On Gaugino Dominated Dark Matter
ABSTRACT
Using the neutral gauginos of and hybridization ideas below the GUT scale, we approach the Dark Matter particle within the Minimal Supersymmetric Standard Model. In the energy range where supergravity effects can be ignored, it is proposed that such DM particle could be inter- preted in terms of a mixture of Bino and Wino states with a lower bound mass not far above the electroweak scale to account for the observed Dark Matter density. We establish the theoretical origin of this particle and study as well its compositeness and its mass bound.
Using the neutral gauginos of and hybridization ideas below the GUT scale, we approach the Dark Matter particle within the Minimal Supersymmetric Standard Model. In the energy range where supergravity effects can be ignored, it is proposed that such DM particle could be inter- preted in terms of a mixture of Bino and Wino states with a lower bound mass not far above the electroweak scale to account for the observed Dark Matter density. We establish the theoretical origin of this particle and study as well its compositeness and its mass bound.
Cite this paper
nullS. Ennadifi and E. Saidi, "On Gaugino Dominated Dark Matter," Journal of Modern Physics, Vol. 1 No. 6, 2010, pp. 393-398. doi: 10.4236/jmp.2010.16056.
nullS. Ennadifi and E. Saidi, "On Gaugino Dominated Dark Matter," Journal of Modern Physics, Vol. 1 No. 6, 2010, pp. 393-398. doi: 10.4236/jmp.2010.16056.
References
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[1] G. Bertone, D. Hooper and J. Silk, “Particle Dark Matter: Evidence, Candidates and Constraintes,” Physics Reports, Vol. 405, No. 5-6, 2005, pp. 279-390. [2] D. N. Spergel et al., “First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters,” The Astrophysical Journal Supplement Series, Vol. 148, No. 1, 2003, pp. 175-194. [3] M. Tegmark et al., “Cosmological Parameters from SDSS and WMAP,” Physical Review D, Vol. 69, No. 10, 2004. [4] G. F. Lewis, R. A. Ibata and J. S. B. Wyithe, “Searching for MACHOs in Galaxy Clusters,” The Astrophysical Journal, Vol. 542, No. 1, 2000, pp. L9-L12. [5] J. E. Kim, “Light Pseudoscalars, Particle Physics and Cosmology,” Physics Reports, Vol. 150, No. 1-2, 1987, pp. 1-177. [6] S. Raby, “Gauge-mediated SUSY Breaking with a Gluino LSP,” Physics Letters B, Vol. 422, No. 1-4, 1998, pp. 158-162. [7] H. Baer, K. Cheung and J. F Gunion, “A Heavy Gluino as the Lightest Supersymmetric Particle,” Physical Review D, Vol. 59, No. 7, 1999. [8] C. L. Chou, H. L. Lai and C. P. Yuan, “New Production Mechanism of Neutral Higgs Bosons with Right Scalar Tau Neutrino as the LSP,” Physics Letters B, Vol. 489, No. 1-2, 2000, pp. 163-170. [9] A. D. Gouvea, S. Gopalakrishna and W. Porod, “Stop Decay into Right-handed Sneutrino LSP at Hadron Colliders,” JHEP0611: 050, 2006. [10] P. Janot, “The Light Gluino Mass Window Revisited,” Physics Letters B, Vol. 564, No. 3-4, 2003, pp. 183-189. [11] T. Hebbeker, “Can the Sneutrino be the Lightest Supersymmetric Particle,” Physics Letters B, Vol. 470, No. 1-4, 1999, pp. 259-262. [12] G. Steigman and M. S. Turner, “Cosmological Constraints on the Properties of Weakly Interacting Massive Particles,” Nuclear Physics B, Vol. 253, No. 2, 1985, pp. 375-386. [13] L. Iorio. “Observational Constraints on the Modified Gravity Model (MOG) Proposed by Moffat: Using the Magellanic System,” Astronomische Nachrichten, Vol. 330, No. 8, 2009, pp. 857-862. [14] X. Hernandez, S. Mendoza, T. Suarez and T. Bernal, “Understanding Local Dwarf Spheroidals and Their Scaling Relations under MOND,” arXiv: 0904.1434. [15] L. Bergstrom, “Non-Baryonic Dark Matter : Observa- tional Evidence and Detection Methods,” Reports on Progress in Physics, Vol. 63, No. 5, 2000, pp. 793-841. [16] C. Munoz, “Dark Matter Detection in the Light of Recent Experimental Results,” International Journal of Modern Physics A, Vol. 19, No. 19, 2004, 3093-3169. [17] D. Clowe, M. Bradac, A. H. Gonzalez, M. Markevitch, S. W. Randall, C. Jones and D. Zaritsky, “A Direct Empirical Proof of the Existence of Dark Matter,” Astrophysical Journal Letters, Vol. 648, 2006, pp. 109-113. [18] Haber and G.L. Kane, “The Search for Supersymmetry: Probing Physics Beyond the Standard Model,” Physics Reports, Vol. 117, No. 2-4, 1985, pp. 75-263. [19] R. W. Schnee, “Status of Direct Searches for WIMP Dark Matter,” AIP Conference Proceedings, Vol. 903, 2007, pp: 8-15. [20] S. P. Martin, “Implications of Supersymmetric Models with Natural R-parity Conservation,” Physical Review D, Vol. 54, 1996, pp: 2340-2348. [21] S. Perlmutter et al., “Measurements of Omega and Lambda from 42 High-Redshift Supernovae,” The Astrophysical Journal, Vol. 517, No. 2, 1999, pp: 565-586. [22] H. Goldberg, “Constraint on the Photino Mass from Cosmology,” Physical Review Letters, Vol. 50, 1983, pp: 1419-1422. [23] G.R. Farrar and P. Fayet, “Phenomenology of the Production, Decay and Detection of New Hadronic States Associated with Supersymmetry,” Physics Letters B, Vol. 76, No. 5, 1978, pp. 575-579. [24] D. Méra, G. Chabrier and R. Schaeffer, “Towards a Consistent Model of the Galaxy: II. Derivation of the Model,” astro-ph/9801050, 1998. [25] R. J. Gaitskell, “Direct detection of Dark Matter,” Annual Review of Nuclear and Particle Science, Vol. 54, 2004, pp: 315-359. [26] Z. Ahmed, et al., “Results from the Final Exposure of the CDMS II Experiment,” The CDMS Collaboration, 2009. [27] Z. Ahmed, et al., “Search for Weakly Interacting Massive Particles with the First Five-Tower Data from the Cryogenic Dark Matter Search at the Soudan Underground Laboratory,” Physical Review Letters, Vol. 102, No. 1, 2009. [28] E. Armengaud et al., “First Results of the EDELWEISS-II WIMP Search Using Ge Cryogenic Detectors with Interleaved Electrodes,” Physics Letters B, Vol. 687, No. 4-5, 2010, pp: 294-298. [29] E. Aprile et al., “New Measurment of the Relative Scintillation Efficiency of Xenon Nuclear Recoils Below 10 keV,” Physical Review C, Vol. 79, No. 4, 2009. [30] V. N. Lebedenko et al., “Results from the First Science Run of the Zeplin-III Dark Matter Search Experiment,” Physical Review D, Vol. 80, No. 5, 2009. [31] J. L. Feng, A. Rajaraman and F. Takayama, “Superweakly Interacting Massive Particles,” Physical Review Letters, Vol. 68, No. 6, 2003. [32] J. R. Ellis, K. A. Olive, Y. Santoso and V. C. Spanos, “Gravitino Dark Matter in the CMSSM,” Physics Letters B, Vol. 588, 2004, pp: 7-16. [33] J. L. Feng, S. F. Su and F. Takayama, “SuperWIMP Gravitino Dark Matter from Slepton and Sneutrino Decays,” Physical Review D, Vol. 70, No. 6, 2004.