Počet záznamů: 1

Beta asymmetry parameter in the decay of In-114

  1. 1.
    0338857 - UJF-V 2010 RIV US eng J - Článek v odborném periodiku
    Wauters, F. - De Leebeeck, V. - Kraev, I. - Tandecki, M. - Traykov, E. - Van Gorp, S. - Severijns, N. - Zákoucký, Dalibor
    Beta asymmetry parameter in the decay of In-114.
    Physical Review. C. Roč. 80, č. 6 (2009), 062501/1-062501/5 ISSN 0556-2813
    Výzkumný záměr: CEZ:AV0Z10480505
    Klíčová slova: beta decay * left-right asymmetry * nuclear oreintation
    Kód oboru RIV: BG - Jaderná, atomová a mol. fyzika, urychlovače
    Impakt faktor: 3.477, rok: 2009

    The beta-asymmetry parameter A approximate to for the pure Gamow-Teller decay of In-114 is reported. The low-temperature nuclear orientation method was combined with a GEANT4-based simulation code allowing us, for the first time, to address in detail the effects of scattering and the magnetic field. The result, A approximate to=-0.994 +/- 0.010(stat)+/- 0.010(syst), constitutes the most accurate value for the asymmetry parameter of a nuclear beta transition to date. The value is in agreement with the Standard Model prediction of A approximate to=-1 and provides new limits on tensor-type charged weak currents.
    Trvalý link: http://hdl.handle.net/11104/0182519