Measuring Ionizing Radiation
Exposure is a measure of ionization produced in this material.
What is air?
You need to measure these two environmental factors when measuring charge with unsealed ion chambers, as they can vary daily or even hourly.
What is the temperature and humidity?
This type of dosimeter measures the energy absorbed in media through heat instead of ionization.
What is a calorimeter?
The 'zone' or 'region' along the depth of a phantom or patient where kerma and dose are not linearly proportional.
What is the build-up region or zone?
He sang the disco classic "You Sexy Thing."
Do you believe in miracles?
Who is Hot Chocolate?
The SI unit for exposure is Coulombs per 'this.'
Don't let this weigh you down!
What is kilograms?
Given the presence of charged particle equilibrium, the dose in air can be calculated by knowing the Exposure and this constant.
What is W/e?
Like the thermoluminescent dosimeter, these robust and small devices consist of solid-state technologies but don't require annealing to generate a signal proportional to the dose.
What is an optically stimulated luminescent dosimeter?
This is the Tissue Air Ratio at a depth of Dmax.
What is the Backscatter or Peak Scatter Factor?
This is the first rule of Fight Club.
What is "You don't talk about the Fight Club"
A Farmer chamber typically has a wall made of pure Carbon, also known as this.
What is Graphite?
The Roentgen to Rad factor, or the ratio of mass absorption coefficient in some media relative to air, is also known as this 'f' word.
What is the f-factor?
Diodes are robust measuring devices, but they are sensitive to these factors.
(name at least 2 things)
What is energy, orientation, temperature, and radiation damage?
As proton beam energy increases, so does the location of this.
What is the depth of the Bragg peak?
His real name is not "Mister Tibbs"
Who is Sidney Poitier?
(from "In the Heat of the Night")
The guard electrode is found in ion chambers to ensure that these things don't leak away.
What is charge?
For TG-51 calibrations it is used to identify the beam quality.
Bye-bye TPRs!
What is the PDD at 10 cm for a beam quality, X?
These devices can be used for exit dosimetry and megavoltage patient imaging on a linear accelerator.
What are EPIDs or electronic portal imaging?
This simple factor is used to convert PDDs at one SSD to another.
What is the Mayneord Factor?
Answer to the Ultimate Question of Life, the Universe, and Everything
What is '42'
(Hitch Hikers Guide to the Galaxy)
This 'effect' is when you obtain different charge results from the same radiation exposure when you change the orientation of the chamber.
What is the stem effect?
This TG-51 correction factor is used to correct for ion recombination losses.
What is Pion?
This kind of film dosimeter is relatively insensitive to light.
What is radio-chromic film?
This organ dose decreases as beam energy increases.
What is the skin dose?
This is The Dudes' favorite drink.
What is a "White Russian"
(The Big Lebowsky)