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

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Abstract
The SoLid collaboration has developed a new detector technology to detect electron anti-neutrinos at close proximity to the Belgian BR2 reactor at surface level. A 288 kg prototype detector was deployed in 2015 and collected data during the operational period of the reactor and during reactor shut-down. Dedicated calibration campaigns were also performed with gamma and neutron sources. This paper describes the construction of the prototype detector with a high control on its proton content and the stability of its operation over a period of several months after deployment at the BR2 reactor site. All detector cells provide sufficient light yields to achieve a target energy resolution of better than 20%/root E(MeV). The capability of the detector to track muons is exploited to equalize the light response of a large number of channels to a precision of 3% and to demonstrate the stability of the energy scale over time. Particle identification based on pulse-shape discrimination is demonstrated with calibration sources. Despite a lower neutron detection efficiency due to triggering constraints, the main backgrounds at the reactor site were determined and taken into account in the shielding strategy for the main experiment. The results obtained with this prototype proved essential in the design optimization of the final detector.
Keywords
STERILE NEUTRINO, Large detector systems for particle and astroparticle physics, Neutrino, detectors

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MLA
Abreu, Y., et al. “Performance of a Full Scale Prototype Detector at the BR2 Reactor for the SoLid Experiment.” JOURNAL OF INSTRUMENTATION, vol. 13, 2018.
APA
Abreu, Y., Amhis, Y., Arnold, L., Ban, G., Beaumont, W., Bongrand, M., … Yermia, F. (2018). Performance of a full scale prototype detector at the BR2 reactor for the SoLid experiment. JOURNAL OF INSTRUMENTATION, 13.
Chicago author-date
Abreu, Y, Y Amhis, L Arnold, G Ban, W Beaumont, M Bongrand, D Boursette, et al. 2018. “Performance of a Full Scale Prototype Detector at the BR2 Reactor for the SoLid Experiment.” JOURNAL OF INSTRUMENTATION 13.
Chicago author-date (all authors)
Abreu, Y, Y Amhis, L Arnold, G Ban, W Beaumont, M Bongrand, D Boursette, BC Castle, K Clark, B Coupe, D Cussans, A De Roeck, J D’Hondt, D Durand, M Fallot, L Ghys, L Giot, B Guillon, S Ihantola, X Janssen, S Kalcheva, LN Kalousis, E Koonen, Mathieu Labare, G Lehaut, L Manzanillas, J Mermans, Ianthe Michiels, Céline Moortgat, D Newbold, J Park, V Pestel, K Petridis, I Pinera, G Pommery, L Popescu, G Pronost, J Rademacker, Dirk Ryckbosch, N Ryder, D Saunders, M-H Schune, L Simard, A Vacheret, S Van Dyck, P Van Mulders, N van Remortel, S Vercaemer, M Verstraeten, A Weber, and F Yermia. 2018. “Performance of a Full Scale Prototype Detector at the BR2 Reactor for the SoLid Experiment.” JOURNAL OF INSTRUMENTATION 13.
Vancouver
1.
Abreu Y, Amhis Y, Arnold L, Ban G, Beaumont W, Bongrand M, et al. Performance of a full scale prototype detector at the BR2 reactor for the SoLid experiment. JOURNAL OF INSTRUMENTATION. 2018;13.
IEEE
[1]
Y. Abreu et al., “Performance of a full scale prototype detector at the BR2 reactor for the SoLid experiment,” JOURNAL OF INSTRUMENTATION, vol. 13, 2018.
@article{8620607,
  abstract     = {The SoLid collaboration has developed a new detector technology to detect electron anti-neutrinos at close proximity to the Belgian BR2 reactor at surface level. A 288 kg prototype detector was deployed in 2015 and collected data during the operational period of the reactor and during reactor shut-down. Dedicated calibration campaigns were also performed with gamma and neutron sources. 
This paper describes the construction of the prototype detector with a high control on its proton content and the stability of its operation over a period of several months after deployment at the BR2 reactor site. All detector cells provide sufficient light yields to achieve a target energy resolution of better than 20%/root E(MeV). The capability of the detector to track muons is exploited to equalize the light response of a large number of channels to a precision of 3% and to demonstrate the stability of the energy scale over time. Particle identification based on pulse-shape discrimination is demonstrated with calibration sources. Despite a lower neutron detection efficiency due to triggering constraints, the main backgrounds at the reactor site were determined and taken into account in the shielding strategy for the main experiment. The results obtained with this prototype proved essential in the design optimization of the final detector.},
  articleno    = {P05005},
  author       = {Abreu, Y and Amhis, Y and Arnold, L and Ban, G and Beaumont, W and Bongrand, M and Boursette, D and Castle, BC and Clark, K and Coupe, B and Cussans, D and De Roeck, A and D'Hondt, J and Durand, D and Fallot, M and Ghys, L and Giot, L and Guillon, B and Ihantola, S and Janssen, X and Kalcheva, S and Kalousis, LN and Koonen, E and Labare, Mathieu and Lehaut, G and Manzanillas, L and Mermans, J and Michiels, Ianthe and Moortgat, Céline and Newbold, D and Park, J and Pestel, V and Petridis, K and Pinera, I and Pommery, G and Popescu, L and Pronost, G and Rademacker, J and Ryckbosch, Dirk and Ryder, N and Saunders, D and Schune, M-H and Simard, L and Vacheret, A and Van Dyck, S and Van Mulders, P and van Remortel, N and Vercaemer, S and Verstraeten, M and Weber, A and Yermia, F},
  issn         = {1748-0221},
  journal      = {JOURNAL OF INSTRUMENTATION},
  keywords     = {STERILE NEUTRINO,Large detector systems for particle and astroparticle physics,Neutrino,detectors},
  language     = {eng},
  pages        = {31},
  title        = {Performance of a full scale prototype detector at the BR2 reactor for the SoLid experiment},
  url          = {http://dx.doi.org/10.1088/1748-0221/13/05/P05005},
  volume       = {13},
  year         = {2018},
}

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