Prototype Cherenkov Detector Characterization for Muon Tomography Applications
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866917578099654656 |
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| author | Avgitas, Theodore Ianigro, Jean Christophe Marteau, Jacques |
| author_facet | Avgitas, Theodore Ianigro, Jean Christophe Marteau, Jacques |
| contents | Muography is an innovative imaging technique using naturally produced elementary particles -- atmospheric muons -- like the X-rays of medical imaging. The modification of the particles flux -- by scattering or absorption --, reflects the contrasts in density within the medium and therefore offers the possibility for an image of the crossed volumes. The imaging process is based on the tracking of the particles which accounts for the absorption or the scattering of the muons trajectories. Neither the energy nor the identity of the particles (the so-called PID) is exploited since this information traditionally relies on the use of calorimeters and/or high intensity magnetic fields. Both these techniques hinder detector portability which in the case of muography is important and this renders them impractical for its purpose. In this paper we characterize the performance of a simple and small water Cherenkov detector capable on the one hand of providing some insights on energy and PID and on the other hand of improving the background rejection for a muon telescope. We tested a prototype of such water Cherenkov detector in combination with two small muon hodoscopes. Both systems are using the same opto-electronics chain -- optical fibers and pixellized photosensors -- and the same data acquisition (DAQ) readout system which ensures an easy integration and implementation within presently running systems. This article presents the test setup, the detector response to cosmic muons and its performance evaluation against a basic simulation of its geometry and detection principle. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_16882 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Prototype Cherenkov Detector Characterization for Muon Tomography Applications Avgitas, Theodore Ianigro, Jean Christophe Marteau, Jacques Instrumentation and Detectors High Energy Physics - Experiment Muography is an innovative imaging technique using naturally produced elementary particles -- atmospheric muons -- like the X-rays of medical imaging. The modification of the particles flux -- by scattering or absorption --, reflects the contrasts in density within the medium and therefore offers the possibility for an image of the crossed volumes. The imaging process is based on the tracking of the particles which accounts for the absorption or the scattering of the muons trajectories. Neither the energy nor the identity of the particles (the so-called PID) is exploited since this information traditionally relies on the use of calorimeters and/or high intensity magnetic fields. Both these techniques hinder detector portability which in the case of muography is important and this renders them impractical for its purpose. In this paper we characterize the performance of a simple and small water Cherenkov detector capable on the one hand of providing some insights on energy and PID and on the other hand of improving the background rejection for a muon telescope. We tested a prototype of such water Cherenkov detector in combination with two small muon hodoscopes. Both systems are using the same opto-electronics chain -- optical fibers and pixellized photosensors -- and the same data acquisition (DAQ) readout system which ensures an easy integration and implementation within presently running systems. This article presents the test setup, the detector response to cosmic muons and its performance evaluation against a basic simulation of its geometry and detection principle. |
| title | Prototype Cherenkov Detector Characterization for Muon Tomography Applications |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2401.16882 |