[Alumnos] HOY 13 hs. Seminario - Dr. Jean-Christophe Hamilton

[Secretaría de Ciencia y Técnica]

Estimados,

Les recordamos que hoy tendremos el siguiente seminario a las 13:00 hs. 
en el Salón Meridiano. Los esperamos 15 minutos antes del Seminario con 
café y galletitas.

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Secretaría de Ciencia y Técnica
FCAGLP

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**Seminario: *Dr. Jean-Christophe Hamilton*

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Astroparticule et Cosmologie - CNRS - Université Denis Diderot-Paris, 
Francia


Título: Exploring the inflation era with CMB Polarization.

Resumen: The CMB radiation is an amazing observable that nature offered 
to cosmologists throughout the Universe. Observed from here and now, its 
temperature and polarization anisotropies reveal the geometry of the 
Universe through which the radiation has travelled for 13.6 billion 
years and therefore allows to put tight constraints on cosmological 
parameters. Furthermore, specific features in the temperature and even 
more in the polarisation patterns are directly related to events that 
happened in the very primordial Universe.

Specifically, polarization B- modes are predicted by the inflationary 
theory and their detection would not only strongly support inflation as 
the origin of the fluctuations in the Universe, but also allow to 
understand the physics of the inflation era.

In order to observe these B-modes a lot of experimental efforts are 
ongoing throughout the world with various instrumental designs optimized 
for various important observational aspects. Among the many instruments 
dedicated to these quest, QUBIC (first module to be installed next year 
in the Puna region, Prov. Salta, Argentina) is an original instrument 
using the novel technique of Bolometric Interferometry that offers high 
sensitivity, an unprecedented level of control of instrumental 
systematics and the very promising ability to operate in a 
spectro-imaging mode allowing to distinguish between primordial features 
in the CMB and foreground emission thanks to their different colour.

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