View
44
Download
2
Category
Preview:
DESCRIPTION
Flavor Mixing of Quarks and Neutrinos. H. Fritzsch LMU Munich. W. Pauli: 1930 Neutrino mass ~ m(e). 1956: maximal parity violation neutrinos massless. 1998: Y. Totsuka … (Kamioka) neutrino oscillations. neutrinos massive. -. texture zero - PowerPoint PPT Presentation
Citation preview
Flavor Mixing of Flavor Mixing of Quarks and Quarks and
NeutrinosNeutrinosH. Fritzsch H. Fritzsch LMU MunichLMU Munich
W. Pauli: 1930 Neutrino mass ~ m(e)
1956:1956:maximal parity maximal parity
violationviolation
neutrinos neutrinos masslessmassless
1998:
Y. Totsuka …(Kamioka)
neutrino oscillations
III
II
I
cccc sd
c
sd
u
cossinsincos
013c
ba
a0
ba
a0
c
u
m
m
ba
a
0
00
c
uu m
m
c
ui
s
dc m
me
m
m
07.0c
u
m
m22.0s
d
m
m
oo 169
c
u
m
m090
sd mm /
013:angleCabibbo
c
ui
s
dc m
me
m
m
o13
III
II
I
100
0
0
0
010
0
0
0
001
1212
1212
1313
1313
2323
2323 cs
sc
ces
esc
cs
scVi
i
132312 ,,: angles
New parametrization:New parametrization:
100
0
0
0
0
00
100
0
0
dd
ddi
uu
uu
cs
sc
cs
sc
e
cs
sc
V
0 0
0
A
A C B
B D
0 0
0
A
A C B
B D
tan /d d sm m
tan /u u cm m
u d
0 0
0
A
A C B
B D
tan /d d sm m
od 4.00.13
tan /u u cm m
oou 7.00.5
oo
oou
Exp 1.14.5:
7.00.5
oo
od
Exp 6.27.11:
4.00.13
tbtstu
cbcscu
ubusud
VVV
VVV
VVV
V
c
u
m
m
090sd mm /
025.0681.02sin:
663.02sin
sincos
cossintan
Exp
du
du
090
321
321
321
VVV
VVV
VVV
Veee
100
00
00
i
i
e
e
P
at sun
)(unknown
anglereactorl
100
00
00
i
i
e
e
P
100
00
00
i
i
e
e
P
at sun
)(unknown
anglereactorl
at sun
)(unknown
anglereactorl
100
0cossin
0sincos
cossin0
sincos0
00
100
0cossin
0sincos
i
ll
ll e
U
osun
o 3.367.31
oat
o 5238
23232 104.2 eVm
25221 106.7 eVm
0 0
0
A
A C B
B D
0 0
0
A
A C B
B D
100
0cossin
0sincos
cossin0
sincos0
00
100
0cossin
0sincos
i
ll
ll e
U
12
2122tan
mm
mm
0695.02
2tan
e
e
l mm
mm
Observation:Observation:
oo 45__33
12.004.021 42.0/
mm
25221 108 eVm
23322 104.2 eVm
:
42.0/ 21 mm
m(1) = ( 0.004 +/- 0.0012 ) m(1) = ( 0.004 +/- 0.0012 ) eVeV
m(2) = ( 0.011 +/- 0.002 ) m(2) = ( 0.011 +/- 0.002 ) eVeV
m(3) = ( 0.051 +/- 0.007 )eV m(3) = ( 0.051 +/- 0.007 )eV
12
3
e
321
321
321
VVV
VVV
VVV
Veee
0695.0tan
m
mel
oat
o 5238
atleV sinsin3
006.0049.0sin 133 eV
0022.00096.02sin 132
0022.00096.02sin 132
Neutrinoless Double Beta Neutrinoless Double Beta DecayDecay
332211. mVmVmVm eeeeff
.........................................
012.00025.00064.00035.0
321
.
effm
0 0
0
A
A C B
B D
0 0
0
A
A C B
B D
neutrino masses:neutrino masses:
m(1)/m(2)=0.42, m(2)/m(3)=0.19m(1)/m(2)=0.42, m(2)/m(3)=0.19
m(1): 0.0041 eV m(1): 0.0041 eV m(2): 0.0097 eVm(2): 0.0097 eVm(3): 0.051 eVm(3): 0.051 eV
neutrinoless double neutrinoless double beta decay: beta decay:
improvement by factor improvement by factor 20 necessary20 necessary
05.03 eV
Recommended