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The UFFO (Ultra-Fast Flash Observatory) Pathfinder
I. H. Park, B. Grossan, H. Lim +11
Hundreds of gamma-ray burst (GRB) UV-optical light curves have been measured since the discovery of optical afterglows, however, even after nearly 5 years of operation of the SWIFT…
A Weak Lensing Study of X-ray Groups in the COSMOS survey: Form and Evolution of the Mass-Luminosity Relation
A. Leauthaud, A. Finoguenov, J. P. Kneib +26
Measurements of X-ray scaling laws are critical for improving cosmological constraints derived with the halo mass function and for understanding the physical processes that govern…
CMB Lensing Constraints on Dark Energy and Modified Gravity Scenarios
Erminia Calabrese, Asantha Cooray, Matteo Martinelli +4
Weak gravitational lensing leaves a characteristic imprint on the cosmic microwave background temperature and polarization angular power spectra. Here we investigate the possible c…
From Cavendish to PLANCK: Constraining Newton's Gravitational Constant with CMB Temperature and Polarization Anisotropy
Silvia Galli, Alessandro Melchiorri, George F. Smoot +1
We present new constraints on cosmic variations of Newton's gravitational constant by making use of the latest CMB data from WMAP, BOOMERANG, CBI and ACBAR experiments and independ…
BigBOSS: The Ground-Based Stage IV Dark Energy Experiment
David J. Schlegel, Chris Bebek, Henry Heetderks +18
The BigBOSS experiment is a proposed DOE-NSF Stage IV ground-based dark energy experiment to study baryon acoustic oscillations (BAO) and the growth of structure with an all-sky ga…