Benjamin Lax^*,†

• Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts and National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts

Yuichiro Nishina^†

• National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts

• ^*This work was done in part at Lincoln Laboratory, operated with support from the U. S. Army, Navy, and Air Force.
• ^†This work was done in part at the National Magnet Laboratory, operated with support by the Air Force through the Air Force Office of Scientific Research.