Researchers at the Cryogenic Underground Observatory for Rare Events (CUORE) announced this week that they had placed some of the most stringent limits yet on the strange possibility that the neutrino is its own antiparticle. CUORE has spent the last three years patiently waiting to see evidence of a distinctive nuclear decay process, only possible if neutrinos and antineutrinos are the same particle. Their new data shows that this decay doesn’t happen for trillions of trillions of years, if it happens at all.
An international research team that includes Lawrence Berkeley National Laboratory (Berkeley Lab) scientists has established a new upper limit of 0.8 electron volts (eV) for the mass of the neutrino, a milestone that will bear on future discoveries in nuclear and particle physics, and cosmology.
Reiner Kruecken, a nuclear physicist and Deputy Director for Research at TRIUMF, Canada’s particle accelerator center, has been selected to serve as the next Division Director of Lawrence Berkeley National Laboratory’s (Berkeley Lab) Nuclear Science Division. His appointment will be effective in May. The announcement follows an international search.
Scientists have reported new clues to solving a cosmic conundrum: How the quark-gluon plasma – nature’s perfect fluid – evolved into the building blocks of matter during the birth of the early universe.
Five scientists at Berkeley Lab have been selected by the U.S. Department of Energy’s Office of Science to receive funding through the Early Career Research Program (ECRP).
Berkeley Lab’s contributions span the planning, construction, and data analysis central to the collaboration’s groundbreaking discoveries.
The events following the Fukushima disaster, a decade ago, drew upon Berkeley Lab’s long-standing expertise in radiation measurements and safety, and led to the creation of long-term radiation-monitoring programs, both locally and in Japan, as well as a series of radiation surveys and technology demonstrations including drone- and helicopter-based surveys, and vehicle-based and hand-carried measurements.
A new analysis of collisions conducted at different energies, with contributions by Berkeley Lab scientists, shows tantalizing signs of a critical point – a change in the way that quarks and gluons, the building blocks of protons and neutrons, transform from one phase to another.
The Department of Energy has announced that Susannah Tringe and Dan Kasen, two scientists at Lawrence Berkeley National Laboratory (Berkeley Lab), will receive the Ernest Orlando Lawrence Award, one of DOE’s highest honors. Additionally, former Berkeley Lab scientist M. Zahid Hasan was also named as one of the eight recipients.
Berkeley Lab has a long history of participating in neutrino experiments and discoveries in locations ranging from a site 1.3 miles deep at a nickel mine in Ontario, Canada, to an underground research site near a nuclear power complex northeast of Hong Kong, and a neutrino observatory buried in ice near the South Pole.