RCSLenS: A new estimator for large-scale galaxy-matter correlations
  We present measurements of the galaxy bias $b$ and the galaxy-matter
cross-correlation coefficient $r$ for the BOSS LOWZ luminous red galaxy sample.
Using a new statistical weak lensing analysis of the Red Sequence Cluster
Lensing Survey (RCSLenS) we find the bias properties of this sample to be
higher than previously reported with $b=2.45^{+0.05}_{-0.05}$ and
$r=1.64^{+0.17}_{-0.16}$ on scales between $3'$ and $20'$. We repeat the
measurement for angular scales of $20'\leq \vartheta \leq70'$, which yields
$b=2.39^{+0.07}_{-0.07}$ and $r=1.24^{+0.26}_{-0.25}$. This is the first
application of a data compression analysis using a complete set of discrete
estimators for galaxy-galaxy lensing and galaxy clustering. As cosmological
data sets grow, our new method of data compression will become increasingly
important in order to interpret joint weak lensing and galaxy clustering
measurements and to estimate the data covariance. In future studies this
formalism can be used as a tool to study the large-scale structure of the
Universe to yield a precise determination of cosmological parameters.
