Cross-calibration of cluster mass observables

Self-Calibration of Cluster Dark Energy Studies: Observable-Mass Distribution

The exponential sensitivity of cluster number counts to the properties of the dark energy implies a comparable sensitivity to not only the mean but also the actual distribution of an observable mass proxy given the true cluster mass. For example a 25% scatter in mass can provide a ∼ 50% change in the number counts at z ∼ 2 for the upcoming SPT survey. Uncertainty in the scatter of this amount w...

Cluster Structure in Cosmological Simulations I : Correlation to Observables , Mass Estimates , and Evolution

We use Enzo, a hybrid Eulerian AMR/N-body code including nongravitational heating and cooling, to explore the morphology of the X-ray gas in clusters of galaxies and its evolution in current generation cosmological simulations. We employ and compare two observationally motivated structure measures: power ratios and centroid shift. Overall, the structure of our simulated clusters compares remark...

Neutrino Oscillation Observables from Mass Matrix Structure

We present a systematic procedure to establish a connection between complex neutrino mass matrix textures and experimental observables, including the Dirac CP phase. In addition, we illustrate how future experimental measurements affect the selection of textures in the (θ13, δCP)-plane. For the mixing angles, we use generic assumptions motivated by quark-lepton complementarity. We allow for any...

Self Calibration in Cluster Studies of Dark Energy: Combining the Cluster Redshift Distribution, the Power Spectrum and Mass Measurements

We examine the prospects for measuring the dark energy equation of state parameter w within the context of any uncertain redshift evolution of galaxy cluster structure (building on Majumdar & Mohr 2003) and show that including the redshift averaged cluster power spectrum, (P̄cl), and direct mass measurements of 100 clusters helps tremendously in reducing cosmological parameter uncertainties. Spe...

Effects of cluster particle correlations on local parity violation observables