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Tomography of lensing cross power spectra
Masahiro Takada, Martin White
By obtaining photometric redshift information, tomography allows us to cross-correlate galaxy ellipticities in different source redshift bins. The cross-correlation is non-vanishin…
Searching for massive clusters in weak lensing surveys
Takashi Hamana, Masahiro Takada, Naoki Yoshida
We explore the ability of weak lensing surveys to locate massive clusters. We use both analytic models of dark matter halos and mock weak lensing surveys generated from a large cos…
Cosmological parameters from lensing power spectrum and bispectrum tomography
Masahiro Takada, Bhuvnesh Jain
We examine how lensing tomography with the bispectrum and power spectrum can constrain cosmological parameters and the equation of state of dark energy. Our analysis uses the full…
Halo model prediction of the cosmic magnification statistics: the full non-linear contribution
Masahiro Takada, Takashi Hamana
The lensing magnification effect due to large-scale structure is statistically measurable by correlation of size fluctuations in distant galaxy images as well as by the QSO-galaxy…
Three-Point Correlations in Weak Lensing Surveys: Model Predictions and Applications
Masahiro Takada, Bhuvnesh Jain
We use the halo model of clustering to compute two- and three-point correlation functions for weak lensing, and apply them in a new statistical technique to measure properties of m…