A compact, high resolution tracker for cosmic ray muon scattering tomography using semiconductor sensors

Keizer, F.; Gorbatch, A.; Parker, M. A.; Steer, C.; Wotton, S. A.

doi:10.1088/1748-0221/13/10/p10028

Cited by 9 publications

(10 citation statements)

References 16 publications

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“…14). These were originally developed for a test system of the LHCb RICH upgrade at Cambridge University and were later used for cosmic muon tomography with eight spare SCT modules [27].…”

Section: B Module Selection and Quality Assurancementioning

confidence: 99%

Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC

Ariga¹,

Ariga²,

Boyd³

et al. 2018

Preprint

147

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“…14). These were originally developed for a test system of the LHCb RICH upgrade at Cambridge University and were later used for cosmic muon tomography with eight spare SCT modules [27].…”

Section: B Module Selection and Quality Assurancementioning

confidence: 99%

Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC

Ariga¹,

Ariga²,

Boyd³

et al. 2018

Preprint

147

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“…The prompt (emitted without time delay) Cherenkov radiation and focusing geometry of the RICH detectors results in an excellent intrinsic time resolution. The signal from a single proton-proton interaction fits within a window of 50 ps in RICH 1 and 500 ps in RICH 2 [7]. The larger time for RICH 2 is explained by the size and position of the detector.…”

Section: Using Timing For Background Reductionmentioning

confidence: 94%

The upgrade of the LHCb RICH system for the LHC Run 3

2020

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LHCb experiment have provided particle identification with excellent performance during Runs 1 and 2 of the LHC. Currently the LHCb experiment is undergoing an upgrade to allow, starting from 2021, data collection at 5 times the instantaneous luminosity of the period 2010-2019 (up to 2 × 10 33 cm −2 s −2 ) with the aim to collect a data sample corresponding to 50 fb −1 . The required upgrades to detectors and electronics are significant, with the RICH system changing all of the photon detectors and a full replacement of the upstream RICH detector. The existing Hybrid Photon Detectors (HPD) are being replaced by two types of Multi-Anode Photomultiplier Tubes (MaPMT) with electronics capable of recording data at the full LHC collision frequency of 40 MHz using a time gate of 6 ns. The required 3072 MaPMTs have undergone detailed characterisation, measuring gain and uniformity across channels and the photo-cathode quantum efficiency on a smaller sample. The status of the project will be presented.

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“…With timing information, it is possible to select photon signals in a well-defined ToA interval and reduce out-of-time background by applying a time gate to the front-end electronics. The FPGA in the read-out system samples the CLARO signals at 320 MHz and applies the time gate to a specific input pattern [7]. Beam tests at the CERN SPS have shown that using a time gate of 6.25 ns can increase the signal-to-noise ratio by a factor of three to four, thus improving the performance of the RICH pattern recognition algorithms.…”

Section: Timing For Background Reductionmentioning

confidence: 99%

Commissioning of the upgraded RICH system at the LHCb experiment

Okamura

2022

J. Inst.

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The Ring-Imaging Cherenkov (RICH) system is an essential element of the LHCb experiment: it consists of an upstream detector (RICH 1), located close to the interaction point, and a downstream detector (RICH 2), placed after the tracking system and has the task of identifying charged hadrons over the momentum range 2–100 GeV/c. Currently, the LHCb experiment is completing an upgrade phase to allow data collection at a five-fold increase in instantaneous luminosity up to 2 × 1033 cm−2 s−1 and read out data at a rate of 40 MHz. The challenges of the higher luminosity are a significant increase in detector occupancy and a larger radiation dose. To match the new experimental requirements, both RICH detectors have been upgraded with a redesigned opto-electronic chain and new photon detectors. In addition, RICH 1 has a modified layout with new mechanics and spherical mirrors to reduce the maximum occupancy. A summary of the upgrade program and the current status of the commissioning operations will be presented.

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A compact, high resolution tracker for cosmic ray muon scattering tomography using semiconductor sensors

Cited by 9 publications

References 16 publications

Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC

Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC

The upgrade of the LHCb RICH system for the LHC Run 3

Commissioning of the upgraded RICH system at the LHCb experiment

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