Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment

Antonio Fernandez Prieto; Pablo Vazquez Regueiro; Karol Hennessy; Jan Buytaert; Martin Van Beuzekom; Edgar Lemos Cid; Lars Eklund; Kristof De Bruyn; Sneha Naik; Manuel Schiller; Donal Murray; Alexander Leflat; Oscar Boente Garcia; Abraham Gallas Torreira; Beatriz Garcia Plana; Themis Bowcock; Francesco Dettori; Karlis Dreimanis; Vinicius Franco Lima; David Hutchcroft; Kurt Rinnert; Tara Shears; Oscar Augusto; Victor Coco; Paula Collins; Tim Evans; Massi Ferro-Luzzi; Wolfgang Funk; Heinrich Schindler; Kazu Akiba; Elena Dall'occo; Cristina Sanchez Graz; Wouter Hulsbergen; Daniel Hynds; Igor Kostiuk; Marcel Merk; Aleksandra Snoch; Dana Seman Bobulska; Silvia Borghi; Stefano De Capua; Deepanwita Dutta; Marco Gersabeck; Chris Parkes; Peter Svihra; Mark Williams; Galina Bogdanova; Vladimir Volkov; Pawel Kopciewicz; MacIej Majewski; Agnieszka Oblakowska-Mucha; Bartlomej Rachwal; Tomasz Szumlak; Lucas Meyer Garcia; Franciole Marinho; Larissa Helena Mendes; Irina Nasteva; Juan Otalora; Gabriel Rodrigues; Jaap Velthuis; Pawel Jalocha; Malcolm John; Nathan Jurik; Luke Scantlebury-Smead; John Back; Tim Gershon; Tom Latham; Andrew Morris

doi:10.1109/TNS.2020.2970534

Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment

Antonio Fernandez Prieto, Pablo Vazquez Regueiro, Karol Hennessy, Jan Buytaert, Martin Van Beuzekom, Edgar Lemos Cid, Lars Eklund, Kristof De Bruyn, Sneha Naik, Manuel Schiller, Donal Murray, Alexander Leflat, Oscar Boente Garcia, Abraham Gallas Torreira, Beatriz Garcia Plana, Themis Bowcock, Francesco Dettori, Karlis Dreimanis, Vinicius Franco Lima, David HutchcroftKurt Rinnert, Tara Shears, Oscar Augusto, Victor Coco, Paula Collins, Tim Evans, Massi Ferro-Luzzi, Wolfgang Funk, Heinrich Schindler, Kazu Akiba, Elena Dall'occo, Cristina Sanchez Graz, Wouter Hulsbergen, Daniel Hynds, Igor Kostiuk, Marcel Merk, Aleksandra Snoch, Dana Seman Bobulska, Silvia Borghi, Stefano De Capua, Deepanwita Dutta, Marco Gersabeck, Chris Parkes, Peter Svihra, Mark Williams, Galina Bogdanova, Vladimir Volkov, Pawel Kopciewicz, MacIej Majewski, Agnieszka Oblakowska-Mucha, Bartlomej Rachwal, Tomasz Szumlak, Lucas Meyer Garcia, Franciole Marinho, Larissa Helena Mendes, Irina Nasteva, Juan Otalora, Gabriel Rodrigues, Jaap Velthuis, Pawel Jalocha, Malcolm John, Nathan Jurik, Luke Scantlebury-Smead, John Back, Tim Gershon, Tom Latham, Andrew Morris

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

This article describes the high-speed system designed to meet the challenging requirements for the readout of the new pixel VErtex LOcator (VELO) of the upgraded LHCb experiment. All elements of the electronics readout chain will be renewed to cope with the requirement of 40-MHz full-event readout rate. The pixel sensors will be equipped with VeloPix ASICs and placed at 5 mm from the Large Hadron Collider (LHC) beams in a secondary vacuum tank in an extremely high and nonhomogeneous radiation environment. The front-end (FE) ASICs with the highest occupancy will have to cope with pixel-hit rates above 900 Mhits/s using up to four 5.13-Gb/s data readout links. Each module comprises six VeloPix ASICs, wire-bonded to two FE hybrid boards, while a third hybrid will employ a GBTx ASIC as the control interface. High-speed data will reach the wall of the vacuum chamber through low-mass flexible copper tapes. A custom board routes the signals outside the vacuum tank. On the air side, an optical and power board converts the electrical high-speed signals into optical signals for transmission from the underground cavern to the off-detector electronics that process data and send them to a farm of computers for further analysis. Several tests allowing the validation of the system are described here with special emphasis on a test with proton beams that confirms the correct operation of the whole readout hardware.

Original language	English
Article number	8976212
Pages (from-to)	732-739
Journal	IEEE Transactions on Nuclear Science
Volume	67
Issue number	4
DOIs	https://doi.org/10.1109/TNS.2020.2970534
Publication status	Published - 1 Apr 2020
Externally published	Yes

Funding

Manuscript received October 25, 2019; revised December 18, 2019 and January 16, 2020; accepted January 24, 2020. Date of publication January 30, 2020; date of current version April 16, 2020. This work was supported in part by the Spanish Government, Ministry of Science, Innovation and Universities, in part by the Ministry of Economy and Competitiveness under the Unit of Excellence María de Maeztu, and in part by the Regional Government of Galicia, IGFAE Research Center and University of Santiago de Compostela.

Funders	Funder number
Ministerio de Ciencia, Innovación y Universidades
Ministerio de Economía y Competitividad
Xunta de Galicia

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Fernandez Prieto, A., Regueiro, P. V., Hennessy, K., Buytaert, J., Van Beuzekom, M., Cid, E. L., Eklund, L., De Bruyn, K., Naik, S., Schiller, M., Murray, D., Leflat, A., Garcia, O. B., Torreira, A. G., Plana, B. G., Bowcock, T., Dettori, F., Dreimanis, K., Franco Lima, V., ... Morris, A. (2020). Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment. IEEE Transactions on Nuclear Science, 67(4), 732-739. Article 8976212. https://doi.org/10.1109/TNS.2020.2970534

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title = "Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment",

abstract = "This article describes the high-speed system designed to meet the challenging requirements for the readout of the new pixel VErtex LOcator (VELO) of the upgraded LHCb experiment. All elements of the electronics readout chain will be renewed to cope with the requirement of 40-MHz full-event readout rate. The pixel sensors will be equipped with VeloPix ASICs and placed at 5 mm from the Large Hadron Collider (LHC) beams in a secondary vacuum tank in an extremely high and nonhomogeneous radiation environment. The front-end (FE) ASICs with the highest occupancy will have to cope with pixel-hit rates above 900 Mhits/s using up to four 5.13-Gb/s data readout links. Each module comprises six VeloPix ASICs, wire-bonded to two FE hybrid boards, while a third hybrid will employ a GBTx ASIC as the control interface. High-speed data will reach the wall of the vacuum chamber through low-mass flexible copper tapes. A custom board routes the signals outside the vacuum tank. On the air side, an optical and power board converts the electrical high-speed signals into optical signals for transmission from the underground cavern to the off-detector electronics that process data and send them to a farm of computers for further analysis. Several tests allowing the validation of the system are described here with special emphasis on a test with proton beams that confirms the correct operation of the whole readout hardware.",

author = "{Fernandez Prieto}, Antonio and Regueiro, {Pablo Vazquez} and Karol Hennessy and Jan Buytaert and {Van Beuzekom}, Martin and Cid, {Edgar Lemos} and Lars Eklund and {De Bruyn}, Kristof and Sneha Naik and Manuel Schiller and Donal Murray and Alexander Leflat and Garcia, {Oscar Boente} and Torreira, {Abraham Gallas} and Plana, {Beatriz Garcia} and Themis Bowcock and Francesco Dettori and Karlis Dreimanis and {Franco Lima}, Vinicius and David Hutchcroft and Kurt Rinnert and Tara Shears and Oscar Augusto and Victor Coco and Paula Collins and Tim Evans and Massi Ferro-Luzzi and Wolfgang Funk and Heinrich Schindler and Kazu Akiba and Elena Dall'occo and {Sanchez Graz}, Cristina and Wouter Hulsbergen and Daniel Hynds and Igor Kostiuk and Marcel Merk and Aleksandra Snoch and {Seman Bobulska}, Dana and Silvia Borghi and {De Capua}, Stefano and Deepanwita Dutta and Marco Gersabeck and Chris Parkes and Peter Svihra and Mark Williams and Galina Bogdanova and Vladimir Volkov and Pawel Kopciewicz and MacIej Majewski and Agnieszka Oblakowska-Mucha and Bartlomej Rachwal and Tomasz Szumlak and {Meyer Garcia}, Lucas and Franciole Marinho and {Helena Mendes}, Larissa and Irina Nasteva and Juan Otalora and Gabriel Rodrigues and Jaap Velthuis and Pawel Jalocha and Malcolm John and Nathan Jurik and Luke Scantlebury-Smead and John Back and Tim Gershon and Tom Latham and Andrew Morris",

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Fernandez Prieto, A, Regueiro, PV, Hennessy, K, Buytaert, J, Van Beuzekom, M, Cid, EL, Eklund, L, De Bruyn, K, Naik, S, Schiller, M, Murray, D, Leflat, A, Garcia, OB, Torreira, AG, Plana, BG, Bowcock, T, Dettori, F, Dreimanis, K, Franco Lima, V, Hutchcroft, D, Rinnert, K, Shears, T, Augusto, O, Coco, V, Collins, P, Evans, T, Ferro-Luzzi, M, Funk, W, Schindler, H, Akiba, K, Dall'occo, E, Sanchez Graz, C, Hulsbergen, W, Hynds, D, Kostiuk, I, Merk, M, Snoch, A, Seman Bobulska, D, Borghi, S, De Capua, S, Dutta, D, Gersabeck, M, Parkes, C, Svihra, P, Williams, M, Bogdanova, G, Volkov, V, Kopciewicz, P, Majewski, M, Oblakowska-Mucha, A, Rachwal, B, Szumlak, T, Meyer Garcia, L, Marinho, F, Helena Mendes, L, Nasteva, I, Otalora, J, Rodrigues, G, Velthuis, J, Jalocha, P, John, M, Jurik, N, Scantlebury-Smead, L, Back, J, Gershon, T, Latham, T & Morris, A 2020, 'Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment', IEEE Transactions on Nuclear Science, vol. 67, no. 4, 8976212, pp. 732-739. https://doi.org/10.1109/TNS.2020.2970534

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T1 - Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment

AU - Fernandez Prieto, Antonio

AU - Regueiro, Pablo Vazquez

AU - Hennessy, Karol

AU - Buytaert, Jan

AU - Van Beuzekom, Martin

AU - Cid, Edgar Lemos

AU - Eklund, Lars

AU - De Bruyn, Kristof

AU - Naik, Sneha

AU - Schiller, Manuel

AU - Murray, Donal

AU - Leflat, Alexander

AU - Garcia, Oscar Boente

AU - Torreira, Abraham Gallas

AU - Plana, Beatriz Garcia

AU - Bowcock, Themis

AU - Dettori, Francesco

AU - Dreimanis, Karlis

AU - Franco Lima, Vinicius

AU - Hutchcroft, David

AU - Rinnert, Kurt

AU - Shears, Tara

AU - Augusto, Oscar

AU - Coco, Victor

AU - Collins, Paula

AU - Evans, Tim

AU - Ferro-Luzzi, Massi

AU - Funk, Wolfgang

AU - Schindler, Heinrich

AU - Akiba, Kazu

AU - Dall'occo, Elena

AU - Sanchez Graz, Cristina

AU - Hulsbergen, Wouter

AU - Hynds, Daniel

AU - Kostiuk, Igor

AU - Merk, Marcel

AU - Snoch, Aleksandra

AU - Seman Bobulska, Dana

AU - Borghi, Silvia

AU - De Capua, Stefano

AU - Dutta, Deepanwita

AU - Gersabeck, Marco

AU - Parkes, Chris

AU - Svihra, Peter

AU - Williams, Mark

AU - Bogdanova, Galina

AU - Volkov, Vladimir

AU - Kopciewicz, Pawel

AU - Majewski, MacIej

AU - Oblakowska-Mucha, Agnieszka

AU - Rachwal, Bartlomej

AU - Szumlak, Tomasz

AU - Meyer Garcia, Lucas

AU - Marinho, Franciole

AU - Helena Mendes, Larissa

AU - Nasteva, Irina

AU - Otalora, Juan

AU - Rodrigues, Gabriel

AU - Velthuis, Jaap

AU - Jalocha, Pawel

AU - John, Malcolm

AU - Jurik, Nathan

AU - Scantlebury-Smead, Luke

AU - Back, John

AU - Gershon, Tim

AU - Latham, Tom

AU - Morris, Andrew

PY - 2020/4/1

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N2 - This article describes the high-speed system designed to meet the challenging requirements for the readout of the new pixel VErtex LOcator (VELO) of the upgraded LHCb experiment. All elements of the electronics readout chain will be renewed to cope with the requirement of 40-MHz full-event readout rate. The pixel sensors will be equipped with VeloPix ASICs and placed at 5 mm from the Large Hadron Collider (LHC) beams in a secondary vacuum tank in an extremely high and nonhomogeneous radiation environment. The front-end (FE) ASICs with the highest occupancy will have to cope with pixel-hit rates above 900 Mhits/s using up to four 5.13-Gb/s data readout links. Each module comprises six VeloPix ASICs, wire-bonded to two FE hybrid boards, while a third hybrid will employ a GBTx ASIC as the control interface. High-speed data will reach the wall of the vacuum chamber through low-mass flexible copper tapes. A custom board routes the signals outside the vacuum tank. On the air side, an optical and power board converts the electrical high-speed signals into optical signals for transmission from the underground cavern to the off-detector electronics that process data and send them to a farm of computers for further analysis. Several tests allowing the validation of the system are described here with special emphasis on a test with proton beams that confirms the correct operation of the whole readout hardware.

AB - This article describes the high-speed system designed to meet the challenging requirements for the readout of the new pixel VErtex LOcator (VELO) of the upgraded LHCb experiment. All elements of the electronics readout chain will be renewed to cope with the requirement of 40-MHz full-event readout rate. The pixel sensors will be equipped with VeloPix ASICs and placed at 5 mm from the Large Hadron Collider (LHC) beams in a secondary vacuum tank in an extremely high and nonhomogeneous radiation environment. The front-end (FE) ASICs with the highest occupancy will have to cope with pixel-hit rates above 900 Mhits/s using up to four 5.13-Gb/s data readout links. Each module comprises six VeloPix ASICs, wire-bonded to two FE hybrid boards, while a third hybrid will employ a GBTx ASIC as the control interface. High-speed data will reach the wall of the vacuum chamber through low-mass flexible copper tapes. A custom board routes the signals outside the vacuum tank. On the air side, an optical and power board converts the electrical high-speed signals into optical signals for transmission from the underground cavern to the off-detector electronics that process data and send them to a farm of computers for further analysis. Several tests allowing the validation of the system are described here with special emphasis on a test with proton beams that confirms the correct operation of the whole readout hardware.

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DO - 10.1109/TNS.2020.2970534

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JF - IEEE Transactions on Nuclear Science

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ER -

Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment

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