The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #9 Mar 19 2015 07:03:39
%S 6,6,5,2,4,5,8,7
%N Decimal expansion of the classical Thomson cross section of an electron in square meters.
%C The geometric interpretation of the Thomson cross section of an electron is the area that would intercept from an incident electromagnetic wave the same amount of power as re-emitted by the electron on which the wave is incident.
%F Equals (8 * Pi / 3) * A254277^2.
%e sigma(T) = 6.6524587*10^-29 m^2.
%Y Cf. A254277.
%K nonn,cons
%O -28,1
%A _Arkadiusz Wesolowski_, Mar 07 2015