Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra
Pulse pile-up in pulse-height energy analyzers increases when the incident rate of pulses increases relative to the inverse of the dead time <i>per</i> pulse of the detection system. Changes in the observed energy distributions with incident rate and detector-electronics-formed pulse sha...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-02-01
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| Series: | Plasma |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2571-6182/6/1/6 |
| _version_ | 1797609367693950976 |
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| author | Taosif. Ahsan Charles P. S. Swanson Chris Galea Sangeeta P. Vinoth Tony Qian Tal Rubin Samuel A. Cohen |
| author_facet | Taosif. Ahsan Charles P. S. Swanson Chris Galea Sangeeta P. Vinoth Tony Qian Tal Rubin Samuel A. Cohen |
| author_sort | Taosif. Ahsan |
| collection | DOAJ |
| description | Pulse pile-up in pulse-height energy analyzers increases when the incident rate of pulses increases relative to the inverse of the dead time <i>per</i> pulse of the detection system. Changes in the observed energy distributions with incident rate and detector-electronics-formed pulse shape then occur. We focus on weak high energy tails in X-ray spectra, important for measurements on partially ionized, warm (50–500 eV average electron energy), pure hydrogen plasma. A first-principles two-photon pulse-pile-up model is derived specific to trapezoidal-shaped pulses; quantitative agreement is found between the measurements and the model’s predictions. The model is then used to diagnose pulse-pile-up tail artifacts and mitigate them in relatively low count-rate spectra. |
| first_indexed | 2024-03-11T06:00:29Z |
| format | Article |
| id | doaj.art-adb39644ef07408a8ef3051044559721 |
| institution | Directory Open Access Journal |
| issn | 2571-6182 |
| language | English |
| last_indexed | 2024-03-11T06:00:29Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Plasma |
| spelling | doaj.art-adb39644ef07408a8ef30510445597212023-11-17T13:23:43ZengMDPI AGPlasma2571-61822023-02-0161587110.3390/plasma6010006Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray SpectraTaosif. Ahsan0Charles P. S. Swanson1Chris Galea2Sangeeta P. Vinoth3Tony Qian4Tal Rubin5Samuel A. Cohen6Physics Department, Princeton University, Princeton, NJ 08540, USAPrinceton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USAPrinceton Fusion Systems, Plainsboro, NJ 08536, USAPrinceton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USAPrinceton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USAPrinceton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USAPrinceton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USAPulse pile-up in pulse-height energy analyzers increases when the incident rate of pulses increases relative to the inverse of the dead time <i>per</i> pulse of the detection system. Changes in the observed energy distributions with incident rate and detector-electronics-formed pulse shape then occur. We focus on weak high energy tails in X-ray spectra, important for measurements on partially ionized, warm (50–500 eV average electron energy), pure hydrogen plasma. A first-principles two-photon pulse-pile-up model is derived specific to trapezoidal-shaped pulses; quantitative agreement is found between the measurements and the model’s predictions. The model is then used to diagnose pulse-pile-up tail artifacts and mitigate them in relatively low count-rate spectra.https://www.mdpi.com/2571-6182/6/1/6X-raypulse pile upenergy analyzersplasma2-photondead time |
| spellingShingle | Taosif. Ahsan Charles P. S. Swanson Chris Galea Sangeeta P. Vinoth Tony Qian Tal Rubin Samuel A. Cohen Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra Plasma X-ray pulse pile up energy analyzers plasma 2-photon dead time |
| title | Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra |
| title_full | Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra |
| title_fullStr | Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra |
| title_full_unstemmed | Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra |
| title_short | Analysis and Mitigation of Pulse-Pile-Up Artifacts in Plasma Pulse-Height X-ray Spectra |
| title_sort | analysis and mitigation of pulse pile up artifacts in plasma pulse height x ray spectra |
| topic | X-ray pulse pile up energy analyzers plasma 2-photon dead time |
| url | https://www.mdpi.com/2571-6182/6/1/6 |
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