Particle Physics Division

Institute of Research into the Fundamental Laws of the Universe

Dec 27, 2009

Excellent winter collisions for CMS

Figure 1. The first proton-proton collision event, seen in cross-section through the CMS detector.

Since the restart of the LHC on 20 November, CMS has taken advantage of the excellent operating performance of the collider to record a large amount of useful data. This is now being used to check its correct operation and calibration. During this period, CMS has demonstrated the stability of the detectors' working conditions as well as the efficiency of the data analysis system, which sends data from the detector to analysis teams around the world, and this in spite of very rapidly changing beam conditions.

#2769 - Last update : 03/15 2010

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