Experimento CMS (Compact Muon Solenoid) del CERN

​CMS stands for Compact Muon Solenoid: compact because it is “small” for its enormous weight, Muon for one of the particles it detects, and solenoid for the coil inside its huge superconducting magnet. It is a high-energy physics experiment in Cessy, France, part of the Large Hadron Collider (LHC) at CERN.

CMS is designed to see a wide range of particles and phenomena produced in high-energy collisions in the LHC. Like a cylindrical onion, different layers of detector stop and measure the different particles, and use this key data to build up a picture of events at the heart of the collision.

Scientists then use this data to search for new phenomena that will help to answer questions such as: What is the Universe really made of and what forces act within it? And what gives everything substance? CMS will also measure the properties of previously discovered particles with unprecedented precision, and be on the lookout for completely new, unpredicted phenomena.

With an international structure, more than three thousand physicists and engineers work in CMS, IFCA's contribution has been centered in the development and construction of an alignment system for the muon chambers of the detector. We have also participated in the development of a Tier-2 facility to analyze the huge amount of data produced during collisions, by means of GRID applications. The Physics channels in which our group work are: Higgs, SUSY, stop and Dark Matter, preferably with two isolated leptons in their final state. Recently we also work in the pixel upgrade for Phase2 in CMS that will start taking data in 2026. Members of our team are activily working on 3D pixel which will resist more radiation that the planar ones. 

Our involvement in responsability posts start with Prof. Teresa Rodrigo which was the chairperson of the collaboration Board of the CMS experiment. Furthemore, Dr. Celso Martínez Rivero, Dr. Luca Scodellaro, Dr. Gervasio Gómez and Dr. Iván Vila are the people responsible for the actual national projects of CMS while Prof. Francisco Matorras is the person in charge of our Tier-2 facility in the LHC Grid Computing.

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