Tag: Physics briefings
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CMS delivers the best-precision measurement of the W boson mass at the LHC
In an extraordinary feat of precision physics, CMS measures the mass of the W boson, and finds it to be in good agreement with the prediction by the Standard Model of particle physics.
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Hidden signals of new physics in events with a high energy lepton pair
A primary goal of the Large Hadron Collider (LHC) is to hunt for evidence of beyond the Standard Model (BSM) dynamics through deviations from the Standard Model (SM) predictions.
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Artificial neural networks in search for excited tops
With the discovery of the Higgs boson in 2012, an important piece in our puzzle to understand the Universe was found.
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Exploring new frontiers: Searching for a heavy Higgs boson decaying to four leptons
The Higgs boson is a fascinating elementary particle, and its discovery twelve years ago cemented the standard model (SM) of particle physics as the most accurate description of nature at and below the electroweak energy scale.
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Journey through the Quark Gluon Plasma
At the LHC, lead ions are smashed together at extremely high speeds to create a unique state of matter called the quark gluon plasma.
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Testing universality – particle equality at stake
In the world of elementary particles, there are twelve generic types of fermions (spin ½ particles): 3 up-type quarks, 3 down-type quarks, 3 charged leptons, and 3 neutrinos.
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Combining clues to solve the Higgs boson mystery
Since the discovery of the Higgs boson in 2012, scientists have been on an epic quest to measure its properties and hunt for any clues that might reveal new physics beyond the Standard Model (SM).
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Unexplored Z Boson’s pathways in decays to muons and taus
The CMS Collaboration at CERN has conducted an analysis to explore the differences between tau leptons and muons, the two heavier cousins of the electron, and both also fundamental particles in the Standard Model (SM) of particle physics.
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From the Center of the Milky Way to CMS
The term “Dark Matter” was coined in 1933 by Fritz Zwicky.
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Transforming the landscape of highly energetic Higgs boson searches
A principal goal of the LHC and its high-luminosity upgrade is measuring the Higgs boson interaction with itself.