Derivation of theoretical formula for the third order neutron correlation technique by using importance function

Bell, 1965, On the stochastic theory of neutron transport, Nucl. Sci. Eng., 21, 390, 10.13182/NSE65-1 Bell, 1970 Dragt, 1967, Threefold correlations and third order moments in reactor noise, Nukleonik, 10, 7 Endo, 2006, Space and energy dependent theoretical formula for the third order neutron correlation technique, Ann. Nucl. Energy, 33, 521, 10.1016/j.anucene.2006.02.002 Feynman, 1956, Dispersion of the neutron emission in U-235 fission, J. Nucl. Energy, 3, 64 Furuhashi, 1968, Third moment of the number of neutrons detected in short time intervals, J. Nucl. Sci. Technol., 5, 48, 10.3327/jnst.5.48 Mihalczo, 1978, Determination of reactivity from power spectral density measurements with Californium-252, Nucl. Sci. Eng., 66, 29, 10.13182/NSE78-A15186 Pázsit, 1999, The backward theory of stochastic particle transport with multiple emission sources, Phys. Scr., 59, 344, 10.1238/Physica.Regular.059a00344 Saito, 1970, JAERI 1187 Sjöstrand, 1956, Measurements on a subcritical reactor using a pulsed neutron source, Ark. Fys., 11, 233