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Results with the TOFHIR2X revision of the front-end ASIC of the CMS MTD Barrel Timing Layer

The CMS Detector will be upgraded for the High-Luminosity LHC to include a MIP Timing Detector (MTD). The MTD will consist of barrel and endcap timing layers, BTL and ETL, respectively, providing precision timing of charged particles. The BTL sensors

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d52121ed9a817e0699234aa8a636484
http://cds.cern.ch/record/2799504

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Akademický článek

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TOFHIR2: The readout ASIC of the CMS Barrel MIP Timing Detector

Autor: R. Bugalho, Michele Gallinaro, Marek Idzik, João Carlos Silva, Luis B. Oliveira, H. Franca, L. Ferramacho, M. Silveira, Rui F. Silva, R. Francisco, E. L. Albuquerque, Tomasz Fiutowski, Joao Varela, V. Dubceac, T. Niknejad, Miroslaw Firlej, Jakub Moron, Krzysztof Swientek

Publikováno v: 2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).

The CMS Detector will be upgraded for the HL-LHC to include a MIP Timing Detector (MTD). The MTD will consist of barrel and endcap timing layers, BTL and ETL respectively, providing precision timing of charged particles. The BTL sensors are based on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ef298af5f999a774645deb5da2255a2
https://doi.org/10.1109/nss/mic42677.2020.9507749

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TIGER: A front-end ASIC for timing and energy measurements with radiation detectors

Autor: W. Cheng, M. Maggiora, M. Mignone, S. Marcello, A. Di Francesco, Joao Varela, Angelo Rivetti, F. Cossio, R. Bugalho, Richard Wheadon, M. Greco, M.G. Alexeev, M. Da Rocha Rolo

A mixed-signal ASIC for timing and energy measurements with radiation detectors is described. The chip embeds 64 channels, each of which features a charge-sensitive amplifier followed by a dual-shaper coupled to low-offset discriminators. A versatile

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d833eb00bcead1bf796f7137ac01ae6
http://hdl.handle.net/11583/2730181

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Experimental characterization of the TOFPET2 ASIC

Autor: M.D. Rolo, L. Ferramacho, R. Bugalho, Joao Varela, João Carlos Silva, T. Niknejad, A. Di Francesco, Luis B. Oliveira, Stefaan Tavernier, Rui F. Silva, C. Leong, M. Silveira

Publikováno v: Journal of Instrumentation. 14:P03029-P03029

We present the experimental characterization of the TOFPET2, a readout and digitization ASIC for radiation detectors using Silicon Photomultipliers. The circuit is designed in CMOS 110 nm technology, has 64 independent channels and is optimized for t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b87e61bd123ea02bc34aa17e5c53799
https://doi.org/10.1088/1748-0221/14/03/p03029

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Detection sensitivity and light collection studies of an APD-based high packing-fraction LYSO:Ce matrix for PET applications

Autor: Catarina Ortigao, J. Varela, Jorge A. Neves, M. Rolo, Stefaan Tavernier, Carlos Zorraquino, José Luis da Conceição Silva, Rui F. Silva, R. Bugalho, Viesturs Veckalns

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 732:607-610

The ClearPEM is a dedicated APD-based PET detector for high-resolution breast cancer imaging. The detector module is composed of 12 LYSO:Ce crystal matrices, each with 4 x 8 individual crystals (2 x 2 x 20 mm(3)) optically coupled on both ends to S85

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::168ceb3617d323080ebe3199e38b7926
https://doi.org/10.1016/j.nima.2013.05.113

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Validation of a highly integrated SiPM readout system with a TOF-PET demonstrator

Autor: L. Ferramacho, R. Silva, C. Leong, Carlos Zorraquino, S. Setayeshi, R. Bugalho, T. Niknejad, M. Silveira, Joao Varela, João Carlos Silva, Stefaan Tavernier, M. Shamshirsaz, A. Di Francesco, M.D. Rolo

Publikováno v: Journal of instrumentation, ISSN 1748-0221, 2016-12-06, Vol. 11
Archivo Digital UPM
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We have developed a highly integrated, fast and compact readout electronics for Silicon Photomultiplier (SiPM) based Time of Flight Positron Emission Tomography (TOF-PET) scanners. The readout is based on the use of TOP-PET Application Specific Integ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::135be536f5c0f1db05ec5163d2d0b0c0
https://oa.upm.es/46268/

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Scatter Correction for Positron Emission Mammography using an Estimation of Trues Method Approach

Autor: Joao Varela, Francisco Caramelo, Ana Sofia Rodrigues, Pedro Almeida, Miguel Castelo-Branco, Nuno Ferreira, Catarina Ortigao, Luís Martins, Fabiana Rodrigues, R. Bugalho

Publikováno v: Procedia Technology. 5:903-911

ClearPEM is a high resolution PET scanner dedicated to breast imaging that offers good lesion detectability and localization. To obtain quantitative images, corrections need to be applied to the acquired data, but since there are no transmission sour

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae47e75a7672eae8356aa2d1c5a86475

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Automatic adjustment of a medical imaging data acquisition system to unknown delays in the input communication channels

Autor: V. Bexiga, João Paulo Teixeira, P. Lousa, J. Varela, R. Bugalho, Isabel C. Teixeira, Pedro Rodrigues, Miguel A. Ferreira, J.C.D. Silva, C. Leong

Publikováno v: Analog Integrated Circuits and Signal Processing. 70:213-227

In this article, novel FIFO and RAM-based Synchronization Modules to keep synchronism throughout the input channels of a Data Acquisition Electronics (DAE) system are proposed. DAE is a main component of a Medical Imaging System, namely, a Positron E

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::463cb6e7ce8cf9bee8dcc903fa0afc1c
https://doi.org/10.1007/s10470-011-9780-9

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