Bulletin of the American Physical Society
2008 APS April Meeting and HEDP/HEDLA Meeting
Volume 53, Number 5
Friday–Tuesday, April 11–15, 2008; St. Louis, Missouri
Session M2: Dark Matter and Dark Energy |
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Sponsoring Units: DPF DAP Chair: Juan Collar, University of Chicago Room: Hyatt Regency St. Louis Riverfront (formerly Adam's Mark Hotel), St. Louis D |
Sunday, April 13, 2008 3:30PM - 4:06PM |
M2.00001: Results and Prospects for Direct Dark Matter Detection via Cryogenic Techniques Invited Speaker: Overwhelming observational evidence indicates that most of the matter in the Universe consists of non-baryonic, particle dark matter. One compelling candidate for particle dark matter is the Weakly Interacting Massive Particle (WIMP). After reviewing some of the evidence for dark matter and the WIMP hypothesis, I will describe current cryogenic techniques used to search for dark matter. I will present recent results from the Cryogenic Dark Matter Search (CDMS) in the Soudan Mine, MN, review the results of several other cryogenic experiments, and give prospects for future cryogenic dark matter experiments. [Preview Abstract] |
Sunday, April 13, 2008 4:06PM - 4:42PM |
M2.00002: Axions and Their Possible Role as Dark Matter Invited Speaker: The axion is a hypothetical elementary particle whose existence would explain the baffling absence of CP violation in the strong interactions. Its properties in addition make it a good dark-matter candidate. Even though dark-matter axions would make up the overwhelming majority of mass in the universe, they are notoriously difficult to detect. Undaunted, groups around the world deploy exquisitely sensitive axion detectors. These instruments are elegant and beyond state-of-the-art in novel ways. I'll review the role of axions as dark matter and the methods employed in searches. [Preview Abstract] |
Sunday, April 13, 2008 4:42PM - 5:18PM |
M2.00003: What can we learn from future dark energy probes? Invited Speaker: I briefly review the fundamental physics motivations for the study of dark energy and then take up the problem of assessing of the impact of propose dark energy experiments. I consider in turn a variety of approaches, from forecasting the impact of data on abstract dark energy parameters to exploring its impact on specific scalar field models. The Dark Energy Task Force model data sets are used to provide common points of comparison. I show that a remarkably consistent picture emerges from these diverse methods. [Preview Abstract] |
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