We study an extension of the minimal supersymmetric standard model by an anomalous Abelian vector multiplet and a Stückelberg multiplet. The anomalies are cancelled by the Green-Schwarz mechanism and the addition of Chern-Simons terms. The advantage of this choice over the standard one is that it allows for arbitrary values of the quantum numbers of the extra U(1). As a first step toward the study of hadron annihilations producing four leptons in the final state (a clean signal which might be studied at LHC), we then compute the decays Z′→Z0γ and Z′→Z0Z0. We find that the largest values of the decay rate are ∼10-4 GeV, while the expected number of events per year at LHC is at most of the order of 10.
Anastasopoulos, P., Fucito, F., Lionetto, A., Pradisi, G., Racioppi, A., & Stanev, Y.S. (2008). Minimal anomalous U(1)-prime extension of the MSSM. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 78(8).
Tipologia: | Articolo su rivista |
Citazione: | Anastasopoulos, P., Fucito, F., Lionetto, A., Pradisi, G., Racioppi, A., & Stanev, Y.S. (2008). Minimal anomalous U(1)-prime extension of the MSSM. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 78(8). |
URL: | http://link.aps.org/doi/10.1103/PhysRevD.78.085014 |
Lingua: | English |
Settore Scientifico Disciplinare: | Settore FIS/02 - Fisica Teorica, Modelli e Metodi Matematici |
Revisione (peer review): | Sì, ma tipo non specificato |
Tipo: | Articolo |
Rilevanza: | Rilevanza internazionale |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevD.78.085014 |
Stato di pubblicazione: | Pubblicato |
Data di pubblicazione: | 2008 |
Titolo: | Minimal anomalous U(1)-prime extension of the MSSM |
Autori: | |
Autori: | Anastasopoulos, P; Fucito, F; Lionetto, A; Pradisi, G; Racioppi, A; Stanev, Y S |
Appare nelle tipologie: | 01 - Articolo su rivista |