Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance
The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals de...
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| Autor*in: |
Sharma Neha Gupta [verfasserIn] Silarski Michał [verfasserIn] Bednarski Tomasz [verfasserIn] Białas Piotr [verfasserIn] Czerwiński Eryk [verfasserIn] Gajos Aleksander [verfasserIn] Gorgol Marek [verfasserIn] Jasińska Bożena [verfasserIn] Kamińska Daria [verfasserIn] Kapłon Łukasz [verfasserIn] Korcyl Grzegorz [verfasserIn] Kowalski Paweł [verfasserIn] Kozik Tomasz [verfasserIn] Krzemień Wojciech [verfasserIn] Kubicz Ewelina [verfasserIn] Niedźwiecki Szymon [verfasserIn] Pałka Marek [verfasserIn] Raczyński Lech [verfasserIn] Rudy Zbigniew [verfasserIn] Rundel Oleksandr [verfasserIn] Słomski Artur [verfasserIn] Strzelecki Adam [verfasserIn] Wieczorek Anna [verfasserIn] Wiślicki Wojciech [verfasserIn] Zieliński Marcin [verfasserIn] Zgardzińska Bożena [verfasserIn] Moskal Paweł [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Nukleonika - Sciendo, 2015, 60(2015), 4, Seite 765-769 |
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| Übergeordnetes Werk: |
volume:60 ; year:2015 ; number:4 ; pages:765-769 |
| Links: |
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| DOI / URN: |
10.1515/nuka-2015-0138 |
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| Katalog-ID: |
DOAJ018511570 |
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| 520 | |a The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. | ||
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10.1515/nuka-2015-0138 doi (DE-627)DOAJ018511570 (DE-599)DOAJ01e4bcb3a22d4b2bb861cb60b8ef70a0 DE-627 ger DE-627 rakwb eng Sharma Neha Gupta verfasserin aut Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. j-pet detector mahalanobis distance time resolution threshold levels Science Q Silarski Michał verfasserin aut Bednarski Tomasz verfasserin aut Białas Piotr verfasserin aut Czerwiński Eryk verfasserin aut Gajos Aleksander verfasserin aut Gorgol Marek verfasserin aut Jasińska Bożena verfasserin aut Kamińska Daria verfasserin aut Kapłon Łukasz verfasserin aut Korcyl Grzegorz verfasserin aut Kowalski Paweł verfasserin aut Kozik Tomasz verfasserin aut Krzemień Wojciech verfasserin aut Kubicz Ewelina verfasserin aut Niedźwiecki Szymon verfasserin aut Pałka Marek verfasserin aut Raczyński Lech verfasserin aut Rudy Zbigniew verfasserin aut Rundel Oleksandr verfasserin aut Słomski Artur verfasserin aut Strzelecki Adam verfasserin aut Wieczorek Anna verfasserin aut Wiślicki Wojciech verfasserin aut Zieliński Marcin verfasserin aut Zgardzińska Bożena verfasserin aut Moskal Paweł verfasserin aut In Nukleonika Sciendo, 2015 60(2015), 4, Seite 765-769 (DE-627)518634310 (DE-600)2253628-0 15085791 nnns volume:60 year:2015 number:4 pages:765-769 https://doi.org/10.1515/nuka-2015-0138 kostenfrei https://doaj.org/article/01e4bcb3a22d4b2bb861cb60b8ef70a0 kostenfrei https://doi.org/10.1515/nuka-2015-0138 kostenfrei https://doaj.org/toc/0029-5922 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 60 2015 4 765-769 |
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10.1515/nuka-2015-0138 doi (DE-627)DOAJ018511570 (DE-599)DOAJ01e4bcb3a22d4b2bb861cb60b8ef70a0 DE-627 ger DE-627 rakwb eng Sharma Neha Gupta verfasserin aut Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. j-pet detector mahalanobis distance time resolution threshold levels Science Q Silarski Michał verfasserin aut Bednarski Tomasz verfasserin aut Białas Piotr verfasserin aut Czerwiński Eryk verfasserin aut Gajos Aleksander verfasserin aut Gorgol Marek verfasserin aut Jasińska Bożena verfasserin aut Kamińska Daria verfasserin aut Kapłon Łukasz verfasserin aut Korcyl Grzegorz verfasserin aut Kowalski Paweł verfasserin aut Kozik Tomasz verfasserin aut Krzemień Wojciech verfasserin aut Kubicz Ewelina verfasserin aut Niedźwiecki Szymon verfasserin aut Pałka Marek verfasserin aut Raczyński Lech verfasserin aut Rudy Zbigniew verfasserin aut Rundel Oleksandr verfasserin aut Słomski Artur verfasserin aut Strzelecki Adam verfasserin aut Wieczorek Anna verfasserin aut Wiślicki Wojciech verfasserin aut Zieliński Marcin verfasserin aut Zgardzińska Bożena verfasserin aut Moskal Paweł verfasserin aut In Nukleonika Sciendo, 2015 60(2015), 4, Seite 765-769 (DE-627)518634310 (DE-600)2253628-0 15085791 nnns volume:60 year:2015 number:4 pages:765-769 https://doi.org/10.1515/nuka-2015-0138 kostenfrei https://doaj.org/article/01e4bcb3a22d4b2bb861cb60b8ef70a0 kostenfrei https://doi.org/10.1515/nuka-2015-0138 kostenfrei https://doaj.org/toc/0029-5922 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 60 2015 4 765-769 |
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10.1515/nuka-2015-0138 doi (DE-627)DOAJ018511570 (DE-599)DOAJ01e4bcb3a22d4b2bb861cb60b8ef70a0 DE-627 ger DE-627 rakwb eng Sharma Neha Gupta verfasserin aut Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. j-pet detector mahalanobis distance time resolution threshold levels Science Q Silarski Michał verfasserin aut Bednarski Tomasz verfasserin aut Białas Piotr verfasserin aut Czerwiński Eryk verfasserin aut Gajos Aleksander verfasserin aut Gorgol Marek verfasserin aut Jasińska Bożena verfasserin aut Kamińska Daria verfasserin aut Kapłon Łukasz verfasserin aut Korcyl Grzegorz verfasserin aut Kowalski Paweł verfasserin aut Kozik Tomasz verfasserin aut Krzemień Wojciech verfasserin aut Kubicz Ewelina verfasserin aut Niedźwiecki Szymon verfasserin aut Pałka Marek verfasserin aut Raczyński Lech verfasserin aut Rudy Zbigniew verfasserin aut Rundel Oleksandr verfasserin aut Słomski Artur verfasserin aut Strzelecki Adam verfasserin aut Wieczorek Anna verfasserin aut Wiślicki Wojciech verfasserin aut Zieliński Marcin verfasserin aut Zgardzińska Bożena verfasserin aut Moskal Paweł verfasserin aut In Nukleonika Sciendo, 2015 60(2015), 4, Seite 765-769 (DE-627)518634310 (DE-600)2253628-0 15085791 nnns volume:60 year:2015 number:4 pages:765-769 https://doi.org/10.1515/nuka-2015-0138 kostenfrei https://doaj.org/article/01e4bcb3a22d4b2bb861cb60b8ef70a0 kostenfrei https://doi.org/10.1515/nuka-2015-0138 kostenfrei https://doaj.org/toc/0029-5922 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 60 2015 4 765-769 |
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Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance |
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Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance |
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Sharma Neha Gupta |
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Sharma Neha Gupta Silarski Michał Bednarski Tomasz Białas Piotr Czerwiński Eryk Gajos Aleksander Gorgol Marek Jasińska Bożena Kamińska Daria Kapłon Łukasz Korcyl Grzegorz Kowalski Paweł Kozik Tomasz Krzemień Wojciech Kubicz Ewelina Niedźwiecki Szymon Pałka Marek Raczyński Lech Rudy Zbigniew Rundel Oleksandr Słomski Artur Strzelecki Adam Wieczorek Anna Wiślicki Wojciech Zieliński Marcin Zgardzińska Bożena Moskal Paweł |
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reconstruction of hit time and hit position of annihilation quanta in the j-pet detector using the mahalanobis distance |
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Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance |
| abstract |
The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. |
| abstractGer |
The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. |
| abstract_unstemmed |
The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the same time, it is a detector system that will be used for studies of the decays of positronium atoms. The shape of photomultiplier signals depends on the hit time and hit position of the gamma quantum. In order to take advantage of this fact, a dedicated sampling front-end electronics that enables to sample signals in voltage domain with the time precision of about 20 ps and novel reconstruction method based on the comparison of examined signal with the model signals stored in the library has been developed. As a measure of the similarity, we use the Mahalanobis distance. The achievable position and time resolution depend on the number and values of the threshold levels at which the signal is sampled. A reconstruction method as well as preliminary results are presented and discussed. |
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Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance |
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