Description |
Location |
Purpose |
Year |
Observation |
Status |
Explanation |
17 keV neutrino |
Guelph, Oxford, Los Alamos |
neutrino mass/beta decay |
85-91 |
kink in electron spectrum |
solved |
Multiple scattering effects |
Bugey |
France |
neutrino oscillation search |
81-84 |
signals
of oscillation |
clarified |
instrumental
effect |
KARMEN |
Rutherford, England |
neutrino oscillation search |
1993-2000 |
kink in time distribution
112 ± 32 excessive events at 3.6 ± 0.25 µ s |
disappeared |
statistical fluctuation? |
LSND |
Los Alamos |
neutrino scattering from nuclei |
93- |
cross section of muon neutrino from carbon too low by several
sigmas |
unsolved? |
something wrong with nuclear
models? |
Double vertices |
Fermilab |
high energy scattering |
92 |
two close neutrino-like events |
disappeared |
misinterpretation |
|
|
double beta decay |
75 |
hint for 40 eV Majorana mass |
disappeared |
|
Zaragoza |
|
double beta decay |
90-? |
kink in final state spectrum |
disappeared |
statistical fluke |
Troitsk |
Russia |
neutrino mass |
94-97 |
a kink in electron spectrum |
cleared |
miscalculations |
NuTeV
|
Fermilab USA |
neutrino scattering from nucleus
|
96-97 |
Weinberg angle result off by three sigmas from the standard
model |
unsolved? |
? |