Charged particles linear energy transfer

Linear Energy Transfer (LET)—A measure of the energy that a charged particle transfers to a material per unit path length. 

Linear energy transfer (LET) A function of the capacity of the radiation to produce ionization. LET is the rate at which charged particles transfer their energies to the atoms in a medium and a function of the energy and velocity of the charged particle. See Radiation dose. 

Radiation quality is defined by the nature, charge, and energy spectrum of the particles and can be characterized by the linear energy transfer (LET) or, alternatively, by the micro-dosimetric spectra at the point of interest under the actual irradiation conditions. 

One of the characteristics of radiation considered in radiation chemistry and in radiobiology is the linear energy transfer (LET). For fast charged particles the LET practically equals the ionization losses (or polarization losses, in condensed media) and is given by the formulas for the stopping power presented in Section V.A. 

The rate of energy loss from the particle per unit length of track, or Linear Energy Transfer (LET), was known to follow the Bragg curve with a maximum LET close to the end of the particle s track. Be the (1933(8)) derived theoretical expression for this quantity for electrons and other charged particles. For electrons this has the form ... 

An alpha particle is heavily charged with a mass equal to 7,300 times that of an electron. Yet energy can be transferred to particles going only twice as fast as the alpha particle. Since it requires 33.85 eV to produce an electron pair, a 5 MeV can produce 7,400 pairs within 1 micron (micrometer) of the decay. One micron (1/1,000,000 meters 1/1,000 millimeters 15% of the diameter of a human red blood cell) is much thinner than a sheet of paper. This linear energy transfer (LET) is said to be much greater than is... 

Define linear energy transfer (LET) and range (R) of charged particles. 

Another inqmrtant concept is the linear energy transfer (abbreviated as LET) of charged particles. It is defined as the oiergy absorbed in matter per unit path l gth traveled by a charged particle... 

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