Looking at all the PBAoE attacks in the Dominator Assault sets, they all seem to be 15ft Radius...
...Except for Atom Smasher in Radiation Assault, which has a much smaller radius at 7ft. Was this an oversight in translating the Radiation Melee version (7ft radius, as most all the other PBAoE in melee sets), or intentional? It does do a little more damage (raw) than the other PBAoE attacks, but also has an animation that's a little on the long side, balancing that out to some degree.
(Also how about raising Dominator damage cap to 500%, alongside Blasters, Scrappers and Stalkers?)
Edit: Atom Smasher has a 10ft radius on Dominators, which is still not 15ft like the main PBAoE attack in the other Assault sets.