Tag: January 2025 – March 2025
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Optical fibre link to assist in ultra-high precision spectroscopy of antihydrogen
Optical fibre link to assist in ultra-high precision spectroscopy of antihydrogen Figure 1: Atoms in this part of the Cs fountain clock are trapped and laser cooled in preparation of their vertical launch. Experiments at CERN’s Antimatter Factory test fundamental principles such as CPT invariance by studying the properties and behaviour of antimatter and comparing
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Theory and practice join at the DRD1 Gaseous Detectors School
Theory and practice join at the DRD1 Gaseous Detectors School How do wire-based detectors compare to Resistive Plate Chambers? What are the performances of MicroPattern Gaseous Detectors? Which gas mixtures should be chosen for optimised operation? How will detectors face the challenges of future, more powerful accelerators? 32 students learned about these and many other
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Third DAQ@LHC workshop
Third DAQ@LHC workshop After a (too) long hiatus the LHC DAQ teams found themselves together for three days in the beautiful and study-friendly atmosphere of Chateau de Bossey to discuss experiences in Run3, plans for the post-LS3 systems and technological developments relevant for DAQ in general. The 120 participants (see Group Photo above) came from
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CMS Achieves LHC’s Most Precise W boson Mass Measurement Yet
CMS Achieves LHC's Most Precise W boson Mass Measurement Yet The first measurement of the W boson mass (mw) performed by the CMS Collaboration was announced in September 2024. This result has been long-awaited—the first LHC measurement of mW, by the ATLAS Collaboration, was shown nearly 7 years ago. In the meantime, the CDF Collaboration
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RNTuple: The New Columnar Storage for HEP Data
RNTuple: The New Columnar Storage for HEP Data R&D activities are vital for the ROOT project. A few years ago, we started investigating the evolution of TTree, ROOT’s columnar format with which more than two exabytes of data were written at the LHC: experiments write data, lots of it, to then store them on media
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New Milestones in direct CP Violation: Observation in Baryons and First Evidence in Beauty Mesons to J/Psi
New Milestones in direct CP Violation: Observation in Baryons and First Evidence in Beauty Mesons to J/Psi A Milestone in Understanding the Matter-Antimatter Asymmetry The LHCb collaboration has announced a groundbreaking achievement: the first-ever observation of CP violation in baryon decays. This result, presented at the Rencontres de Moriond EW conference and submitted for publication
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Neutrinos Make Their Mark in the North Hall
Neutrinos Make Their Mark in the North Hall One of the conclusions from the ESPPU 2013 process was that CERN should actively engage in the global accelerator-based neutrino program. As a result, CERN became involved in various initiatives, including the DUNE project, and took a leading role in constructing two large 750-ton Liquid Argon TPC
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Updates from the ISOLDE Solenoidal Spectrometer
Updates from the ISOLDE Solenoidal Spectrometer The field of nuclear physics is well into its second century. From its initial experiment bombarding a gold foil with alpha particles, experimental techniques have become more sophisticated to keep pace with the technology and innovation that has allowed more detailed probes of the nucleus. Of particular interest to
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Innovative Scintillator Detector Technologies
Innovative Scintillator Detector Technologies Plastic scintillator detectors are cost-effective and benefit from a very fast response as well as the possibility to easily shape their geometry. Thus, their deployment is a standard in most of the particle physics experiments. Although their development has reached a limit, a lot more potential can still be extracted. A