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The DAQ system of the 12,000 channel CMS high granularity calorimeter prototype
on behalf of the CMS HGCAL collaboration, B. Acar3, G. Adamov2, C. Adloff33, S. Afanasiev24, N. Akchurin41, B. Akgün3,5, M. Alhusseini23, J. Alison6, G. Altopp4, M. Alyari9, S. An6, S. Anagul7, I. Andreev22, M. Andrews6, P. Aspell5, I.A. Atakisi3, O. Bach8, A. Baden28, G. Bakas34, A. Bakshi9, S. Banerjee9, P. Bargassa26, D. Barney5, E. Becheva27, P. Behera18, A. Belloni28, T. Bergauer12, M. Besancon38, S. Bhattacharya31, S. Bhattacharya39, D. Bhowmik39, P. Bloch19, A. Bodek37, G. Bombardi5, M. Bonanomi27, A. Bonnemaison27, S. Bonomally19, J. Borg19, F. Bouyjou38, D. Braga9, J. Brashear29, E. Brondolin5, P. Bryant6, J. Bueghly31, B. Bilki23, B. Burkle4, A. Butler-Nalin42, S. Callier36, D. Calvet38, X. Cao14, B. Caraway1, S. Caregari33, L. Ceard35, Y.C. Cekmecelioglu3, S. Cerci20, G. Cerminara5, N. Charitonidis5, R. Chatterjee29, Y.M. Chen28, Z. Chen31, K.y. Cheng33, S. Chernichenko15, H. Cheung9, C.H. Chien35, S. Choudhury16, D. Čoko10, G. Collura42, F. Couderc38, L. Cristella5, I. Dumanoglu7, D. Dannheim5, P. Dauncey19, A. David5, G. Davies19, E. Day6, P. DeBarbaro37, F. De Guio41, C. de La Taille36, M. De Silva8, P. Debbins23, E. Delagnes38, J.M. Deltoro5, G. Derylo9, P.G. Dias de Almeida5, D. Diaz13, P. Dinaucourt36, J. Dittmann1, M. Dragicevic12, S. Dugad40, V. Dutta42, S. Dutta39, J. Eckdahl42, T.K. Edberg28, M. El Berni36, S.C. Eno28, Yu. Ershov24, P. Everaerts19, S. Extier36, F. Fahim9, C. Fallon37, S. Fiorendi5, B.A. Fontana Santos Alves5, E. Frahm29, G. Franzoni5, J. Freeman9, T. French5, Y. Guler7, E. Gurpinar Guler7, M. Gagnan40, P. Gandhi9, S. Ganjour38, A. Garcia-Bellido37, Z. Gecse9, Y. Geerebaert27, H. Gerwig5, O. Gevin38, A. Gilbert31, W. Gilbert29, K. Gill5, C. Gingu9, S. Gninenko22, A. Golunov24, I. Golutvin24, T. Gonzalez42, N. Gorbounov24, L. Gouskos5, Y. Gu14, F. Guilloux38, E. Gülmez3, E. Hamamci3, M. Hammer9, A. Harilal6, K. Hatakeyama1, A. Heering32, V. Hegde41, U. Heintz4, V. Hinger12, N. Hinton4, J. Hirschauer9, J. Hoff9, W.S. Hou35, C. Isik7, J. Incandela42, A. Irshad5, S. Jain29, H.R. Jheng33, U. Joshi9, O. Kara7, V. Kachanov15, A. Kalinin15, R. Kameshwar40, A. Kaminskiy30, H. Kanso25, A. Karneyeu22, O. Kaya3, M. Kaya3, A. Khukhunaishvili37, J. Kieseler5, S. Kim13, K. Koetz13, T. Kolberg13, A. Kristić10, M. Krohn29, K. Krüger8, N. Kulagin15, S. Kulis5, S. Kunori41, C.M. Kuo33, V. Kuryatkov41, S. Kyre42, O.K. Köseyan23, Y. Lai28, K. Lamichhane41, G. Landsberg4, C. Lange5, J. Langford19, M.Y. Lee33, E. Leogrande5, A. Levin15, J.H. Li35, A. Li42, B. Li14, H. Liao14, D. Lincoln9, L. Linssen5, R. Lipton9, Y. Liu14, A. Lobanov27, K. Long5, R.S. Lu35, I. Lysova22, A.M. Magnan19, F. Magniette27, A.A. Maier5, A. Malakhov24, I. Mandjavize38, M. Mannelli5, J. Mans29, A. Marchioro5, A. Martelli19, P. Masterson42, B. Meng14, T. Mengke41, E. Meschi5, A. Mestvirishvili23, I. Mirza40, S. Moccia5, I. Morrissey29, T. Mudholkar6, J. Musić10, Y. Musienko32, S. Nabili28, A. Nagar42, A. Nikitenko21, D. Noonan11, M. Noy5, K. Nurdan3, C. Ochando27, B. Odegard42, N. Odell31, Y. Onel23, W. Ortez42, J. Ozegović10, S. Ozkorucuklu20, L. Pacheco-Rodriguez27, E. Paganis35, D. Pagenkopf42, V. Palladino19, S. Pandey17, F. Pantaleo5, C. Papageorgakis28, I. Papakrivopoulos34, J. Parshook6, N. Pastika1, M. Paulini6, P. Paulitsch12, T. Peltola41, R. Pereira Gomes5, H. Perkins5, P. Petiot5, M. Pierini5, F. Pitters5, F. Pitters12, H. Prosper13, M. Prvan10, I. Puljak10, S.R. Qasim5, H. Qu5, T. Quast5, R. Quinn29, M. Quinnan42, K. Rapacz5, L. Raux36, G. Reichenbach29, M. Reinecke8, M. Revering29, M. Rieger5, A. Rodriguez5, T. Romanteau27, A. Rose19, M. Rovere5, A. Roy33, P. Rubinov9, R. Rusack29, A.E. Simsek7, U. Sozbilir7, O.M. Sahin38, A. Sanchez6, R. Saradhy29, T. Sarkar33, M.A. Sarkisla3, J.B. Sauvan27, I. Schmidt23, M. Schmitt31, E. Scott19, C. Seez19, F. Sefkow8, M. Selvaggi5, S. Sharma17, I. Shein15, A. Shenai9, R. Shukla40, E. Sicking5, P. Sieberer5, Y. Sirois27, V. Smirnov24, E. Spencer4, A. Steen35, J. Strait9, T. Strebler19, N. Strobbe29, J.W. Su35, E. Sukhov24, M. Sun6, L. Sun14, D. Sunar Cerci20, A. Surkov15, C. Syal9, B. Tali7, U.G. Tok7, A. Kayis Topaksu7, C.L. Tan37, I. Tastan3, T. Tatli3, R. Thaus37, S. Tekten3, D. Thienpont36, T. Pierre-Emile27, E. Tiras23, M. Titov38, D. Tlisov22, J. Troska5, Z. Tsamalaidze2, G. Tsipolitis34, A. Tsirou5, N. Tyurin15, S. Undleeb41, D. Urbanski29, V. Ustinov24, A. Uzunian15, G.P. Van Onsem5, M. van de Klundert8, J. Varela26, M. Velasco31, T. Vergine5, M. Vicente Barreto Pinto5, P.M. da Silva5, T. Virdee19, R. Vizinho de Oliveira5, J. Voelker4, E. Voirin9, Z. Wang41, X. Wang9, F. Wang14, M. Wayne32, S.N. Webb19, M. Weinberg6, A. Whitbeck41, D. White42, R. Wickwire9, J.S. Wilson1, D. Winter5, H.Y. Wu35, L. Wu14, C. H Yeh33, R. Yohay13, D. Yu4, S.S. Yu33, G.B. Yu38, F. Yumiceva11, A. Zacharopoulou34, N. Zamiatin24, A. Zarubin24, S. Zenz19, J. Zhang13 and H. Zhang14
The CMS experiment at the CERN LHC will be upgraded to accommodate the 5-fold increase in the instantaneous luminosity expected at the High-Luminosity LHC (HL-LHC) [1]. Concomitant with this increase will be an increase in the number of interactions in each bunch crossing and a significant increase in the total ionising dose and fluence.
One part of this upgrade is the replacement of the current endcap calorimeters with a high granularity sampling calorimeter equipped with silicon sensors, designed to manage the high collision rates [2]. As part of the development of this calorimeter, a series of beam tests have been conducted with different sampling configurations using prototype segmented silicon detectors. In the most recent of these tests, conducted in late 2018 at the CERN SPS, the performance of a prototype calorimeter equipped with ≈12,000 channels of silicon sensors was studied with beams of high-energy electrons, pions and muons.
This paper describes the custom-built scalable data acquisition system that was built with readily available FPGA mezzanines and low-cost Raspberry Pi computers.
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