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Measurement of the 8B solar neutrino flux with the KamLAND liquid scintillator detector

Publication ,  Journal Article
Abe, S; Furuno, K; Gando, A; Gando, Y; Ichimura, K; Ikeda, H; Inoue, K; Kibe, Y; Kimura, W; Kishimoto, Y; Koga, M; Minekawa, Y; Mitsui, T ...
Published in: Physical Review C - Nuclear Physics
September 13, 2011
Published version (DOI)

We report a measurement of the neutrino-electron elastic scattering rate from 8B solar neutrinos based on a 123 kton-day exposure of KamLAND. The background-subtracted electron recoil rate, above a 5.5-MeV analysis threshold is 1.49 ± 0.14(stat) ± 0.17(syst) events per kton-day. Interpreted as due to a pure electron flavor flux with a 8B neutrino spectrum, this corresponds to a spectrum integrated flux of 2.77 ± 0.26(stat) ± 0.32(syst) ×106 cm-2s-1. The analysis threshold is driven by 208Tl present in the liquid scintillator, and the main source of systematic uncertainty is due to background from cosmogenic 11Be. The measured rate is consistent with existing measurements and with standard solar model predictions which include matter-enhanced neutrino oscillation. © 2011 American Physical Society.

Duke Scholars

Diane M Markoff
Author Diane M Markoff Physics
Werner Tornow
Author Werner Tornow Physics
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Published In

Physical Review C - Nuclear Physics

DOI

10.1103/PhysRevC.84.035804

EISSN

1089-490X

ISSN

0556-2813

Publication Date

September 13, 2011

Volume

84

Issue

3

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

Citation

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Abe, S., Furuno, K., Gando, A., Gando, Y., Ichimura, K., Ikeda, H., … Decowski, M. P. (2011). Measurement of the 8B solar neutrino flux with the KamLAND liquid scintillator detector. Physical Review C - Nuclear Physics, 84(3). https://doi.org/10.1103/PhysRevC.84.035804
Abe, S., K. Furuno, A. Gando, Y. Gando, K. Ichimura, H. Ikeda, K. Inoue, et al. “Measurement of the 8B solar neutrino flux with the KamLAND liquid scintillator detector.” Physical Review C - Nuclear Physics 84, no. 3 (September 13, 2011). https://doi.org/10.1103/PhysRevC.84.035804.
Abe S, Furuno K, Gando A, Gando Y, Ichimura K, Ikeda H, et al. Measurement of the 8B solar neutrino flux with the KamLAND liquid scintillator detector. Physical Review C - Nuclear Physics. 2011 Sep 13;84(3).
Abe, S., et al. “Measurement of the 8B solar neutrino flux with the KamLAND liquid scintillator detector.” Physical Review C - Nuclear Physics, vol. 84, no. 3, Sept. 2011. Scopus, doi:10.1103/PhysRevC.84.035804.
Abe S, Furuno K, Gando A, Gando Y, Ichimura K, Ikeda H, Inoue K, Kibe Y, Kimura W, Kishimoto Y, Koga M, Minekawa Y, Mitsui T, Morikawa T, Nagai N, Nakajima K, Nakamura K, Nakamura M, Narita K, Shimizu I, Shimizu Y, Shirai J, Suekane F, Suzuki A, Takahashi H, Takahashi N, Takemoto Y, Tamae K, Watanabe H, Xu BD, Yabumoto H, Yonezawa E, Yoshida H, Yoshida S, Enomoto S, Kozlov A, Murayama H, Grant C, Keefer G, McKee D, Piepke A, Banks TI, Bloxham T, Detwiler JA, Freedman SJ, Fujikawa BK, Han K, Kadel R, O’Donnell T, Steiner HM, Winslow LA, Dwyer DA, Mauger C, McKeown RD, Zhang C, Berger BE, Lane CE, Maricic J, Miletic T, Batygov M, Learned JG, Matsuno S, Pakvasa S, Sakai M, Horton-Smith GA, Tang A, Downum KE, Gratta G, Tolich K, Efremenko Y, Kamyshkov Y, Perevozchikov O, Karwowski HJ, Markoff DM, Tornow W, Heeger KM, Piquemal F, Ricol JS, Decowski MP. Measurement of the 8B solar neutrino flux with the KamLAND liquid scintillator detector. Physical Review C - Nuclear Physics. 2011 Sep 13;84(3).

Published In

Physical Review C - Nuclear Physics

DOI

10.1103/PhysRevC.84.035804

EISSN

1089-490X

ISSN

0556-2813

Publication Date

September 13, 2011

Volume

84

Issue

3

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics