Abstract
Particles that are heavy compared to the electroweak scale (M≫m W), and that are charged under electroweak SU(2) gauge interactions display universal properties such as a characteristic fine structure in the mass spectrum induced by electroweak symmetry breaking, and an approximately universal cross section for scattering on nuclear targets. The heavy particle effective theory framework is developed to compute these properties. As illustration, the spin independent cross section for low-velocity scattering on a nucleon is evaluated in the limit M≫m W, including complete leading-order matching onto quark and gluon operators, renormalization analysis, and systematic treatment of perturbative and hadronic-input uncertainties.
Original language | English |
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Pages (from-to) | 539-545 |
Number of pages | 7 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 707 |
Issue number | 5 |
DOIs | |
State | Published - Feb 7 2012 |
Bibliographical note
Funding Information:We acknowledge discussions with Y. Bai, G. Paz and J. Zupan. Work supported by NSF Grant 0855039 .
Keywords
- Dark matter
- Effective field theory
- Renormalization
ASJC Scopus subject areas
- Nuclear and High Energy Physics