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Published October 11, 2015 | Submitted
Journal Article Open

Neutron calibration sources in the Daya Bay experiment


We describe the design and construction of the low rate neutron calibration sources used in the Daya Bay Reactor Anti-neutrino Experiment. Such sources are free of correlated gamma-neutron emission, which is essential in minimizing induced background in the anti-neutrino detector. The design characteristics have been validated in the Daya Bay anti-neutrino detector.

Additional Information

© 2015 Elsevier B.V. Received 3 May 2015; Received in revised form 29 June 2015; Accepted 2 July 2015; Available online 9 July 2015. This work was done with support from the US DoE, Office of Science, High Energy Physics, the US National Science Foundation, the Natural Science Foundation of China Grants 11175116, the Chinese MOST grant 2013CB834306, and Shanghai Laboratory for Particle Physics and Cosmology at the Shanghai Jiao Tong University. This work is supported in part by the CAS Center for Excellence in Particle Physics (CCEPP). We gratefully thank Dick Hahn from BNL for his critical guidance in making these sources. We also thank David Jaffe from BNL for his intellectual input. The technical support from the Kellogg technical team Ray Cortez and Jim Pendlay, particularly Ray׳s design work, is truly indispensable. We also appreciate the safety guidance from the Caltech radiation safety officers Haick Issaian and Andre Jefferson, and on-site logistical support from Xiaonan Li of IHEP.

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