PRL Celebrates 50 Years

Physical Review Letters – 25 February 1974
(Volume 32, Issue 8)

•	Activation Energy Spectrum of a Biomolecule: Photodissociation of Carbonmonoxy Myoglobin at Low Temperatures R. H. Austin, K. Beeson, L. Eisenstein, H. Frauenfelder, I. C. Gunsalus, and V. P. Marshall pp. 403-405 [View Page Images , PDF (479 kB), or Buy this Article (Use Article Pack) ]

•	Backscattering Decay Processes in Electron Beam-Plasma Interactions Including Ion Dynamics B. H. Quon, A. Y. Wong, and B. H. Ripin pp. 406-409 [View Page Images , PDF (755 kB), or Buy this Article (Use Article Pack) ]

•	Measurements of Plasma Density Distribution and Current-Sheath in the Implosion Phase of a Theta-Pinch Discharge K. F. McKenna, R. Kristal, and K. S. Thomas pp. 409-412 [View Page Images , PDF (823 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Dispersion and Diffraction by Anisotropic Centers in Alkali Halides Irwin Schneider pp. 412-415 [View Page Images , PDF (712 kB), or Buy this Article (Use Article Pack) ]

•	Electronic-Energy-Level Measurements of Chemisorbed Oxygen on the (100) Plane of Nickel by Electron Energy-Loss Spectroscopy S. Ohtani, K. Terada, and Y. Murata pp. 415-418 [View Page Images , PDF (711 kB), or Buy this Article (Use Article Pack) ]

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Nonlinear Absorption and Ultrashort Carrier Relaxation Times in Germanium under Irradiation by Picosecond Pulses
Chandler J. Kennedy, John C. Matter, Arthur L. Smirl, Hugo Weiche, Frederic A. Hopf, Sastry V. Pappus, and Marlan O. Scully
pp. 419-421 [View Page Images , PDF (582 kB), or Buy this Article (Use Article Pack) ]

•	Surface and Bulk Contributions to Ultraviolet Photoemission Spectra of Silicon J. E. Rowe and H. Ibach pp. 421-424 [View Page Images , PDF (754 kB), or Buy this Article (Use Article Pack) ]

•	New Upper Limit on the Width of the X⁰ (958) A. Duane, D. M. Binnie, L. Camilleri, J. Carr, N. C. Debenham, D. A. Garbutt, W. G. Jones, J. Keyne, I. Siotis, and J. G. McEwen pp. 425-428 [View Page Images , PDF (747 kB), or Buy this Article (Use Article Pack) ]

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Heavy-Particle Production in 300-GeV/c Proton/Tungsten Collisions
J. A. Appel, M. H. Bourquin, I. Gaines, L. M. Lederman, H. P. Paar, J. -P. Repellin, D. H. Saxon, J. K. Yoh, B. C. Brown, and J. -M. Gaillard
pp. 428-432 [View Page Images , PDF (917 kB), or Buy this Article (Use Article Pack) ]

•	Hadron Production by Electron - Positron Annihilation at 5 GeV Center - of Mass Energy G. Tarnopolsky, J. Eshelman, M. E. Law, J. Leong, H. Newman, R. Little, K. Strauch, and R. Wilson pp. 432-435 [View Page Images , PDF (759 kB), or Buy this Article (Use Article Pack) ]

•	Still Another Method for Phase-Shift Computation M. Bolsterli pp. 436-437 [View Page Images , PDF (255 kB), or Buy this Article (Use Article Pack) ]

•	Unity of All Elementary-Particle Forces Howard Georgi and S. L. Glashow pp. 438-441 [View Page Images , PDF (892 kB), or Buy this Article (Use Article Pack) ]

•	Measurement of the p-p Total Cross Section at 200 and 300 GeV/c H. Richard Gustafson, Lawrence W. Jones, Michael J. Longo, and Bruce Cork pp. 441-444 [View Page Images , PDF (710 kB), or Buy this Article (Use Article Pack) ]

•	Spectral And Intensity-Dependent Measurements Of The Two-Photon Photo-Conductivity In ZnS Crystals. G. Koren and Y. Yacoby pp. 444 [View Page Images or PDF (76 kB) ]

•	Dependence of The Linear Polarization Of γ Radiation On The Hyperfine Interaction. R. Heusinger, W. Kreische, W. Lampert, K. Reuter, K. H. Roth, and K. Thomas pp. 444 [View Page Images or PDF (76 kB) ]