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“#New research deepens mystery of particle generation in proton collisions” Credit: CC0 Public Domain A group of researchers including scientists from the RIKEN Nishina Center for Accelerator-Based Science, University of Tokyo, Nagoya University, and the Japan Atomic Energy Agency (JAEA) used the spin-polarized Relativistic Heavy Ion Collider at Brookhaven National Laboratory in the United States…
“#A method to 3-D print components for refined neutron scattering” ORNL’s Bianca Haberl and Amy Elliott hold 3D-printed collimators — an invention that has been licensed to ExOne, a leading binder jet 3D printer company. Credit: Genevieve Martin/Oak Ridge National Laboratory, US Dept. of Energy The Department of Energy’s Oak Ridge National Laboratory has licensed…
“#ATLAS Experiment measures light scattering on light and constrains axion-like particles” Figure 1: Differential cross section of γγ→γγ production in lead–lead collisions at 5.02 TeV as a function of the invariant mass of the diphoton system and the cosine of the scattering angle in the photon-photon centre-of-mass frame, as measured by ATLAS. The measurements are…
“#Observation of excess events in the XENON1T dark matter experiment” The XENON1T detector. Visible is the bottom array of photomultiplier tubes, and the copper structure that creates the electric drift field. Credit: Kavli Institute for the Physics and Mathematics of the Universe Scientists from the international XENON collaboration, an international experimental group including the Kavli…
“#New ideas in the search for dark matter” This Hubble Space Telescope composite image shows a ghostly “ring” of dark matter in a galaxy cluster. Credit: NASA, ESA, M.J. Jee and H. Ford (Johns Hopkins University) Since the 1980s, researchers have been running experiments in search of particles that make up dark matter, an invisible…
“#Physicists document method to improve magnetoelectric response” Credit: CC0 Public Domain University of Arkansas physicists have documented a means of improving the magnetoelectric response of bismuth ferrite, a discovery that could lead to advances in data storage, sensors and actuators. Bismuth ferrite, or BFO, has long been of interest to scientists because its functional properties…
“#Why pulsars shine bright: A half-century-old mystery solved” The simulated density distribution of electron-positron plasma near the surface of a neutron star (shown in gray at the bottom of the plot). Redder regions represent a higher density of electron-positron pairs. Credit: A. Philippov et al./Physical Review Letters 2020 When Jocelyn Bell first observed the emissions…
“#Elasticity key to plants and animals’ ability to sting” A new study explains for the very first time the principles behind the design of stings, needles, and spikes in animals and plants. The principles can be directly used in the development of new tools and medical equipment. Credit: Kaare Hartvig Jensen A new study explains…
“#Scientists carry out first space-based measurement of neutron lifetime” Artist impression of NASA MErcury Surface, Space ENvironment, GEochemistry, and Ranging MESSENGER spacecraft in orbit at Mercury. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington Scientists have found a way of measuring neutron lifetime from space for the first time—a discovery that could teach…