2

3

4

1

0

0,2

0,4

0,6

0,8

1

1,2

60

560

1060

1560

2060

2560

energia [keV]

n

u

m

b

e

r

o

f

p

h

o

to

n

s

s

-1

c

m

-2

846.77

1810.77

2113.12

1778.96

1377.63

anihilation

peak

479.53

618.36

685.77

2

1

1

4

2

1

2

3

332.98

355.68

7

426.09

7

7

energia [MeV]

Primus Siemens

4

58

Ni (68.1%)

28

+ g

T

1/2

+

EC+

b

= 35.6h

~

T

1/2

< 200ps

g

1377.63 keV

57

Co*

27

57

Co

27

57

Ni

28

+

EC+

b

T

1/2

= 271.79d

57

Fe*

26

57

Fe

26

(stable)

g

122.06 keV (85.6%)

T

1/2

100ns

<

~

n +

197

Au (100%)

79

T

1/2

-

b

= 6.183d

~

T

1/2

< 15ps

g

426.09 keV (100%)

(stable)

196

Au

79

196

Hg*

80

7

+

g

e

g

’,n

+

e’,n

196

Hg

80

T

1/2

+

EC+

b

= 6.183d

~

T

1/2

< 40ps

g

355.68 keV (87%)

(stable)

196

Pt*

78

196

Pt

78

332.98 keV (23%)

7%

93%

{

-1

-2

lic

z

b

a

o

to

ó

w

m

s

f

n

c