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| 001 | 178653 | ||
| 005 | 20240229143552.0 | ||
| 024 | 7 | _ | |a 10.1088/1361-6560/ac4fa0 |2 doi |
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| 037 | _ | _ | |a DKFZ-2022-00182 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Holm, Kim Marina |b 0 |
| 245 | _ | _ | |a Direct determination ofkQfor Farmer-type ionization chambers in a clinical scanned carbon-ion beam using water calorimetry. |
| 260 | _ | _ | |a Bristol |c 2022 |b IOP Publ. |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1648039446_1485 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 500 | _ | _ | |a Phys. Med. Biol. 67 (2022) 049401 |
| 520 | _ | _ | |a Within two studies, kQ factors for two Farmer-type ionization chambers have been experimentally determined by means of water calorimetry in the entrance channel (EC) of a monoenergetic carbon-ion beam [1] and for a passively modulated spread-out Bragg peak (SOBP) [2]. Both studies were performed at the Heidelberg Ion Beam Therapy Center (HIT) using the PTB portable water calorimeter but applying different initial beam energies of 429 MeV/u for the EC and 278 MeV/u for the SOBP as well as different scanning patterns of the irradiated eld. Comparing their results revealed differences between the experimental kQ factors of up to 1.9% between the EC and the SOBP. To further investigate this unexpected difference, we performed additional kQ determinations for the EC of an 278 MeV/u monoenergetic carbon-ion beam and reevaluated the original data of Osinga-Blättermann et al. [1]. This new experimental data indicated no difference between the kQ factors for the EC and the SOBP and the reevaluation led to a substantial reduction of the originally published kQ factors for the EC of the 429 MeV/u beam [1]. Finally, no signicant difference between the data for the EC and the data for the SOBP can be found within the standard measurement uncertainty of experimental kQ factors of 0.8 %. The results presented here are intended to correct and replace the kQ data published by Osinga- Blättermann et al. [1] and in Osinga-Blättermann and Krauss [3]. |
| 536 | _ | _ | |a 315 - Bildgebung und Radioonkologie (POF4-315) |0 G:(DE-HGF)POF4-315 |c POF4-315 |f POF IV |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, PubMed, , Journals: inrepo01.inet.dkfz-heidelberg.de |
| 650 | _ | 7 | |a SOBP |2 Other |
| 650 | _ | 7 | |a carbon-ion beams |2 Other |
| 650 | _ | 7 | |a entrance channel |2 Other |
| 650 | _ | 7 | |a kQ factors |2 Other |
| 650 | _ | 7 | |a water calorimetry |2 Other |
| 700 | 1 | _ | |a Jaekel, Oliver |0 0000-0002-6056-9747 |b 1 |
| 700 | 1 | _ | |a Krauss, Achim |b 2 |
| 773 | _ | _ | |a 10.1088/1361-6560/ac4fa0 |0 PERI:(DE-600)1473501-5 |n 4 |p 049401 |t Physics in medicine and biology |v 67 |y 2022 |x 0031-9155 |
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| 910 | 1 | _ | |a Deutsches Krebsforschungszentrum |0 I:(DE-588b)2036810-0 |k DKFZ |b 1 |6 0000-0002-6056-9747 |
| 913 | 1 | _ | |a DE-HGF |b Gesundheit |l Krebsforschung |1 G:(DE-HGF)POF4-310 |0 G:(DE-HGF)POF4-315 |3 G:(DE-HGF)POF4 |2 G:(DE-HGF)POF4-300 |4 G:(DE-HGF)POF |v Bildgebung und Radioonkologie |x 0 |
| 914 | 1 | _ | |y 2022 |
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