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New Exclusion Limits for Dark Gauge Forces from Beam-Dump Data

By Johannes Blümlein and Jürgen Brunner

Abstract

We re-analyze proton beam dump data taken at the U70 accelerator at IHEP Serpukhov with the $\nu$-calorimeter I experiment in 1989 to set mass-coupling limits for dark gauge forces. The corresponding data have been used for axion and light Higgs particle searches in Refs. before. We determine new mass and coupling exclusion bounds for dark gauge bosons.Comment: 10 pages, 6 figures, 1 style fil

Topics: High Energy Physics - Experiment, Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Phenomenology
Year: 2011
DOI identifier: 10.1016/j.physletb.2011.05.046
OAI identifier: oai:arXiv.org:1104.2747
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