The BDX-MINI detector for Light Dark Matter search at JLab

Abstract

This paper describes the design and performance of a compact detector, BDX-MINI, that incorporates all features of a concept that optimized the detection of light dark matter produced by electrons in a beam dump. It represents a reduced version of the future BDX experiment expected to run at JLAB. BDX-MINI was exposed to penetrating particles produced by a 2.176 GeV electron beam incident on the beam dump of Hall A at Jefferson Lab. The detector consists of 30.5 kg of PbWO4 crystals with sufficient material following the beam dump to eliminate all known particles except neutrinos. The crystals are read out using silicon photomultipliers. Completely surrounding the detector are a passive layer of tungsten and two active scintillator veto systems, which are also read out using silicon photomultipliers. The design was validated and the performance of the robust detector was shown to be stable during a six month period during which the detector was operated with minimal access.

References in corpus (8)

• The GENIE Neutrino Monte Carlo Generator
• The Dark Photon
• Validity of the Weizsäcker-Williams Approximation and the Analysis of Beam Dump Experiments: Production of an axion, a dark photon, or a new axial-vector boson
• Searching in the dark: the hunt for the dark photon
• The exact tree-level calculation of the dark photon production in high-energy electron scattering at the CERN SPS
• A novel way to search for light dark matter in lepton beam-dump experiments
• Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)
• The Fine Structure Constant and Habitable Planets

Cited by in corpus (5)

• Dark matter search with the BDX-MINI experiment
• A proposed PKU-Muon experiment for muon tomography and dark matter search
• Secondary beams at high-intensity electron accelerator facilities
• Naturally Resonant Dark Matter from Extra Dimensions
• Electron beam studies of light collection in a scintillating counter with embedded fibers