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Search for Dark Photons from Supersymmetric Hidden Valleys
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 103, no 8, 081802- p.Article in journal (Refereed) Published
Abstract [en]

We search for a new light gauge boson, a dark photon, with the D0 experiment. In the model we consider, supersymmetric partners are pair produced and cascade to the lightest neutralinos that can decay into the hidden sector state plus either a photon or a dark photon. The dark photon decays through its mixing with a photon into fermion pairs. We therefore investigate a previously unexplored final state that contains a photon, two spatially close leptons, and large missing transverse energy. We do not observe any evidence for dark photons and set a limit on their production.

Place, publisher, year, edition, pages
2009. Vol. 103, no 8, 081802- p.
National Category
Physical Sciences
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URN: urn:nbn:se:uu:diva-128283DOI: 10.1103/PhysRevLett.103.081802ISI: 000269288500022OAI: oai:DiVA.org:uu-128283DiVA: diva2:331072
Available from: 2010-07-21 Created: 2010-07-20 Last updated: 2017-12-12Bibliographically approved

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Uppsala UniversityDepartment of Physics and Astronomy
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