E - Carleton University
E - Carleton University
E - Carleton University
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Neutrino Reactions in SNO<br />
CC<br />
ν e d → p + p +<br />
x+<br />
e −<br />
- Q = 1.445 MeV<br />
- good measurement of ν e<br />
energy spectrum<br />
- some directional info ∝ (1 – 1/3 cosθ)<br />
- ν e<br />
only<br />
Produces Cherenkov<br />
Light Cone in D 2 O<br />
NC<br />
ν + d → p + n +<br />
x<br />
ν x<br />
- Q = 2.22 MeV<br />
- measures total 8 B ν flux from the Sun<br />
- equal cross section for all ν types<br />
+ → e −<br />
ES ν e − ν +<br />
x<br />
- low statistics<br />
- mainly sensitive to ν e<br />
, some ν μ<br />
and ν τ<br />
- strong directional sensitivity<br />
n captures on deuteron<br />
2<br />
H or 35 Cl or 3 He<br />
Produces Cherenkov<br />
Light Cone in D 2 O<br />
FAAQ2006 Alain Bellerive 57
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