Abstract:In our quest for investigating the nature of dark matter from the way its constituents interact with ordinary matter, we propose an experiment using a PbWO 4 calorimeter to search for or set new limits on the production rate of i) hidden sector dark matter mediator in the 3 − 60 MeV mass range via their e + e − decay (or γγ decay with limited tracking), and ii) the hypothetical X17 particle, claimed in two recent experiments. The search for these particles is motivated by new dark matter models and candidates … Show more
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