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We examine the stau-neutralino co-annihilation mechanism of the early universe. We use the minimal supergravity (mSUGRA) model and show that from measurements at the LHC one can predict the dark matter relic density with an uncertainty of 6% with 30 fb of data, which is comparable to the direct measurement by WMAP. This is possible by introducing… (More)

- Richard Arnowitt, Bhaskar Dutta, Alfredo Gurrola, Teruki Kamon, Abram Krislock, David Toback
- Physical review letters
- 2008

We examine the stau-neutralino coannihilation (CA) mechanism of the early Universe. We use the minimal supergravity (mSUGRA) model and show that from measurements at the CERN Large Hadron Collider one can predict the dark matter relic density with an uncertainty of 6% with 30 fb(-1) of data, which is comparable to the direct measurement by the Wilkinson… (More)

We investigate the minimal supergravity (mSUGRA) signals at the LHC in the context of supercritical string cosmology (SSC). In this theory, the presence of a time dependent dilaton provides us with a smoothly evolving dark energy and modifies the dark matter allowed region of the mSUGRA model with standard cosmology. Such a dilaton dilutes the… (More)

We examine the stau-neutralino co-annihilation (CA) mechanism of the early universe. We use the minimal supergravity (mSUGRA) model and show that from measurements at the LHC one can predict the dark matter relic density with an uncertainty of 6% with 30 fb of data, which is comparable to the direct measurement by WMAP. This is done by measuring four mSUGRA… (More)

We investigate the minimal supergravity (mSUGRA) signals at the LHC in the context of supercritical string cosmology (SSC). In this theory, the presence of a time dependent dilaton provides us with a smoothly evolving dark energy and modifies the dark matter allowed region of the mSUGRA model with standard cosmology. Such a dilaton dilutes the… (More)

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