Linear Energy Transfer (LET), LΔ 1
Linear Energy Transfer (LET), LΔ 1 :
Defined generally as: [DE LΔ = DB] Δ: where dE is the energy lost in traversing distance dl and Δ: is an upper bound on the energy transferred in any single collision. A measure of how, as a function of distance, energy is transferred from radiation to the exposed matter. A high value of LET indicates that energy is deposited within a small distance. L8 (i.e. with . = 8) is termed the unrestricted linear energy transfer, in defining quality factor. L. is also known as the restricted linear collision stopping power
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