Table 2 Decay data of 77As and the radionuclides identified in the irradiated 72Ge samples together with the radionuclides formed in the monitor foils of natCu and natTi.

From: Excitation functions of 72Ge(p,xn)72,71As reactions from threshold up to 45 MeV for production of the non-standard positron emitter 72As

Radionuclide

Mode of decay[%]

Half-life

Eγ (keV)

Iγ [%]

Investigated reaction products

 72As

β + (87.8)

26.0 h (1)

629.92 (5)

8.07 (24)

EC (12.2)

 

834.99 (3)

81.0 (20)

 71As

β + (28.4)

65.3 h (1)

174.95 (5)

82.45 (22)

EC (71.6)

 

326.785 (15)

3.05 (9)

  

499.876 (10)

3.64 (10)

  

1095.49 (10)

4.11 (12)

  

139.46 (19)

0.804 (22)

 77As

β˗ (100)

38.8 (5)

239.01 (6)

1.59

  

249.81 (8)

0.39 (6)

Monitor reaction product

 62Zn

β + (8.2)

9.19 h (15)

548.35 (11)

15.3 (14)

EC (91.8)

 

596.56 (13)

26.0 (20)

 63Zn

β + (92.7)

38.47 min (5)

669.62 (5)

8.2 (3)

EC (7.3)

 

962.06 (4)

6.5 (4)

 65Zn

β + (1.4)

243.93 d (9)

1115.4 (2)

50.04 (10)

EC (98.6)

   

 58Co

β + (14.9)

70.86 d (6)

810.76 (20)

99.45 (1)

EC (85.1)

   

 48 V

β + (50.4)

15.97 d(3)

983.53 (4)

99.98 (4)

EC (49.6)

 

1312.11 (6)

98.2 (3)

 46Sc

β˗ (100)

83.79 d (4)

889.28 (3)

99.98 (1)

  

1120.55 (4)

99.99 (1)

  1. The data are taken from the NuDat 3.0 database of the National Nuclear Data Center, BNL, USA22.