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. (December 1972) [1964]. "Chapter 27". Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. Applied Mathematics Series 55 (10 ed.). New York, USA: United States Department of Commerce, National Bureau of Standards; Dover Publications. p. 1001. ISBN 978-0-486-61272-0. LCCN 64-60036. MR 0167642.

External links

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

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