PREcISION MEASUREMENT OF R = ~L/U~ ON HYDROGEN, DEUTERIUM, AND BERYLLIUM TARGETS IN DEEP INELASTIC ELECTRON SCATTERING*

The E140X Collaboration 3b R G. Arnold,l A. Banerjee4 A. Bodek,6 P. E. Bosted,l L. H. Tm,l L. Andivahis,l” P. L. Anthony, . J. Button-Shafer,4 S. Dmu,7c P. de Barbaro,6 F. S. Dietrich,3 J. Dunne,l M. Frodyma,g R. Gearhart,7 J. Gomez,2 K A Grifioen,5d R. A. Hicks,4 C, Hyde-Wright,ge C. Keppel,lf S. E. Kuhn,8e A. Lung,19 G. A. Peterson,4 G. G: Petratos,6h M. Rlordan,7 S. E. Rock,l S. %kni,7 M. Spengos,l L. M. Stuart,3b Z. M. Szalata,l K. Van Bibber,3 R. Wdker,6i K. Wang,4 J. L. White,lb U. K. Yang6 1The American University, Washington, D. C. 20016 2CEBAF, Newport News, Vi~inia 23606 3Lawrence Livemore National LabomtoW, Livermom, California 94550 4 University of Massachusetts, Amherst, Massachusetts 01003 5 University of Penns~lvania, Philadelphia, Pennsylvania 19104 6 University of Rochester, Rochester, NY 14627 ‘Stanford Linear Accelemtor Center, Stanford, California 94309 sStanfod University, Stanford, California 94305 g University of Washington, Seattle, WA 98195