The TBPS Rings are in production, offering an innovative design to incline sensors toward the LHC beam and maximise coverage. They are the first support structures in production for the new Tracker!
As part of the CMS Hi-Lumi Tracker, construction…
News
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Detector
The first of the improved Resistive Plate Chambers for Hi-Lumi CMS were installed in record time during the LHC winter break.
The RPC Hi-Lumi CMS Project reached an important milestone at the start of 2025 by delivering the first half of its final…
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Detector
CERN and CMS engineers and technicians have installed the first two of nine required next-generation carbon dioxide (CO2) cooling plants in the underground Service Cavern of the CMS experiment in Cessy, France, as well as two of the accumulators.…
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The heavy ion Run has just concluded, marking the start of the extended year-end technical stop (EYETS). Reflecting on 2024, this year’s LHC Run exceeded expectations, delivering the highest accumulated data volume to date. In alignment with this…
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Above: Part of the BTST team during the unboxing of the tube. (Image: Noor Abduljalil J Abdulla)
In a massive step toward CMS’ High-Luminosity era detector, a key component of the build has arrived at the CERN laboratories.
CMS has received a…
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CMS develops and deploys a new machine-learning technique based on neural networks that is able to spot existing and developing anomalies in the functioning of the detector.
In the quest to uncover the fundamental particles and forces of nature, one…
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Detector
How to manage large amounts of data without losing any interesting ones? The selection of data concerning particle collisions in the LHC is critical since it will determine all the resulting analyses. This is the decisive work of a novel scouting…
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Detector
The first wafers of the CMS Read Out Chip (CROC) for the High Luminosity Pixel detector have been produced and tested, marking a major milestone for the next generation CMS Tracker.
Each silicon wafer contains 136 chips that are built to withstand…
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How an evacuation of the CMS experimental cavern has provided invaluable human behaviour data to improve the emergency preparedness for complex underground facilities.
CERN and CMS strive for excellence in safety matters, with a commitment to…
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Detector
Above: Test bench for time resolution measurement of LYSO arrays coupled with SiPMs
In the last few weeks, the first batch of Ce:LYSO crystals, a type of scintillating crystals, has been delivered to the Sapienza University of Rome ready for…
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Detector
Welcome back to the mini-series about waking up the CMS detector after the YETS - Year End Technical Shutdown. As spring approaches, it is time to turn all parts of the CMS detector back on and make sure everything is functioning smoothly for…
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Detector
In the same way that loud background noise does not allow us to listen to a conversation or appreciate a piece of music, so too the CMS detector needs a quiet environment to optimize data taking and analysis.
New shielding has been…