Isotriplet Dark Matter on the Lattice

Ari Hietanen, Claudio Pica, Francesco Sannino, Ulrik Ishøj Søndergaard

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Abstrakt

We present preliminary results for simulations of SO(4)-gauge theory with two Dirac Wilson fermions transforming according to the vector representation. We map out the phase diagram including the strong coupling bulk phase transition line as well as the zero PCAC-mass line. In addition, we measure the pseudo scalar and vector meson masses, and investigate whether the theory features chiral symmetry breaking. If the theory is used for breaking the electroweak symmetry dynamically it is the orthogonal group equivalent of the Minimal Walking Technicolor model but with the following distinctive features: a] It provides a natural complex weak isotriplet of Goldstone bosons of which the neutral component can be identified with a light composite dark matter state; b] It is expected to break the global symmetry spontaneously; c] It is free from fermionic composite states made by a techniglue and a technifermion.
OriginalsprogEngelsk
Publikationsdato1. nov. 2012
StatusUdgivet - 1. nov. 2012
Begivenhed30th International Symposium on Lattice Field Theory (Lattice 2012) : Cairns, Australia, June 24-29, 2012 - Cairns, Australien
Varighed: 24. jun. 201229. jun. 2012

Konference

Konference30th International Symposium on Lattice Field Theory (Lattice 2012) : Cairns, Australia, June 24-29, 2012
LandAustralien
ByCairns
Periode24/06/201229/06/2012

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  • Citationsformater

    Hietanen, A., Pica, C., Sannino, F., & Ishøj Søndergaard, U. (2012). Isotriplet Dark Matter on the Lattice. Abstract fra 30th International Symposium on Lattice Field Theory (Lattice 2012) : Cairns, Australia, June 24-29, 2012, Cairns, Australien. https://findresearcher.sdu.dk:8443/admin/files/temp/perm-temp-9f4ab216-0b3a-41aa-b971-7c6886f480ba/pdf?mimetype=application/pdf