High Sensitivity Search for ν̄e's from the Sun and Other Sources at KamLAND

K. Eguchi, S. Enomoto, K. Furuno, H. Ikeda, K. Ikeda, K. Inoue, K. Ishihara, Iwamoto, T. Kawashima, Y. Kishimoto, M. Koga, Y. Koseki, T. Maeda, T. Mitsui, M. Motoki, K. Nakajima, H. Ogawa, K. Owada, F. Piquemal, I. ShimizuJ. Shirai, F. Suekane, A. Suzuki, K. Tada, O. Tajima, T. Takayama, K. Tamae, H. Watanabe, J. Busenitz, Z. Djurcic, K. McKinny, D. M. Mei, A. Piepke, E. Yakushev, B. E. Berger, Y. D. Chan, M. P. Decowski, D. A. Dwyer, S. J. Freedman, Y. Fu, B. K. Fujikawa, J. Goldman, K. M. Heeger, K. T. Lesko, K. B. Luk, H. Murayama, D. R. Nygren, C. E. Okada, A. W.P. Poon, H. M. Steiner, L. A. Winslow, G. A. Horton-Smith, C. Mauger, R. D. McKeown, B. Tipton, P. Vogel, C. E. Lane, T. Miletic, P. W. Gorham, G. Guillian, J. G. Learned, J. Maricic, S. Matsuno, S. Pakvasa, S. Dazeley, S. Hatakeyama, R. Svoboda, B. D. Dieterle, M. DiMauro, J. Detwiler, G. Gratta, K. Ishii, N. Tolich, Y. Uchida, M. Batygov, W. Bugg, Y. Efremenko, Y. Kamyshkov, A. Kozlov, Y. Nakamura, C. R. Gould, H. J. Karwowski, D. M. Markoff, J. A. Messimore, K. Nakamura, R. M. Rohm, W. Tornow, A. R. Young, M. J. Chen, Y. F. Wang

Research output: Contribution to journalArticlepeer-review

150 Citations (Scopus)


The data corresponding to a KamLAND detector exposure of 0.28 kton yr, that has been used to search for v̄e's was analyzed. It was assumed that all v̄e flux had its origin in the Sun and had the characteristics 8B solar v8 energy spectrum. An upper limit of 3.7 ×102 cm-1s-1 on the v̄e flux was obtained. The limit on the product of the neutrino transition magnetic moment μ and the transverse component of the magnetic field BT in the Sun at a radius of 0.05Rs was also obtained.

Original languageEnglish
Article number071301
Pages (from-to)713011-713015
Number of pages5
JournalPhysical review letters
Issue number7
Publication statusPublished - 2004 Feb 20

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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