[1] IIT, Dept Phys, Chicago, IL 60616 USA
[2] Fermilab Quantum Inst, Fermi Natl Accelerator Lab, Batavia, IL 60510 USA
[3] Fermilab Natl Accelerator Lab, Accelerator Phys Div, Batavia, IL 60510 USA
[4] Fermilab Natl Accelerator Lab, Particle Phys Div, Batavia, IL 60510 USA
[5] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[6] Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94550 USA
[7] Los Alamos Natl Lab, Accelerators & Elect Grp, Los Alamos, NM 87545 USA
[8] Natl Radio Astron Observ, NRAO Technol Ctr, Charlottesville, VA 22903 USA
[9] Pacific Northwest Natl Lab, Natl Secur Directorate, Richland, WA 99354 USA
[10] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[11] Univ Chicago, Dept Phys, Chicago, IL 60637 USA
[12] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
[13] Univ Gottingen, Dept Phys, D-37073 Gottingen, Germany
[14] Univ Sheffield, Dept Phys, Sheffield S10 2TN, S Yorkshire, England
[15] Washington Univ, Dept Phys, St Louis, MO 63130 USA
[16] NIST, Phys Measurement Lab, Gaithersburg, MD 20899 USA
[17] Microsoft, Microsoft Quantum, Redmond, WA 98052 USA
[18] IBM Almaden Res Ctr, IBM Quantum, San Jose, CA 95120 USA
[19] Lawrence Livermore Natl Lab, Phys Div, Livermore, CA 94550 USA
[20] Global Commun Semicond Inc, Dept Mfg Engn, Torrance, CA 90505 USA
[21] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA