Rocha, G., Pagano, L., Górski, K. M., Huffenberger, K. M., Lawrence, C. R., Lange, A. E.
We introduce a new method to propagate uncertainties in the beam shapes used to measure the cosmic microwave background to cosmological parameters determined from those measurements. The method,...
Takahashi, Y. D., Ade, P. A. R., Barkats, D., Battle, J. O., Bierman, E. M., Bock, J. J., ...
BICEP is the first experiment designed specifically to search for the signature of inflationary gravitational waves in the polarization of the cosmic microwave background (CMB). Using a novel...
Measurement of CMB Polarization Power Spectra from Two Years of BICEP Data (2009)
Chiang, H. C., Ade, P. A. R., Barkats, D., Battle, J. O., Bierman, E. M., Bock, J. J., ...
BICEP is a bolometric polarimeter designed to measure the inflationary B-mode polarization of the cosmic microwave background (CMB) at degree angular scales. During three seasons of observing at the...
Making maps from Planck LFI 30 GHz data with asymmetric beams and cooler noise (2009)
Baccigalupi, C., Bartlett, J. G., Borrill, J., Cantalupo, C., De Gasperis, G., ...
The PLANCK satellite will observe the full sky at nine frequencies from 30 to 857 GHz. Temperature and polarization frequency maps made from these observations are prime deliverables of the PLANCK...
Making maps from Planck LFI 30 GHz data with asymmetric beams and cooler noise (2009)
Ashdown, M. A. J., Baccigalupi, C., Bartlett, J. G., Borrill, J., Cantalupo, C., De Gasperis, G., ...
CMBPol Mission Concept Study: Prospects for polarized foreground removal (2008)
Dunkley, J., Amblard, A., Baccigalupi, C., Betoule, M., Chuss, D., Cooray, A., ...
In this report we discuss the impact of polarized foregrounds on a future CMBPol satellite mission. We review our current knowledge of Galactic polarized emission at microwave frequencies, including...
Making Maps from Planck LFI 30GHz Data with Asymmetric Beams and Cooler Noise (2008)
Ashdown, M. A. J., Baccigalupi, C., Bartlett, J. G., Borrill, J., Cantalupo, C., De Gasperis, G., ...
The Planck satellite will observe the full sky at nine frequencies from 30 to 857 GHz. The goal of this paper is to examine the effects of four realistic instrument systematics in the 30 GHz...
Discussion: A tale of three cousins: Lasso, L2Boosting and Dantzig (2008)
Meinshausen, N., Rocha, G., Yu, B.
Discussion of ``The Dantzig selector: Statistical estimation when $p$ is much larger than $n$'' by Emmanuel Candes and Terence Tao [math/0506081]
S. L. Bridle, M. P. Hobson, A. N. Lasenby, O. Lahav, G. Rocha
Observations of large scale structure (LSS) and the Cosmic Microwave Background (CMB) each place separate constraints on the values of cosmological parameters. We calculate a joint likelihood based...
Kanekar, N., Carilli, C. L., Langston, G. I., Rocha, G., Combes, F., Subrahmanyan, R., ...
We have detected the four 18cm OH lines from the $z \sim 0.765$ gravitational lens toward PMN J0134-0931. The 1612 and 1720 MHz lines are in conjugate absorption and emission, providing a laboratory...
Rajguru, N., Myers, S. T., Battye, R. A., Bond, J. Richard, Cleary, K., Contaldi, C. R., ...
We present coincident observations of the Cosmic Microwave Background (CMB) from the Very Small Array (VSA) and Cosmic Background Imager (CBI) telescopes. The consistency of the full datasets is...
Updates on SuZIE and Python (2004)
Ganga, K., Coble, K., Kovac, J., Dragovan, M., Holzapfel, B., Carlstrom, J., ...
SuZIE and Python are two mature cosmic microwave background (CMB) anisotropy experiments. In this presentation we preview recent oberservations from both experiments.
Ganga, K., Rocha, G., Stompor, R., Ratra, B., Platt, S., Sugiyama, N., ...
We use Python I, II, and III cosmic microwave background anisotropy data to constrain cosmogonies.
Tavares-Neto,J., Almeida,D., Soares,M. C., Uchoa,R., Viana,S., Darub,R., ...
In 1999, on the occasion of the application of the first vaccine dose during the state vaccination campaign against hepatitis B virus (HBV), 390 individuals from the town of Rio Branco, Acre, aged...
Topology of the Universe from COBE-DMR - a wavelet approach (2004)
Rocha, G., Cayón, L., Bowen, R., Canavezes, A., Silk, J., Banday, A. J., ...
Rocha, G., Trotta, R., Melchiorri, A., Avelino, P. P., Bean, R., ...
We present a detailed analysis of present and future Cosmic Microwave Background constraints of the value of the fine-structure constant, $\alpha$. We carry out a more detailed analysis of the WMAP...
New constraints on varying $\alpha$ (2003)
Rocha, G., Trotta, R., Melchiorri, A., Avelino, P. P., Viana, P. T. P.
We present a summary of recent constraints on the value of the fine-structure constant at the epoch of decoupling from the recent observations made by the Wilkinson Microwave Anisotropy Probe (WMAP)...
WMAP Constraints on varying $\alpha$ and the Promise of Reionization (2003)
Melchiorri, A., Rocha, G., Trotta, R., Avelino, P. P., Viana, P.
We present up-to-date constraints on the value of the fine-structure constant at the epoch of decoupling from the recent observations made by the Wilkinson Microwave Anisotropy Probe (WMAP)...
Topology of the universe from COBE-DMR; a wavelet approach (2002)
Rocha, G., Cayon, L., Bowen, R., Canavezes, A., Silk, J., Banday, A. J., ...
In this paper we pursue a new technique to search for evidence of a finite Universe, making use of a spherical mexican-hat wavelet decomposition of the microwave background fluctuations. Using the...
Melchiorri, A., Trotta, R., Bean, R., Rocha, G., Avelino, P. P., ...
We extend our recent work on the effects of a time-varying fine-structure constant $\alpha$ in the cosmic microwave background, by providing a thorough analysis of the degeneracies between $\alpha$...
Early-universe constraints on a time-varying fine structure constant (2001)
Avelino, P. P., Esposito, S., Mangano, G., Melchiorri, A., Miele, G., ...
Higher-dimensional theories have the remarkable feature of predicting a time (and hence redshift) dependence of the `fundamental' four dimensional constants on cosmological timescales. In this paper...
Looking for a varying $\alpha$ in the Cosmic Microwave Background (2000)
Avelino, P. P., Rocha, G., Viana, P.
We perform a likelihood analysis of the recently released BOOMERanG and MAXIMA data, allowing for the possibility of a time-varying fine-structure constant. We find that in general this data prefers...
VSL theories and the Doppler peak (2000)
We discuss constraints on so-called `varying speed of light theories' coming from the physics of the early universe. Specifically, we consider the position of the first acoustic peak of the CMB...
Baker, Joanne C., Grainge, Keith, Hobson, M. P., Jones, Michael E., Kneissl, R., Lasenby, A. N., ...
We describe observations at frequencies near 15 GHz of the second 2x2 degree field imaged with the Cambridge Cosmic Anisotropy Telescope (CAT). After the removal of discrete radio sources, structure...
Jones, A. W., Hancock, S., Lasenby, A. N., Davies, R. D., Gutierrez, C. M., Rocha, G., ...
The complete set of data from the Tenerife 10 GHz (8 degree FWHM) twin-horn, drift scan experiment is described. These data are affected by both long-term atmospheric baseline drifts and short term...
Beirao, I, Lobato, L, Guimaraes, S, Cardoso, P, Costa, P, Coelho, T, ...
Constraints on cosmological parameters from recent measurements of CMB anisotropy (1997)
Hancock, S., Rocha, G., Lasenby, A. N., Gutierrez, C. M.
A key prediction of cosmological theories for the origin and evolution of structure in the Universe is the existence of a `Doppler peak' in the angular power spectrum of cosmic microwave background...
Studies of CMB structure at Dec=40. II: Analysis and cosmological interpretation (1997)
Hancock, S., Gutierrez, C. M., Davies, R. D., Lasenby, A. N., Rocha, G., Rebolo, R., ...
We present a detailed analysis of the cosmic microwave background structure in the Tenerife Dec=+40 degrees data. The effect of local atmospheric contributions on the derived fluctuation amplitude is...
DNA index and S phase fraction in uveal malignant melanomas.
Hodge, W G, Duclos, A J, Rocha, G, Antecka, E, Baines, M G, Corriveau, C, ...
AIMS--To predict 5 year survival in patients with uveal malignant melanomas DNA indices were studied. METHODS--Using 45 paraffin embedded uveal malignant melanomas, the DNA index and S phase fraction...
Sanchez-Thorin, J. C., Rocha, G., Yelin, J.
BACKGROUND/AIMS—Bare sclera resection with and without use of mitomycin C and conjunctival autograft placement are three surgical techniques currently in use for the treatment of primary pterygium....