These correspond to alpha, beta and gamma radiation. This yields the "alpha beta gamma" update equations. She is a member of Alpha Gamma Delta sorority. Sterilization by irradiation with gamma rays may however affect material properties. McCoo is a member of Sigma Gamma Rho sorority. The crystal scintillates in response to incident gamma radiation. She was initiated into the Delta Xi Chapter of Kappa Kappa Gamma. It is a strong emitter of gamma radiation. She was a member of Kappa Kappa Gamma sorority. Beryllium also releases neutrons under bombardment by gamma rays. He is a member of the fraternity Phi Gamma Delta. Ritter was a member of Phi Gamma Delta fraternity at USC. He was also a member of Phi Gamma Delta fraternity. Pi Nu fraternity interact with members of the Gamma Iota sorority. He majored in mathematics and joined Phi Gamma Delta fraternity.