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Ionizing radiation, ask?? - Coggle Diagram
Ionizing radiation
Types
Radioactive radiation
Particle
β radiation
α radiation
Photon
γ radiation
from atomic nucleus
X-ray
from atomic shell
Alpha radiation(α)
alpha particles
two protons and two neutrons
directly ionize
Beta radiation(β)
Beta-plus(β + )
Consists of
positrons
proton→neutron+positron(neutrino)
Beta-minus (β - )
Consists of
electrons
neutron→proton+electron(antineutrino)
directly ionize
Gamma radiation
an excited state→ the ground state+photons
indirect ionizing
atomic nucleus
emitted
X-rays
atomic shell
emitted
Properties
Radiation activity
nuclei that decay
in a given time
1 Bq = 1 / s
λ = decay constant
Half-life
Interaction
Attenuation
radiation intensity
W / sr
radiation energy
Half-value thickness
Radiation dose
ask??
effect
Compton
direct vs indirect ionizing??
direct -charged particle
indirect-uncharged particles
soft radiation
(<100 keV )
hard radiation
≥ 100 keV
Nuclear fragments vs elementary particles ??
Radioactive radiation vs Ionizing radiation??
https://media-de.amboss.com/media/thumbs/big_592be69641dc0.jpg
Medical application
1 eV = 1 V × elementary charge
