The APV25 0.25 μm CMOS readout chip for the CMS tracker

Raymond, M.; French, M.; Fulcher, J.; Hall, G.; Jones, Laurence; Kloukinas, K.; Lim, Lawrence; Marseguerra, G.; Moreira, P.; Morrissey, Q.; Neviani, A.; Noah, E.

doi:10.1109/nssmic.2000.949881

Cited by 67 publications

(58 citation statements)

References 1 publication

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“…The setup has been composed of four trigger scintillators (two read-out with Silicone Photomultipliers and two with Photomultiplier tubes) and two tracking stations each consisting of two triple-GEM detectors with two-dimensional strip readout. All gaseous detectors have been operated in Ar:i-C 4 H 10 (90:10 vol%) at atmospheric pressure and were read-out with APV front-end cards [9], interfaced by the Scalable Readout System [10]. The APV chip, supplying analog output signals, allows the study of the detector tracking performance based on the charge centroid method.…”

Section: Beam Test Resultsmentioning

confidence: 99%

Performance of μ-RWELL detector vs resistivity of the resistive stage

Bencivenni¹,

Tskhadadze²,

Lener³

et al. 2018

Nuclear Instruments and Methods in Physics Research Section A:

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a b s t r a c tThe μ-RWELL is a compact spark-protected single amplification stage Micro-Pattern-Gaseous-Detector (MPGD). The detector amplification stage is realized with a polyimide structure, micro-patterned with a dense matrix of blind-holes, integrated into the readout structure. The anode is formed by a thin Diamond Like Carbon (DLC) resistive layer separated by an insulating glue layer from the readout strips. The introduction of the resistive layer strongly suppressing the transition from streamer to spark gives the possibility to achieve large gains (> 10 4 ), without significantly affecting the capability to be efficiently operated in high particle fluxes. In this work we present the results of a systematic study of the μ-RWELL performance as a function of the DLC resistivity. The tests have been performed either with collimated 5.9 keV X-rays or with pion and muon beams at the SPS Secondary Beamline H4 and H8 at CERN.

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Section: Beam Test Resultsmentioning

confidence: 99%

Performance of μ-RWELL detector vs resistivity of the resistive stage

Bencivenni¹,

Tskhadadze²,

Lener³

et al. 2018

Nuclear Instruments and Methods in Physics Research Section A:

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“…The front-end chip, the APV25 [3], has two possible read-out modes:"slow", when only the peak value of the shaping function is read, and "fast", when several signal samplings are used to deconvolute signal from different bunch crossings. Every 128 chanels are read-out by one APV25.…”

Section: Integration Proceduresmentioning

confidence: 99%

The CMS Silicon Strip Tracker: from integration to start-up

Ciulli

2008

Astroparticle, Particle and Space Physics, Detectors and Medical Physics Applications

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“…The front-end chip [18] that reads the signal from the strip detector is designed to exclude signals that occur at unwanted points in time [18]. The time of arrival of cosmic particles is, however, not known in advance; therefore the trigger electronics must establish the timing of the primary event in addition to generating a decision to trigger.…”

Section: The Finncrackmentioning

confidence: 99%

Finnish CMS-TOB cosmic rack

Maënpaä

Hæggström

Anttila

et al. 2007

Nuclear Instruments and Methods in Physics Research Section A:

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We present a cosmic rack, the FinnCRack. This device is a silicon strip detector-based telescope that measures tracks of cosmic particles. The FinnCRack is constructed using components of the Tracker Outer Barrel (TOB) of the CMS experiment at the CERN LHC. The device is part of the TOB integration and verification effort together with its sister telescope, the CERN CRack. Both CRacks mimick a six degree slice of the TOB barrel structure. The FinnCRack is intended to (a) serve as a platform for TOB software development, both analysis and online software such as run control; (b) be used for noise and cluster shape studies; (c) act as a reference tracker in detector studies; and (d) provide a testbed for track-based alignment testing and development. The construction and setup of the FinnCRack have been documented in detail-the entire chain from connecting cables to physics data analysis-and the operation guide was tested in practice. Both these actions serve the purpose of training and attracting future HEP students. We also showed that we were able to measure cosmic muon tracks. r

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The APV25 0.25 μm CMOS readout chip for the CMS tracker

Cited by 67 publications

References 1 publication

Performance of μ-RWELL detector vs resistivity of the resistive stage

Performance of μ-RWELL detector vs resistivity of the resistive stage

The CMS Silicon Strip Tracker: from integration to start-up

Finnish CMS-TOB cosmic rack

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