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| 040 | ⊔ | ⊔ | ‡aTRAAL ‡cTRAAL |
| 049 | ⊔ | ⊔ | ‡aMAIN |
| 086 | 0 | ⊔ | ‡aD 206.18:960 |
| 100 | 1 | ⊔ | ‡aSchaefer, Hermann J., ‡eauthor. |
| 245 | 1 | 2 | ‡aA note on the dosimetric interpretation of rigidity spectra for solar particle beams / ‡cHermann J. Schaefer. |
| 264 | ⊔ | 1 | ‡aPensacola, Florida.: ‡bU.S. Naval Aerospace Medical Institute, U.S. Naval Aviation Medical Center, ‡c1966. |
| 300 | ⊔ | ⊔ | ‡a12 pages : ‡billustrations ; ‡c28 cm. |
| 336 | ⊔ | ⊔ | ‡atext ‡btxt ‡2rdacontent |
| 337 | ⊔ | ⊔ | ‡aunmediated ‡bn ‡2rdamedia |
| 338 | ⊔ | ⊔ | ‡avolume ‡bnc ‡2rdacarrier |
| 490 | 0 | ⊔ | ‡aNAMI ; ‡v960 |
| 500 | ⊔ | ⊔ | ‡a"Bureau of Medicine and Surgery, MFO 22.03.02-5001.34, NASA Order No. R-75."--title page. |
| 500 | ⊔ | ⊔ | ‡aJoint report of the United States Naval Aerospace Medical Institute and the National Aeronautics and Space Administration.--cover. |
| 500 | ⊔ | ⊔ | ‡a"26 April 1966." |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references (page 12) |
| 520 | ⊔ | ⊔ | ‡aBy using the experimental rigidity formulation as proposed by Freier and Webber, the particle fluxes of all flare events of the past solar cycle can be uniformly described in terms of a flux constant J sub o and a rigidity constant P sub o. On the basis of these data, three fictitious rigidity spectra are 'synthesized' covering the full variability range of all flare events, yet characterizing more systematically the relationships between the basic dosimetric quantities and the rigidity constant P sub o. It is found that, of the components heavier than protons, only alpha particles contribute substantially to total exposure. The fractional alpha dose in the tissue surface behind 0.1 g/sq cm shielding grows from 40 percent for P sub o = 50 Mv to 400 per cent for P sub o = 300 Mv. At the same time, the depth dose of the alpha component shows an extremely steep drop which would require microsensors for accurate measurement. For the alpha and medium heavy components, the RBE shows a pronounced transition in near surface regions which further steepens the drop of the RBE dose equivalents as compared to the rad doses. The extremely strong and nonlinear dependence of the rad and rem dose distribution on rigidity makes the rigidity concept practically useless for any dosimetric evaluation and indicates the need for direct measurements of local rad and rem doses on the astronaut's body. (Author). |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aParticle beams. |
| 650 | ⊔ | 0 | ‡aSolar flares. |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bNavy Department. ‡bBureau of Medicine and Surgery. |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bNational Aeronautics and Space Administration. |
| 710 | 2 | ⊔ | ‡aNaval Aerospace Medical Institute (U.S.) |
| 730 | 0 | ⊔ | ‡aTechnical Report Archive & Image Library (TRAIL) |
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