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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 40 times
in current journal articles indexed by Thomson ISI during March-April 2003. No
other physics paper published in the last two years (aside from reviews)
collected a greater number of citations during that two-month period. In all,
three reports on solar neutrinos by the Sudbury Neutrino Observatory (SNO)
collaborators are currently perched among the top ten most-cited papers in
physics. Prior to the most recent bimonthly count, citations to the paper have
accrued as follows:
January-February 2003: 50 citations
November-December 2002: 30
September-October 2002: 8
July-August 2002: 2
Total citations to date: 130
SOURCE: Hot
Papers Database (Included with a subscription to the ISI print newsletter Science
Watch®, available from the ISI
Research Services Group. Packaged on a CD-ROM that is mailed with each Science
Watch issue, the Hot
Papers Database contains data on hundreds of highly cited papers published
during the last two years. User interface permits searching by author,
organization, journal, field, and more. Total citations, as well as citations
accrued during successive bimonthly periods, can be assessed and graphed. An
updated CD containing the most recent bimonthly data is mailed with every new
issue of Science
Watch,
six times a year. The CD also includes an electronic version of the Science
Watch
issue in HTML format, for personal desktop access.)
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