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27 Jan 2017 | Anonymous | Detector
It might be hard to imagine what link there could be between a huge scientific machine underneath Geneva and a field of tomatoes in Lebanon but both need advanced technology to achieve their best results. Even if they seem light years apart, they...
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25 Mar 2016 | Anonymous | Detector
The LHC is back online! This morning we saw first beams splashes in the CMS experiment as the beam was threaded through the LHC full circle! "This data is already useful to understand details about the behaviour of the new CMS Trigger, and we are...
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14 Jun 2015 | Tiziano Camporesi | Detector
CMS has been taking collision data since the 13TeV startup of the LHC on 3 June. During this period, the CMS magnet has been kept off due to an issue with the cooling system, so the beams have been used to calibrate and time-in the electronics of...
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03 Jun 2015 | Anonymous | Detector
  From the CERN Press Release: Today, CERN's Large Hadron Collider (LHC) started delivering physics data for the first time in 27 months. After an almost two year shutdown and several months re-commissioning, the LHC is now providing collisions to...
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21 May 2015 | Anonymous | Detector
From the CERN website: Last night, protons collided in the Large Hadron Collider (LHC) at the record-breaking energy of 13 TeV for the first time. These test collisions were to set up systems that protect the machine and detectors from particles...
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05 May 2015 | Anonymous | Detector
At about half past nine CET this morning, for the first time since the Large Hadron Collider (LHC) started up after two years of maintenance and repairs, the accelerator delivered proton-proton collisions to the LHC experiments ALICE, ATLAS, CMS and...
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17 Mar 2014 | Erik Butz | Detector
The Tracker is a subdetector that is located closest to the collision point of the LHC’s particle beams inside the CMS detector. It must face an onslaught of billions of particles flying through it each second of operation. To mitigate the effects...
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24 Jan 2014 | Achintya Rao | Detector
CMS has many different safety systems installed in the underground experimental area. These are designed to protect the detector and all the associated electronics as well as the cavern itself. In case of fire, the last line of defence is the High...
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20 Jan 2014 | Tom Dodington | Detector
From the CMS experimental site at Cessy, France, located at Point 5 on the LHC ring ————— After a well-deserved Christmas break, work has resumed at Point 5 at an unabated pace. With an extremely busy 2013 behind us, all teams are now focusing their...
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13 Jan 2014 | David Barney | Detector
The first part of the CMS endcap calorimetry, as seen by particles coming from interactions in the centre of the detector, is the "ECAL Preshower" or "ES" for short. "ES−" and "ES+" are used to distinguish the two ends of this subsystem. The ES is...
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19 Dec 2013 | Benjamin Lutz | Detector
The central hadron calorimeter (HCAL) of CMS consists of the barrel (HB), the endcap (HE), and the outer (HO) regions. The HO consists of one or two scintillator layers and uses the metal of the magnet system as an absorber. So far, the HO has been...
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19 Dec 2013 | Stefano Colafranceschi | Detector
A fourth station –– called RE4 –– will be added to the CMS endcap muon system during the ongoing LHC Long Shutdown (LS1). The CMS muon system consists of three different sub-detectors: RPCs (Resistive Plate Chambers), DT (Drift Tubes) and CSC (...
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