Atom-interferometry constraints on dark energy
Abstract
Our knowledge of the inventory of stuff that makes up our universe amounts to a humbling 5%. The rest consists of either dark energy (~70%) or dark matter (~25%). Using atom interferometry, Hamilton et al. describe the results of experiments that controlled for dark energy screening mechanisms in individual atoms, not bulk matter. Aprile et al. report on an analysis of data taken with the XENON100 detectors aiming to identify dark matter particles directly by monitoring their rare interaction with ordinary matter. In this setup, a large underground tank of liquid xenon forms a target for weakly interacting m assive particles. These combined results set limits on several types of proposed dark matter and dark energy candidates (see the Perspective by Schmiedmayer and Abele).
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Aug 21, 2015
- Source ID
- 10.1126/science.aaa8883
Entities
People
- H. Muller
- J. Khoury
- M. Jaffe
- P. Haslinger
- Phineas T. Hamilton
- Q. Simmons
Organizations
- Austrian Science Fund
- David and Lucile Packard Foundation
- Defense Advanced Research Projects Agency
- Lawrence Berkeley National Laboratory
- National Aeronautics and Space Administration
- National Science Foundation
- University of California, Berkeley
- University of Pennsylvania