News

| sphicas | Collaboration
The spring joint offline and computing week was held at CERN March 25-28 (the full agenda can be found in Indico). The main theme of the week was the readiness of the CMS computing infrastructure and the CMSSW software for the 2015 startup. The…
| sshalhou | Collaboration
During the week of March 19, the CMS endcap muon upgrade passed a major milestone, with the completion of the certification of the final 36 Cathode Strip Chambers (CSC) for reinstallation on the CMS detector. The 72 chambers comprising the first…
| Anonymous | Physics
The new top-quark mass measurement is the single most precise result as yet. The mass of the top quark, the heaviest known elementary particle to-date, is one of the fundamental parameters of the Standard Model. Although the top quark mass is…
| Anonymous | Physics
CMS has improved the constraints on the Higgs width, a fundamental property of this unique new particle, by more than two orders of magnitude. Nearly two years after its discovery, there is much to learn about the Higgs boson observed by the CMS and…
| gaddi | Collaboration
At the time when the minds of a few physicists are occupied with the design of a new detector, and the first meetings take place around a coffee table with detector engineers, the subjects discussed the most are the intensity and homogeneity of the…
| sphicas | Collaboration
CMS news from the past two weeks: YB-1 wheel closed; course now set towards physics re-start Stable Cold Tracker Operation Established (aka: the Tracker is Cool!) En route to 2015: Alignment and Calibration Workshop Physics analyses approved for…
| rakness | Collaboration
The CMS control room is the heart of CMS operations, located at LHC point 5 in Cessy, France. Although the space was originally conceived to house the computing farm for the CMS Data Acquisition/High Level Trigger system, its intent was modified…
| malgeri | Physics
In the past two weeks we had the final round of approvals for Moriond EW that is taking place during the week of Mar 17-22. The results approved are: EXO-12-030: a search for pair-production of third generation scalar leptoquarks decaying to top…
| cerminar | Collaboration
A workshop on Alignment and Calibration (AlCa), organized by the PPD and DPG Coordinations, was held at CERN from the 17th to the 19th of March (https://indico.cern.ch/event/306000/). The main focus was the assessment of the needs and the plans for…
| austin | Collaboration
The last few months have seen several important objectives of the CMS LS1 programme completed, giving increasing confidence in the final outcome. In particular, the Tracker is running cold, the Phase 1 beam-pipe has passed acceptance tests at CERN…
| ebutz | 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…
| ebutz | Collaboration
After two years of planning, one year of implementation, and two million CHF worth of investments, the Tracker project has achieved its most important goal to enable the “Tracker Going Cold”. The Tracker was successfully (and safely!) operated “cold…