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The BDX-MINI detector for Light Dark Matter search at JLab | M.Battaglieri
; P. Bisio
; M. BondÃ
; A. Celentano
; P.L. Cole
; M. De Napoli
; R. De Vita
; L. Marsicano
; G. Ottonello
; F. Parodi
; N. Randazzo
; E.S. Smith
; D. Snowden-Ifft
; M. Spreafico
; T. Whitlatch
; M.H. Wood
; | Date: |
20 Nov 2020 | 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. | Source: | arXiv, 2011.10532 | Services: | Forum | Review | PDF | Favorites |
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