Joseph Ballam, 1917 - 1997

SLAC Professor and Research Division Head

Joe Ballam and Dick Neal
(SLAC) Joe Ballam and Dick Neal at the December 1983 retirement party for the 40-inch bubble chamber

Professional and Biographical Information

Technical Publications

  • Vector Meson Production by Polarized Photons at 2.8-GeV, 4.7-GeV, and 9.3-GeV. Joseph Ballam, G.B. Chadwick, Y. Eisenberg, E. Kogan, K.C. Moffeit, P. Seyboth, I.O. Skillicorn, H. Spitzer, Guenter E. Wolf (SLAC), H.H. Bingham (LBL, Berkeley) et al.. Nov 1972. 88 pp. Published in Phys.Rev. D7 (1973) 3150 SLAC-PUB-1143, LBL-1371 DOI: 10.1103/PhysRevD.7.3150
  • Bubble Chamber Study of Photoproduction by 2.8-GeV and 4.7-GeV Polarized Photons. 1. Cross-Section Determinations and Production of rho0 and Delta++ in the Reaction gamma p --> p pi+ pi-. Joseph Ballam, G.B. Chadwick, R. Gearhart, Zaven G.T. Guiragossian, J.J. Murray, P. Seyboth, Charles K. Sinclair, I.O. Skillicorn, H. Spitzer, Guenter E. Wolf (SLAC) et al.. Aug 1971. 136 pp. Published in Phys.Rev. D5 (1972) 545 SLAC-PUB-0941 DOI: 10.1103/PhysRevD.5.545
  • Search for millicharged particles at SLAC. A.A. Prinz, R. Baggs, J. Ballam, S. Ecklund, C. Fertig, J.A. Jaros, K. Kase, A. Kulikov, Willem Gerhardus Johannes Langeveld, R. Leonard (SLAC) et al.. Mar 1998. 4 pp. Published in Phys.Rev.Lett. 81 (1998) 1175-1178 SLAC-PUB-7762 DOI: 10.1103/PhysRevLett.81.1175
  • Photoproduction of an isovector rho pi state at 1775-MeV.. SLAC Hybrid Facility Photon Collaboration (G.T. Condo et al.). Dec 1991. Published in Phys.Rev. D43 (1991) 2787-2791 DOI: 10.1103/PhysRevD.43.2787
  • For further technical publications, search inSPIRE and Google Scholar

Archival Materials

Joseph Ballam papers held by the SLAC Archives, History & Records Office are currently being processed, and are not yet open for research. SLAC staff may access descriptions of his papers by clicking this link and entering his last name in the search box at the upper right on that page. Archived photos of Joseph Ballam may be found in the SLAC catalog of the SALLIE image repository (SUNet login required).

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Joe Ballm and Sid Drell with group
Joe Ballam (left) and Sid Drell at SLAC Experiment vs. Theory Softball Game on June 16, 1984 (SLAC)
Pief Panofsky and Joe Ballam
W. K. H. "Pief" Panofsky (left) with Joe Ballam, 1960's? (SLAC)