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Akademický článek
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Autor:
D. Freeman, G. Muhrer, Takashi Ino, Erik B. Iverson, Y. Kiyanagi, Eric J. Pitcher, Motoki Ooi, Phillip D. Ferguson, G.J. Russell
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 566:699-705
The ortho/para-hydrogen ratio is a key parameter for the neutronic performance of a liquid hydrogen moderator. In order to get a better understanding of the influence that the ortho/para-hydrogen ratio has on the performance of such a moderator, we m
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 547:555-568
In December 2001, we measured the in beam high-energy neutron intensities on several of the beamlines at the spallation neutron source at the Lujan Center, Los Alamos, USA. This effort was then followed by a comparison of these measurements with Mont
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 536:154-164
The Manuel Lujan Jr. Neutron Scattering Center (Lujan Center) at the Los Alamos National Laboratory produces currently the highest time-averaged cold source brightness of any pulsed neutron scattering facility in the world, and efforts are underway t
Publikováno v:
Physica C: Superconductivity. 415:40-50
The pinning properties of (Y, Nd)Ba 2 Cu 3 O 7− δ [(Y, Nd)123] melt-textured samples have been studied using dc magnetic-based measurements and different scaling approaches over the temperature range 60 K ⩽ T ⩽ 84 K. The field dependence of th
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 527:531-542
In an effort to characterize the moderators at the Manuel Lujan Center spallation neutron source, Los Alamos, USA, we measured the thermal spectrum and the absolute thermal flux on several of the beamlines. In a second step, we then compared these me