Gamma-Ray Constants

Question 1

The gamma ray constant allows calculations of exposure rate for:

Answer 1

A point source of gamma emitting radionuclide with a given activity at a specified distance

Question 2

Pd 109 Gamma constant

Answer 2

Palladium 109
.003 (Rm^2)/(hrCi)

Question 3

Xe 133 Gamma constant

Answer 3

Xenon 133
.01 (Rm^2)/(hrCi)

Question 4

I 135 Gamma constant

Answer 4

Iodine 125
.07 (Rm^2)/(hrCi)

Question 5

Mo 99 Gamma constant

Answer 5

Molybdenum 99
.18 (Rm^2)/(hrCi)

Question 6

I 131 Gamma constant

Answer 6

Iodine 131
.22 (Rm^2)/(hrCi)

Question 7

Zn 65 Gamma constant

Answer 7

Zinc 65
.27 (Rm^2)/(hrCi)

Question 8

Ni 63 Gamma constant

Answer 8

Nickle 63
.31 (Rm^2)/(hrCi)

Question 9

Cs 137 Gamma constant

Answer 9

Cesium 137
.33 (Rm^2)/(hrCi)

Question 10

Zr 95 Gamma constant

Answer 10

Zirconium 95
.41 (Rm^2)/(hrCi)

Question 11

Mn 54 Gamma constant

Answer 11

Maganese 54
.47 (Rm^2)/(hrCi)

Question 12

Ir 192 Gamma constant

Answer 12

Iridium 192
.48 (Rm^2)/(hrCi)

Question 13

Fe 59 Gamma constant

Answer 13

Iron 59
.64 (Rm^2)/(hrCi)

Question 14

Ra 226 Gamma constant

Answer 14

Radium 226
.83 (Rm^2)/(hrCi)

Question 15

Co 60 Gamma constant

Answer 15

Cobalt 60
1.32 (Rm^2)/(hrCi)

Question 16

Na 24 Gamma constant

Answer 16

Sodium 24
1.84 (Rm^2)/(hrCi)