Particle Astrophysics & Cosmology (PAC)

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August 12, 2016
News Feature
Fermi Researchers Explore New Ways of Searching for Dark Matter
Three recent studies using data from the Fermi Gamma-ray Space Telescope have expanded the hunt for unexplained signals coming from beyond our galaxy.
August 10, 2016
News Feature
Symmetry: Dark Matter Hopes Dwindle with X-ray Signal
A previously detected, anomalously large X-ray signal is absent in new Hitomi satellite data, setting tighter limits for a dark matter interpretation.
August 9, 2016
News Feature
Symmetry: The Contents of the Universe
How do scientists know what percentages of the universe are made up of dark matter and dark energy?
August 9, 2016
News Feature
DOE Approves Construction of 3-D Galaxy-mapping Project ‘DESI’
The Dark Energy Spectroscopic Instrument will measure light from 35 million cosmic objects for new insights into what causes the universe to expand faster and faster.
August 2, 2016
News Feature
Physicist Trio Amplifies SLAC Research on Mysterious Forms of Matter
The scientists develop methods to study neutrinos from star explosions and search for unknown particles and forces with possible ties to dark matter.
July 26, 2016
News Feature
Symmetry: The Most Important Website in Particle Physics
The first website to be hosted in the US has grown to be an invaluable hub for open science.
July 21, 2016
News Feature
Symmetry: Dark Matter Evades Most Sensitive Detector
In its final run, the LUX experiment increased its sensitivity four-fold, but dark matter remains elusive.
July 19, 2016
News Feature
Stanford, SLAC X-ray Studies Could Help Make LIGO Gravitational Wave Detector 10 Times More Sensitive
The goal: Develop high-tech coatings that make the detector’s mirrors less “noisy”.
July 6, 2016
Press Release
Lost Satellite Revealed Black Hole Stirring Cosmic Brew, Thwarting Star Formation
Before Hitomi died, it sent back X-ray data that explain how turbulent motions may prevent cooling of hot gas.
June 1, 2016
News Feature
Prototype of LUX-ZEPLIN Dark Matter Detector Tested at SLAC
A small-scale version of the future detector allows researchers and engineers to test, develop and troubleshoot various aspects of its technology.

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