Effective dark matter model: Relic density, CDMS II, Fermi LAT and LHC

Hao Zhang, Qing Hong Cao, Chuan Ren Chen, Chong Sheng Li

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

The Cryogenic Dark Matter Search recently announced the observation of two signal events with a 77% confidence level. Although statistically inconclusive, it is nevertheless suggestive. In this work we present a model-independent analysis on the implication of direct and indirect searches for the dark matter using effective operator approach. Assuming that the interactions between (scalar, fermion or vector) dark matter and the standard model are mediated by unknown new physics at the scale Λ, we examine various dimension-6 tree-level induced operators and constrain them using the current experimental data, including the WMAP data of the relic abundance, CDMS II direct detection of the spin-independent scattering, and indirect detection data (Fermi LAT cosmic gamma-ray). Finally, the LHC search is also explored.

Original languageEnglish
Article number18
JournalJournal of High Energy Physics
Volume2011
Issue number8
DOIs
Publication statusPublished - 2011 Jan 1

Keywords

  • Beyond Standard Model
  • Cosmology of Theories beyond the SM

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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