Precise and accurate determination of the B-8 decay spectrum
Artikel i vetenskaplig tidskrift, 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

Författare

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, Teknisk fysik, Subatomär fysik

A. Kankainen

P. Karvonen

T. Kessler

A. Laird

M. Madurga

I. Moore

Göran Hugo Nyman

Chalmers, Teknisk fysik, Subatomär fysik

H. Penttila

S. Rahaman

M. Reponen

K. Riisager

T. Roger

J. Ronkainen

A. Saastamoinen

O. Tengblad

J. Aysto

Physical Review C - Nuclear Physics

0556-2813 (ISSN) 1089-490X (eISSN)

Vol. 83 6

Ämneskategorier

Fysik

DOI

10.1103/PhysRevC.83.065802