From Nuclei to Neutrinos The Naming of the Denys Wilkinson Building 21 June 2002 Nick Jelley
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From Nuclei to Neutrinos The Naming of the Denys Wilkinson Building 21 June 2002 Nick Jelley
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From Nuclei to Neutrinos The Naming of the Denys Wilkinson Building 21 June 2002 Nick Jelley. The Optical Model. d s/ d W. 29 MeV 3 He on 14 N 1962. Particle Identification. p. d. 3 H. 3 He. D E. E. 4 He. 10 100 MeV. p. d. 4 He. 3 H. - PowerPoint PPT Presentation
Transcript of From Nuclei to Neutrinos The Naming of the Denys Wilkinson Building 21 June 2002 Nick Jelley
Selectivity in Heavy-Ion Reactions
Excitation Probability
High Spin
Low Spin
114 MeV 12C and 11B beams on carbon
Magnetic Moments of Excited States 198419F + 1H 16O* +
6.13 MeV 3
g0.556(4)
0o
90o
6.13 MeVstopped flight
19F
foil stopper
0o
90o
16O
decay of 8Li and 8B: The Second-Class Current Problem
19718B 8Be* + e+ + 8Li 8Be* + e +
second-class current gIT = 2.103
|gIT | < 7.104
Reactions in SNO
-Good measurement of e energy spectrum-Weak directional sensitivity 1-1/3cos()
-Measure total 8B flux from the sun.
NCxx
npd
ES -- eνeν x x
-Low Statistics-Strong directional sensitivity
CC-eppd e
e only
Equal cross sectionfor all types
All types butenhanced sensitivity to e