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SoLid : Search for Oscillations with Lithium-6 Detector at the SCK-CEN BR2 reactor

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Abstract
Sterile neutrinos have been considered as a possible explanation for the recent reactor and Gallium anomalies arising from reanalysis of reactor flux and calibration data of previous neutrino experiments. A way to test this hypothesis is to look for distortions of the anti-neutrino energy caused by oscillation from active to sterile neutrino at close stand-off (similar to 6-8m) of a compact reactor core. Due to the low rate of anti-neutrino interactions the main challenge in such measurement is to control the high level of gamma rays and neutron background. The SoLid experiment is a proposal to search for active-to-sterile anti-neutrino oscillation at very short baseline of the SCK center dot CEN BR2 research reactor. This experiment uses a novel approach to detect anti-neutrino with a highly segmented detector based on Lithium-6. With the combination of high granularity, high neutron-gamma discrimination using 6LiF:ZnS(Ag) and precise localization of the Inverse Beta Decay products, a better experimental sensitivity can be achieved compared to other state-of-the-art technology. This compact system requires minimum passive shielding allowing for very close stand off to the reactor. The experimental set up of the SoLid experiment and the BR2 reactor will be presented. The new principle of neutrino detection and the detector design with expected performance will be described. The expected sensitivity to new oscillations of the SoLid detector as well as the first measurements made with the 8 kg prototype detector deployed at the BR2 reactor in 2013-2014 will be reported.
Keywords
Reactor anomaly, sterile neutrino, innovative detector, research reactor

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Chicago
Ban, G, W Beaumont, JM Buhour, B Coupé, AS Cucoanes, J D’Hondt, D Durand, et al. 2016. “SoLid : Search for Oscillations with Lithium-6 Detector at the SCK-CEN BR2 Reactor.” In Nuclear and Particle Physics Proceedings, 273:2690–2692. Amsterdam, The Netherlands: Elsevier Science.
APA
Ban, G., Beaumont, W., Buhour, J., Coupé, B., Cucoanes, A., D’Hondt, J., Durand, D., et al. (2016). SoLid : Search for Oscillations with Lithium-6 Detector at the SCK-CEN BR2 reactor. Nuclear and Particle Physics Proceedings (Vol. 273, pp. 2690–2692). Presented at the 37th International conference on High Energy Physics (ICHEP), Amsterdam, The Netherlands: Elsevier Science.
Vancouver
1.
Ban G, Beaumont W, Buhour J, Coupé B, Cucoanes A, D’Hondt J, et al. SoLid : Search for Oscillations with Lithium-6 Detector at the SCK-CEN BR2 reactor. Nuclear and Particle Physics Proceedings. Amsterdam, The Netherlands: Elsevier Science; 2016. p. 2690–2.
MLA
Ban, G, W Beaumont, JM Buhour, et al. “SoLid : Search for Oscillations with Lithium-6 Detector at the SCK-CEN BR2 Reactor.” Nuclear and Particle Physics Proceedings. Vol. 273. Amsterdam, The Netherlands: Elsevier Science, 2016. 2690–2692. Print.
@inproceedings{8507707,
  abstract     = {Sterile neutrinos have been considered as a possible explanation for the recent reactor and Gallium anomalies arising from reanalysis of reactor flux and calibration data of previous neutrino experiments. A way to test this hypothesis is to look for distortions of the anti-neutrino energy caused by oscillation from active to sterile neutrino at close stand-off (similar to 6-8m) of a compact reactor core. Due to the low rate of anti-neutrino interactions the main challenge in such measurement is to control the high level of gamma rays and neutron background. 
The SoLid experiment is a proposal to search for active-to-sterile anti-neutrino oscillation at very short baseline of the SCK center dot CEN BR2 research reactor. 
This experiment uses a novel approach to detect anti-neutrino with a highly segmented detector based on Lithium-6. With the combination of high granularity, high neutron-gamma discrimination using 6LiF:ZnS(Ag) and precise localization of the Inverse Beta Decay products, a better experimental sensitivity can be achieved compared to other state-of-the-art technology. This compact system requires minimum passive shielding allowing for very close stand off to the reactor. The experimental set up of the SoLid experiment and the BR2 reactor will be presented. The new principle of neutrino detection and the detector design with expected performance will be described. The expected sensitivity to new oscillations of the SoLid detector as well as the first measurements made with the 8 kg prototype detector deployed at the BR2 reactor in 2013-2014 will be reported.},
  author       = {Ban, G and Beaumont, W and Buhour, JM and Coup{\'e}, B and Cucoanes, AS and D'Hondt, J and Durand, D and Fallot, M and Fresneau, S and Giot, L and Guillon, B and Guilloux, G and Janssen, X and Kalcheva, S and Koonen, E and Labare, Mathieu and Moortgat, C{\'e}line and Pronost, G and Raes, L and Ryckbosch, Dirk and Ryder, N and Shitov, Y and Vacheret, A and Van Mulders, P and Van Remortel, N and Weber, A and Yermia, F},
  booktitle    = {Nuclear and Particle Physics Proceedings},
  issn         = {2405-6014},
  keyword      = {Reactor anomaly,sterile neutrino,innovative detector,research reactor},
  language     = {eng},
  location     = {Valencia, Spain},
  pages        = {2690--2692},
  publisher    = {Elsevier Science},
  title        = {SoLid : Search for Oscillations with Lithium-6 Detector at the SCK-CEN BR2 reactor},
  url          = {http://dx.doi.org/10.1016/j.nuclphysbps.2015.10.032},
  volume       = {273},
  year         = {2016},
}

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