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New isotope measurement could alter history of early solar system

DOE/Argonne National Laboratory
Peer-Reviewed Publication

The early days of our solar system might look quite different than previously thought, according to research at the US Department of Energy's Argonne National Laboratory. The study used more sensitive instruments to find a different half-life for samarium, one of the isotopes used to chart the evolution of the solar system.

Journal: Science
Funder: DOE/US Department of Energy, Japan Society for the Promotion of Science

Diamond-based materials brighten the future of electronics

DOE/Argonne National Laboratory
Peer-Reviewed Publication

Researchers at the US Department of Energy's Argonne National Laboratory have found a way to combine ultrananocrystalline diamond with graphene and gallium nitride, greatly improving the thermal properties of the material and helping to overcome theoretical limitations on semiconducting circuits.

Journal: Nano Letters
Funder: US Department of Energy's Office of Science

Tevatron experiments report latest results in search for Higgs boson

DOE/Fermi National Accelerator Laboratory
Peer-Reviewed Publication

New measurements announced today by scientists from the CDF and DZero collaborations at the Department of Energy's Fermi National Accelerator Laboratory indicate that the elusive Higgs boson may nearly be cornered. After analyzing the full data set from the Tevatron accelerator, which completed its last run in September 2011, the two independent experiments see hints of a Higgs boson.

Funder: DOE/US Department of Energy, National Science Foundation
Meeting: Annual Conference on Electroweak Interactions and Unified Theories

World's best measurement of W boson mass points to Higgs mass and tests Standard Model

DOE/Fermi National Accelerator Laboratory
Peer-Reviewed Publication

The latest measurement of the mass of the W boson from the Tevatron experiments. The new combined result is twice as precise as the previous world average, and places limits on the mass of the Higgs consistent with the limits from direct searches at the LHC and Tevatron.

Journal: Physical Review Letters
Funder: DOE/US Department of Energy, National Science Foundation

Big, bad bacterium is an 'iron pirate'

DOE/Argonne National Laboratory

Life inside the human body sometimes looks like life on the high seas in the 1600s, when pirates hijacked foreign vessels in search of precious metals.

Argonne scientist energizes quest for lost Leonardo da Vinci painting

DOE/Argonne National Laboratory

Perhaps one of Leonardo da Vinci's greatest paintings has never been reprinted in books of his art. Known as the "Battle of Anghiari," it was abandoned and then lost -- until a determined Italian engineer gave the art world hope that it still existed, and a physicist from the US Department of Energy's Argonne National Laboratory developed a technique that may reveal it to the world once again.

Fermilab experiment measurements decrease surprise difference in neutrino and antineutrino masses

DOE/Fermi National Accelerator Laboratory
Peer-Reviewed Publication

The physics community got a jolt last year when results showed for the first time that neutrinos and their antimatter counterparts, antineutrinos, might have different masses. A result released Aug. 25 from the MINOS experiment at the Department of Energy's Fermi National Accelerator Laboratory appears to quell concerns raised by a MINOS result in June 2010 and brings neutrino and antineutrino masses more closely in sync.

Meeting: Lepton-Photon 2011

Fermilab scientist receives $2.5 million award for innovative accelerator work

DOE/Fermi National Accelerator Laboratory
Grant and Award Announcement

Alex Romanenko, a materials scientist at Fermi National Accelerator Laboratory, will receive $2.5 million from the Department of Energy's Office of Science to expand his innovative research to develop superconducting accelerator components. These components could be applied in fields such as medicine, energy and discovery science.

Funder: US Department of Energy's Office of Science

Tribal schools create their own biodiesel to win energy challenge

DOE/Argonne National Laboratory

Last year, American Indian tribal colleges and high schools competed to build the best wind turbine; this year, their challenge was different, but still related to renewable energy -- creating biodiesel fuel out of raw biomass.

Fermilab experiment discovers a heavy relative of the neutron

DOE/Fermi National Accelerator Laboratory
Peer-Reviewed Publication

Scientists of the CDF collaboration at DOE's Fermilab announced the observation of a new particle, the neutral Xi-sub-b. This particle contains three quarks: a strange quark, an up quark and a bottom quark (s-u-b). While its existence was predicted by the Standard Model, the observation of the neutral Xi-sub-b is significant because it strengthens our understanding of how quarks form matter. Fermilab physicist Pat Lukens presented the discovery at Fermilab on Wednesday, July 20.

Journal: Physical Review Letters
Funder: DOE/US Department of Energy, National Science Foundation, others