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3 flavours. Status 2008. The expected neutrino flux is measured, but 60-70% of neutrinos have wrong flavour!!!. Neutrinos are guilty!!!. Survival probability today. Survival probability. Vacuum. V. Matter effects. Borexino at Gran Sasso. 300 t Liquid Scintillator. Real time

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3 flavours
3 flavours

Kai Zuber, TUD

status 2008
Status 2008

The expected neutrino flux is measured, but 60-70% of neutrinos have wrong flavour!!!

Neutrinos are guilty!!!

survival probability today
Survival probability today

Survival probability

Vacuum

V

Mattereffects

slide4

Borexino at Gran Sasso

300 t Liquid Scintillator

Real time

detection of

7Be neutrinos

no history without future
No history without future

Still no real time measurement of pp-neutrinos

KAMLAND

SuperK

SNO LETA (just published)

LENSCLEANMOONCOBRAXMASS

SNO+

+ more...

secrets of the sun
Secrets of the Sun

Status 2004

Helioseismology in fantastic agreementwith Solar Models

Asplund et al.2005

Change of elementalabundances

Fundamental test of stellar astrophysics: Are elements homogenously distributed in stars?

Needs measurement of solar CNO neutrinos!

slide8
SNO+

Measurement of pep, 8B, CNO (and if lucky pp) neutrinos in real time

xenon
Xenon

Limitation of scintillator approach for pp-neutrinos: 14C content

Why not liquid noble gas detector (Xenon 1ton -10ton)

Usage of Xe depleted in 136Xe desirable(also for dark matter searches)

Ultimate goal: Measure full solar neutrino spectrum in real time

detection inverse beta decay
Detection- Inverse beta decay

Time coincidence positron annihilation and neutron capture

Kai Zuber, TUD

results til 2000
Results til 2000

Kai Zuber, TUD

kamland
KamLAND

_

e + p  e+ + n

Kai Zuber, TUD

CPT-

test

kamland1
KamLAND

Kai Zuber, TUD

kamland results
KamLAND - Results

Kai Zuber, TUD

kamland2
KamLAND

Kai Zuber, TUD

kamland results1
KamLAND- Results

Kai Zuber, TUD

double chooz1
Double Chooz

LowNu 2011

Third „evidence“ for a non-zero θ13

oscillation evidences
Oscillation - evidences

depending on

Solar and reactor

Atmospheric neutrinos

sin2 2 = 0.81 , m2 = 8.2  10-5 eV2

sin2 2 = 1.00 , m2 = 2.5  10-3 eV2

Incredible progress in last 10-15 years !!!!