Neutrinos in Astrophysics and Cosmology - INFN Sezione di Ferrara
Neutrinos in Astrophysics and Cosmology - INFN Sezione di Ferrara
Neutrinos in Astrophysics and Cosmology - INFN Sezione di Ferrara
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Three-Flavor Three Flavor Neutr<strong>in</strong>o Parameters<br />
Atmospheric/K2K/M<strong>in</strong>os<br />
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o<br />
<<br />
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Georg Raffelt, Max-Planck-Institut für Physik, München, Germany IDAPP 2d Meet<strong>in</strong>g, 12-13 May 2006, <strong>Ferrara</strong>, Italy<br />
13<br />
13<br />
= cos<br />
θ<br />
etc<br />
.,<br />
δ CP-violat<strong>in</strong>g CP violat<strong>in</strong>g phase<br />
C 12<br />
12<br />
Normal<br />
µ τ<br />
Atmosphere<br />
e µ τ<br />
Sun<br />
e µ τ<br />
2<br />
1<br />
3<br />
Inverted<br />
e µ τ<br />
Sun<br />
e µ τ<br />
Atmosphere<br />
µ τ<br />
CHOOZ Solar/KamLAND 2σ ranges<br />
θ<br />
o<br />
θ 11<br />
o<br />
hep<br />
13 <<br />
11 30<br />
o<br />
36<br />
o<br />
12 < θ < 30<br />
o<br />
36<br />
o<br />
12 < θ <<br />
12<br />
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S<br />
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hep-ph/0405172<br />
ph/0405172<br />
Solar<br />
75−92 75 92<br />
Atmospheric<br />
1400−3000 1400 3000<br />
∆<br />
m<br />
2<br />
m<br />
2<br />
meV<br />
2<br />
meV<br />
2<br />
Tasks <strong>and</strong> Open Questions<br />
• Precision for θ12 12 <strong>and</strong> θ23 23<br />
• How large is θ13 13 ?<br />
• CP-violat<strong>in</strong>g CP violat<strong>in</strong>g phase δ?<br />
• Mass order<strong>in</strong>g ?<br />
(normal vs <strong>in</strong>verted)<br />
• Absolute masses? masses<br />
(hierarchical vs degenerate)<br />
• Dirac or Majorana?<br />
Majorana
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