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  • Electronic Resource  (2)
  • 2000-2004  (1)
  • 1970-1974  (1)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Test der Zeitumkehrinvarianz der elektromagnetischen Wechselwirkung am 73 keV-γ-Übergang von193Ir (1970)
    Springer
    The European physical journal 239 (1970), S. 197-210 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In order to test the time-reversal invariance of the electromagnetic interaction of nucleons the phase angle η between theE2- andM1-matrix-elements of the mixed $$\frac{1}{2}^ + - \frac{3}{2}^ + $$ -transition in193Ir has been measured in a Mössbauer experiment. In a measurement which avoids possible systematic errors the sine of the phase angle which is proportional to the time-reversal odd part of the transition matrix element has been deduced. The value is sinη=M odd/M even=(1.6±2.4) · 10−3. In accordance with the results of other experiments there is no evidence for a strong violation of time-reversal invariance in the electromagnetic interaction as postulated by Bernstein, Feinberg, and Lee.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01398111
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  • 2
    Electronic Resource
    Electronic Resource
    Hyperfine interaction of the 5 $\mathsf{d}$ impurities in hexagonal Co (2003)
    Springer
    The European physical journal 35 (2003), S. 449-463 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The magnetic and electric hyperfine interaction frequencies of 197m Hg, 191Pt, 183Os, and 183Re in Co(hcp) were determined for parallel and perpendicular orientations of the magnetization relative to the c axis. Single-crystal samples were used, and the techniques of nuclear magnetic resonance on oriented nuclei and modulated adiabatic fast passage on oriented nuclei were applied. In addition, the nuclear spin-lattice relaxation constants in Co(hcp) were determined for 188Ir, 183Os, and 183Re. The descriptions of the magnetization behaviour and the anisotropy of the hyperfine interaction were tested in detail for 191Pt. The available data on the hyperfine interaction of the 5d elements in Co(hcp) are compiled. The use of these data to obtain information on the electronic structure of these systems, and in particular on the orbital part of the magnetism, is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjb/e2003-00298-8
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    Paper (German National Licenses)
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