Project C-431-B -- Ball 3-X safety system -- 105-C

Reed, E. L.

doi:10.2172/10188209

Cited by 3 publications

(9 citation statements)

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“…If Li is used as a working fluid, a preliminary investigation, from the viewpoint of nuclear physics, indicates that the optimum thickness of such a liquid stripper could be as little as ~10 µm, depending on the beam energy [9]. To provide consistent stripping characteristics, the shape, especially, the thickness of the film must be kept constant and stable.…”

Section: Detailed Technical Issues and Tasksmentioning

confidence: 99%

“…A gas stripper, which typically consists of a differentially pumped chamber filled with a gas, could be a good choice for certain situations, since the gas would not be damaged by heating from the beam. At high beam energy, however, the obtainable charge state could become significantly lower than when a solid or a liquid stripper is used [9]. In addition, when the gas is heated up after exposure to the beam, the gas density will change, although the stripper itself is physically intact.…”

Section: Introductionmentioning

confidence: 99%

“…Any slight variation in the thickness of the film along the circumference of the wheel would cause a change in the stripping characteristics, which would disturb the beam quality. To effectively accelerate such a disturbed beam, a complex dynamic tuning of the accelerating field and phase would be required in the down stream [9]. Furthermore, when beam power is increased, the lifetime of the stripper is shortened by the intensive radiation damage and heating.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, when beam power is increased, the lifetime of the stripper is shortened by the intensive radiation damage and heating. Eventually, the instantaneous power deposit will reach such a level that any solid material would immediately melt or vaporize [9]. Therefore, for the stripper employed in a high-power ion beam system such as RIA, the use of a liquid stripper seems more attractive than a gaseous or solid stripper.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, for the stripper employed in a high-power ion beam system such as RIA, the use of a liquid stripper seems more attractive than a gaseous or solid stripper. Since the working liquid must have good thermal properties in order to remove very high heat input and preferably low vapor pressure, the use of liquid metals appears most promising [9]. A liquid film stripper proposed for use in RIA is schematically pictured in Figure 2.…”

Section: Introductionmentioning

confidence: 99%

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Research proposal for development of an electron stripper using a thin liquid lithium film for rare isotope accelerator.

Momozaki¹

2006

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Section: Detailed Technical Issues and Tasksmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Research proposal for development of an electron stripper using a thin liquid lithium film for rare isotope accelerator.

Momozaki¹

2006

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The nearby Galaxy structure toward the Vela Gum nebula

et al. 2015

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We report on $UBVI$ photometry and spectroscopy for MK classification purposes carried out in the fields of five open clusters projected against the Vela Gum in the Third Galactic Quadrant of the Galaxy. They are Ruprecht 20, Ruprecht 47, Ruprecht 60, NGC 2660 and NGC 2910. We could improve/confirm the parameters of these objects derived before. The spectroscopic parallax method has been applied to several stars located in the fields of four out of the five clusters to get their distances and reddenings. With this method we found two blue stars in the field of NGC 2910 at distances that make them likely members of Vela OB1 too. Also, projected against the fields of Ruprecht 20 and Ruprecht 47 we have detected other young stars favoring not only the existence of Puppis OB1 and OB2 but conforming a young stellar group at $\sim1$ kpc from the Sun and extending for more than 6 kpc outward the Galaxy. If this is the case, there is a thickening of the thin Galactic disk of more than 300 pc at just 2-3 kpc from the Sun. Ruprecht 60 and NGC 2660 are too old objects that have no physical relation with the associations under discussion. An astonishing result has been the detection in the background of Ruprecht 47 of a young star at the impressive distance of 9.5 kpc from the Sun that could be a member of the innermost part of the Outer Arm. Another far young star in the field of NGC 2660, at near 6.0 kpc, may become a probable member of the Perseus Arm or of the inner part of the Local Arm. The distribution of young clusters and stars onto the Third Galactic Quadrant agrees with recent findings concerning the extension of the Local Arm as revealed by parallaxes of regions of star formation. We show evidences too that added to previous ones found by our group explain the thickening of the thin disk as a combination of flare and warp.Comment: Accepted for publication in New Astronom

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Inhibition of Pigment Formation of Serratia marcescens by Chloramphenicol, Aureomycin, and Terramycin

Weil

1952

Experimental Biology and Medicine

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The production of red pigment ("prodigiosin") by Serratia marcescens is subject to spontaneous variatilon ( 1,2 ) , which presumably is genetically controlled. Moreover, pigment formation depends on certain external factors, such as temperature and the supply of magnesium and iron (3,4). Glutamic acid has just been identified by Weinberg (5) as an inhibitor of pigment production. A similar effect of chloramphenicol (chloromycetin) , aureomycin, and terramycin is here described.Methods. Four strains of prodigiosus bacilli were collected in this hospital during the summer of 1951. The fifth strain used was originally obtained from Dr. E. C. Roberts of St. Louis(7,8). The organisms were grown on 2 % nutrient agar (Baltimore Biological Laboratories), pH 7,3. Temperature is not critical between 20°C and 37°C. Commercially prepared disks (Difco) were employed according to the method recently described( 6) for preliminary tests with chloromycetin, aureomycin, terramycin, penicillin, streptomycin, di-hydrostreptomycin, and bacitracin. More quantitative tests were done on agar slants containing weighed amounts of antibiotic* covering a wide range of concentrations in 2-fold steps. The slants were inoculated immediately after preparation, except in some experiments, where duplicates were left at room temperature (Approximately 72°F) for 2 days in order to obtain information on the stability of the antibiotics in nutrient agar.Results. No inhibition of coloration or of growth was seen around disks containing penicillin, streptomycin, di-hydrostreptomycin, and bacitracin. In fact, a narrow zone of enhanced pigmentation was on occasion seen * Chloromycetin , aureomycin, and terramycin were provided by the courtesy

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Project C-431-B -- Ball 3-X safety system -- 105-C

Cited by 3 publications

References 0 publications

Research proposal for development of an electron stripper using a thin liquid lithium film for rare isotope accelerator.

Research proposal for development of an electron stripper using a thin liquid lithium film for rare isotope accelerator.

The nearby Galaxy structure toward the Vela Gum nebula

Inhibition of Pigment Formation of Serratia marcescens by Chloramphenicol, Aureomycin, and Terramycin

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