Sievert integral

The Sievert integral, named after Swedish medical physicist Rolf Sievert, is a special function commonly encountered in radiation transport calculations.

Definition

$F(x,\theta)=\int_0^\theta {e^{-x\sec(\varphi)}}\,d{\varphi}.\,$

References

Abramowitz, Milton; Stegun, Irene A., eds. (1965), "Chapter 27", Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, New York: Dover, pp. 1001, ISBN 978-0486612720, MR 0167642, http://www.math.sfu.ca/~cbm/aands/page_1001.htm .

External links

Weisstein, Eric W., "Sievert Integral" from MathWorld.

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