Single Event Effects are errors in electronic circuits caused by cosmic particles present in the natural environment. The result of a particle strike may corrupt the logical state at a target node or cause erroneous glitches. In most instances, the errors are random and non-destructive. The severity of these errors, however, cannot be discounted as exemplified by commercial instances [21, 22]. ...

10S RNA has been isolated from the postribosomal supernatant of rabbit reticulocyte lysate. This RNA is associated with protein in a ribonucleoprotein particle that sediments at approximately 20S. The 10S RNA extracted from this particle codes predominantly for alpha globin chains when it is translated by a mouse ascites cell-free extract. The product of the cell-free synthesis has been charact...

Localized alpha-particle velocity distribution and density, ion temperature, DT fuel ratio, and internal magnetic field pitch angle can all be potentially diagnosed by a collective Thomson scattering system. Relativistic electron cyclotron calculations and TORAY ray tracing for 6 tesla ITER parameters indicate that 90 GHz is an optimum frequency for this diagnostic. With 400 kW at the plasma an...

Recent developments in computational and theoretical studies of Alpha particle driven Alfven turbulence in both the long (kpi < 1) and short (kpi 1) wavelength regimes are reported. In the long wavelength regime, a hybrid particle-fluid model is solved numerically as well as analytically in a simple slab geometry. The dominant nonlinear interactions are found to be couplings between two Alfven ...

The mechanism(s) by which alpha (alpha) particles like those emitted from inhaled radon and radon progeny cause their carcinogenic effects in the lung remains unclear. Although direct nuclear traversals by alpha-particles may be involved in mediating these outcomes, increasing evidence indicates that a particles can cause alterations in DNA in the absence of direct hits to cell nuclei. Using th...

The spectra of both protons and alph'a pa•-ticles (1 <• E • 7 MeV/nucleon) during 31 recurrent particle streams are fit well by an exponential in particle rigidity. Although the spectra show considerable temporal variation, the proton and alpha particle spectra are correlated such that the e-folding rigidities Po(•) and Po(P) of the two spectra are in the ratio Po(•)/ Po(P) = 1.5 ñ 0.1. The con...

In the events of peripheral dissociation relativistic nuclei in nuclear track emulsion, it is possible to study emerging ensembles He and H nuclei, including those from decays unstable $^{8}$Be $^{9}$B as well Hoyle state. These extremely short-lived states are identified by invariant masses calculated angles 2$\alpha$-pairs, 2$\alpha p$- 3$\alpha$-triplets approximation conservation momentum p...

The aim of this study is to compare between proton boron fusion therapy (PBFT) and boron neutron capture therapy (BNCT) and to analyze dose escalation using a Monte Carlo simulation. We simulated a proton beam passing through the water with a boron uptake region (BUR) in MCNPX. To estimate the interaction between neutrons/protons and borons by the alpha particle, the simulation yielded with a v...

The internal α-particle beam of the Warsaw Heavy Ion Cyclotron was used to produce research quantities of the medically interesting Sc radioisotopes from natural Ca and K and isotopically enriched 42Ca targets. The targets were made of metallic calcium, calcium carbonate and potassium chloride. New data on the production yields and impurities generated during the target irradiations are present...