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Muon g-2 Anomaly and Dark Leptonic Gauge Boson
One of the major motivations to search for a dark gauge boson of MeV-GeV scale is the long-standing muon g-2 anomaly. Because of active searches such as fixed target experiments and rare meson decays, the muon g-2 favored parameter region has been rapidly reduced. With the most recent data, it is pr...
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Lenguaje: | eng |
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2014
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Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.90.091702 http://cds.cern.ch/record/1750835 |
_version_ | 1780943119701770240 |
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author | Lee, Hye-Sung |
author_facet | Lee, Hye-Sung |
author_sort | Lee, Hye-Sung |
collection | CERN |
description | One of the major motivations to search for a dark gauge boson of MeV-GeV scale is the long-standing muon g-2 anomaly. Because of active searches such as fixed target experiments and rare meson decays, the muon g-2 favored parameter region has been rapidly reduced. With the most recent data, it is practically excluded now in the popular dark photon model. We overview the issue and investigate a potentially alternative model based on the gauged lepton number or U(1)_L. The muon g-2 favored parameter region of the U(1)_L survives all the constraints that were critical in the dark photon case, yet it is disfavored by the new constraints from the large flux neutrino experiments. |
id | cern-1750835 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2014 |
record_format | invenio |
spelling | cern-17508352019-09-30T06:29:59Zdoi:10.1103/PhysRevD.90.091702http://cds.cern.ch/record/1750835engLee, Hye-SungMuon g-2 Anomaly and Dark Leptonic Gauge BosonParticle Physics - PhenomenologyOne of the major motivations to search for a dark gauge boson of MeV-GeV scale is the long-standing muon g-2 anomaly. Because of active searches such as fixed target experiments and rare meson decays, the muon g-2 favored parameter region has been rapidly reduced. With the most recent data, it is practically excluded now in the popular dark photon model. We overview the issue and investigate a potentially alternative model based on the gauged lepton number or U(1)_L. The muon g-2 favored parameter region of the U(1)_L survives all the constraints that were critical in the dark photon case, yet it is disfavored by the new constraints from the large flux neutrino experiments.arXiv:1408.4256CERN-PH-TH-2014-157oai:cds.cern.ch:17508352014-08-19 |
spellingShingle | Particle Physics - Phenomenology Lee, Hye-Sung Muon g-2 Anomaly and Dark Leptonic Gauge Boson |
title | Muon g-2 Anomaly and Dark Leptonic Gauge Boson |
title_full | Muon g-2 Anomaly and Dark Leptonic Gauge Boson |
title_fullStr | Muon g-2 Anomaly and Dark Leptonic Gauge Boson |
title_full_unstemmed | Muon g-2 Anomaly and Dark Leptonic Gauge Boson |
title_short | Muon g-2 Anomaly and Dark Leptonic Gauge Boson |
title_sort | muon g-2 anomaly and dark leptonic gauge boson |
topic | Particle Physics - Phenomenology |
url | https://dx.doi.org/10.1103/PhysRevD.90.091702 http://cds.cern.ch/record/1750835 |
work_keys_str_mv | AT leehyesung muong2anomalyanddarkleptonicgaugeboson |