منابع مشابه
Proton mobility in molybdenum bronzes
2014 Molybdenum bronzes were prepared by exposing microcrystalline MoO3, covered with small particles of Pt, to gaseous hydrogen. A pulsed proton magnetic resonance study was made of H1.6MoO3 bronzes between 160 and 320 K at 90, 40 and 15 Mhz. The bronzes behave as metallic conductors and, from the point of view of relaxation, are comparable to metallic hydrides. The longitudinal relaxation rat...
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Yannis K. Semertzidis, BNL, October 2011 for the Storage Ring EDM Collaboration The storage ring EDM collaboration by the time of the workshop is expecting to have submitted a proposal to DOE for a proton EDM experiment sensitive to 10−29e · cm, see [1]. The method utilizes polarized protons at the, so-called “magic” momentum of 0.7 GeV/c in an all-electric storage ring. At this momentum, the p...
متن کاملImprovements to the Cathode-follower Rf Amplifier System for the Lansce Proton Storage Ring Buncher
Los Alamos Neutron Science Center (LANSCE) is upgrading the Proton Storage Ring (PSR) for the Short Pulse Spallation Source, to deliver 200 microamperes (μA) of beam current to a new target assembly [1]. Previous operation had been limited to 70 μA, partly as a consequence of the peak radiofrequency (RF) voltage available from the h=1 buncher. After an extensive series of performance tests in 1...
متن کاملDestabilising Effect of Linear Coupling in the Hera Proton Ring
Since the first start-up of HERA in 1992, a transverse coherent instability has appeared from time to time at the beginning of the acceleration ramp. In this process, the emittance is blown up and the beam is partially or completely lost. Although the instability was found to be of the head-tail type, and the chromaticity and linear coupling between the transverse planes was recognized as essen...
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We present data collected with the HERA-B wire target which prove the existence of coasting beam at the HERA proton storage ring. The presented measurements show a strong evidence that the proton machine operation contribute to the coasting beam production, which seems to be not dominated by target impacts. ( 2001 Elsevier Science B.V. All
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ژورنال
عنوان ژورنال: Acta Chemica Scandinavica
سال: 1963
ISSN: 0904-213X
DOI: 10.3891/acta.chem.scand.17-0862