Physics and Engineering of Radiation Detection
136 Chapter 2. Interaction of Radiation with Matter Silicon Aluminum Analytic Function Figure 2.5.7: Variation of elec- tron ran ...
2.6. Interaction of Neutral Particles with Matter 137 Analytic Function Air Water Figure 2.5.8: Variation of elec- tron range in ...
138 Chapter 2. Interaction of Radiation with Matter A.1 ElasticScattering........................ Elastic scattering is the prin ...
2.6. Interaction of Neutral Particles with Matter 139 A.3 Transmutation It is a reaction in which an element changes into anothe ...
140 Chapter 2. Interaction of Radiation with Matter A.7 TotalCrossSection The total neutron interaction cross-section is the sum ...
2.6. Interaction of Neutral Particles with Matter 141 radiation shields around neutron sources, such as nuclear reactors. Deeper ...
142 Chapter 2. Interaction of Radiation with Matter Example: Compute the thickness of a gold foil needed to remove 90% of the ne ...
2.7. Problems 143 2.7 Problems 1.The x-ray flux measured at a distance of 1.2mfrom an x-ray machine is 3. 6 × 108 cm−^2 s−^1. Co ...
144 Chapter 2. Interaction of Radiation with Matter the angle of the scattered electron. 15.An incident photon having an initia ...
BIBLIOGRAPHY 145 Bibliography [1] Aridgides, A., Pinnock, R.N., Collins, D.F.,Observation of Rayleigh Scat- tering and Airglow, ...
146 Chapter 2. Interaction of Radiation with Matter [18] Gras-Marti, A. et al.,Interaction of Charged Particles with Solids and ...
BIBLIOGRAPHY 147 [38] McNulty, P.J.,Interactions of Very Energetic Charged Particles with Matter: Final Report (AFCRL-TR-73-0143 ...
148 Chapter 2. Interaction of Radiation with Matter [54] Tsai, Y.S., Rev. Mod. Physics, 46, 815, 1974. [55] Tsang, L. et al.,Sca ...
149 Chapter 3 Gas Filled Detectors Radiation passing through a gas can ionize the gas molecules, provided the energy delivered b ...
150 Chapter 3. Gas Filled Detectors certainly true but only to a certain extent. In fact it has been found that the W- value dep ...
3.1. Production of Electron-Ion Pairs 151 Table 3.1.1: Ionization potentialsIe, W-values, stopping powers (dE/dx), primary ioniz ...
152 Chapter 3. Gas Filled Detectors Solution: The total number of charge pairs, according to equation 3.1.4 is given by nt =(0.9 ...
3.2. Diffusion and Drift of Charges in Gases 153 dxat a distancexfrom the center of the initial charge distribution after timet. ...
154 Chapter 3. Gas Filled Detectors is actually the change in the electric field inside the active volume. Hence the drift of el ...
3.2. Diffusion and Drift of Charges in Gases 155 For a gas mixture, the effective mobility can be computed from the so called Bl ...
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