Measurement of the Rate of {nu}{sub e} + d {yields} p + p + e{sup -} Interactions Produced by B
Journal Article
·
· Physical Review Letters
- and others
Solar neutrinos from {sup 8}B decay have been detected at the Sudbury Neutrino Observatory via the charged current (CC) reaction on deuterium and the elastic scattering (ES) of electrons. The flux of {nu}{sub e}'s is measured by the CC reaction rate to be {phi}{sup CC}({nu}{sub e}) =1.75{+-}0.07(stat){sup +0.12}{sub -0.11}(syst){+-}0.05(theor ) x 10{sup 6} cm{sup -2}s{sup -1}. Comparison of {phi}{sup CC}({nu}{sub e}) to the Super-Kamiokande Collaboration's precision value of the flux inferred from the ES reaction yields a 3.3{sigma} difference, assuming the systematic uncertainties are normally distributed, providing evidence of an active non-{nu}{sub e} component in the solar flux. The total flux of active {sup 8}B neutrinos is determined to be 5.44{+-}0.99 x 10{sup 6} cm {sup -2} s{sup -1}.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40230934
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 7 Vol. 87; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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