and A. Strumia, Phys. Rev. D 74 , 033011 (2006). [12] S. Dawson and W. Yan, Phys. Rev. D 79 , 095002 (2009). [13] L. Basso, A. Belyaev, S. Moretti and G. M. Pruna, arXiv:1002.1939 [hep-ph]. [14] E. W. Kolb and M. S. Turner, The Early Universe , Addison-Wesley (1990). [15] D. N. Spergel et al. [WMAP Collaboration], Astrophys. J. Suppl. 170 , 377 (2007). [16] J. McDonald, Phys. Rev. D 50 , 3637 (1994). [17] C. P. Burgess, M. Pospelov and T. ter Veldhuis, Nucl. Phys. B 619 , 709 (2001). [18] H. Davoudiasl, R. Kitano, T. Li and H. Murayama, Phys. Lett. B 609 , 117 (2005). [19] T. Kikuchi and N. Okada, Phys. Lett. B 665 , 186 (2008). [20] C. E. Yaguna, JCAP 0903 , 003 (2009). [21] L. M. Krauss, S. Nasri and M. Trodden, Phys. Rev. D 67 , 085002 (2003). [22] E. A. Baltz and L. Bergstrom, Phys. Rev. D 67 , 043516 (2003). [23] K. Cheung and O. Seto, Phys. Rev. D 69 , 113009 (2004). [24] J. Angle et al. [XENON Collaboration], Phys. Rev. Lett. 100 021303 (2008). [25] Z. Ahmed et al. [The CDMS-II Collaboration], arXiv:0912.3592 [astro-ph.CO]. [26] http://xenon.astro.columbia.edu/. 13