Determination of the [formula presented] neutrino spectrum

W. T. Winter, S. J. Freedman, K. E. Rehm, I. Ahmad, J. P. Greene, A. Heinz, D. Henderson, R. V.F. Janssens, C. L. Jiang, E. F. Moore, G. Mukherjee, R. C. Pardo, T. Pennington, G. Savard, J. P. Schiffer, D. Seweryniak, G. Zinkann, M. Paul

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Abstract

We have measured the total energy of the alpha particles following the beta decay of [Formula presented] by implanting [Formula presented] into a planar silicon surface barrier detector. Calibration was performed using alpha particles following the beta decay of [Formula presented], similarly implanted. The alpha spectrum is used to infer the [Formula presented] neutrino spectrum which is an important input in the interpretation of experiments that detect energetic neutrinos from the Sun. The alpha spectrum reported here is in disagreement with the previous best measurement which used two detectors in coincidence.

Original languageEnglish
JournalPhysical Review Letters
Volume91
Issue number25
DOIs
StatePublished - 2003

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