New record energy At 12.38 a.m. on 5 April, the LHC shift crew declared “stable beams” as two 4 TeV proton beams were brought into collision at the LHC’s four interaction points. This signalled the start of physics data-taking by the […]
Dwarf spheroidal galaxy Dark matter remains dark. The Fermi Gamma-ray Space Telescope could not detect an annihilation signal from dark-matter reservoirs in nearby dwarf galaxies. This nonetheless constrains the properties of candidate dark-matter particles. The results exclude for […]
The promise and challenges of the Neutrino Factory.
In the LHeC, an electron beam would collide with the hadron beams of the LHC to allow a rich programme of physics.
What it took to set up the creative collisions of Arts@CERN.
Fragmentation of heavy nuclei provides beams of light ions at CERN.
A personal account of how this bold initiative began.
CERN tech catches the power of the Sun • LeCosPA in focused space–time endeavour • The Ettore Majorana Foundation and Centre for Scientific Culture celebrates 40 years of QCD • Visits • ASACUSA’s antihydrogen research attracts grants • Becky Parker wins medal for inspirational physics teaching
Amphenol Aerospace has announced a series of rugged, micro-miniature connectors that provide more power throughout and consistent coupling by incorporating more electrical connections in a compact form. Available in shell sizes from 5 to 23, […]
L’enigma dei raggi cosmici. Le più grandi energie dell’ universo • Books received
Norbert Holtkamp extols the virtues of blogging as a way to encourage dialogue on important issues.
Regenerated plant It may not be quite the same scenario as in Jurassic Park, but Svetlana Yashina and colleagues at the Russian Academy of Sciences in Puschchino managed to resurrect a 30,000-year-old Ice Age flowering plant. They […]
A big challenge in using hydrogen for energy is how to store it. Jonathan Hull of Brookhaven National Laboratory and colleagues have shown that hydrogen can be stored in an aqueous solution of formic acid, […]
A leading figure of 20th-century experimental physics, Edoardo Amaldi was one of the main players in the process that turned the dreams of large, transnational scientific projects among European countries into reality ( CERN Courier December 2008 p13 ). While […]
The Daya Bay reactor antineutrino experiment has observed the disappearance of electron-antineutrinos at a distance of about 2 km from the reactors. As briefly reported earlier ( CERN Courier April 2012 p8 ), this provides strong evidence for a new kind […]
As announced at the “Moriond” conference on 10 March, the LHCb collaboration has made the first observation of the decay B+ → π+μ+μ–. With a branching ratio of about 2 per 100 million decays, this is the rarest decay […]
The ATLAS experiment sent the results of more than 40 new analyses to “La Thuille”, “Moriond” and other winter conferences. These results covered the full scientific programme of the experiment, from precision measurements of Standard […]
The ATLAS and CMS collaborations are carrying out a large-scale hunt for hypothetical heavy partners of the Standard Model gauge bosons, the W and the Z. The two experiments were designed to be sensitive to […]
Although no sign of supersymmetry (SUSY) has been observed so far, it is still the front-runner as a signal for new physics that could be discovered at the LHC. Not only does it neatly solve […]
Different possible neutron decays Researchers in the Modular Neutron Array (MoNA) collaboration have found evidence for a new nuclear-decay mode at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University. Artemis Spyrou, Zach Kohley and their colleagues have […]
Le LHC fournit rapidement des données à la nouvelle énergie de collision de 8 TeV Le fondateur du CERN Edoardo Amaldi célébré dans l’espace Daya Bay observe un nouveau type d’oscillation du neutrino Observation de la plus rare des désintégrations de B ATLAS : bilan de fin d’hiver CMS et ATLAS à la recherche de nouveaux bosons de jauge Du nouveau dans la recherche de SUSY MoNA : première observation confirmée d’une désintégration à dineutrons Du nouveau sur les frottements De nouvelles limites pour la matière noire, grâce au télescope gamma
Nanomeasurement instruments The exact nature of friction is still somewhat mysterious, despite having long been studied by many physicists and engineers. In the 17th century, Guillaume Amontons and Charles-Augustin de Coulomb attributed friction to tiny surface irregularities […]
One way to look for life on other planets is to look at spectroscopic signals of the chemical composition of their atmospheres, searching for compounds such as methane or molecular oxygen, which are likely to […]
People who drink a little whisky in the hopes of helping a cold may be surprised to find that fruit flies do something similar. Neil Milan of Emory University in Atlanta and colleagues raised fruit-fly […]
Original SIN Villigen accelerator A “meson factory” of novel design is being built by SIN (Schweizerisches Institut für Nuklearforschung – Swiss Institute for Nuclear Research) at Villigen near Zurich. It involves a two-stage machine capable of accelerating […]