Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9861652 | Physics Letters B | 2005 | 7 Pages |
Abstract
In the recently proposed 'split supersymmetry' scenario, the squark and slepton masses are allowed to be at a high scale while the gauginos and higgsinos are within a TeV. We show that in a theory with broken R-parity, the parameter space of such a scenario allows a situation where the lightest neutralino is still stable on the cosmological scale and can be a dark matter candidate. We also separate the cases where (a) it may be invisible but not a dark matter candidate, or (b) it may decay showing a displaced vertex. It is also emphasized how the constraint on the simultaneous violation of baryon and lepton numbers gets relaxed in this scenario.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Sudhir Kumar Gupta, Partha Konar, Biswarup Mukhopadhyaya,