Hostname: page-component-848d4c4894-hfldf Total loading time: 0 Render date: 2024-06-01T03:17:39.009Z Has data issue: false hasContentIssue false
  • English
  • Français

Precision CMB Polarization from Dome-C: the BRAIN experiment

Published online by Cambridge University Press:  05 January 2006

M. Giard ,
F. Casoli ,
F. Paletou ,
S. Masi ,
P. de Bernardis ,
C. Giordano ,
F. Nati ,
F. Piacentini ,
G. Polenta  and
M. Veneziani
...Show all authors
S. Masi
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
P. de Bernardis
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
C. Giordano
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
F. Nati
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
F. Piacentini
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
G. Polenta
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
M. Veneziani
Affiliation:
Department of Physics, University of Rome “La Sapienza”, Italy
M. Gervasi
Affiliation:
Department of Physics, University of Milano Bicocca, Italy
G. Sironi
Affiliation:
Department of Physics, University of Milano Bicocca, Italy
A. Tartari
Affiliation:
Department of Physics, University of Milano Bicocca, Italy
M. Zannoni
Affiliation:
Department of Physics, University of Milano Bicocca, Italy
S. Peterzen
Affiliation:
ISTARS and Agenzia Spaziale Italiana, Italy
J. Bartlett
Affiliation:
Cosmology Group, Collège de France, Paris, France
Y. Giraud-Heraud
Affiliation:
Cosmology Group, Collège de France, Paris, France
M. Piat
Affiliation:
Cosmology Group, Collège de France, Paris, France
C. Rosset
Affiliation:
Cosmology Group, Collège de France, Paris, France
M. Giard
Affiliation:
CESR, Toulouse, France
R. Pons
Affiliation:
CESR, Toulouse, France
B. Maffei
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
P. Ade
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
W. Gear
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
P. Mauskopf
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
L. Piccirillo
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
G. Pisano
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
G. Savini
Affiliation:
Department of Physics and Astronomy, University of Cardiff, UK
Get access

Abstract

In the current cosmological scenario, part of the linearly polarized emission of the CMB is expected to be rotational (B-modes). This component is due to tensor perturbations of the metric produced by primordial gravitational waves, which are generated a split-second after the Big Bang. The signal expected is of the order of ≲ 0.1 μK, well below the non-rotational component of the polarization signal (E-modes), and beyond the sensitivity of present generation instruments. New, more sensitive instruments are developed in several labs, with the goal to measure the B-modes. Control of systematics and foregrounds will be the key to make the results of these experiments believable. In this paper we shortly outline BRAIN, a bolometric interferometer devoted to B-modes research, and its pathfinder experiment, devoted to test the Dome-C site.


Type
Research Article
Information
European Astronomical Society Publications Series , Volume 14: Dome C Astronomy and Astrophysics Meeting , 2005 , pp. 87 - 92
Copyright
© EAS, EDP Sciences, 2005

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)