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09 Apr 2020 | Freya Blekman | Physics
The CMS collaboration has examined for the first time the kinematic dependence of the production of a top quark and a W boson. This gives insight into the quantum interference of top quark production at the LHC and allows more accurate background...
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02 Apr 2020 | Freya Blekman | Physics
To investigate when the Standard Model will start breaking down, the CMS Experiment looks at extremely rare collisions where the Large Hadron Collider is working as a boson-boson collider. This can teach us more about the nature of the Higgs boson...
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25 Mar 2020 | Freya Blekman | Physics
New, undiscovered charged particles could be produced by the LHC, leaving tracks in CMS that look similar to tracks from Standard Model particles. If the new particle decays to other, unseen new particles inside the CMS tracker, a very striking...
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05 Mar 2020 | Freya Blekman | Physics
Nowadays, artificial neural networks have an impact on many areas of our day-to-day lives. They are used for a wide variety of complex tasks, such as driving cars, performing speech recognition (for example, Siri, Cortana, Alexa), suggesting...
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24 Feb 2020 | Freya Blekman | Physics
At the LHC, protons do not collide one at a time. Instead, the protons are combined into bunches, packages of more than 100,000 million (1011) protons. These bunches are then pointed at each other at the four collision points of the LHC. Even when...
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17 Feb 2020 | Paul Lujan | Detector
When the LHC is sending billions of protons at each other millions of times per second, it’s important to know just how many of them actually are colliding, both so that the LHC can optimize its operations to produce the most collisions possible,...
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20 Jan 2020 | Keti Kaadze | Detector
Soon after 2027, the LHC will enter the high luminosity era, known as HL-LHC, during which it is expected to deliver about 20 times more data than delivered up the end of Run 2. In order to achieve such high luminosity, the LHC is going to use much...
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27 Dec 2019 | Federica Baldassari | Collaboration
2019 is approaching its end with it the first year of the LHC Long Shutdown 2 (LS2), a break that focuses on the upgrade and maintenance of the LHC. It’s been twelve intense months for the growing CMS collaboration that counts 53 member countries. ...
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19 Dec 2019 | Harry Prosper | Collaboration
Early one morning, residents of the Pathum Wan District of Bangkok were greeted to the rare spectacle of dozens of physicists in formal attire walking the streets of Bangkok on their way to meet Her Royal Highness Princess Maha Chakri Sirindhorn of...
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12 Dec 2019 | Francesca Cavallari | Detector
The CMS electromagnetic calorimeter (ECAL) measures the energy of electrons and photons produced in the LHC collisions with extreme precision. It includes, as main active element, 75848 scintillating crystals made of lead tungstate, a material that...
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09 Dec 2019 | Marzena Lapka | Collaboration
The 2019 edition of the International Conference on Computing in High Energy and Nuclear Physics (CHEP, chep2019.org) was held on 4–8 November in Adelaide (South Australia). The conference organizers, the University of Adelaide, welcomed over 500...
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02 Dec 2019 | Klaas Ole Padeken | Detector
The CMS detector is going through multiple maintenance works during the LHC Long Shutdown 2 (LS2), the first year of which is approaching its end. The beginning of 2019 saw the CMS Tracker Pixel detector extraction that is now stored in a clean room...
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