The new front-end electronics for the ATLAS Tile Calorimeter Phase 2 Upgrade

Gomes, A.

doi:10.1088/1748-0221/11/02/c02015

Cited by 4 publications

(3 citation statements)

References 10 publications

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“…Due to the requirement of more than twice of the GBT link bandwidth from LAr and Tile calorimeter front-end units [18], a new transmission mode was implemented with a GTH hard block and a simpler protocol using 8b10b encoding, which is called the "FULL mode" as depicted in Figure 5. Note that FULL mode is independent of the GBT standard and is not phase synchronous with the TTC clock.…”

Section: Firmware Implementation For Higher Throughputmentioning

confidence: 99%

FELIX: The new detector readout system for the ATLAS experiment

Ryu¹

2017

J. Phys.: Conf. Ser.

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Section: Firmware Implementation For Higher Throughputmentioning

confidence: 99%

FELIX: The new detector readout system for the ATLAS experiment

Ryu¹

2017

J. Phys.: Conf. Ser.

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“…The new Phase-II readout scheme is illustarded on Figure 6. At this moment, two options are being considered for the Front-End Boards (FEB) [12]. One is based on the original design (so called 3in1) based on discrete components but with an improved dynamic range and resolution.…”

Section: Upgrades Of the Tilecalmentioning

confidence: 99%

ATLAS Calorimeter: Run 2 performance and Phase-II upgrades

Boumediene¹

2017

Proceedings of the European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2017)

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The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to 10 34 cm −2 s −1. A Liquid Argon-lead sampling (LAr) calorimeter is employed as electromagnetic and hadronic calorimeters, except in the barrel region, where a scintillator-steel sampling calorimeter (TileCal) is used as hadronic calorimeter. This presentation gives first an overview of the detector operation and data quality, as well as of the achieved performances of the ATLAS calorimetry system. Additionally the upgrade projects of the ATLAS calorimeter system for the high luminosity phase of the LHC (HL-LHC) are presented. For the HL-LHC, the instantaneous luminosity is expected to increase up to L ≃ 7.5 × 10 34 cm −2 s −1 and the average pileup up to 200 interactions per bunch crossing. The major R&D item is the upgrade of the electronics for both LAr and Tile calorimeters in order to cope with longer latencies of up to 60 µs. The expected radiation doses will exceed the qualification range of the current readout system. The status of the R&D of the lowpower ASICs (pre-amplifier, shaper, ADC, serializer and transmitters) and readout electronics for all the design options is discussed. Moreover, a High Granularity Timing Detector (HGTD) is proposed to be added in front of the LAr calorimeters in the end-cap region (2.4 < |η| < 4.2) for pileup mitigation at Level-0 trigger level and offline reconstruction. The HGTD will correlate the energy deposits in the calorimeter to different proton-proton collision vertices by using TOF information with high time resolution (30 pico-seconds per readout cell) based on the Silicon sensor technologies. The current test beam results are presented in this document as well.

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“…The front-end board (FEB) has 3 different options in development [9]. One is based on the well proven original design (3in1) with discrete off-the shelf electronics (see the scheme in Fig.…”

Section: Upgradementioning

confidence: 99%

Performance of the ATLAS Hadronic Tile Calorimeter in Run-2 and its Upgrade for the High Luminosity LHC

Solovyanov

2017

EPJ Web Conf.

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Abstract. The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tauparticles and missing transverse energy. TileCal is a scintillator-steel sampling calorimeter and it covers the region of pseudo-rapidity up to 1.7, with almost 10000 channels measuring energies ranging from ∼30 MeV to ∼2 TeV. Each stage of the signal production, from scintillation light to the signal reconstruction, is monitored and calibrated.The performance of the Tile calorimeter has been studied in-situ employing cosmic ray muons and a large sample of proton-proton collisions, acquired during the operations of the LHC. Prompt isolated muons of high momentum from electroweak bosons decays are employed to study the energy response of the calorimeter at the electromagnetic scale. The calorimeter response to hadronic particles is evaluated with a sample of isolated hadrons. The modelling of the response by the Monte Carlo simulation is discussed. The calorimeter timing calibration and resolutions are studied with a sample of multijets events. Results on the calorimeter operation and performance are presented, including the calibration, stability, absolute energy scale, uniformity and time resolution. TileCal performance satisfies the design requirements and has provided an essential contribution to physics results in ATLAS.The Large Hadron Collider (LHC) has envisaged a series of upgrades towards a High Luminosity LHC (HL-LHC), delivering five times the LHC nominal instantaneous luminosity. The ATLAS Phase II upgrade, in 2024, will accommodate the detector and data acquisition system for the HL-LHC. In particular, the Tile Calorimeter will undergo a major replacement of its on-and off-detector electronics. All signals will be digitised and then transferred directly to the off-detector electronics, where the signals will be reconstructed, stored, and sent to the first level of trigger at a rate of 40 MHz. This will provide better precision for the calorimeter signals used by the trigger system and will allow the development of more complex trigger algorithms. Changes to the electronics will also contribute to the reliability and redundancy of the system. Three different front-end options are presently being investigated for the upgrade. Results of extensive laboratory tests and with beams of the three options will be presented, as well as the latest results on the development of the power distribution and the off-detector electronics.

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The new front-end electronics for the ATLAS Tile Calorimeter Phase 2 Upgrade

Cited by 4 publications

References 10 publications

FELIX: The new detector readout system for the ATLAS experiment

FELIX: The new detector readout system for the ATLAS experiment

ATLAS Calorimeter: Run 2 performance and Phase-II upgrades

Performance of the ATLAS Hadronic Tile Calorimeter in Run-2 and its Upgrade for the High Luminosity LHC

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