Atomic clocks are the world's most precise timekeepers. Based on periodic transitions between two electronic states of an atom, they can track the passage of time with a precision as high as one part in a quintillion, meaning ...
General Physics
May 25, 2023
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45
Where did all the antimatter go? After the Big Bang, matter and antimatter should have been created in equal amounts. Why we live in a universe of matter, with very little antimatter, remains a mystery. The excess of matter ...
General Physics
Apr 21, 2023
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208
Beyond fundamental research, accelerators are well known for their contribution to the medical field, especially to cancer therapy. However, they can also be used in more unexpected ways, such as for the analysis of historical ...
General Physics
Apr 21, 2023
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13
It is not only in the tunnels of CERN that we learn about the origin and composition of the universe. Look up, and space offers the most beautiful phenomena to study: black holes, dark matter, cosmic rays, etc. Studying planets, ...
Space Exploration
Apr 14, 2023
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12
When atomic nuclei such as gold or lead nuclei collide at high energy in particle colliders, they can produce quark–gluon plasma (QGP)—a hot and dense state of matter predicted to have existed shortly after the Big Bang. ...
General Physics
Apr 3, 2023
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118
Today, at the Moriond conference, the ATLAS and CMS collaborations have both presented the observation of a very rare process: the simultaneous production of four top quarks. They were observed using data from collisions ...
General Physics
Mar 24, 2023
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344
The W boson, a fundamental particle that carries the charged weak force, is the subject of a new precision measurement of its mass by the ATLAS experiment at CERN.
General Physics
Mar 23, 2023
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150
Current technology does not allow all Large Hadron Collider (LHC) proton–proton collision data to be stored and analyzed. It is therefore necessary to filter out the data according to the scientific goals of each experiment. ...
General Physics
Mar 3, 2023
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133
After over three years of upgrade and maintenance work, the Large Hadron Collider began its third period of operation (Run 3) in July 2022. Since then, the world's most powerful particle accelerator has been colliding protons ...
General Physics
Dec 21, 2022
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52
Today the international LHCb collaboration at the Large Hadron Collider (LHC) presented new measurements of rare particle transformations, or decays, that provide one of the highest-precision tests yet of a key property of ...
General Physics
Dec 20, 2022
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