Events Archive

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Cosmic microwave background lensing and Lyman-α forest bispectrum

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Classical Instability, Tails and Self-force on a Rotating Black Hole Space-time

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Corwin Shiu, Princeton University 

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Design and performance of planar-wideband slotted bow-tie antennas for CMB detection

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TITLE From Time-Ordered Data to Cosmology with the Atacama Cosmology Telescope ABSTRACT The bolometric polarimeter at the focal plane of the Atacama Cosmology telescope (ACTPol) allows us to map the Cosmic Microwave Background (CMB) with high signal-to-noise both in temperature and polarization.

TITLE Cosmology with the Longest Lever Arm using CMB Lensing ABSTRACT The cosmic microwave background (CMB) provides a snapshot of the universe at a redshift of around 1100. At the same time, it acts as a backlight that is gravitationally lensed by structure that formed at low redshifts.

TITLE Measurements of the gravitational constant – why is a precise measurement so difficult? ABSTRACT In this presentation, I will summarize measurements of the Newtonian constant of gravitation, big G, that have been carried out in the last 30 years. I will describe key techniques that were used by researchers around the world to determine G...

TITLE Surrogate models of gravitational waveforms from numerical relativity simulations of black hole mergers ABSTRACT GW150914 was the first detection of gravitational waves from a binary black hole merger, bringing us into the era of gravitational wave astronomy.

These two meetings will be a frank examination of current theories of the origin and evolution of the large-scale structure of the universe, especially aimed at experimentalists and observers, with ample time for questions and discussion.
 

Perhaps the most surprising result from the Planck satellite is the observation that the E-mode power in the dust polarization is twice that in the B mode, in stark contrast to pre-Planck expectations of roughly equal dust powers in E and B modes.