xterm -hold -e ". ./radlength_qa.sh rl_trd_v10b trd/trd_v10b.geo"&
xterm -hold -e ". ./radlength_qa.sh rl_trd_v11c trd/trd_v11c.geo"&
xterm -hold -e ". ./radlength_qa.sh rl_trd_v12b trd/trd_v12b.geo"&
xterm -hold -e ". ./radlength_qa.sh rl_trd_v13b trd/trd_v13b.root"&