CMS
13 Apr 2017
Yes
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CMS is one of the four particle physics experiments at the Large Hadron Collider at CERN.

Yes

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CMS is one of the four particle physics experiments at the Large Hadron Collider (LHC) at CERN.

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People at work on the CMS detector (Credit: CERN)

CMS is a particle detector designed to identify a wide range of particles and phenomena produced from high energy proton collisions at the LHC. The CMS experiment studies these collisions with the aim of better understanding particle interactions with respect to subjects such as the Higgs Boson and the origin of mass, dark matter and gravity.

The CMS experiment has been publishing physics results since the LHC began data taking in the summer of 2008. The highlight was the discovery of the Higgs boson at the same time as the ATLAS experiment in 2012.​ Now with significant Higgs boson candidates, the CMS experiment is exploring the physics properties of the Higgs boson.

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The RAL CMS PPD group has had the principal responsibility for the construction of the electromagnetic endcap calorimeter,  work on the 2015 Level-1 trigger upgrade,  and has played a major role in developing electronics and software for the CMS silicon tracker detector and in defining the CMS offline computing model. The RAL CMS PPD group is also heavily involved in the CMS upgrade for the High Luminosity LHC (HL-LHC), working on the Level-1 trigger, tracking and electromagnetic calorimeter. It will be a big challenge to read out and reconstruct events of interest during HL-LHC proton-proton collisions. Below (left) we see an illustration of the activity generated by an event in the tracking detector. This event generates hits in a tracker, illustrated below (top right), which are used to reconstruct tracks (bottom right) showing the trajectory of particles.

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The RAL CMS PPD group comprises of experimentalist, theorist and students. The physics interests of the group include top physics, exotic bosons, long-lived particles, quantum black holes, exotic signatures with a ​boosted Z boson and exotic Higgs.​



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