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Title: The DAQ system of the 12,000 channel CMS high granularity calorimeter prototype

Journal Article · · Journal of Instrumentation
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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.

Research Organization:
Texas Tech Univ., Lubbock, TX (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
CMS HGCAL Collaboration
Grant/Contract Number:
SC0015592; AC02-07CH11359; SC0010118
OSTI ID:
1825021
Alternate ID(s):
OSTI ID: 1830407; OSTI ID: 1837681
Report Number(s):
FERMILAB-PUB-21-599-CMS; arXiv:2012.03876
Journal Information:
Journal of Instrumentation, Vol. 16, Issue 04; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

References (7)

SPIROC: design and performances of a dedicated very front-end electronics for an ILC Analog Hadronic CALorimeter (AHCAL) prototype with SiPM read-out journal January 2013
A highly granular SiPM-on-tile calorimeter prototype journal January 2019
SKIROC2_CMS an ASIC for testing CMS HGCAL journal February 2017
Status report on a MicroTCA card for HCAL trigger and readout at SLHC journal December 2010
Development and testing of an upgrade to the CMS level-1 calorimeter trigger journal January 2014
IPbus: a flexible Ethernet-based control system for xTCA hardware journal February 2015
First beam tests of prototype silicon modules for the CMS High Granularity Endcap Calorimeter journal October 2018