What is "raydiation"

Raydiation is the third studio album by American recording artist Ray J. It was released by Sanctuary Records in association with the singer's own label, Knockout Entertainment, on September 20, 2005 in the United States. Ray J's first effort in four year, the album was primarily produced by Detail, featuring additional production from Rodney "Darkchild" Jerkins, R. Kelly, Ric Rude, and Timbaland. Rapper Fat Joe, singer Mýa and Ray J's sister, singer Brandy, appear a guest vocalist on the album.