Weakly Interacting Stable Pions

Details Weakly Interacting Stable Pions Weakly Interacting Stable Pions

2010-04-30

arxiv.org/abs/1005.0008v2

Phys.Rev.D82:111701,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages; final version in PRD

Scientific paper

10.1103/PhysRevD.82.111701

An unbroken discrete symmetry, analogous to G-parity in QCD, exists in standard model extensions with vector-like coupling of electroweak SU(2) to "hidden sector" fermions that are confined by a strong gauge force. For an irreducible SU(2) representation of the hidden sector fermions, the lightest hidden sector states form an isotriplet of "pions" with calculable mass splittings and couplings to standard model fields. The parity can be extended to fermions in real representations of color SU(3), and can provide dark matter candidates with distinct collider signatures.

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