Linear energy transfer
Updates to Article Attributes
Body
was changed:
Linear energy transfer (LET) is the average (radiation) energy deposited per unit path length along the track of an ionising particle. Its units are keV/μm.
Linear energy transfer describes the energy deposition density of a particular type of radiation, which largely determines the biological consequence of radiation exposure.
The linear energy transfer of a chargedparticle2 is ∞ Q2/Ek
- linear energy transfer is proportional to the square of the charge of the particle (Q2)
- linear energy transfer is inversely proportional to the particle's kinetic energy (Ek)
High linear energy transfer radiations: linear energy transfer 3-200 keV/μm
- commonly mediated by:
- greater density of interactions at cellular level
- more likely, than low linear energy transfer, to produce biological damage in a given volume of tissue
Low linear energy transfer radiations: linear energy transfer 0.2-3 keV/μm
- commonly mediated by:
- electrons
- positrons
- gamma rays
- x-rays
- less likely than high linear energy transfer to produce tissue damage in the same volume of tissue
-<p><strong>Linear energy transfer </strong>is the average (radiation) energy deposited per unit path length along the track of an <a href="/articles/ionising-radiation">ionising particle</a>. Its units are keV/μm.</p><p>Linear energy transfer describes the energy deposition density of a particular type of radiation, which largely determines the biological consequence of radiation exposure.</p><p>The linear energy transfer of a charged<strong> </strong>particle<sup>2</sup> is ∞ Q<sup>2</sup>/E<sub>k </sub></p><ul>-<li>linear energy transfer is proportional to the square of the charge of the particle</li>-<li>linear energy transfer is inversely proportional to the particle's kinetic energy</li>- +<p><strong>Linear energy transfer </strong>(<strong>LET</strong>) is the average (radiation) energy deposited per unit path length along the track of an <a href="/articles/ionising-radiation">ionising particle</a>. Its units are keV/μm.</p><p>Linear energy transfer describes the energy deposition density of a particular type of radiation, which largely determines the biological consequence of radiation exposure.</p><p>The linear energy transfer of a charged<strong> </strong>particle <sup>2</sup> is ∞ Q<sup>2</sup>/E<sub>k </sub></p><ul>
- +<li>linear energy transfer is proportional to the square of the charge of the particle (Q<sup>2</sup>)</li>
- +<li>linear energy transfer is inversely proportional to the particle's kinetic energy (E<sub>k</sub>)</li>
Unable to process the form. Check for errors and try again.