Physics and Engineering of Radiation Detection
116 Chapter 2. Interaction of Radiation with Matter The mass attenuation coefficients for nitrogen and oxygen are given by [ − 1 ...
2.4. Interaction of Heavy Charged Particles with Matter 117 Residual Energy (MeV) St opp ing P ower (re la ti ve ) 102 103 104 1 ...
118 Chapter 2. Interaction of Radiation with Matter With Energy Straggling (Single Particle) Without Energy Straggling (Particle ...
2.4. Interaction of Heavy Charged Particles with Matter 119 apparent that theoretical computation of range is a difficult task. ...
120 Chapter 2. Interaction of Radiation with Matter Energy(MeV) 01234567 Range (mm) 0 10 20 30 40 50 60 Figure 2.4.7: Range ofα- ...
2.4. Interaction of Heavy Charged Particles with Matter 121 E.2 RangeofProtons........................ There have been several t ...
122 Chapter 2. Interaction of Radiation with Matter 2.5 InteractionofElectronswithMatter The way an electron beam would behave w ...
2.5. Interaction of Electrons with Matter 123 Primary Ionization Secondary Ionization Incident Electron Tertiary Ionization Figu ...
124 Chapter 2. Interaction of Radiation with Matter In terms of quantum electrodynamics, as with Moeller scattering, Bhabha scat ...
2.5. Interaction of Electrons with Matter 125 Solution The cut-off wavelength is given by λmin = hc eV = (6. 634 × 10 −^34 )(2. ...
126 Chapter 2. Interaction of Radiation with Matter An important factor is the direction of emission of Cherenkov light. As the ...
2.5. Interaction of Electrons with Matter 127 For an electron withz= 1, the above equation becomes dN dx = 490 sin^2 Θcm−^1. (2. ...
128 Chapter 2. Interaction of Radiation with Matter The collisional component not only includes the inelastic impact ionization ...
2.5. Interaction of Electrons with Matter 129 2 5 10 20 50 100 200 Copper X 0 = 12.86 g cm−^2 Ec = 19.63 MeV dE /dx × X (MeV) 0 ...
130 Chapter 2. Interaction of Radiation with Matter Example: Compute the critical energy for electrons in aluminum. Solution: To ...
2.5. Interaction of Electrons with Matter 131 0 5 10 15 20 25 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 Figure 2.5.4: Typica ...
132 Chapter 2. Interaction of Radiation with Matter matter of fact, in real practice, the use of Landau distribution is somewhat ...
2.5. Interaction of Electrons with Matter 133 spectrum, it depends on their endpoint energy. Following the analogy of attenuatio ...
134 Chapter 2. Interaction of Radiation with Matter Thickness (arb. units) 0 2 4 6 8 10 12 14 16 N 0 200 400 600 800 1000 Thickn ...
2.5. Interaction of Electrons with Matter 135 Re Thickness L og (C ounts ) Log(Background Counts) Figure 2.5.6: Typical absorp- ...
«
3
4
5
6
7
8
9
10
11
12
»
Free download pdf