Radiation Detection |
From inside the book
Results 1-3 of 32
Page 9
... wavelength and frequency . For the long , radio waves , wavelengths are measured in metres but for the much shorter light waves the ångstrom ( Å ) may be used , where 1 Å = 10-10 m ( 1.5 ) The frequency , v , is measured in cycles per ...
... wavelength and frequency . For the long , radio waves , wavelengths are measured in metres but for the much shorter light waves the ångstrom ( Å ) may be used , where 1 Å = 10-10 m ( 1.5 ) The frequency , v , is measured in cycles per ...
Page 10
... Wavelength , λ ( A ) 4000 5000 6000 7000 VIOLET GREEN BLUE YELLOW RED Photon energy , hv ( eV ) 3 2.5 2 1.5 VISIBLE LIGHT Figure 1.2 Spectrum of electromagnetic radiation In a refracting medium , of course , the wave is slowed down to a ...
... Wavelength , λ ( A ) 4000 5000 6000 7000 VIOLET GREEN BLUE YELLOW RED Photon energy , hv ( eV ) 3 2.5 2 1.5 VISIBLE LIGHT Figure 1.2 Spectrum of electromagnetic radiation In a refracting medium , of course , the wave is slowed down to a ...
Page 15
... wavelength , λ . Particles , on the other hand , do have well - defined positions in space and they have discrete quantities of mass , m , energy , E , and momentum , p . Unlike waves , they cannot add together to produce a zero effect ...
... wavelength , λ . Particles , on the other hand , do have well - defined positions in space and they have discrete quantities of mass , m , energy , E , and momentum , p . Unlike waves , they cannot add together to produce a zero effect ...
Contents
Basic Concepts | 5 |
The Structure of Matter | 22 |
Ionising Radiations | 37 |
Copyright | |
12 other sections not shown
Common terms and phrases
absorbed absorption alpha particle anode atoms attenuation coefficient beam beta particles Čerenkov Čerenkov radiation charged particles circuit cm² coincidence collisions conduction band count rate cross-section crystal de-excitation dE/dx decay density detection efficiency detection system dose effect electrons emission emulsion energy deposited energy resolution entry window equation example excited exposure film function gamma ray gas counters geometry germanium graph high-energy illustrated in Figure incident radiation input intrinsic ion chamber ion pairs ionising radiations liquid mass material measured neutrons nuclear nucleonic nucleus nuclide optical parameter particle or photon photomultiplier photon photon energy positive preamplifier produce properties proportional counter pulse height spectrum quantum number radiation detector radioactive radiography range reaction relatively scattering scintillation counter semiconductor sensitive volume shown in Figure signal pulse silicon silver bromide spark chamber spatial resolution spectra spectrometry thermal thermal neutrons typical unit usually valence band velocity wave wavelength X-rays