3 flavours
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/1.jpg)
Kai Zuber, TUD
3 flavours
![Page 2: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/2.jpg)
Status 2008
Neutrinos are guilty!!!
The expected neutrino flux is measured, but 60-70% of neutrinos have wrong flavour!!!
![Page 3: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/3.jpg)
Survival probability today
Survival probability
Mattereffects
VVacuum
![Page 4: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/4.jpg)
Borexino at Gran Sasso
300 t Liquid Scintillator−− +→+ ee xx νν
Real timedetection of7Be neutrinos
![Page 5: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/5.jpg)
Borexino - First results
![Page 6: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/6.jpg)
No history without future
SuperKSNO LETA (just published)
SNO+
KAMLAND
LENSCLEANMOONCOBRAXMASS
+ more...
Still no real time measurement of pp-neutrinos
![Page 7: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/7.jpg)
Secrets of the Sun
Needs measurement of solar CNO neutrinos!
Fundamental test of stellar astrophysics: Are elements homogenously distributed in stars?
Status 2004
Helioseismology in fantastic agreementwith Solar Models
Change of elementalabundances
Asplund et al.2005
![Page 8: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/8.jpg)
Measurement of pep, 8B, CNO (and if lucky pp) neutrinos in real timeSNO+
![Page 9: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/9.jpg)
Xenon
Ultimate goal: Measure full solar neutrino spectrum in real time
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)
![Page 10: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/10.jpg)
Kai Zuber, TUD
Detection- Inverse beta decay
Time coincidence positron annihilation and neutron capture
![Page 11: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/11.jpg)
Kai Zuber, TUD
Results til 2000
![Page 12: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/12.jpg)
Kai Zuber, TUD
KamLAND e + p e+ + n_
![Page 13: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/13.jpg)
Kai Zuber, TUD
Reactor antineutrino spectrum
![Page 14: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/14.jpg)
Kai Zuber, TUD
KamLAND
![Page 15: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/15.jpg)
Kai Zuber, TUD
KamLAND - Results
![Page 16: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/16.jpg)
Kai Zuber, TUD
KamLAND
![Page 17: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/17.jpg)
Kai Zuber, TUD
KamLAND- Results
![Page 18: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/18.jpg)
Oscillation status
![Page 19: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/19.jpg)
Global 3 flavour fit
![Page 20: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/20.jpg)
Kai Zuber, TUD
Next: Measurement of 13 angle
![Page 21: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/21.jpg)
![Page 22: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/22.jpg)
Reactor experiments
![Page 23: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/23.jpg)
Double Chooz
![Page 24: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/24.jpg)
Double Chooz- Layout
![Page 25: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/25.jpg)
Double Chooz - Interior
![Page 26: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/26.jpg)
K. Zuber
Double Chooz
LowNu 2011
Third „evidence“ for a non-zero θ13
![Page 27: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/27.jpg)
Double Chooz - Sensitivity
![Page 28: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/28.jpg)
Sensitivity - General
![Page 29: 3 flavours](https://reader036.vdocuments.site/reader036/viewer/2022062304/56812b73550346895d8f9443/html5/thumbnails/29.jpg)
Oscillation - evidences
Atmospheric neutrinosSolar and reactor
sin2 2 = 1.00 , m2 = 2.5 10-3 eV2
sin2 2 = 0.81 , m2 = 8.2 10-5 eV2
Incredible progress in last 10-15 years !!!!
€
m2 = mi2 −m j
2depending on