Observing a light dark matter beam with neutrino experiments

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dc.contributor.author DeNiverville, Patrick
dc.date.accessioned 2011-08-18T17:45:45Z
dc.date.available 2011-08-18T17:45:45Z
dc.date.copyright 2011 en_US
dc.date.issued 2011-08-18
dc.identifier.uri http://hdl.handle.net/1828/3472
dc.description.abstract We consider the sensitivity of high luminosity neutrino experiments to light stable states, as arise in scenarios of MeV-scale dark matter. To ensure the correct thermal relic abundance, such states must annihilate to the Standard model via light mediators, providing a portal for access to the dark matter state in colliders or fixed targets. This framework implies that neutrino beams produced at a fixed target will also carry an additional “dark matter beam”, which can mimic neutrino scattering off electrons or nuclei in the detector. We therefore develop a Monte Carlo code to simulate the production of a dark matter beam at two proton fixed-target facilities with high luminosity, LSND and MiniBooNE, and with this simulation determine the existing limits on light dark matter. We find in particular that MeV-scale dark matter scenarios motivated by an explanation of the galactic 511 keV line are strongly constrained. en_US
dc.language English eng
dc.language.iso en en_US
dc.subject Dark Matter en_US
dc.subject Particle Physics en_US
dc.subject Fixed Target en_US
dc.subject LSND en_US
dc.subject MiniBooNE en_US
dc.subject High Luminosity en_US
dc.subject Dark Matter Beam en_US
dc.title Observing a light dark matter beam with neutrino experiments en_US
dc.type Thesis en_US
dc.contributor.supervisor Ritz, Adam
dc.degree.department Dept. of Physics and Astronomy en_US
dc.degree.level Master of Science M.Sc. en_US
dc.rights.temp Available to the World Wide Web en_US
dc.description.scholarlevel Graduate en_US

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