Bulletin of the American Physical Society
2009 APS April Meeting
Volume 54, Number 4
Saturday–Tuesday, May 2–5, 2009; Denver, Colorado
Session X4: New Facilities in Particle Astrophysics II |
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Sponsoring Units: DAP Chair: Steven Kahn, Stanford Linear Accelerator Center Room: Plaza F |
Tuesday, May 5, 2009 1:30PM - 2:06PM |
X4.00001: Probing Inflation with Cosmic Microwave Background Polarization Invited Speaker: The possibility of detecting of gravity waves sourced during the inflationary epoch using CMB polarization measurements is driving the rapid development of new, sensitive experiments on the ground, from balloons and ultimately from space. I will outline some of the many new developments in detectors, telescopes, analysis and experimental techniques which will lead to unprecedented sensitivity and accuracy in the CMB polarization measurements of the next decade. [Preview Abstract] |
Tuesday, May 5, 2009 2:06PM - 2:42PM |
X4.00002: EXIST: Surveying Black Holes from the Early Universe to Local Galaxies Invited Speaker: The Energetic X-ray Imaging Survey Telescope (\textit{EXIST}) is proposed to survey the Universe for black holes on all scales and is a leading candidate to be the \textit{Black Hole Finder Probe} with three primary science goals: \textbf{1.} Detect and study cosmic gamma-ray bursts (GRBs) at high redshift to study stellar mass black hole formation and the epoch of re-ionization in the Early Universe. \textbf{2.} Conduct an unbiased hard X-ray survey for supermassive black holes in galactic nuclei to measure the fraction of those that are obscured and/or dormant to constrain the accretion luminosity of the Universe; and \textbf{3.} Study high energy transients, from stars to SMBHs, synoptic with ground and space temporal surveys. \textit{EXIST} would carry 3 instruments: a wide-field (90$^{\circ}$x70$^{\circ})$ high energy (5-600 keV) telescope (\textbf{HET}) to yield $<$20'' source positions; a 1.1m optical-infrared telescope (\textbf{IRT}) which images a $\sim $4'x4' field around the HET position simultaneously in 4 bands (0.3-2.1microns) and obtains low-res or high-res spectra and redshifts; and a focusing soft X-ray imager (\textbf{SXI}) for sensitive 0.1 --10 keV images (20' FoV and 15'' resolution) during both the 2y scanning mode and 3y followup pointings for imaging and spectra. \textit{EXIST} would serve a broad community of guest investigators following a proposed launch in 2017. [Preview Abstract] |
Tuesday, May 5, 2009 2:42PM - 3:18PM |
X4.00003: Observing the Dark Side of the Universe with LISA Invited Speaker: LISA is a joint NASA/ESA space mission designed to measure gravitational waves in the band from 0.1 mHz to 0.1 Hz, a band that is richly populated by strong sources of gravitational waves. Signals will come from a wide range of sources: massive black holes merging in galaxies at all distances; stellar-mass compact objects captured by massive black holes; ultra-compact Galactic binaries; and possibly other sources including relics of the Big Bang. These sources convey detailed information addressing a wide range of physics and astrophysics: the history of galaxies and black holes in the universe; general relativity and the behavior of spacetime; precision measurements of luminosity distances; the physics of dense matter and stellar remnants; and possibly new physics associated with events in the very early universe. This talk will give an overview of the science goals of LISA and their potential impact on physics and astrophysics. [Preview Abstract] |
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