Content deleted Content added
Line 5:
[[File:Koinzidenzdetector.png|thumb|right|Coincidence measurement in simplified depiction.]]
PAC goes back to a theoretical work by Donald R. Hamilton <ref>Donald R. Hamilton: On Directional Correlation of Successive Quanta. In: Physical Review. Band 58, Nr. 2, 15. Juli 1940, S. 122–131, doi:10.1103/PhysRev.58.122</ref> from 1940. The first successful experiment was carried out by Brady and Deutsch <ref>Edward L. Brady, Martin Deutsch: Angular Correlation of Successive Gamma-Ray Quanta. In: Physical Review. Band 72, Nr. 9, 1. November 1947, S. 870–871, doi:10.1103/PhysRev.72.870</ref> in 1947. Essentially spin and parity of nuclear spins were investigated in these first PAC experiments. However, it was recognized early on that electric and magnetic fields interact with the nuclear moment<ref>H. Aeppli, A.S. Bishop, H. Frauenfelder, M. Walter, W. Zünti, Phys. Rev. 82 (1951) 550.</ref>, providing the basis for a new form of material investigation: nuclear solid-state spectroscopy.
Step by step the theory was developed.<ref>J.W. Gardner, Proc. Phys. Soc. (London) A62 (1949) 763.</ref><ref>D.S. Ling, D.L. Falkoff, Phys, Rev. 76 (1949) 1639.</ref><ref>M. Fierz, Helv. Phys. Acta 22 (1949) 489.</ref><ref>J.A. Spiers, Nat. Res. Council Canada, Publ. No. 1925 (1950) Phys. Rev. 80 (1950) 491.</ref><ref>D.L. Falkoff, G.E. Uhlenboeck, Phys. Rev. 79 (1950) 232.</ref><ref>G. Racah, Phys. Rev. 84 (1951) 910.</ref><ref>U. Fano, Nat'l. Bureau of Standards Report 1214; Phys. Rev. 90 (1953)577.</ref><ref>S.P. Lloyd, Phys. Rev. 85 (1952) 904.</ref><ref>K. Adler, Helv. Phys. Acta 25 (1952) 235.</ref><ref>S.R. de Groot, Physica 18 (1952) 1201.</ref><ref>F. Coester, J.M. Jauch, Helv. Phys. Acta 26 (1953) 3.</ref><ref>L.C. Biedenharn, M.E. Rose, Rev. Mod. Phys. 25 (1953) 729.</ref>
| |||