Split symmetries
| Autor: | Fabian Ruehle, Markus Dierigl, Wilfried Buchmuller, Julian Schweizer |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
High Energy Physics - Theory
Nuclear and High Energy Physics Particle physics SO(10) compactification High Energy Physics::Lattice FOS: Physical sciences split [supersymmetry] Higgs particle symmetry breaking gaugino mass [lepton] Higgs sector quark High Energy Physics::Theory High Energy Physics - Phenomenology (hep-ph) Gauge group ddc:530 structure Orbifold Physics Gauge boson gauge boson flavor Split supersymmetry Supergravity High Energy Physics::Phenomenology slepton orbifold [fixed point] lcsh:QC1-999 boundary condition squark High Energy Physics - Phenomenology Standard Model (mathematical formulation) High Energy Physics - Theory (hep-th) multiplet magnetic [flux] Higgs boson supergravity High Energy Physics::Experiment lcsh:Physics zero mode |
| Zdroj: | Physics letters / B 750, 615-619 (2015). doi:10.1016/j.physletb.2015.09.069 Physics Letters B, Vol 750, Iss C, Pp 615-619 (2015) Physics Letters B |
| ISSN: | 0370-2693 |
| DOI: | 10.1016/j.physletb.2015.09.069 |
| Popis: | We consider six-dimensional supergravity with gauge group $SO(10)\times U(1)_A$, compactified on the orbifold $T^2 / \mathbb{Z}_2$. Three quark-lepton generations arise as zero modes of a bulk $\bf16$-plet due to magnetic flux of the anomalous $U(1)_A$. Boundary conditions at the four fixed points break $SO(10)$ to subgroups whose intersection is the Standard Model gauge group. The gauge and Higgs sector consist of "split" $SO(10)$ multiplets. As consequence of the $U(1)_A$ flux, squarks and sleptons are much heavier than gauge bosons, Higgs bosons, gauginos and higgsinos. We thus obtain a picture similar to "split supersymmetry." The flavor structure of the quark and lepton mass matrices is determined by the symmetry breaking at the orbifold fixed points. Comment: 14 pages, 1 figure, clarifying paragraph added, to appear in PLB |
| Databáze: | OpenAIRE |
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