Zobrazeno 1 - 10
of 20
pro vyhledávání: '"W.Z. Venema"'
Publikováno v:
Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, 286(1-2), 202-213. ELSEVIER SCIENCE BV
Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 286(1-2), 202-213. Elsevier
Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 286(1-2), 202-213. Elsevier
A polarimeter with high statistica power is introduced for relative measurements of the longitudinal polarization of positrons or electrons at kinetic energies above 1 MeV. A fourfold construction improved the statistical power and the instrumental s
Publikováno v:
Physical Review Letters, 50(2), 94-97. AMER PHYSICAL SOC
Precise observation of the ratio P/sub F//P/sub GT/ of beta polarizations for Fermi and Gamow-Teller decays can provide stringent constraints on electroweak models. The result of a first measurement, with a Bhabha polarimeter of novel design, is P/su
Publikováno v:
Hyperfine Interactions. 4:693-696
Recent damage studies []] on the system ll]InNi have provided the most detailed and complete picture of radiation damage obtained so far by DPAC. The ]llIn atoms were found to occupy several defectassociated sites showing quite different spatial symm
Publikováno v:
Physics Letters B, 156(3-4), 163-166. ELSEVIER SCIENCE BV
Regular patterns of E0 transitions were observed after 232Th(α,xn reactions. They indicate that the moments of inertia of β- and ground-state bands are nearly equal in 234U, in contrast to its even-even neighbours 232Th, 232U and 236U.
Publikováno v:
Nuclear Physics A. 339:189-204
The decays of a 16 + four-quasiparticle state and an 8 − two-quasiparticle state in 178 Hf have been studied with emphasis on K -forbidden decay modes. An M4 branch in the decay of the 16 + state was identified, locating the isomer at an excitation
Autor:
J.F.W. Jansen, S.P. Steendam, J. Lukasiak, J. van Klinken, R.V.F. Janssens, W.Z. Venema, W.E.M.P.E. Wempe
Publikováno v:
Nuclear instruments & methods in physics research, 187(2-3), 635-637
The use of a double Mini-Orange electron spectrometer is discussed and is illustrated with in-beam spectroscopy on the 232 Th(α, 4n) reaction. The arrangement is a first step to such investigations with multiple electron detection.
Autor:
W.Z. Venema
Publikováno v:
Nuclear Instruments and Methods in Physics Research. 219:257-258
A method is presented for the use of charge integrating ADC's to digitize both time and energy signals from multidetector systems without special hardware for time to analog conversion.
Publikováno v:
Physical Review C. 25:671-672
The decay rate of 1/sup +/ /sup 90/Nb/sup m/ is observed via E3 conversion electrons to investigate if this 1/sup +/ isomer is populated by another isomeric transition of extremely low energy. Such a transition could be of interest for perturbation s
Publikováno v:
Nuclear instruments & methods in physics research, 201(2-3), 531-532
Accurate intensity calibration for γ-ray detection between 200 and 600 keV can be obtained with high-multiplicity cascades following the decay of 178mHf (31 y).
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