and standardization of dose

Jan 2, 2017 by in GENERAL RADIOLOGY Comments Off on and standardization of dose

Measurement and standardization of dose We have seen that when photons interact in matter, an energy pathway is initiated by which energy is transferred to the matter via emission of…

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Radiation detection and measurement

Jan 2, 2017 by in GENERAL RADIOLOGY Comments Off on Radiation detection and measurement

Introduction     Kerma      Absorbed dose      Units of kerma and dose  Measurement and standardization of dose     Dose standards      Traceability of measurement      Standard calorimeter      The free air chamber      Charged particle equilibrium  Practical ionization…

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structure

Jan 2, 2017 by in GENERAL RADIOLOGY Comments Off on structure

     1.3 The symbol, X, can be replaced by a unique identifier (chemical symbol) to remove the need for Z to be stated, e.g. 12C to represent carbon (A=12, Z=6). An…

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Radiation interactions with matter

Jan 2, 2017 by in GENERAL RADIOLOGY Comments Off on Radiation interactions with matter

Introduction     Charged and uncharged particles      Excitation and ionization  Electron interactions     Range and path-length      Collisional and radiative (bremsstrahlung) energy loss      Stopping power and linear energy transfer (LET)      X-ray production      Beam hardening …

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Radioactivity

Jan 2, 2017 by in GENERAL RADIOLOGY Comments Off on Radioactivity

Figure 1.6, is unstable and decays by rearranging its nucleon numbers. This is achieved by releasing particles, changing a proton to a neutron or vice versa, or by absorbing nearby…

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Atoms, nuclei and radioactivity

Jan 2, 2017 by in GENERAL RADIOLOGY Comments Off on Atoms, nuclei and radioactivity

Introduction Atomic structure     Electromagnetic force      Electromagnetic waves and wave-particle duality      Electron shells and binding energy      Characteristic radiation  Related posts: requirements imaging Radiotherapy beam production photon therapy trends Dentition

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