Potential of geo-neutrino measurements at JUNO

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Ran Han, Yu-Feng Li, Liang Zhan, William F McDonough, Jun Cao and Livia Ludhova. Potential of geo-neutrino measurements at JUNO[J]. Chinese Physics C, 2016, 40(3): 033003. doi: 10.1088/1674-1137/40/3/033003
Ran Han, Yu-Feng Li, Liang Zhan, William F McDonough, Jun Cao and Livia Ludhova. Potential of geo-neutrino measurements at JUNO[J]. Chinese Physics C, 2016, 40(3): 033003.  doi: 10.1088/1674-1137/40/3/033003 shu
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Received: 2015-10-08
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    Supported in part by National Natural Science Foundation of China (11405056, 11305193, 11205176, 21504063), National Science Foundation of U.S. (EAR 1067983/1068097), Strategic Priority Research Program of the Chinese Academy of Sciences under Grant No. XDA10010100 and CAS Center for Excellence in Particle Physics (CCEPP)

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Potential of geo-neutrino measurements at JUNO

    Corresponding author: Ran Han,
    Corresponding author: Yu-Feng Li,
  • 1.  Science and Technology on Reliability and Environmental Engineering Laboratory, Beijing Institute ofSpacecraft Environment Engineering, Beijing 100094, China
  • 2.  Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 3.  Department of Geology, University of Maryland, College Park, MD, USA 20742
  • 4.  Forschungzentrum Jü
Fund Project:  Supported in part by National Natural Science Foundation of China (11405056, 11305193, 11205176, 21504063), National Science Foundation of U.S. (EAR 1067983/1068097), Strategic Priority Research Program of the Chinese Academy of Sciences under Grant No. XDA10010100 and CAS Center for Excellence in Particle Physics (CCEPP)

Abstract: The flux of geoneutrinos at any point on the Earth is a function of the abundance and distribution of radioactive elements within our planet. This flux has been successfully detected by the 1-kt KamLAND and 0.3-kt Borexino detectors, with these measurements being limited by their low statistics. The planned 20-kt JUNO detector will provide an exciting opportunity to obtain a high statistics measurement, which will provide data to address several questions of geological importance. This paper presents the JUNO detector design concept, the expected geo-neutrino signal and corresponding backgrounds. The precision level of geo-neutrino measurements at JUNO is obtained with the standard least-squares method. The potential of the Th/U ratio and mantle measurements is also discussed.

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