Experimental Investigation of Low Frequency Modes of a Single Cell RF Cavity Fornaca, S. ; Boehmer, H. ; Edighoffer, J. A. ; Hess, C. E. ; Maschke, A. ; Neil, G. R. ; Orthel, J. L. ; Rhodes, M. ; Schwettman, H. A. ; Smith, T. I. Abstract Publication: 12th IEEE Particle Accelerator Conference Pub Date: 1987 Bibcode: 1987pac..conf.1818F