Tag: Run 2
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Protons that do not break up at the LHC
The processes that are mostly studied at the LHC are caused by energetic collisions where the protons break up into their constituents, the quarks and gluons, which recombine to form composite hadrons.
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The Higgs Boson turns 10: Results from the CMS experiment
Exactly ten years ago, on the 4th of July 2012, the ATLAS and CMS experiments announced the discovery of a new particle compatible with the long-sought Higgs boson.
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In a detector far, far away: searching for elusive long-lived travellers by tracing pairs of muons
A search for long-lived particles decaying into two muons has been performed by the CMS collaboration. Many scenarios of beyond standard model physics envisage such a possibility, whereby the exotic particles, travel before decaying, a considerable distance which can range from few microns to several kilometres depending on detailed properties. The striking experimental signature of…
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CMS celebrates the end of LHC Run 2
On Sunday 2nd December CMS recorded the last collisions to bring to a close a very successful LHC second running period (Run 2) that began in 2015. LHC has delivered to CMS 68 fb -1 of proton-proton collisions and almost 1.8 nb-1 of Pb-Pb collisions in 2018, and more than 160 fb-1 overall of proton-proton…
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CMS celebrates the end of LHC Run 2
On Sunday 2nd December CMS recorded the last collisions to bring to a close a very successful LHC second running period (Run 2) that began in 2015. LHC has delivered to CMS 68 fb -1 of proton-proton collisions and almost 1.8 nb-1 of Pb-Pb collisions in 2018, and more than 160 fb-1 overall of proton-proton…
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CMS celebrates the end of LHC Run 2
On Sunday 2nd December CMS recorded the last collisions to bring to a close a very successful LHC second running period (Run 2) that began in 2015. LHC has delivered to CMS 68 fb -1 of proton-proton collisions and almost 1.8 nb-1 of Pb-Pb collisions in 2018, and more than 160 fb-1 overall of proton-proton…
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CMS is never idle
CMS is eager to see the first collisions of the LHC Run2. The recent news that the LHC restart may be delayed because of a hardware issue gives us extra time to prepare for those collisions.
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Opening up the tau cone in search for new particles
CMS sees evidence of the Upsilon meson decaying into two tau leptons for the first time at a hadron collider Beyond our best current understanding of particle physics, encapsulated in the standard model, various theoretical models predict the existence of additional particles–including new scalar bosons–which could help explain mysteries such as dark matter or the…