Autor: Otfinowski, Piotr - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Digital subpixel algorithm for small pixel photon counting devices
Autorzy:: Krzyżanowska, Aleksandra
Otfinowski, Piotr
Tematy:: charge sharing
subpixel algorithm
hybrid pixel detectors
photon counting; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Powiązania:: https://bibliotekanauki.pl/articles/59112868.pdf Link otwiera się w nowym oknie
Opis:: Hybrid pixel detectors are segmented devices widely used for photon detection. They consist of a sensor and readout electronics bonded together. Due to their hybrid structure, sensors of different materials can be used to register a wide range of photon energies. Moreover, the devices working in a single photon counting (SPC) mode allow registering each incoming photon separately, providing noiseless imaging. The spatial resolution of the detectors and photon count rate registered per unit area can be improved by reducing pixel size. However, small-pixel devices suffer from charge sharing. The charge sharing between pixels can be observed if the charge cloud generated in the photon-sensor event spreads due to diffusion and repulsion. Several anti-charge-sharing algorithms exist and some have been successfully implemented inside the ASICs readout. Even though they allow the allocation of the event to the proper pixel and reconstruction of the total photon energy, the detector resolution is limited by the readout channel area which must be large enough to fit the complex mixed-mode functionality. The article presents the simulations of an alternative solution which can improve both spatial resolution and high-count-rate performance. In the authors’ approach, charge sharing is regarded as a positive effect which can be used to estimate the photon interaction position with subpixel resolution. The algorithm is evaluated to improve detection efficiency and required pixel area for implementation in deep submicron technologies.
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Performance of the prototype Silicon Tracking System of the CBM experiment tested with heavy-ion beams at SIS18
Autorzy:: Löchner, S.
Gil, Damian
Al-Turany, M.
Lubynets, O.
Kłeczek, R.
Kyva, V.
Kedych, V.
Schiaua, C.
Kisel, I.
Elizarov, I.
Luo, X.
Pietraszko, J.
Vasylyev, O.
Panasenko, I.
Jipa, A.
Feng, S.
Lorenz, M.
Reiter, S.P.
Gutiérrez Menéndez, D.
Berendes, R.
Nickels, F.
Ristea, O.
Teklishyn, M.
Senger, P.
Herrmann, N.
Marin Garcia, A.M.
Traxler, M.
Sun, K.
Zhou, W.
Visinka, R.
Schünemann, K.
Nabroth, M.
Maragoto Rodríguez, O.
Bercuci, A.
Kliemt, R.
Goldenbaum, F.
Semeniuk, P.
de Cuveland, J.
Selyuzhenkov, I.
Deshmukh, A.A.
Csanád, M.
Keshelashvili, I.
Keller, O.
Petriş, M.
Momot, I.
Becker, M.
Dubla, A.
Zabołotny, W.
Kiš, M.
Sambyal, S.S.
Höhne, C.
Bâsceanu, V.A.
Płaneta, Roman
Sahu, S.K.
Pugatch, V.
Arnoldi-Meadows, B.
Okropiridze, D.
Zhu, X.
Müller, W.F.J.
Galatyuk, T.
Mehta, S.
Taylor, J.
Plujko, V.
Rodríguez Garces, D.
Becker, J.
Zbroszczyk, H.P.
Gupta, A.
Feier-Riesen, C.
Puntke, A.
Mallick, B.
Pugach, M.
Heine, N.
Ghosh, S.K.
Frühauf, J.
Rustamov, A.
Povar, T.
Cherif, H.
Azmi, M.D.
Sefzick, T.
Kozlov, G.
Ritman, J.
Schmidt, C.J.
Gope, S.
Weidenkaff, P.
Nandy, E.
Munkes, P.
Ramírez Zaldivar, D.A.
Han, D.
Deppner, I.
Bhaduri, P.P.
Roether, F.
Schmidt, H.R.
Rost, A.
Greve, N.
Sen, A.
Lasko, Paweł
Mao, Y.
Zischka, G.
Hofman, O.
Yin, Z.
Kohn, M.
Mithran, A.
Dürr, M.
Sahoo, R.
Michel, J.
Söhngen, Y.
Flemming, H.
Linz, F.J.
Cãlin, M.
Staszel, Paweł
Lalik, Rafał
Suddia, O.
Thaufelder, J.
Wang, K.
Wintz, P.
Chaloupka, P.
Samal, S.
Sturm, C.
Yao, M.
Clerkin, E.
Matejcek, F.A.
Xu, H.
Sharma, A.
Blank, T.
Markert, J.
Zhang, X.
Toia, A.
Poźniak, K.
Ahrens, L.J.
Bertini, D.
Bonaventura, D.
Messchendorp, J.
Pauly, C.
Bhat, S.A.
Chattopadhyay, S.
Shiroya, M.
Schledt, D.
Simons, C.
Lymanets, A.
Klein-Bösing, Ch.
Petrovici, M.
Zhou, Y.
Peter, S.
Kasiński, K.
Lazanu, I.
Scharmann, K.
Frankenfeld, U.
Lakos, R.
Vassiliev, I.
Golinka-Bezshyyko, L.
Miskowiec, D.
Prasad, S.K.
Hoffmann, F.
Sidorenko, V.
Taka, E.D.
Thau, S.N.
Dvořák, R.
Unger, K.L.
Wu, K.
Andronic, A.
Zheng, S.
Wielanek, D.
Gorbunov, S.
Shi, S.
Chakrabarti, A.
Stockmanns, T.
Dahm, P.
Yang, J.
Majka, Zbigniew
Peña Rodríguez, J.
Lavrik, E.
Santos Marrero, K.
Jin, Y.
Das, S.
Loizeau, P.-A.
Pfeifer, D.
Deveaux, M.
Bertini, O.
Zumbruch, P.
Bhattacharyya, A.
Wyżykowski, A.
Friese, V.
Sahu, P.K.
Biswas, S.
Janson, T.
Singh, R.
Petráček, V.
Chernyshenko, S.
Ismail, K.
Romaniuk, R.
Koczoń, P.
Kshyvanskyi, O.
Radulescu, L.
Kumar, L.
Matulewicz, T.
Li, Y.
Neuhaus, S.
Mahajan, S.
Heuser, J.M.
Singh, B.K.
Kruszewski, M.
Bhasin, A.
Moreira de Godoy Willems, D.
Yang, R.
Smith, D.
Daribayeva, A.
Bhowmik, N.K.
Redelbach, A.
Koch, K.
Diehl, J.
Bajdel, M.
Appelshäuser, H.
Bhattacharjee, B.
Sharma, P.K.
Ghosh, C.
Spicker, D.
Förtsch, J.
Alam, N.
Beyer, M.
Li, S.
Koziel, M.
Otfinowski, P.
Zharko, S.
Simon, F.
Wolf, Gy.
Han, J.
Singh, O.
Leung, Y.H.
Zhou, D.
Bezshyyko, O.
Blume, C.
Stroth, J.
Gutsche, B.
Huang, Y.
Darwish, H.
Podgornov, N.
Wahmes, L.
Wilms, A.
Faber, L.J.
Fröhlich, I.
Soból, Bartosz
Wieloch, Andrzej
Deppe, H.
Trębacz, L.
Kovalchuk, O.
Kugler, A.
Kollarczyk, J.
Fidorra, F.
Roy, A.
Schintke, F.
Mandal, S.
Kampert, K.-H.
Szczygieł, R.
Gangopadhyay, G.
Brzychczyk, Janusz
Holzmann, R.
Bhat, W.A.
Li, W.
Penek, Ö.
Agarwal, K.
Rodríguez Rodríguez, A.
Sun, Y.
Subramanya, G.S.
Deară, D.-A.
Singhal, V.
Hesounová, H.
Ahammed, Z.
Trifonova, E.
Foka, P.
Pan, L.
Liu, F.
Artur, B.
Bluhme, N.
Kapell, R.M.
Weiglhofer, F.
Nerling, F.
Nayak, S.R.
Fischer, P.
Andary, J.
Sun, Z.
Ahmad, N.
Agarwal, A.
Wojtkowski, M.
Emschermann, D.
Kumar, A.
Volkova, E.
Roy, S.
Kadenko, I.
Saini, J.
Senger, A.
Tyagi, O.
Wu, Q.
Singh, A.K.
Raha, S.
Yoo, I.
Wessels, J.P.
Meyer-Ahrens, A.
Piasecki, K.
Boccarella, G.
Dubey, A.K.
Kresan, D.
Mir, M.F.
Collazo Sánchez, L.M.
Bandyopadhyay, A.
Gläßel, S.
Opíchal, A.
Caselle, M.
Sharma, A.K.
Kähler, P.
Zubrzycka, W.
Balzer, M.
Das, R.
Eschke, J.
Kubiak, B.
Uhlig, F.
Bhat, T.A.
Ray, R.
Twarowska, A.
Wang, Y.
Lindenstruth, V.
Pluta, J.
Subramani, P.
Dobishuk, V.
Grzonka, D.
Hutter, D.
Kim, S.
Karabowicz, R.
Krüger, W.
Müntz, C.
Mohanty, B.
Belousov, A.
Seck, F.-J.
Khan, M.M.
Kashyap, V.K.S.
Salabura, Piotr
Gasik, P.
Rubio, E.
Reinefeld, A.
Lehnert, J.
Opis:: The Compressed Baryonic Matter (CBM) experiment at the future Facility for Antiproton and Ion Research (FAIR) is a heavy-ion experiment designed to study nuclear matter at the highest baryonic density. For high-statistics measurements of rare probes, collision rates of up to 10 MHz are targeted. The experiment, therefore, requires fast and radiation-hard detectors, self-triggered detector front-ends, free-streaming readout architecture, and online event reconstruction. The Silicon Tracking System (STS) is the main tracking detector of CBM, designed to reconstruct the trajectories of charged particles with efficiency larger than 95%, a relative momentum uncertainty better than 2% for particle momenta larger than 1 GeV/c inside a 1 Tm magnetic field, and to identify complex decay topologies. It comprises 876 double-sided silicon strip modules arranged in 8 tracking stations. A prototype of this detector, consisting of 12 modules arranged in three tracking stations, is installed in the mini-CBM demonstrator. This experimental setup is a small-scale precursor to the full CBM detector, composed of sub-units of all major CBM systems installed on the SIS18 beamline. In various beam campaigns taken between 2021 and 2024, heavy ion collisions at 1–2 AGeV with an average collision rate of 500 kHz have been recorded. This allows for the evaluation of the operational performance of the STS detector, including signal-to-noise ratio, charge distribution, time and position resolution, hit reconstruction efficiency, and its potential for track and vertex reconstruction.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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