Since September 2018, Roberto Carlin has led the around 4,000 people - scientists, engineers, and technicians from all over the world - engaged in the CMS collaboration. The latter is one of the four big experiments of CERN’s LHC accelerator and was key to the Higgs boson discovery, along with ATLAS, in 2012. Since 2018, in addition to characterising the particles produced in the LHC, especially the Higgs boson, the collaboration has been dedicated to the development of the experiment upgrade. This is being done in view of the next, post-LHC phase, which will see the start of the High Luminosity LHC (HiLumi LHC) in 2027, the high-luminosity successor to the accelerator, which is currently in development. Weighing 14 tonnes, measuring 21 metres in length and 15 in diameter, CMS represents, together with ATLAS, one of the two big general purpose experiments dedicated to studying all the events produced in the collisions between the proton beams in LHC. The detector, which is cylindrical, is located at a depth of 100 metres along the LHC path and has a structure of concentric layers that enables the identification and measurement of the physical characteristics of the different particles produced: from the very accurate measurement of the traces of charged particles observed in the innermost part of the detector; to the measurement of their energy in the surrounding calorimeters; to the identification of the more evasive particles, the muons, detected in the outermost layer of the detector. Roberto Carlin started his scientific work in the early 1980s at CERN and at the INFN Frascati National Laboratories, later spending a long period in the DESY laboratory in Hamburg, where he worked on the ZEUS experiment, for which he was vice-spokesperson. Member of CMS since 2005, he contributed to the installation and starting-up of the muon detector, and to the management of the first phases of data acquisition. He was, in addition, coordinator of the CMS trigger and vice-spokesperson for the collaboration. Elected spokesperson in September 2018, Roberto Carlin will complete his term in August 2020.
From its inception, in 2008, the performance of the LHC has increased to the point of placing an unprecedented challenge before the experiments, in terms of the quantity of data produced by the LHC collisions. How have you approached this? It’s true, LHC is much higher-performing than expected, both in terms of luminosity and in terms of efficiency, and it is an excellent thing because it provides experiments ...
The international collaboration of the LHCb experiment that operates at CERN’s LHC accelerator published, on 1 July, on arXiv a study on the first observation of a particle composed of four charm quarks. The results constitute an important step forward in understanding how quarks bind via strong nuclear interactions inside the composite particles, known as hadrons. Protons and neutrons, the constituents of atomic nuclei, also belong to ...
The two MAGIC high-energy gamma-ray telescopes, operating at the “Roque de los Muchachos” Observatory on La Palma in the Canary Islands, detected, for the first time, a gamma ray burst (GRB) at very high energies and with an intensity never before observed from this type of cosmic object. The high radiation flow enabled scientists of the collaboration to verify the ...
More than 20,000 masks analysed and certified in 3 months, 250 requests to test materials destined for the production of PPE (Personal Protective Equipment) by Italian companies, of which about 40% come from SMEs in Southern Italy. These are the key numbers from the Anti_Covid-Lab, the laboratory set up during the lockdown by the University of Catania and the INFN Southern National Laboratories to check the functional qualities of fabrics destined for the manufacture of masks and other PPE to prevent contagion during the CoViD-19 crisis. Established very quickly within the BRIT (Bio-nanotech Research and Innovation Tower) services centre of the University of Catania, the Anti_Covid-Lab was created with a very clear and urgent objective: providing high-quality technical-scientific assistance to Italian businesses that wished to convert part of their supply chain to producing masks and other medical devices according to the standards set forth in the current law. ...
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Eleonora Cossi, Francesca Mazzotta, Francesca Scianitti, Antonella Varaschin
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