White paper: CeLAND - Investigation of the reactor antineutrino anomaly with an intense 144Ce-144Pr antineutrino source in KamLAND

White paper: CeLAND - Investigation of the reactor antineutrino anomaly with an intense 144Ce-144Pr antineutrino source in KamLAND

We propose to test for short baseline neutrino oscillations, implied by the recent reevaluation of the reactor antineutrino flux and by anomalous results from the gallium solar neutrino detectors. The test will consist of producing a 75 kCi 144Ce - 144Pr antineutrino source to be deployed in the Kam...

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Veröffentlicht in:arXiv.org 2013-10
Hauptverfasser: Gando, A, Gando, Y, Hayashida, S, Ikeda, H, Inoue, K, Ishidoshiro, K, Ishikawa, H, Koga, M, Matsuda, R, Matsuda, S, Mitsui, T, Motoki, D, Nakamura, K, Oki, Y, Otani, M, Shimizu, I, Shirai, J, Suekane, F, Suzuki, A, Takemoto, Y, Tamae, K, Ueshima, K, Watanabe, H, Xu, B D, Yamada, S, Yamauchi, Y, Yoshida, H, Banks, T, Berger, B E, Cribier, M, Decowski, P, Detwiler, J A, Durero, M, Dwyer, D, Efremenko, Y, Enomoto, S, Fischer, V, Fujikawa, B K, Gaffiot, J, Gelis, V M, Karwowski, H J, Kolomensky, Yu G, Kozlov, A, Kornoukhov, V N, Lasserre, T, Learned, J G, Letourneau, A, Lhuillier, D, Maricic, J, Markoff, D M, Matsuno, S, Mention, G, Milincic, R, ODonnell, T, Saldikov, I S, Scola, L, Tikhomirov, G V, Veyssiere, Ch, Vivier, M, Yoshida, S
Format: Artikel
Sprache:eng
Schlagworte:
Cerium 144
Dependence
Energy measurement
Gallium
Neutrinos
Position measurement
Praseodymium isotopes
Scintillation counters
Solar neutrinos
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Zusammenfassung:We propose to test for short baseline neutrino oscillations, implied by the recent reevaluation of the reactor antineutrino flux and by anomalous results from the gallium solar neutrino detectors. The test will consist of producing a 75 kCi 144Ce - 144Pr antineutrino source to be deployed in the Kamioka Liquid Scintillator Anti-Neutrino Detector (KamLAND). KamLAND's 13m diameter target volume provides a suitable environment to measure energy and position dependence of the detected neutrino flux. A characteristic oscillation pattern would be visible for a baseline of about 10 m or less, providing a very clean signal of neutrino disappearance into a yet-unknown, "sterile" state. Such a measurement will be free of any reactor-related uncertainties. After 1.5 years of data taking the Reactor Antineutrino Anomaly parameter space will be tested at > 95% C.L.
ISSN:2331-8422