Precise and accurate determination of the 8B decay spectrum

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

  • Oliver Sølund Kirsebom, Danmark
  • Solveig Hyldegaard, Danmark
  • M. Alcorta, Spanien
  • M.J.G. Borge, Spanien
  • J. Büscher, Belgien
  • T. Eronen, Finland
  • S. Fox, Storbritannien
  • B.R. Fulton, Storbritannien
  • Hans Otto Uldall Fynbo
  • H. Hultgren, Sverige
  • A. Jokinen, Finland
  • B. Jonson, Sverige
  • A. Kankainen, Finland
  • P. Karvonen, Finland
  • T. Kessler, Finland
  • A. Laird, Storbritannien
  • M. Madurga, Spanien
  • I Moore, Finland
  • G. Nyman, Sverige
  • H. Penttilä, Finland
  • S. Rahaman, Finland
  • M. Reponen, Finland
  • Karsten Riisager
  • T. Roger, Belgien
  • J. Ronkainen, Finland
  • A. Saastamoinen, Finland
  • O. Tengblad, Spanien
  • J. Äystö, Finland
  • Institut for Fysik og Astronomi

Accurate measurements of the 8B neutrino spectrum are important for the interpretation of solar neutrino data.
Experimentally, the 8B neutrino spectrum can be obtained from the measurement of the β-delayed α spectrum.
We report on an α-α coincidence measurement performed at the IGISOL facility in Jyväskylä, Finland. Our measurement allows extensive cross-checks to be performed and gives a more intense neutrino spectrum at high energies compared to the present standard. The deviation reaches 4% at the end point of the spectrum. Below 11 MeV, the deviation is less than 1%.

OriginalsprogEngelsk
TidsskriftPhysical Review C (Nuclear Physics)
Vol/bind83
Sider (fra-til)065802
ISSN0556-2813
DOI
StatusUdgivet - 2011

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