Implications of SU(2)_L x U(1) Symmetry for SIM(2) Invariant Neutrino Masses
| dc.creator | Dunn, Alan | |
| dc.creator | Mehen, Thomas | |
| dc.date | 2006-10-16 | |
| dc.date.accessioned | 2026-07-07T07:28:15Z | |
| dc.date.available | 2026-07-07T07:28:15Z | |
| dc.description | We consider SU(2)_L x U(1) gauge invariant generalizations of a nonlocal, Lorentz violating mass term for neutrinos that preserves a SIM(2) subgroup. This induces Lorentz violating effects in QED as well as tree-level lepton family number violating interactions. Measurements of g_e - 2 with trapped electrons severely constrain possible SIM(2) mass terms for electrons which violate C invariance. We study Lorentz violating effects in a C invariant and SIM(2) invariant extension of QED. We examine the Lorentz violating interactions of nonrelativistic electrons with electromagnetic fields to determine their impact on the spectroscopy of hydrogen-like atoms and g_e - 2 measurements with trapped electrons. Generically, Lorentz violating corrections are suppressed by m_ν^2/m_e^2 and are within experimental limits. We study one-loop corrections to electron and photon self-energies and point out the need for a prescription to handle IR divergences induced by the nonlocality of the theory. We also calculate the tree level contribution to μto e + γfrom SIM(2) invariant mass terms. | |
| dc.description | 27 pages, 5 figures | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0610202 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0610202 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/117665 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Implications of SU(2)_L x U(1) Symmetry for SIM(2) Invariant Neutrino Masses | |
| dc.type | text |