Precise and accurate determination of the B-8 decay spectrum
Journal article, 2011
Accurate measurements of the B-8 neutrino spectrum are important for the interpretation of solar neutrino data. Experimentally, the B-8 neutrino spectrum can be obtained from the measurement of the beta-delayed alpha spectrum. We report on an alpha-alpha coincidence measurement performed at the IGISOL facility in Jyvaskyla, 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%.
neutrino
ions
alpha-spectra
light-nuclei
spectra
detectors
li-8
beta-decay
stopping power
energy-levels
proton emission
Author
O. S. Kirsebom
S. Hyldegaard
M. Alcorta
M. J. G. Borge
J. Buscher
T. Eronen
S. Fox
B. R. Fulton
H. O. U. Fynbo
H. Hultgren
A. Jokinen
Björn Jonson
Chalmers, Applied Physics, Subatomic Physics
A. Kankainen
P. Karvonen
T. Kessler
A. Laird
M. Madurga
I. Moore
Göran Hugo Nyman
Chalmers, Applied Physics, Subatomic Physics
H. Penttila
S. Rahaman
M. Reponen
K. Riisager
T. Roger
J. Ronkainen
A. Saastamoinen
O. Tengblad
J. Aysto
Physical Review C - Nuclear Physics
24699985 (ISSN) 24699993 (eISSN)
Vol. 83 6Subject Categories
Physical Sciences
DOI
10.1103/PhysRevC.83.065802