First Beam Test of UT Sensors with the SALT 3.0 Readout ASIC

Artuso, M.; Blusk, S.; Ely, S.; Kim, K.; Li, Z.; Rudolph, M. S.; Stone, S.; Wang, J.; Wilkinson, M.

doi:10.2172/1568842

Cited by 3 publications

(5 citation statements)

References 5 publications

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“…A final test beam run [77] was conducted which successfully demonstrated the performance of a Type-A sensor with SALT v3.0 128-channel readout chips. The most relevant results are shown in figure 38.…”

Section: Test Beam Resultsmentioning

confidence: 99%

The LHCb Upgrade I

Aaij,

Abdelmotteleb,

Abellan Beteta

et al. 2024

J. Inst.

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The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. Readout of all detectors into an all-software trigger is central to the new design, facilitating the reconstruction of events at the maximum LHC interaction rate, and their selection in real time. The experiment's tracking system has been completely upgraded with a new pixel vertex detector, a silicon tracker upstream of the dipole magnet and three scintillating fibre tracking stations downstream of the magnet. The whole photon detection system of the RICH detectors has been renewed and the readout electronics of the calorimeter and muon systems have been fully overhauled. The first stage of the all-software trigger is implemented on a GPU farm. The output of the trigger provides a combination of totally reconstructed physics objects, such as tracks and vertices, ready for final analysis, and of entire events which need further offline reprocessing. This scheme required a complete revision of the computing model and rewriting of the experiment's software.

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Section: Test Beam Resultsmentioning

confidence: 99%

The LHCb Upgrade I

Aaij,

Abdelmotteleb,

Abellan Beteta

et al. 2024

J. Inst.

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“…These features are shown in Figure 2. Non-irradiated and irradiated sensors implementing them were tested with beam and no significant degradation of the signal-to-noise ratio was observed above the depletion voltage [2,3].…”

Section: Sensorsmentioning

confidence: 99%

Upstream Tracker - The silicon strip tracking detector for the LHCb Upgrade

Carli¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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LHC is currently undergoing a major upgrade. New tracking detectors will be installed to improve tracking performance and to allow taking data at higher instantaneous luminosity than in previous runs. Front-end readout electronics of all subsystems is being replaced by boards with readout at collision frequency of 40 MHz. That will allow application of software-only trigger and prompt data analysis techniques. The Upstream Tracker (UT) will be located in the fringe field in front of the LHCb spectrometer magnet and will be composed of four layers of silicon strip sensors. Custom hybrid flexible circuits and front-end readout chip, SALT, were developed for powering and processing measured signals and to transfer them to the near-detector electronics. This contribution describes the design of UT components, their novel features and detector performance measured during system tests. The current status of installation and commissioning plans are also given.

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“…3b. An extensive test beam campaign has demonstrated that these features perform well, even after irradiation to the maximum fluences expected [4,5,6,7].…”

Section: Ut Componentsmentioning

confidence: 99%

“…The combined sensor and SALT modules have been validated at a beam test conducted at Fermilab in March 2019 [7]. An unirradiated Type A sensor and a Type B sensor irradiated to a fluence of 6.2 × 10 13 1MeVneutron equivalent/cm 2 (more than twice the expected fluence at endof-life) were tested using SALT v3 ASICs.…”

Section: Ut System Testsmentioning

confidence: 99%

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The LHCb Upstream Tracker Upgrade

Rudolph¹

2020

Proceedings of the 28th International Workshop on Vertex Detectors — PoS(Vertex2019)

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The LHCb experiment is a forward spectrometer at the Large Hadron Collider designed to study the decays of beauty and charm hadrons. During the recently concluded data taking, it produced a vast amount of data, in flavor physics and in additional physics topics that take advantage of the forward acceptance of the LHCb experiment. In the LHC's second long shutdown, a major upgrade of the LHCb detector is being installed and commissioned. The upgraded detector will take data at higher luminosity and will implement a flexible software trigger that requires all the detector components to push out their information at 40 MHz. The Upstream Tracker is a new silicon strip detector placed upstream of the LHCb bending magnet, composed of four planes of silicon microstrip detectors mounted on both sides of vertical structures called staves, providing mechanical support and CO 2 evaporative cooling. Four different silicon sensor designs are used to handle the varying occupancy over the detector acceptance. A dedicated front-end ASIC, the SALT chip, provides pulse shaping with fast baseline restoration, digitization via 6-bit ADCs, and digital signal processing providing pedestal and common-mode noise subtraction as well as zerosuppression. Near detector electronics implements the transformation to optical signals that are transmitted to the remote data acquisition system and regulates low-voltage power distribution. In this contribution, the performance of the individual detector components is reviewed, with particular emphasis on studies of the sensor-SALT hybrid modules and instrumented staves.

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First Beam Test of UT Sensors with the SALT 3.0 Readout ASIC

Cited by 3 publications

References 5 publications

The LHCb Upgrade I

The LHCb Upgrade I

Upstream Tracker - The silicon strip tracking detector for the LHCb Upgrade

The LHCb Upstream Tracker Upgrade

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