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CERN – Física

Maria Fidecaro (1930 – 2023) 20 Setembro, 2023
Maria Fidecaro (1930 – 2023) Maria Fidecaro at her CERN retirement party in 1995. (Image: CERN)We are deeply saddened to learn that Maria Fidecaro, an experimental physicist who joined CERN in 1957, passed away on 17 September. Maria was a familiar face to the CERN community until long into her retirement, often seen arm-in-arm with […]
Quest for the curious magnetic monopole continues 15 Setembro, 2023
Quest for the curious magnetic monopole continues Magnets, those everyday objects we stick to our fridges, all share a unique characteristic: they always have both a north and a south pole. Even if you tried breaking a magnet in half, the poles would not separate – you would only get two smaller dipole magnets. But […]
ALICE reports new charmonia measurements in LHC Run 3 15 Setembro, 2023
ALICE reports new charmonia measurements in LHC Run 3 3D drawing of the ALICE detector. (Image: ALICE)Earlier this month, almost 700 physicists from all over the world met in Houston, Texas, to attend the 30th edition of the Quark Matter conference, the largest conference in the field of heavy-ion physics. At this meeting, the ALICE […]
The September/October issue of the CERN Courier is out 5 Setembro, 2023
The September/October issue of the CERN Courier is out Links between particle physics and gravitational-wave science are strengthening, both in the theory realm and on the ground. A prime example is CERN’s key role in the design of next-generation gravitational-wave observatories, in particular the vacuum tubes for the proposed Einstein Telescope in Europe (p45). A […]
The joy of summer conferences 25 Agosto, 2023
The joy of summer conferences It goes without saying that all eyes were on the Muon g-2 experiment this summer, as Fermilab announced the latest results on 10 August. I warmly congratulate Fermilab and the experiments on this impressive result with such breathtaking precision. Muon g-2 had been a hot topic at summer conferences even […]
LHCb observes hypertriton production in proton-proton collisions at the LHC 23 Agosto, 2023
LHCb observes hypertriton production in proton-proton collisions at the LHC On 23 August, at the EPS-HEP conference 2023, the LHCb collaboration presented its observation of the rare hypernuclei hypertriton and antihypertriton, which surpasses the experiment’s design goals. More than 100 of these rare hypernuclei were found in proton–proton collisions corresponding to 5 fb-1 of LHC […]
Looking for sterile neutrinos in the CMS muon system 28 Julho, 2023
Looking for sterile neutrinos in the CMS muon system The muon system of the CMS experiment (Image: CERN)The CMS collaboration has recently presented new results in searches for long-lived heavy neutral leptons (HNLs). Also known as “sterile neutrinos”, HNLs are interesting hypothetical particles that could solve three major puzzles in particle physics: they could explain […]
ATLAS sets record precision on Higgs boson’s mass 21 Julho, 2023
ATLAS sets record precision on Higgs boson’s mass In the 11 years since its discovery at the Large Hadron Collider (LHC), the Higgs boson has become a central avenue for shedding light on the fundamental structure of the Universe. Precise measurements of the properties of this special particle are among the most powerful tools physicists […]
An even closer look at magic tin 20 Julho, 2023
An even closer look at magic tin In a new paper published in Physical Review Letters, researchers working at CERN’s ISOLDE facility describe how an upgrade to the ISOLTRAP experiment has allowed them to determine the energy necessary to bring the atomic nucleus of indium-99 from its ground state to a long-lived excited state called […]
50 years of giant electroweak discoveries 19 Julho, 2023
50 years of giant electroweak discoveries Half a century ago, a series of tiny tracks in a bubble chamber at CERN changed the course of particle physics. The observation of “weak neutral currents”, announced on 19 July 1973 by Paul Musset of the Gargamelle collaboration, suggested that the electromagnetic and weak forces are facets of […]

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