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Experimental investigation of geologically produced antineutrinos with KamLAND
Araki, T; Enomoto, S; Furuno, K; Gando, Y; Ichimura, K; Ikeda, H; Inoue, K; Kishimoto, Y; Koga, M; Koseki, Y; Maeda, T; Mitsui, T; Motoki, M; Nakajima, K; Ogawa, H; Ogawa, M; Owada, K; Ricol, JS; Shimizu, I; Shirai, J; Suekane, F; Suzuki, A; Tada, K; Takeuchi, S; Tamae, K; Tsuda, Y; Watanabe, H; Busenitz, J; Classen, T; Djurcic, Z; Keefer, G; Leonard, D; Piepke, A; Yakushev, E; Berger, BE; Chan, YD; Decowski, MP; Dwyer, DA; Freedman, SJ; Fujikawa, BK; Goldman, J; Gray, F; Heeger, KM; Hsu, L; Lesko, KT; Luk, KB; Murayama, H; O'Donnell, T; Poon, AWP; Steiner, HM; Winslow, LA; Mauger, C; McKeown, RD; Vogel, P; Lane, CE; Miletic, T; Guillian, G; Learned, JG; Maricic, J; Matsuno, S; Pakvasa, S; Horton-Smith, GA; Dazeley, S; Hatakeyama, S; Rojas, A; Svoboda, R; Dieterle, BD; Detwiler, J; Gratta, G; Ishii, K; Tolich, N; Uchida, Y; Batygov, M; Bugg, W; Efremenko, Y; Kamyshkov, Y; Kozlov, A; Nakamura, Y; Karwowski, HJ; Markoff, DM; Nakamura, K; Rohm, RM; Tornow, W; Wendell, R; Chen, MJ; Wang, YF; Piquemal, F; Chen MJ(陈明君); Wang YF(王贻芳)
2005
发表期刊NATURE
卷号436期号:7050页码:499-503
通讯作者Tohoku Univ, Res Ctr Neutrino Sci, Sendai, Miyagi 9808578, Japan ; Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA ; Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA ; Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA ; CALTECH, WK Kellogg Radiat Lab, Pasadena, CA 91125 USA ; Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA ; Univ Hawaii Manoa, Dept Phys & Astron, Honolulu, HI 96822 USA ; Kansas State Univ, Dept Phys, Manhattan, KS 66506 USA ; Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA ; Univ New Mexico, Dept Phys, Albuquerque, NM 87131 USA ; Stanford Univ, Dept Phys, Stanford, CA 94305 USA ; Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA ; Duke Univ, Dept Phys, Durham, NC 27008 USA ; N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA ; Univ N Carolina, Dept Phys, Chapel Hill, NC 27599 USA ; Inst High Energy Phys, Beijing 100039, Peoples R China ; CEN Bordeaux Gradignan, IN2P3, CNRS, F-33175 Gradignan, France ; Univ Bordeaux 1, F-33175 Gradignan, France
文章类型Article
摘要The detection of electron antineutrinos produced by natural radioactivity in the Earth could yield important geophysical information. The Kamioka liquid scintillator antineutrino detector (KamLAND) has the sensitivity to detect electron antineutrinos produced by the decay of U-238 and Th-232 within the Earth. Earth composition models suggest that the radiogenic power from these isotope decays is 16 TW, approximately half of the total measured heat dissipation rate from the Earth. Here we present results from a search for geoneutrinos with KamLAND. Assuming a Th/U mass concentration ratio of 3.9, the 90 per cent confidence interval for the total number of geoneutrinos detected is 4.5 to 54.2. This result is consistent with the central value of 19 predicted by geophysical models. Although our present data have limited statistical power, they nevertheless provide by direct means an upper limit (60 TW) for the radiogenic power of U and Th in the Earth, a quantity that is currently poorly constrained.
学科领域Science & Technology - Other Topics
研究领域[WOS]Science & Technology - Other Topics ; Science & Technology - Other Topics
DOI10.1038/nature03980
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语种英语
研究领域[WOS]Science & Technology - Other Topics ; Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000230788800050
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被引频次:223[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237730
专题院士
粒子天体物理中心
作者单位中国科学院高能物理研究所
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Araki, T,Enomoto, S,Furuno, K,et al. Experimental investigation of geologically produced antineutrinos with KamLAND[J]. NATURE,2005,436(7050):499-503.
APA Araki, T.,Enomoto, S.,Furuno, K.,Gando, Y.,Ichimura, K.,...&王贻芳.(2005).Experimental investigation of geologically produced antineutrinos with KamLAND.NATURE,436(7050),499-503.
MLA Araki, T,et al."Experimental investigation of geologically produced antineutrinos with KamLAND".NATURE 436.7050(2005):499-503.
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