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Phys. Rev. Lett. 100, 252001 (2008) [4 pages]

Accurate Mass Determinations in Decay Chains with Missing Energy

Hsin-Chia Cheng,1 Dalit Engelhardt,2 John F. Gunion,1 Zhenyu Han,1 and Bob McElrath3
1Department of Physics, University of California, Davis, California 95616, USA
2Department of Physics, Boston University, Boston, Massachusetts 02215, USA
3CERN, Geneva 23, Switzerland
Received 12 March 2008; published 26 June 2008

Many beyond the standard model theories include a stable dark matter candidate that yields missing or invisible energy in collider detectors. If observed at the CERN Large Hadron Collider, we must determine if its mass and other properties (and those of its partners) predict the correct dark matter relic density. We give a new procedure for determining its mass with small error.

©2008 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.100.252001
DOI: 10.1103/PhysRevLett.100.252001
PACS: 13.85.Qk; 14.80.Ly
  • 13.85.Qk
    Hadron-induced inclusive production with identified leptons, photons, or other nonhadronic particles (energy>10 GeV)
  • 14.80.Ly
    Supersymmetric partners of known particles
  • YEAR: 2008

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