Abstract
We studied the application of statistical reconstruction algorithms, namely maximum likelihood and least squares methods, to the problem of event reconstruction in a dual phase liquid xenon detector. An iterative method was developed for in-situ reconstruction of the PMT light response functions from calibration data taken with an uncollimated γ-ray source. Using the techniques described, the performance of the ZEPLIN-III dark matter detector was studied for 122 keV γ-rays. For the inner part of the detector (R<100 mm), spatial resolutions of 13 mm and 1.6 mm FWHM were measured in the horizontal plane for primary and secondary scintillation, respectively. An energy resolution of 8.1% FWHM was achieved at that energy. The possibility of using this technique for improving performance and reducing cost of scintillation cameras for medical applications is currently under study.
| Original language | English (US) |
|---|---|
| Title of host publication | 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1226-1233 |
| Number of pages | 8 |
| ISBN (Print) | 9781467301183 |
| DOIs | |
| State | Published - Jan 1 2011 |
| Event | 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 - Valencia, Spain Duration: Oct 23 2011 → Oct 29 2011 |
Publication series
| Name | IEEE Nuclear Science Symposium Conference Record |
|---|---|
| ISSN (Print) | 1095-7863 |
Other
| Other | 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 |
|---|---|
| Country/Territory | Spain |
| City | Valencia |
| Period | 10/23/11 → 10/29/11 |
All Science Journal Classification (ASJC) codes
- Radiation
- Nuclear and High Energy Physics
- Radiology Nuclear Medicine and imaging
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