WFRF:(Ataç Ayse)
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LIBRIS Formathandbok (Information om MARC21)
| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04034nam a2200517 4500 | |
| 001 | oai:DiVA.org:uu-4700 | |
| 003 | SwePub | |
| 008 | 041115s2004 | |||||||||||000 ||eng| | |
| 020 | a 9155461158q print | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-47002 URI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a vet2 swepub-contenttype |
| 072 | 7 | a dok2 swepub-publicationtype |
| 100 | 1 | a Bergenwall, Bel E.,d 1968-u Uppsala universitet,Institutionen för kärn- och partikelfysik4 aut |
| 245 | 1 0 | a From Particle-Production Cross Sections to KERMA and Absorbed Dose for the Case 96 MeV n-12C Interactions |
| 246 | 1 | a Från partikelproduktionstvärsnitt till KERMA och absorberad dos för fallet 96 MeV n-12C växelverkningar |
| 264 | 1 | a Uppsala :b Acta Universitatis Upsaliensis,c 2004 |
| 300 | a 68 s. | |
| 338 | a electronic2 rdacarrier | |
| 490 | 0 | a Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology,x 1104-232X ;v 1049 |
| 520 | a Neutron-carbon interactions have been studied with a focus on charged-particle production of relevance to radiation protection and medical applications, such as cancer therapy. The measurements have been performed using the particle-detection setup, MEDLEY, and the 96 MeV neutron beam at the The Svedberg Laboratory in Uppsala.Double-differential cross sections of inclusive charged-particle production are compared with recent calculations from models based on the GNASH code including direct, preequilibrium and compound processes. For protons, the shapes of the cross-section spectra are reasonably well described by the calculations. For the other particles- d, t, 3He and α- there are important discrepancies, in particular for 3He-ions and α-particles, concerning both shape and magnitude of the spectra.Using the new cross sections, partial as well as total KERMA coefficients have been determined. The coefficients have also been compared to previous experimental results and model calculations. The p, d and t KERMA coefficients are in good agreement with those from a previous measurement. For the helium isotopes, there are no previous measurements at this energy. The KERMA coefficients are considerably higher (by up to 30%) than those predicted by the calculations.The KERMA results indicate that protons and α -particles are the main contributors to the dose. A 6x6x6 cm3 carbon phantom, exposed to a broad and a pencil-like beam, is used for the computation of the absorbed doses deposited by these two particles in spheres of 1 μm in diameter, located at various positions in the phantom. The maximum doses are deposited at ~3 cm from the surface of neutron impact for protons and within 1 cm for α-particles. For the pencil beam, deposited doses are spread over regions of ~1.5 cm and ~300 μm transverse to the beam for protons and α-particles, respectively. The results are consistent with previous integral measurements at lower energies. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Subatomär fysik0 (SwePub)103012 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Subatomic Physics0 (SwePub)103012 hsv//eng |
| 653 | a Nuclear physics | |
| 653 | a Fast neutrons | |
| 653 | a En = 96 MeV | |
| 653 | a charged-particle production | |
| 653 | a 12C(n, px) | |
| 653 | a 12C(n, dx) | |
| 653 | a 12C(n, tx) | |
| 653 | a 12C(n, 3Hex) | |
| 653 | a 12C(n, ax) reactions | |
| 653 | a cross sections | |
| 653 | a KERMA | |
| 653 | a microscopic measurements | |
| 653 | a absorbed dose | |
| 653 | a Kärnfysik | |
| 653 | a Nuclear physics | |
| 653 | a Kärnfysik | |
| 700 | 1 | a Ataç, Ayşe4 ths |
| 700 | 1 | a Lund, Evau Linköpings Universitet, Linköpings4 opn |
| 710 | 2 | a Uppsala universitetb Institutionen för kärn- och partikelfysik4 org |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:165543/FULLTEXT01.pdfx primaryx Raw objecty fulltext |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4700 |
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