If the lifetime for gamma emission exceeds about one nanosecond, the excited nucleus is defined to be in a metastable or isomeric state. The decay process from this excited state is known as an isomeric transition (IT).
Common Law Marriage States. Currently, only nine states (Alabama, Colorado, Kansas, Rhode Island, South Carolina, Iowa, Montana, Oklahoma, and Texas) and the District of Columbia recognize common-law marriages contracted within their borders.
Not all state statutes expressly allow for common law marriages. In some states case law recognizes common law marriages, including Alabama and Rhode Island. Oklahoma's statute requires couples to get a marriage license; however case law has upheld common law marriages in the state.