SOLAR AND ATMOSPHERIC NEUTRINOS

Author(s):  
TAKAAKI KAJITA

The various experiments on lepton number conservation and on nucleon stability currently being done or prepared are reviewed, and their relative merits compared and discussed. The first part of the paper is devoted to the measurement of the neutrino mass and to the present limits on the conservation of the total lepton number and of the various lepton flavours. The existing results and future projects on the strictly connected problems of neutrino oscillations at nuclear reactors, pion factories and high energy accelerators will be also discussed, together with oscillations of solar and atmospheric neutrinos. The second part of the paper concerns the few results and the m any planned detectors on nucleon decay with particular emphasis on the problems of background radioactivity and of the variety of experimental approaches. Oscillation experiments on neutron—antineutron oscillations at nuclear reactors are also considered.


2010 ◽  
Vol 34 (2) ◽  
pp. 90-96 ◽  
Author(s):  
A. Gütlein ◽  
C. Ciemniak ◽  
F. von Feilitzsch ◽  
N. Haag ◽  
M. Hofmann ◽  
...  

2003 ◽  
Vol 214 ◽  
pp. 347-356
Author(s):  
Yoji Totsuka

Recent results on neutrino masses and mixing are presented. There is convincing evidence for nonzero but tiny masses of at least two flavor neutrinos, based on two types of neutrino oscillations, solar and atmospheric neutrinos. The large mixing angle between first and second flavors and also the one between the second and third flavors were found, quite contrary to small mixing angles among quark flavors, and pose a new mystery.


1998 ◽  
Vol 1998 (12) ◽  
pp. 017-017 ◽  
Author(s):  
Riccardo Barbieri ◽  
Lawrence J Hall ◽  
David Smith ◽  
Neil J Weiner ◽  
Alessandro Strumia

2008 ◽  
Vol 136 (2) ◽  
pp. 022013 ◽  
Author(s):  
J L Raaf ◽  
the Super-Kamiokande Collaboration

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