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What if Dark Matter is Lighter? Report Calls for Small Experiments to Broaden the Hunt

Theorized dark matter particles haven’t yet shown up where scientists had expected them. So Berkeley Lab researchers are now designing new and nimble experiments that can look for dark matter in previously unexplored ranges of particle mass and energy, and using previously untested methods.

The post What if Dark Matter is Lighter? Report Calls for Small Experiments to Broaden the Hunt appeared first on News Center.

A New Filter to Better Map the Dark Universe

To address messy measurements of the cosmic web that connects matter in the universe, researchers at Berkeley Lab developed a way to improve the accuracy and clarity of these measurements based on the stretching of the universe’s oldest light.

The post A New Filter to Better Map the Dark Universe appeared first on News Center.

The ‘Little’ Computer Cluster That Could

A computer cluster at Berkeley Lab, which switched off last month, since 1996 had served as a steady workhorse in supporting groundbreaking physics research conducted by large collaborations.

The post The ‘Little’ Computer Cluster That Could appeared first on News Center.

VIDEO: The Making of the Largest 3D Map of the Universe

In this video, Dark Energy Spectroscopic Instrument (DESI) project participants share their insight and excitement about the project and its potential for new and unexpected discoveries.

The post VIDEO: The Making of the Largest 3D Map of the Universe appeared first on News Center.

Dark Energy Instrument’s Lenses See the Night Sky for the First Time

On April 1 the dome of the Mayall Telescope near Tucson, Arizona, opened to the night sky, and starlight poured through the assembly of six large lenses that were carefully packaged and aligned for the Dark Energy Spectroscopic Instrument project, which is expected to provide the most precise measurement of the expansion of the universe, and new insight into dark energy.

The post Dark Energy Instrument’s Lenses See the Night Sky for the First Time appeared first on News Center.

Setting a ‘Gold Standard’ for Ultrasensitive Particle Detectors

Alan “Al” Smith was a pioneer in the “low-background counting” performance of particle detectors – their ability to see ever-fainter signatures of particle interactions. He developed the gold standard for measuring trace levels of radioactivity in materials and components.

The post Setting a ‘Gold Standard’ for Ultrasensitive Particle Detectors appeared first on News Center.

Berkeley Lab Researcher Wins Machine-Learning Competition With Code That Sorts Through Simulated Telescope Data

To help solve a big data program for a new telescope that will conduct a major sky survey of the from the high desert of Chile, a scientific collaboration launched a competition to find the best way to train computers to identify the many types of objects it will be imaging.

The post Berkeley Lab Researcher Wins Machine-Learning Competition With Code That Sorts Through Simulated Telescope Data appeared first on News Center.

Massive New Dark Matter Detector Gets Its ‘Eyes’

The LUX-ZEPLIN dark matter detector, which will soon begin its deep-underground search for particles thought to account for most matter in the universe, now has "eyes."

The post Massive New Dark Matter Detector Gets Its ‘Eyes’ appeared first on News Center.

Topping Off a Telescope with New Tools to Explore Dark Energy

Key components for the sky-mapping Dark Energy Spectroscopic Instrument, weighing about 12 tons, were hoisted atop the Mayall Telescope at Kitt Peak National Observatory near Tucson, Arizona, and bolted into place last week, marking a major project milestone.

The post Topping Off a Telescope with New Tools to Explore Dark Energy appeared first on News Center.

Award Finalists Demonstrate Improved Nuclear Physics Code for Supercomputing

André Walker-Loud, a staff scientist at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab), is co-leader of a team that is among the six finalists for the Association of Computing Machinery’s Gordon Bell Prize that will be awarded this month.

The post Award Finalists Demonstrate Improved Nuclear Physics Code for Supercomputing appeared first on News Center.