How to suppress the shot noise in galaxy surveys (2009)
Seljak, U., Hamaus, N., Desjacques, V.
Galaxy surveys are one of the most powerful means to extract the cosmological information and for a given volume the attainable precision is determined by the galaxy shot noise sigma_n^2 relative to...
Komatsu, E., Afshordi, N., Bartolo, N., Baumann, D., Bond, J. R., Buchbinder, E. I., ...
A new and powerful probe of the origin and evolution of structures in the Universe has emerged and been actively developed over the last decade. In the coming decade, non-Gaussianity, i.e., the study...
Improved optical mass tracer for galaxy clusters calibrated using weak lensing measurements (2008)
Reyes, R., Mandelbaum, R., Hirata, C., Bahcall, N., Seljak, U.
We develop an improved mass tracer for clusters of galaxies from optically observed parameters, and calibrate the mass relation using weak gravitational lensing measurements. We employ a sample of...
Precision photometric redshift calibration for galaxy–galaxy weak lensing (2008)
Mandelbaum, R., Seljak, U., Hirata, C. M., Bardelli, S., Bolzonella, M., Bongiorno, A., ...
Accurate photometric redshifts are among the key requirements for precision weak lensing measurements. Both the large size of the Sloan Digital Sky Survey (SDSS) and the existence of large...
Precision photometric redshift calibration for galaxy–galaxy weak lensing (2008)
Mandelbaum, R., Seljak, U., Hirata, C. M., Bardelli, S., Bolzonella, M., Bongiorno, A., ...
Precision photometric redshift calibration for galaxy-galaxy weak lensing (2007)
Mandelbaum, R., Seljak, U., Hirata, C. M., Bardelli, S., Bolzonella, M., Bongiorno, A., ...
Accurate photometric redshifts are among the key requirements for precision weak lensing measurements. Both the large size of the Sloan Digital Sky Survey (SDSS) and the existence of large...
Hirata, CM, Mandelbaum, R, Ishak, M, Seljak, U, Nichol, R, Pimbblet, KA, ...
Correlations between intrinsic shear and the density field on large scales, a potentially important contaminant for cosmic shear surveys, have been robustly detected at low redshifts with bright...
Hirata, C. M., Mandelbaum, R., Ishak, M., Seljak, U., Nichol, R., Pimbblet, K. A., ...
Correlations between intrinsic shear and the density field on large scales, a potentially important contaminant for cosmic shear surveys, have been robustly detected at low redshifts with bright...
Hirata, C. M., Mandelbaum, R., Ishak, M., Seljak, U., Nichol, R., Pimbblet, K. A., ...
Correlations between intrinsic shear and the density field on large scales, a potentially important contaminant for cosmic shear surveys, have been robustly detected at low redshifts with bright...
Cosmological Constraints from the SDSS Luminous Red Galaxies (2006)
Tegmark, M, Eisenstein, D, Strauss, M, Weinberg, D, Blanton, M, Frieman, J, ...
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...
The Clustering of Luminous Red Galaxies in the Sloan Digital Sky Survey Imaging Data (2006)
Padmanabhan, N., Schlegel, D. J., Seljak, U., Makarov, A., Bahcall, N. A., Blanton, M. R., ...
We present the 3D real space clustering power spectrum of a sample of \~600,000 luminous red galaxies (LRGs) measured by the Sloan Digital Sky Survey (SDSS), using photometric redshifts. This sample...
Calibrating photometric redshifts of luminous red galaxies (2005)
Padmanabhan, Nikhil, Budavari, Tamas, Schlegel, David J., Bridges, Terry, Brinkmann, Jonathan, Cannon, Russell, ...
We discuss the construction of a photometric redshift catalogue of luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing...
Calibrating photometric redshifts of luminous red galaxies (2005)
Padmanabhan, Nikhil, Budavari, Tamas, Schlegel, David J., Bridges, Terry, Brinkmann, Jonathan, Cannon, Russell, ...
We discuss the construction of a photometric redshift catalogue of luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing...
The Linear Theory Power Spectrum from the Lyman-alpha Forest in the Sloan Digital Sky Survey (2004)
McDonald, P., Seljak, U., Cen, R., Shih, D., Weinberg, D. H., Burles, S., ...
We analyze the SDSS Ly-alpha forest P_F(k,z) measurement to determine the linear theory power spectrum. Our analysis is based on fully hydrodynamic simulations, extended using hydro-PM simulations....
McDonald, P., Seljak, U., Cen, R., Bode, P., Ostriker, J. P.
We explore several physical effects on the power spectrum of the Lyman-alpha forest transmitted flux. The effects we investigate here are usually not part of hydrodynamic simulations and so need to...
Seljak, U., Makarov, A., McDonald, P., Anderson, S., Bahcall, N., Brinkmann, J., ...
We combine the constraints from the recent Ly-alpha forest and bias analysis of the SDSS with previous constraints from SDSS galaxy clustering, the latest supernovae, and WMAP . Combining WMAP and...
SDSS galaxy bias from halo mass-bias relation and its cosmological implications (2004)
Seljak, U., Makarov, A., Mandelbaum, R., Hirata, C., Padmanabhan, N., McDonald, P., ...
We combine the measurements of luminosity dependence of bias with the luminosity dependent weak lensing analysis of dark matter around galaxies to derive the galaxy bias and constrain nonlinear mass...
Exact likelihood evaluations and foreground marginalization in low resolution WMAP data (2004)
Slosar, A., Seljak, U., Makarov, A.
The existing analysis of WMAP data is based on approximations for the likelihood function, which is likely to be inaccurate on large scales. Here we present exact evaluations of the likelihood of the...
Cosmological parameters from SDSS and WMAP (2003)
Tegmark, M., Strauss, M., Blanton, M., Abazajian, K., Dodelson, S., Sandvik, H., ...
We measure cosmological parameters using the three-dimensional power spectrum P(k) from over 200,000 galaxies in the Sloan Digital Sky Survey (SDSS) in combination with WMAP and other data. Our...
The 3D power spectrum of galaxies from the SDSS (2003)
Tegmark, M, Blanton, M, Strauss, M, Hoyle, F, Schlegel, D, Scoccimarro, R, ...
We measure the large-scale real-space power spectrum P(k) using a sample of 205,443 galaxies from the Sloan Digital Sky Survey, covering 2417 square degrees with mean redshift z~0.1. We employ a...
Stellar and Dynamical Masses of Ellipticals in the Sloan Digital Sky Survey (2003)
Padmanabhan, N., Seljak, U., Strauss, M. A., Blanton, M. R., Kauffmann, G., Schlegel, D. J., ...
We study the variation of the dark matter mass fraction of elliptical galaxies as a function of their luminosity, stellar mass, and size using a sample of 29,469 elliptical galaxies culled from the...
A comparison of cosmological Boltzmann codes: are we ready for high precision cosmology? (2003)
Seljak, U., Sugiyama, N., White, M., Zaldarriaga, M.
We compare three independent, cosmological linear perturbation theory codes to asses the level of agreement between them and to improve upon it by investigating the sources of discrepancy. By...
Precision Cosmology from the Lyman-alpha Forest: Power Spectrum and Bispectrum (2003)
Mandelbaum, R., McDonald, P., Seljak, U., Cen, R.
We investigate the promise of the Ly-alpha forest for high precision cosmology in the era of the Sloan Digital Sky Survey using low order N-point statistics. We show that with the existing data one...
Mining Weak Lensing Surveys (2002)
Padmanabhan, N., Seljak, U., Pen, U. L.
We present a survey of the cosmological applications of the next generation of weak lensing surveys, paying special attention to the computational challenges presented by the number of galaxies,...
Wittman, D., Tyson, J. A., Dell'Antonio, I. P., Becker, A. C., Margoniner, V. E., Cohen, J., ...
The Deep Lens Survey (DLS) is a deep BVRz' imaging survey of seven 2x2 degree fields, with all data to be made public. The primary scientific driver is weak gravitational lensing, but the survey is...
We present a theoretical analysis of galaxy-galaxy lensing in the context of halo models with CDM motivated dark matter profiles. The model enables us to separate between the central galactic and...
Observations of galaxy-galaxy lensing from Sloan Digital Sky Survey (SDSS) are combined with the Tully-Fisher and fundamental plane relations to derive constraints on galactic halo profiles.We show...
Microwave Background Constraints on Cosmological Parameters (1997)
Zaldarriaga, M., Spergel, D., Seljak, U.
We use a high-accuracy computational code to investigate the precision with which cosmological parameters could be reconstructed by future cosmic microwave background (CMB) experiments, in particular...
Shear and Ellipticity in Gravitational Lenses (1996)
Keeton, C. R., Kochanek, C. S., Seljak, U.
Galaxies modeled as singular isothermal ellipsoids with an axis ratio distribution similar to the observed axis ratio distribution of E and S0 galaxies are statistically consistent with both the...
Recent results of PS195 (CPLEAR) tests of CP violation with K$^0$ and $\bar K^0$ at LEAR (1992)
Touramais, C., Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., ...
Status and results from the CPLEAR collaboration at CERN (1992)
Adler, R., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C.P., ...
First determination of $CP$ violation parameters from K$^0$-$\bar{K}^0$ decay asymmetry (1992)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Recent results of PS195 (CPLEAR) tests of CP violation with K$^0$ and $\bar K^0$ at LEAR (1992)
Touramais, C., Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., ...
Status and results from the CPLEAR collaboration at CERN (1992)
Adler, R., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C.P., ...
First determination of $CP$ violation parameters from K$^0$-$\bar{K}^0$ decay asymmetry (1992)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Status of the CP LEAR experiment and first results (1991)
Santoni, C., Adler, R., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Interactions between trigger and detector on CPLEAR (1991)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Study of CP violation and CPT tests using K$^0\bar K^0$ interferometry (1991)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Initial performance of CPLEAR (1991)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Status of the CP LEAR experiment and first results (1991)
Santoni, C., Adler, R., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Interactions between trigger and detector on CPLEAR (1991)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Study of CP violation and CPT tests using K$^0\bar K^0$ interferometry (1991)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Initial performance of CPLEAR (1991)
Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., ...
Measurement of the reaction pi+ p ---> pi+ pi+ n near threshold (1990)
OMICRON Collaboration, Kernel, G, Korbar, D, Krizan, P, Mikuz, M, Seljak, U, ...
Measurements of pion production in pi+- p interactions near threshold (1990)
OMICRON Collaboration, Kernel, G, Korbar, D, Krizan, P, Mikuz, M, Seljak, U, ...
Calibrating photometric redshifts of luminous red galaxies
Padmanabhan, N, Budavari, T, Schlegel, DJ, Bridges, T, Brinkmann, J, Cannon, R, ...
We discuss the construction of a photometric redshift catalogue of luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing...