Tag: Special Feature
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ATLAS prepares for Run 3 as protons are back in the LHC
ATLAS prepares for Run 3 as protons are back in the LHC Since the start of LS2, ATLAS has undergone an intense maintenance and consolidation programme to meet the challenges of Run 3 of the LHC, and fully exploit the available physics opportunities. This includes the installation and commissioning of new detectors and electronics thus
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A busy time at the ALICE Control Room as preparations gear up for 2022
A busy time at the ALICE Control Room as preparations gear up for 2022 After three years of challenging and intense upgrade activities and installation campaigns of LHC Long Shutdown 2 [1], ALICE started global commissioning in July to embark on a new data-taking period. Upgraded detectors and their new readouts were integrated into the
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Proton beams recorded at CMS pave the way for next LHC run
Proton beams recorded at CMS pave the way for next LHC run The Long Shutdown 2 (LS2) is almost over and CERN, along with the experiments at the Large Hadron Collider (LHC), is preparing to welcome the Run 3 next year. As part of the preparation for Run 3, during the last two weeks of
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The LHC pilot beam at LHCb in preparation for Run 3 start
The LHC pilot beam at LHCb in preparation for Run 3 start During the second long shutdown of the LHC, the LHCb experiment is undergoing a full metamorphosis to be able to collect an unprecedented data sample starting from next year [1]. This upgrade of LHCb has been designed to be able to operate at
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LHCb discovers a double-charm tetraquark
LHCb discovers a double-charm tetraquark Conventional mesons and baryons consist of a quark-antiquark and three quarks respectively. However, particles with an alternative quark content, known as exotic states, have been actively discussed since the birth of the constituent quark model in 1964. This discussion has been recently revived by observations of numerous tetraquark and pentaquark
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Departed giants of theoretical physics
Departed giants of theoretical physics July 23rd 2021 was a sad day for the world of theoretical physics, which witnessed the passing of three giants of the field: Steven Weinberg, Toshihide Maskawa and Miguel Virasoro. Weinberg and Maskawa were awarded Nobel Prizes for their contributions to the Standard Model of particle physics, while Virasoro was
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The many faces of ISOLDE
The many faces of ISOLDE You will stand across the street from the ISOLDE facility, when visiting CERN’s medical center, fire fighters, raw materials store, transport teams, or goods reception service. Located centrally at the Meyrin site (https://videos.cern.ch/record/2243399), ISOLDE has been the longest running CERN research facility, approved in 1964, connected to the synchrocyclotron (SC)
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Higgs boson and the quest for new physics
Higgs boson and the quest for new physics The discovery of a new particle in 2012 by the ATLAS and CMS experiments at CERN was just the beginning in understanding the properties of this particle and its potential link to some of the most pressing fundamental questions in modern physics. Following its discovery, the LHC
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How different are electrons and muons after all? Discovering lepton flavour universality violating new physics
How different are electrons and muons after all? Discovering lepton flavour universality violating new physics Introduction The discovery of the electron in 1897 by Thomson, Wiechert and Kaufmann might be considered the starting date of elementary particle physics, as still today the electron is considered to be a fundamental particle. From there on it took
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Anomalous measurements: recent LHCb results deepen flavour puzzle
Anomalous measurements: recent LHCb results deepen flavour puzzle The crown jewel of particle physics, the Standard Model (SM), has withstood numerous experimental trials. However, there are still some observations it cannot explain. Examples such as dark matter and the matter-antimatter imbalance in the Universe come to mind. The SM may be extended, by including additional