Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-09-18
JHEP 0912:055,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
3 figures, 12 pages; An error in the antiproton limit corrected; the lower bound on the dark matter mass strengthened; referen
Scientific paper
10.1088/1126-6708/2009/12/055
We explore the possibility of a new dark matter candidate in the supersymmetric type III seesaw mechanism where a neutral scalar component of the Y=0 triplet can be the lightest supersymmetric particle. Its thermal abundance can be in the right range if non-standard cosmology such as kination domination is assumed. The enhanced cross-section of the dark matter annihilation to W+W- can leave detectable astrophysical and cosmological signals whose current observational data puts a lower bound on the dark matter mass. The model predicts the existence of a charged scalar almost degenerate with the dark matter scalar and its lifetime lies between 5.5 cm and 6.3 m. It provides a novel opportunity of the dark mater mass measurement by identifying slowly-moving and highly-ionizing tracks in the LHC experiments. If the ordinary lightest supersymmetric particle is the usual Bino, its decay leads to clean signatures of same-sign di-lepton and di-charged-scalar associated with observable displaced vertices which are essentially background-free and can be fully reconstructed.
No associations
LandOfFree
Minimal dark matter in type III seesaw does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Minimal dark matter in type III seesaw, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Minimal dark matter in type III seesaw will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-276523