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798 results on '"Simoni, F."'

219. Central nervous system involvement at diagnosis in a case of pediatric CD30+ anaplastic large cell lymphoma

Author

Kaplinsky, C., primary, Toren, A., additional, Neumann, Y., additional, Mandel, M., additional, Kenet, G., additional, Sharon, N., additional, Rechavi, G., additional, Biniaminov, M., additional, Rubanov, V., additional, Rosenthal, E., additional, Rosner, E., additional, Mark, Z., additional, Amariglio, N., additional, and Brok-Simoni, F., additional

Published
1997
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226. Translocation (2;14)(p13;q32) in CD10+;CD13+ acute lymphatic leukemia

Author

Berkowicz, M., primary, Toren, A., additional, Rosner, E., additional, Biniaminov, M., additional, Rosenthal, E., additional, Gipsh, N., additional, Berman, S., additional, Hardan, I., additional, Mandel, M., additional, Amarigho, N., additional, Mark, Z., additional, Soffer, O., additional, Rannani, P., additional, Kenet, G., additional, Neumann, Y., additional, Sharon, N., additional, Brok-Simoni, F., additional, Rubnov, V., additional, Ben-Bassat, I., additional, and Rechavi, G., additional

Published
1995
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242. Tracing the sound horizon scale with photometric redshift surveys.

Author

Sánchez, E., Carnero, A., García-Bellido, J., Gaztañaga, E., de Simoni, F., Crocce, M., Cabré, A., Fosalba, P., and Alonso, D.

Subjects
ASTRONOMICAL photometry, REDSHIFT, METAPHYSICAL cosmology, BARYONS, EMPIRICAL research, MEASUREMENT errors, DARK energy, STATISTICAL correlation
Abstract

We propose a new method for the extraction cosmological parameters using the baryon acoustic oscillation (BAO) scale as a standard ruler in deep galaxy surveys with photometric determination of redshifts. The method consists in a simple empirical parametric fit to the angular two-point correlation function . It is parametrized as a power law to describe the continuum and as a Gaussian to describe the BAO bump. The location of the Gaussian is used as the basis for the measurement of the sound horizon scale. This method, although simple, actually provides a robust estimation, since the inclusion of the power law and the use of the Gaussian remove the shifts which affect the local maximum. We discuss the effects of projection bias, non-linearities, redshift space distortions and photo- z precision and apply our method to a mock catalogue of the Dark Energy Survey, built upon a large N-body simulation provided by the MICE collaboration. We discuss the main systematic errors associated with our method and show that they are dominated by the photo- z uncertainty. [ABSTRACT FROM AUTHOR]

Published
2011
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250. Characterization of Nano-PDLC as Optical Data Storage Materials.

Author

Criante, L., Lucchetta, D. E., and Simoni, F.

Subjects
LIQUID crystals, OPTICAL disk drives, HOLOGRAPHY, OPTICAL reflection, DIFFRACTION gratings, LIQUID crystal displays
Abstract

We report optical characterization of holographic reflection grating recorded in Nano-PDLC in view of their application as basic materials for a new generation of optical disk. The evaluation of the critical parameters of the holographic materials has been achieved by analyzing the experimental data through the existing theories. The procedure allows to evaluate: diffraction efficiency, sensitivity, index modulation, optical shrinkage, absorption. The recorded gratings fulfill most of the requirements for this application. [ABSTRACT FROM AUTHOR]

Published
2006
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