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Search for Dark Photons from Supersymmetric Hidden Valleys
Baringer, Philip S. Bean, Alice Clutter, Justace Randall McGivern, Carrie Lynne Moulik, Tania Wilson, Graham Wallace
Baringer, Philip S.
Bean, Alice
Clutter, Justace Randall
McGivern, Carrie Lynne
Moulik, Tania
Wilson, Graham Wallace
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Abstract
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.
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.103.081802.
Date
2009-08-17
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American Physical Society
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Baringer_8-17-2009.pdf
Adobe PDF, 336.04 KB
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Citation
V. M. Abazov et al. (D0 Collaboration). (2009). "Search for Dark Photons from Supersymmetric Hidden Valleys." Physical Review Letters, 103(8):081802. http://dx.doi.org/10.1103/PhysRevLett.103.081802.