The Stueckelberg Extension and Milli Weak and Milli Charged Dark Matter

Journal Article · Wed Oct 03 04:00:00 EDT 2007 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2803786· OSTI ID:21035983

Feldman, Daniel; Zuowei, Liu; Nath, Pran ^[1]

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1. Department of Physics, Northeastern University, Boston, MA 02115 (United States)

A overview is given of the recent developments in the U(1){sub X} Stueckelberg extensions of the Standard Model and of MSSM where all the Standard Model particles are neutral under the U(1){sub X}, but an axion which is absorbed is charged under both U(1){sub X} and U(1){sub Y} and acts as the connector field coupling the Standard Model sector with the Stueckelberg sector. Coupled with the usual Higgs mechanism that breaks the SU(2){sub L}xU(1){sub Y} gauge symmetry, this scenario produces mixings in the neutral gauge boson sector generating an extra Z{sup '} boson. The couplings of the extra Z{sup '} to the Standard Model particles are milli weak but its couplings to the hidden sector matter, defined as matter that couples only to the gauge field of U(1){sub X}, can be of normal electro-weak strength. It is shown that such extensions, aside from the possibility of leading to a sharp Z{sup '} resonance, lead to two new types of dark matter: milli weak (or extra weak) and milli charged. An analysis of the relic density shows that the WMAP-3 constraints can be satisfied for either of these scenarios. The types of models discussed could arise as possible field point limit of certain Type IIB orientifold string models.

• OSTI ID: 21035983
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 939; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AXIONS
COUPLING
GAUGE INVARIANCE
HIGGS BOSONS
HIGGS MODEL
NONLUMINOUS MATTER
STANDARD MODEL
STRING MODELS
SU-2 GROUPS
SUPERSYMMETRY
U-1 GROUPS
UNIFIED-FIELD THEORIES