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Development of a Quality Assurance Process for the SoLid Experiment | | Y. Abreu
; Y. Amhis
; G. Ban
; W. Beaumont
; S. Binet
; M. Bongrand
; D. Boursette
; B. C. Castle
; H. Chanal
; K. Clark
; B. Coupé
; P. Crochet
; D. Cussans
; A. De Roeck
; D. Durand
; M. Fallot
; L. Ghys
; L. Giot
; K. Graves
; B. Guillon
; D. Henaff
; B. Hosseini
; S. Ihantola
; S. Jenzer
; S. Kalcheva
; L. N. Kalousis
; M. Labare
; G. Lehaut
; S. Manley
; L. Manzanillas
; J. Mermans
; I. Michiels
; S. Monteil
; C. Moortgat
; D. Newbold
; J. Park
; V. Pestel
; K. Petridis
; I. Piñera
; L. Popescu
; D. Ryckbosch
; N. Ryder
; D. Saunders
; M.-H. Schune
; M. Settimo
; L. Simard
; A. Vacheret
; G. Vandierendonck
; S. Van Dyck
; P. Van Mulders
; N. van Remortel
; S. Vercaemer
; M. Verstraeten
; B. Viaud
; A. Weber
; F. Yermia
; | | Date: |
15 Nov 2018 | | Abstract: | The SoLid experiment has been designed to search for an oscillation pattern
induced by a light sterile neutrino state, utilising the BR2 reactor of
SCK$ullet$CEN, in Belgium. The detector leverages a new hybrid technology,
utilising two distinct scintillators in a cubic array, creating a highly
segmented detector volume. A combination of 5 cm cubic polyvinyltoluene cells,
with $^6$LiF:ZnS(Ag) sheets on two faces of each cube, facilitate
reconstruction of the neutrino signals. % The polyvinyltoluene scintillator is
used as an $overline{
u}_e$ target for the inverse beta decay of
($overline{
u}_e + p
ightarrow e^{+}+n$), with the $^6$LiF:ZnS(Ag) sheets
used for associated neutron detection. Scintillation signals are read out by a
network of wavelength shifting fibres connected to multipixel photon counters.
Whilst the high granularity provides a powerful toolset to discriminate
backgrounds; by itself the segmentation also represents a challenge in terms of
homogeneity and calibration, for a consistent detector response. The search for
this light sterile neutrino implies a sensitivity to distortions of around
$mathcal{O}$(10)\% in the energy spectrum of reactor $overline{
u}_e$.
Hence, a very good neutron detection efficiency, light yield and homogeneous
detector response are critical for data validation. The minimal requirements
for the SoLid physics program are a light yield and a neutron detection
efficiency larger than 40 PA/MeV/cube and 50 \% respectively. In order to
guarantee these minimal requirements, the collaboration developed a rigorous
quality assurance process for all 12800 cubic cells of the detector. To carry
out the quality assurance process, an automated calibration system called
CALIPSO was designed and constructed. | | Source: | arXiv, 1811.5244 | | Services: | Forum | Review | PDF | Favorites | |
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