LUBBOCK, Texas — Kansas coach Bill Self was ejected from Monday’s game against Texas Tech with his Jayhawks down big late in the second half. The No. 6 Jayhawks fell 79-50 to the Red Raiders on Big Monday. Self argued an offensive foul called on KU big man Hunter Dickinson. He got into a heated argument with the officials before he was tossed. Dickinson scored only five points for the game. He had two free-throw attempts. Excluding Self’s two technicals, each team was called for 14 fouls. At the time of Self’s ejection, the Jayhawks were behind 59-43. Kansas, which trailed by nine at the half…