0,0

0,1

0,2

0,3

0,4

0,5

60

560

1060

1560

2060

2560

energy [keV]

n

u

m

b

e

r

o

f

p

h

o

to

n

s

s

-1

c

m

-2

during the 15 MV beam emission
during the 6 MV beam emission

beam off

0,0

0,1

0,2

60

80

100

174.95

10

197.14

8

anihilation

peak

595.85

9

608.35

867.89

2224.57

11

9

9

1460.86

40

K

nat

19

2

3

4

1

Primus Siemens

-1

-2

i

z

a

to

ó

w

m

s

lc

b

f

o

n

c

energia [MeV]

8

g

+

+ n

197.14 keV (95.9%)

g

T

1/2

< 100ns

T

1/2

-

b

= 26.9s

19

F*

9

19

O

8

18

O (0.2%)

8

19

F

9

73

Ge (7.7%)

32

+ n

g

+

74

Ge

32

9

74

Ge (36%)

32

+ n

n +

74

Ge*

32

595.85 keV

g

~

T

1/2

< 12ps

74

Ge

32

608.35 keV

{

{

10

70

Ge (21%)

32

+ n

g

+

71

Ge

32

174.95 keV

867.89 keV

(stable)

(stable)

T

1/2

+

EC+

b

= 11.43d

71

Ga

31

(stable)

11

1

H (100%)

1

+ n

g

+

2

H

1

2224.57 keV

(stable)