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"Direct evidence for neutrino flavor
transformation from neutral-current interactions in the Sudbury
Neutrino Observatory," by Q.R.
Ahmad, et al. (SNO Collaboration), Physical Review Letters, 89(1):
1301,
1 July 2002.
[Authors' affiliations: 17 U.S., U.K., and
Canadian institutions]
Abstract: "Observations of
neutral-current nu interactions on deuterium in the Sudbury Neutrino
Observatory are
reported. Using the neutral current (NC), elastic scattering, and charged
current reactions and assuming the standard B-8 shape, the nu(e) component of
the B-8 solar flux is phi(e)=1.76(-0.05)(+0.05)(
stat)(+0.09)(-0.09)(syst)x10(6)cm(-2) s(-1) for a kinetic energy threshold of
5 MeV. The non-nu(e) component is phi(mutau)=3.41(+0.45)(-0.45)(stat)(+0.48)
(-0.45)(syst)x10(6) cm(-2) s(-1), 5.3sigma greater than zero, providing strong
evidence for solar nu(e) flavor transformation. The total flux measured with
the NC reaction is phi(NC)=5.09(-0.43)(+0.44) (stat)(+0.46)(-0.43)
(syst)x10(6) cm (-2) s (-1), consistent with solar models."
This 2002 report from Physical Review
Letters was cited 46 times in current journal articles
indexed by Thomson ISI during September-October 2003. With its latest
bimonthly tally, this is currently the second-most-cited physics paper
published in the last two years, aside from reviews, and it continues the
impressive run of publications from the Sudbury Neutrino Observatory that have
ranked among the hottest papers in physics. Prior to the most recent bimonthly
count, citations to the paper have accrued as follows:
July-August 2003: 36 citations
May-June 2003: 50
March-April 2003: 40
January-February 2003: 50
November-December 2002: 30
September-October 2002: 8
July-August 2002: 2
Total citations to date: 262
Related information:
View
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10 scientists in Physics; for the period of January 1, 1993 - October 31, 2003
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