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Physics > Radioactive Sources > Flashcards

Radioactive Sources Flashcards

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1
Q

Ra-226

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Ra-226

Half life: 1600 years
Average energy: 830 KeV
Gamma constant: 8.25
How produced: naturally occurring
How decays: alpha (uranium decay series)

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2
Q

Cs-137

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Cs-137

Half life: 30 years
Average energy: 662 KeV
Gamma constant: 3.26
How produced: fission
How decays: beta-minus

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3
Q

Co-60

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Co-60

Half life: 5.3 years
Average energy: 1.25 MeV
Gamma constant: 13
How produced: neutron bombardment
How decays: beta-minus

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4
Q

Ir-192

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Ir-192

Half life: 74 days
Average energy: 380 KeV
Gamma constant: 4.7
How produced: neutron bombardment
How decays: beta-minus

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5
Q

I-125

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

I-125

Half life: 60 days
Average energy: 28 KeV
Gamma constant: 1.45
How produced: neutron bombardment
How decays: electron capture (characteristic x-ray is the energy)

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6
Q

Pd-103

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Pd-103

Half life: 17 days
Average energy: 21 KeV
Gamma constant: 1.5
How produced: neutron/proton bombardment
How decays: electron capture (characteristic x-ray is the energy)

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7
Q

Cs-131

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Cs-131

Half life: 9.7 days
Average energy: 30 KeV
Gamma constant: 0.64
How produced: neutron bombardment
How decays: electron capture (characteristic x-ray is the energy)

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8
Q

Y-90

Half life:
Average energy:
Gamma constant:
How produced:
How decays:

A

Y-90

Half life: 64 hours
Average energy: 940 KeV beta only
Gamma constant: N/A
How produced: beta decay from Sr-90
How decays: beta-minus

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9
Q

I-131

Half life:
Average energy:
How produced:
How decays:

A

I-131

Half life: 8 days
Average energy: 607 KeV beta, 364 KeV gamma
How produced: fission
How decays: beta-minus

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10
Q

P-32

Half life:
Average energy:
How produced:
How decays:

A

P-32

Half life: 14 days
Average energy: 695 KeV beta
How produced: neutron bombardment
How decays: beta-minus

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11
Q

Sr-89

Half life:
Average energy:
How produced:
How decays:

A

Sr-89

Half life: 60 days
Average energy: 1.46 MeV beta
How produced: fission
How decays: beta-minus

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12
Q

Sm-153

Half life:
Average energy:
How produced:
How decays:

A

Sm-153

Half life: 47 hours
Average energy: 810 KeV
How produced: neutron bombardment
How decays: beta-minus

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13
Q

Ra-223

Half life:
Average energy:
How produced:
How decays:

A

Ra-223

Half life: 11.4 days
Average energy: 5.7 MeV alpha
How produced: fission (Ra-226 decay)
How decays: alpha decay chain

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Physics (3 decks)

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