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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yamaguchi, Satoshi Sato, Eiichi Oda, Yasuyuki Nakamura, Ryuji Oikawa, Hirobumi Yabuushi, Tomonori Ariga, Hisanori Ehara, Shigeru |
| Description | Author Affiliation: Yamaguchi S ( Department of Radiology, School of Medicine, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate 020-0023, Japan. Electronic address: dresato@iwate-med.ac.jp.); Sato E ( Department of Physics, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba, Iwate 028-3694, Japan.); Oda Y ( Department of Physics, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba, Iwate 028-3694, Japan.); Nakamura R ( Department of Radiology, School of Medicine, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate 020-0023, Japan.); Oikawa H ( Department of Radiology, School of Medicine, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate 020-0023, Japan.); Yabuushi T ( Department of Radiology, School of Medicine, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate 020-0023, Japan.); Ariga H ( Department of Radiology, School of Medicine, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate 020-0023, Japan.); Ehara S ( Department of Radiology, School of Medicine, Iwate Medical University, 19-1 Uchimaru, Morioka, Iwate 020-0023, Japan.) |
| Abstract | To measure X-ray spectra with high count rates, we developed a detector consisting of a Lu2(SiO4)O [LSO] crystal with a decay time of 40 ns and a multipixel photon counter (MPPC). The photocurrents flowing through the MPPC are converted into voltages and amplified by a high-speed current-voltage amplifier, and event pulses from the amplifier are sent to a multichannel analyzer to measure spectra. We used three MPPCs of 100, 400 and 1600 pixels/mm(2), and the MPPCs were driven under pre-Geiger mode at a temperature of 20 °C. At a tube voltage of 100 kV and a tube current of 5.0 µA, the maximum count rate was 12.8 kilo-counts per second. The event-pulse widths were 200 ns, and the energy resolution was 53% at 59.5 keV using a 100-pixel MPPC. |
| File Format | HTM / HTML |
| ISSN | 09698043 |
| Volume Number | 103 |
| e-ISSN | 18729800 |
| Journal | Applied Radiation and Isotopes |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-09-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Nuclear Medicine Amplifiers, Electronic Lutetium Radiation Effects Photometry Instrumentation Radiometry Signal Processing, Computer-assisted X-rays Equipment Design Equipment Failure Analysis Photons Radiation Dosage Reproducibility Of Results Sensitivity And Specificity Silicon Dioxide Transducers Comparative Study Evaluation Studies Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiation |
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