quotient of dN/da, where dN is the number of particles incident on a cross-sectional area da
Note 1 to entry: The numerical value of particle fluence is the same as the numerical value of the time integral of the particle flux. Note 2 to entry: Normally the use of the term particle refers to a specific elementary particle, for example neutron fluence. This quantity is expressed in particles divided by area (m−2, cm−2). Note 3 to entry: This entry was numbered 393-14-25 in IEC 60050-393:2003.
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