Performance of a full scale prototype detector at the BR2 reactor for the SoLid experiment

Abreu, Y.; Giot, L.; Pestel, V.; Piñera, I.; Mermans, J.; Ryder, N. C.; Boursette, D.; Castle, B. C.; Arnold, L.; Simard, L.; Lehaut, G.; Koonen, E.; Rademacker, J. H.; Roeck, A. De; Pronost, G.; Kalcheva, S.; Janssen, X.; Weber, A.; Clark, K.; Amhis, Y.; Park, J.; D’Hondt, J.; Dyck, S. Van; Michiels, I.; Ryckbosch, D.; Labare, M.; Coupé, B.; Petridis, K.; Schune, M. H.; Ihantola, Sakari; Saunders, D. M.; Kalousis, Leonidas; Pommery, G.; Manzanillas, L.; Vacheret, A.; Popescu, L.; Bongrand, M.; Verstraeten, M.; Cussans, D.; Beaumont, W. Worby; Ban, G.; Moortgat, C.; Yermia, F.; Vercaemer, S.; Durand, Dominique; Remortel, N. Van; Mulders, P. Van; Fallot, M.; Newbold, D. M.; Ghys, L.

doi:10.1088/1748-0221/13/05/p05005

Cited by 41 publications

(41 citation statements)

References 34 publications

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“…The reactor core with a height of 90 cm and 50 cm diameter provides up to 80 MW thermal power. The novel detector technology applied in SoLid was first tested in a 288 kg prototype module [124] deployed at the research reactor during reactor ON and OFF phases. The construction and commissioning of the SoLid Phase 1 detector with a sensitive mass of 1.6 t was then completed in February 2018.…”

Section: Solidmentioning

confidence: 99%

Status of light sterile neutrino searches

Böser

Buck

Giunti

et al. 2020

Progress in Particle and Nuclear Physics

209

195

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A number of anomalous results in short-baseline oscillation may hint at the existence of one or more light sterile neutrino states in the eV mass range and have triggered a wave of new experimental efforts to search for a definite signature of oscillations between active and sterile neutrino states. The present paper aims to provide a comprehensive review on the status of light sterile neutrino searches in mid-2019: we discuss not only the basic experimental approaches and sensitivities of reactor, source, atmospheric, and accelerator neutrino oscillation experiments but also the complementary bounds arising from direct neutrino mass experiments and cosmological observations. Moreover, we review current results from global oscillation analyses that include the constraints set by running reactor and atmospheric neutrino experiments. They permit to set tighter bounds on the active-sterile oscillation parameters but as yet are not able to provide a definite conclusion on the existence of eV-scale sterile neutrinos.

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Section: Solidmentioning

confidence: 99%

Status of light sterile neutrino searches

Böser

Buck

Giunti

et al. 2020

Progress in Particle and Nuclear Physics

209

195

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“…Both prompt and delayed signals are read out by the same network of wavelength shifting fibres and Multi-Pixel Photon Counters (MPPCs) [20]. A detailed description of the detector concept and the performance of the constructed SM1 prototype can be found in [12,21].…”

Section: Introductionmentioning

confidence: 99%

Development of a quality assurance process for the SoLid experiment

et al. 2019

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A : 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•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. 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 O(10)% in the energy spectrum of reactor ν 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. CALIPSO provides precise, automatic placement of radioactive sources in front of each cube of a given detector plane (16×16 cubes). A combination of 22 Na, 252 Cf and AmBe gamma and neutron sources were used by CALIPSO during the quality assurance process. Initially, the scanning identified defective components allowing for repair during initial construction of the SoLid detector. Secondly, a full analysis of the calibration data revealed initial estimations for the light yield of over 60 PA/MeV and neutron reconstruction efficiency of 68%, validating the SoLid physics requirements.

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“…The next few years will see a the number of new short-baseline results from STEREO [54], SoLid [55] and PROSPECT [56], the first and last of which have already started collecting data. However, to avoid clutter in Fig consider these in our analysis.…”

Section: Reactor Antineutrino Experimentsmentioning

confidence: 99%

Constraining sterile neutrino cosmology with terrestrial oscillation experiments

Berryman

2019

Phys. Rev. D

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We explore the complementarity between terrestrial neutrino oscillation experiments and astrophysical/cosmological measurements in probing the existence of sterile neutrinos. We find that upcoming accelerator neutrino experiments will not improve on constraints by the time they are operational, but that reactor experiments can already probe parameter space beyond the reach of Planck. We emphasize the tension between cosmological experiments and reactor antineutrino experiments and enumerate several possibilities for resolving this tension. † It is, by hypothesis, not possible to directly detect sterile neu-arXiv:1905.03254v1 [hep-ph]

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Performance of a full scale prototype detector at the BR2 reactor for the SoLid experiment

Cited by 41 publications

References 34 publications

Status of light sterile neutrino searches

Status of light sterile neutrino searches

Development of a quality assurance process for the SoLid experiment

Constraining sterile neutrino cosmology with terrestrial oscillation experiments

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