Physics and Engineering of Radiation Detection

616 Chapter 11. Dosimetry and Radiation Protection to collisional and radiative losses respectively. The total Kerma would then ...

11.2. Quantities Related to Dosimetry 617 This collision Kerma can also be used to determine the total air Kerma. To do this we ...

618 Chapter 11. Dosimetry and Radiation Protection η< 1 η=1 η> 1 Ab sor be d^ D ose Depth Figure 11.2.1: Plot of absorbed ...

11.2. Quantities Related to Dosimetry 619 11.2.FMeasuringKermaandExposure We saw earlier that air Kerma is directly related to t ...

620 Chapter 11. Dosimetry and Radiation Protection that theδ-electrons (that is, secondary electrons) are not considered at all. ...

11.2. Quantities Related to Dosimetry 621 condition, which is not always possible to satisfy. However the good news is that even ...

622 Chapter 11. Dosimetry and Radiation Protection where the subscriptunresstands for unrestricted and implies that theδ-electro ...

11.2. Quantities Related to Dosimetry 623 11.2.I BeamSize............................. An important parameter, that must be know ...

624 Chapter 11. Dosimetry and Radiation Protection Example: Calculate the equivalent radius of a rectangular beam of sides 0.5mm ...

11.2. Quantities Related to Dosimetry 625 J.1 InternalDosefromChargedParticles Bothαandβparticles can inflict damage to tissues. ...

626 Chapter 11. Dosimetry and Radiation Protection table 11.2.5. To compute the energy released, one must first write the equati ...

11.3. Passive Dosimetry 627 result in units ofMeV. Substituting the values of rest masses from atomic data tables in the above e ...

628 Chapter 11. Dosimetry and Radiation Protection A.1 WorkingPrincipleandGlowCurve.............. The way TL materials save info ...

11.3. Passive Dosimetry 629 Photopeak Temperature Output Light Intensity Figure 11.3.2: Typical glow curve obtained by constant ...

630 Chapter 11. Dosimetry and Radiation Protection
Energy Response:Not all TL materials respond equally to the energy de- posit ...

11.3. Passive Dosimetry 631 Table 11.3.1: Common TL dosimeters. Material Commercial Name LiF:Mg,Ti TLD-100 LiF:Mg,Cu,P TLD-100H ...

632 Chapter 11. Dosimetry and Radiation Protection Some of the advantages of OSL dosimetry are listed below. We have made com- p ...

11.3. Passive Dosimetry 633 TL Glow Curve OSL Curve Output Light Intensity Time Figure 11.3.3: Typical OSL and glow curves obtai ...

634 Chapter 11. Dosimetry and Radiation Protection whereI 0 andIare the incident and transmitted radiation intensities respectiv ...

11.3. Passive Dosimetry 635 11.3.DTrackEtchDosimetry Up until now we have been talking about the problems associated with radiat ...