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Scientists on the ArgoNeuT experiment have developed a method that enables them to better distinguish the tracks that particles leave behind in liquid argon, as well as a way to better differentiate between signals and background. And thanks to the software’s great performance, ArgoNeuT will aid larger neutrino experiments in their quest to understand the nature of the subtle neutrino.
Physicists often find thrifty, ingenious ways to reuse equipment and resources. What do you do about an 800-ton magnet originally used to discover new particles? Send it off on a months-long journey via truck, train and ship halfway across the world to detect oscillating particles called neutrinos, of course. It’s all part of the vast recycling network of the physics community.
For several weeks, a prototype detector for the Fermilab-hosted Deep Underground Neutrino Experiment collected data using beams from CERN’s particle accelerators. The results show a mature technology exceeding all expectations. It’s the culmination of three years of hard work by a global team dedicated to constructing and bringing the new detector online.
Fermilab’s quantum program includes a number of leading-edge research initiatives that build on the lab’s unique capabilities as the U.S. center for high-energy physics and a leader in quantum physics research. On the tour, researchers discussed quantum technologies for communication, high-energy physics experiments, algorithms and theory, and superconducting qubits hosted in superconducting radio-frequency cavities.
Fermilab scientist Pushpa Bhat was recently elected to the Council of the American Association for the Advancement of Science, the world’s largest scientific society, as a representative for the Section on Physics. Her three-year term begins on Feb. 18. The AAAS Council establishes general policies for the association and reviews all of its programs.
For the first time, scientists have demonstrated that low-energy neutrinos can be thoroughly identified with a liquid-argon particle detector. The results, obtained with the ArgoNeuT experiment, are promising for experiments that use liquid argon to catch neutrinos, including the upcoming Deep Underground Neutrino Experiment.
After scanning in depth about a quarter of the southern skies for six years and cataloguing hundreds of millions of distant galaxies, the Dark Energy Survey will finish taking data on Jan. 9. DES scientists recorded data from more than 300 million distant galaxies. More than 400 scientists from over 25 institutions around the world have been involved in the project, hosted by Fermilab. The collaboration has already produced about 200 academic papers, with more to come.
Fermilab has finalized an agreement with construction firm Kiewit-Alberici Joint Venture to start pre-excavation work for the Long-Baseline Neutrino Facility, which will house the enormous particle detectors for the Deep Underground Neutrino Experiment. The South Dakota portion of the facility will be built a mile beneath the surface at the Sanford Underground Research Facility in Lead, South Dakota.
In a new series of exhibits in the Fermilab Art Gallery, the Fermilab Archives will feature influential works loaned by the private collection of a Fermilab scientist. It kicks off with the current exhibit, which features works from the 17th and 18th centuries. Each display, which will rotate approximately once a month, will consist of several volumes illustrating a common theme in the evolution of physics.
The new technology is a miniaturized version of a sensor developed for the CMS experiment at the Large Hadron Collider. But instead of being used for discovery science, the sensors are developed to screen cargo by detecting muons, particles that penetrate materials such as concrete and lead. Scientists at Fermilab, Los Alamos National Laboratory and the Nevada National Security Site designed, assembled and tested the small, slim sensors, which could replace bulkier screening technologies.