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Precise Determination of the Unperturbed B8 Neutrino Spectrum
- Roger, T. (author)
- Büscher, J. (author)
- Bastin, B. (author)
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- Kirsebom, O. S. (author)
- Raabe, R. (author)
- Alcorta, M. (author)
- Äystö, J. (author)
- Borge, M. J. G. (author)
- Carmona-Gallardo, M. (author)
- Cocolios, T. E. (author)
- Cruz, J. (author)
- Dendooven, P. (author)
- Fynbo, H. O. U. (author)
- Galaviz, D. (author)
- Gasques, L. R. (author)
- Giri, G. S. (author)
- Huyse, M. (author)
- Hyldegaard, S. (author)
- Jungmann, K. (author)
- Kruithof, W. L. (author)
- Perea, A. (author)
- Riisager, K. (author)
- Saastamoinen, A. (author)
- Santra, B. (author)
- Shidling, P. D. (author)
- Sohani, M. (author)
- Sørensen, A. J. (author)
- Tengblad, O. (author)
- Traykov, E. (author)
- van der Hoek, D. J. (author)
- Duppen, P. Van (author)
- Versolato, O. O. (author)
- Wilschut, H. W. (author)
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- (creator_code:org_t)
- 2012
- 2012
- English.
- In: Phys. Rev. Lett.. ; 108:16, s. Art. no. 162502-
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A measurement of the final state distribution of the 8B beta decay, obtained by implanting a 8B beam in a double-sided silicon strip detector, is reported here. The present spectrum is consistent with a recent independent precise measurement performed by our collaboration at the IGISOL facility, Jyvaskyla [O. S.Kirsebom et al., Phys. Rev. C 83, 065802 (2011)]. It shows discrepancies with previously measuredspectra, leading to differences in the derived neutrino spectrum. Thanks to a low detection threshold, theneutrino spectrum is for the first time directly extracted from the measured final state distribution, thusavoiding the uncertainties related to the extrapolation of R-matrix fits. Combined with the IGISOL data,this leads to an improvement of the overall errors and the extension of the neutrino spectrum at highenergy. The new unperturbed neutrino spectrum represents a benchmark for future measurements of thesolar neutrino flux as a function of energy.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Kärnfysik
- Nuclear Physics
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- ref (subject category)
- art (subject category)
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- Roger, T.
- Büscher, J.
- Bastin, B.
- Kirsebom, O. S.
- Raabe, R.
- Alcorta, M.
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- Äystö, J.
- Borge, M. J. G.
- Carmona-Gallardo ...
- Cocolios, T. E.
- Cruz, J.
- Dendooven, P.
- Lantz, Mattias, ...
- Fynbo, H. O. U.
- Galaviz, D.
- Gasques, L. R.
- Giri, G. S.
- Huyse, M.
- Hyldegaard, S.
- Jungmann, K.
- Kruithof, W. L.
- Lantz, Mattias, ...
- Perea, A.
- Riisager, K.
- Saastamoinen, A.
- Santra, B.
- Shidling, P. D.
- Sohani, M.
- Sørensen, A. J.
- Tengblad, O.
- Traykov, E.
- van der Hoek, D. ...
- Duppen, P. Van
- Versolato, O. O.
- Wilschut, H. W.
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