Be7 solar neutrino measurement with KamLAND

doi:10.1103/PhysRevC.92.055808

Title: ${}^{7}{Be}$ solar neutrino measurement with KamLAND

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In this article, we report a measurement of the neutrino-electron elastic scattering rate of 862 keV ⁷Be solar neutrinos based on a 165.4 kt d exposure of KamLAND. The observed rate is 582 ± 94 (kt d) ^-1, which corresponds to an 862-keV ⁷Be solar neutrino flux of (3.26 ± 0.52) × 10 ⁹ cm ^-2s ^-1, assuming a pure electron-flavor flux. Comparing this flux with the standard solar model prediction and further assuming three-flavor mixing, a ν _e survival probability of 0.66 ± 0.15 is determined from the KamLAND data. Utilizing a global three-flavor oscillation analysis, we obtain a total ⁷Be solar neutrino flux of (5.82 ± 1.02) × 10 ⁹ cm ^-2s ^-1, which is consistent with the standard solar model predictions.

Authors:: Gando, A. ; Gando, Y. ; Hanakago, H. ; Ikeda, H. ; Inoue, K. ; Ishidoshiro, K. ; Ishikawa, H. ; Kishimoto, Y. ; Koga, M. ; Matsuda, R. ; Matsuda, S. ; Mitsui, T. ; Motoki, D. ; Nakajima, K. ; Nakamura, K. ; Obata, A. ; Oki, A. ; Oki, Y. ; Otani, M. ; Shimizu, I. more »« less

Publication Date:: 2015-11-30

Grant/Contract Number:: AC02-05CH11231; FG02-01ER41166

Type:: Accepted Manuscript

Journal Name:: Physical Review. C, Nuclear Physics

Additional Journal Information:: Journal Volume: 92; Journal Issue: 5; Journal ID: ISSN 0556-2813

Publisher:: American Physical Society (APS)

Research Org:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Org:: USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)

Contributing Orgs:: KamLAND Collaboration

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

OSTI Identifier:: 1378662

Alternate Identifier(s):: OSTI ID: 1227520


                    Gando, A., Gando, Y., Hanakago, H., Ikeda, H., Inoue, K., Ishidoshiro, K., Ishikawa, H., Kishimoto, Y., Koga, M., Matsuda, R., Matsuda, S., Mitsui, T., Motoki, D., Nakajima, K., Nakamura, K., Obata, A., Oki, A., Oki, Y., Otani, M., Shimizu, I., Shirai, J., Suzuki, A., Tamae, K., Ueshima, K., Watanabe, H., Xu, B. D., Yamada, S., Yamauchi, Y., Yoshida, H., Kozlov, A., Takemoto, Y., Yoshida, S., Grant, C., Keefer, G., McKee, D. W., Piepke, A., Banks, T. I., Bloxham, T., Freedman, S. J., Fujikawa, B. K., Han, K., Hsu, L., Ichimura, K., Murayama, H., O'Donnell, T., Steiner, H. M., Winslow, L. A., Dwyer, D., Mauger, C., McKeown, R. D., Zhang, C., Berger, B. E., Lane, C. E., Maricic, J., Miletic, T., Learned, J. G., Sakai, M., Horton-Smith, G. A., Tang, A., Downum, K. E., Tolich, K., Efremenko, Y., Kamyshkov, Y., Perevozchikov, O., Karwowski, H. J., Markoff, D. M., Tornow, W., Detwiler, J. A., Enomoto, S., Heeger, K., and Decowski, M. P.. Be7 solar neutrino measurement with KamLAND.  United States: N. p.,  
        Web.  doi:10.1103/PhysRevC.92.055808.

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                    Gando, A., Gando, Y., Hanakago, H., Ikeda, H., Inoue, K., Ishidoshiro, K., Ishikawa, H., Kishimoto, Y., Koga, M., Matsuda, R., Matsuda, S., Mitsui, T., Motoki, D., Nakajima, K., Nakamura, K., Obata, A., Oki, A., Oki, Y., Otani, M., Shimizu, I., Shirai, J., Suzuki, A., Tamae, K., Ueshima, K., Watanabe, H., Xu, B. D., Yamada, S., Yamauchi, Y., Yoshida, H., Kozlov, A., Takemoto, Y., Yoshida, S., Grant, C., Keefer, G., McKee, D. W., Piepke, A., Banks, T. I., Bloxham, T., Freedman, S. J., Fujikawa, B. K., Han, K., Hsu, L., Ichimura, K., Murayama, H., O'Donnell, T., Steiner, H. M., Winslow, L. A., Dwyer, D., Mauger, C., McKeown, R. D., Zhang, C., Berger, B. E., Lane, C. E., Maricic, J., Miletic, T., Learned, J. G., Sakai, M., Horton-Smith, G. A., Tang, A., Downum, K. E., Tolich, K., Efremenko, Y., Kamyshkov, Y., Perevozchikov, O., Karwowski, H. J., Markoff, D. M., Tornow, W., Detwiler, J. A., Enomoto, S., Heeger, K., & Decowski, M. P.. Be7 solar neutrino measurement with KamLAND.  United States.  doi:10.1103/PhysRevC.92.055808.

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                    Gando, A., Gando, Y., Hanakago, H., Ikeda, H., Inoue, K., Ishidoshiro, K., Ishikawa, H., Kishimoto, Y., Koga, M., Matsuda, R., Matsuda, S., Mitsui, T., Motoki, D., Nakajima, K., Nakamura, K., Obata, A., Oki, A., Oki, Y., Otani, M., Shimizu, I., Shirai, J., Suzuki, A., Tamae, K., Ueshima, K., Watanabe, H., Xu, B. D., Yamada, S., Yamauchi, Y., Yoshida, H., Kozlov, A., Takemoto, Y., Yoshida, S., Grant, C., Keefer, G., McKee, D. W., Piepke, A., Banks, T. I., Bloxham, T., Freedman, S. J., Fujikawa, B. K., Han, K., Hsu, L., Ichimura, K., Murayama, H., O'Donnell, T., Steiner, H. M., Winslow, L. A., Dwyer, D., Mauger, C., McKeown, R. D., Zhang, C., Berger, B. E., Lane, C. E., Maricic, J., Miletic, T., Learned, J. G., Sakai, M., Horton-Smith, G. A., Tang, A., Downum, K. E., Tolich, K., Efremenko, Y., Kamyshkov, Y., Perevozchikov, O., Karwowski, H. J., Markoff, D. M., Tornow, W., Detwiler, J. A., Enomoto, S., Heeger, K., and Decowski, M. P.. 2015.  
        "Be7 solar neutrino measurement with KamLAND".  United States.  
        doi:10.1103/PhysRevC.92.055808.  https://www.osti.gov/servlets/purl/1378662.

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@article{osti_1378662,

  title        = {Be7 solar neutrino measurement with KamLAND},

  author       = {Gando, A. and Gando, Y. and Hanakago, H. and Ikeda, H. and Inoue, K. and Ishidoshiro, K. and Ishikawa, H. and Kishimoto, Y. and Koga, M. and Matsuda, R. and Matsuda, S. and Mitsui, T. and Motoki, D. and Nakajima, K. and Nakamura, K. and Obata, A. and Oki, A. and Oki, Y. and Otani, M. and Shimizu, I. and Shirai, J. and Suzuki, A. and Tamae, K. and Ueshima, K. and Watanabe, H. and Xu, B. D. and Yamada, S. and Yamauchi, Y. and Yoshida, H. and Kozlov, A. and Takemoto, Y. and Yoshida, S. and Grant, C. and Keefer, G. and McKee, D. W. and Piepke, A. and Banks, T. I. and Bloxham, T. and Freedman, S. J. and Fujikawa, B. K. and Han, K. and Hsu, L. and Ichimura, K. and Murayama, H. and O'Donnell, T. and Steiner, H. M. and Winslow, L. A. and Dwyer, D. and Mauger, C. and McKeown, R. D. and Zhang, C. and Berger, B. E. and Lane, C. E. and Maricic, J. and Miletic, T. and Learned, J. G. and Sakai, M. and Horton-Smith, G. A. and Tang, A. and Downum, K. E. and Tolich, K. and Efremenko, Y. and Kamyshkov, Y. and Perevozchikov, O. and Karwowski, H. J. and Markoff, D. M. and Tornow, W. and Detwiler, J. A. and Enomoto, S. and Heeger, K. and Decowski, M. P.},

  abstractNote = {In this article, we report a measurement of the neutrino-electron elastic scattering rate of 862 keV 7Be solar neutrinos based on a 165.4 kt d exposure of KamLAND. The observed rate is 582 ± 94 (kt d)-1, which corresponds to an 862-keV 7Be solar neutrino flux of (3.26 ± 0.52) × 109 cm-2s-1, assuming a pure electron-flavor flux. Comparing this flux with the standard solar model prediction and further assuming three-flavor mixing, a νe survival probability of 0.66 ± 0.15 is determined from the KamLAND data. Utilizing a global three-flavor oscillation analysis, we obtain a total 7Be solar neutrino flux of (5.82 ± 1.02) × 109 cm-2s-1, which is consistent with the standard solar model predictions.},

  doi          = {10.1103/PhysRevC.92.055808},

  journal      = {Physical Review. C, Nuclear Physics},

  number       = 5,

  volume       = 92,

  place        = {United States},

  year         = {2015},

  month        = {11}

}

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10.1103/PhysRevC.92.055808
https://doi.org/10.1103/PhysRevC.92.055808

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Title: Be 7 solar neutrino measurement with KamLAND

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Title: ${}^{7}{Be}$ solar neutrino measurement with KamLAND