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The Chalonge School 16th Paris Cosmology Colloquium 2012 "The New Standard Model of the Universe: Lambda Warm Dark Matter. Theory and Observations"
 
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Hector de Vega



Joined: 31 Aug 2006
Posts: 23
Affiliation: LPTHE, CNRS, Universite' Paris VI

PostPosted: December 15 2011  Reply with quote

Ecole Internationale d'Astrophysique Daniel Chalonge

The Chalonge School 16th Paris Cosmology Colloquium 2012 "The New Standard Model of the Universe: Lambda Warm Dark Matter. Theory and Observations"

Support to the James Webb Space Telescope

Paris, Observatoire de Paris, in the Historic Perrault building

Dates: 25, 26, 27 JULY 2012

URL: http://www.chalonge.obspm.fr/colloque2012.html

1. SUMMARY

Recently, Warm (keV scale) Dark Matter emerged impressively over CDM (Cold
Dark Matter) as the leading Dark Matter candidate. Astronomical evidence
that Cold Dark Matter (LambdaCDM) and its proposed tailored cures do not
work at small scales is staggering. LambdaWDM solves naturally the problems
of LambdaCDM and agrees remarkably well with the observations at small as
well as large and cosmological scales. LambdaWDM numerical simulations
naturally agree with observations at all scales, in contrast to LambdaCDM
simulations which only agree at large scales.

In the context of this new Dark Matter situation, which implies novelties
in the astrophysical, cosmological and keV particle physics context, this
16th Paris Colloquium 2012 is devoted to the LambdaWDM Standard Model of
the Universe.

In summary, the aim of the meeting is to put together real data :
cosmological, astrophysical, particle, nuclear physics data, and hard
theory predictive approach connected to them in the framework of the Lambda
WDM Standard Model of the Universe.

2. THIS COLLOQUIUM

This Colloquium is within the astrofundamental physics spirit of the
Chalonge School, focalised on recent observational and
theoretical progress in the CMB, dark matter, dark energy, structure
formation, and the theory of the early universe inflation with
predictive power in the context of the LambdaWDM Standard Model of the
Universe. The Colloquium addresses as well the theory
and experimental search for the WDM particle physics candidates (keV
sterile neutrinos). Astrophysical constraints including Lyman alpha bounds
put the sterile neutrino mass m in the range 1< m <13 keV. WDM predictions
for EUCLID and PLANCK start to to be available. MARE and an adapted KATRIN
experiment could detect a keV sterile neutrino. It will be a fantastic
discovery to detect dark matter in a beta decay. A formidable WDM work to
perform is ahead of us.

3. TOPICS

Observational and theoretical progress on the nature of dark matter : keV
scale warm dark matter. Cored density profiles in agreement with
observations. Large and small scale structure formation in agreement with
observations at large scales and small (galactic) scales. Warm (keV scale)
dark matter from theory and observations. Warm (keV scale) dark matter
N-body simulations in agreement with observations. Neutrinos in
astrophysics and cosmology. The new serious dark matter candidate: Sterile
neutrinos at the keV scale.Neutrinos mass bounds from cosmological data and
from high precision beta decay experiments. Dark energy: cosmological
constant: the quantum energy of the cosmological vacuum. The analysis of
the CMB+LSS+SN data with the effective (Ginsburg-Landau) effective theory
of inflation: New Inflation (double well inflaton potential) strongly
favored by the CMB + LSS + SN data. The presence of the lower bound for the
primordial gravitons (non vanishing tensor to scalar ratio r) with the
present CMB+LSS+SN data. CMB news and polarization. Forecasts and Planck
results, and Other Topics.

4. FORMAT and EXHIBITION

Sessions last for three days in the beautiful parisian campus of
Observatoire de Paris (built on orders from Colbert and to plans by Claude
Perrault from 1667 to 1672). All sessions take place at the Salle Cassini
(Cassini Hall) in the historic Perrault building ("Bātiment Perrault") of
Observatoire de Paris HQ, just upstairs "Salle du Conseil" (Council Room).
All Coffee-Tea breaks take place at the "Salle du Conseil" under the
portraits of Laplace, Le Verrier, Lalande, Arago, Delambre and Louis XIV.
The Registration desk and the Secretariat of the Colloquium take place at
the "Grande Galerie" (Great Gallery) just aside facing Salle du Conseil

An exhibition at the "Grand Galerie" (Great Gallery) and "Salle Cassini"
(Cassini Hall) will retrace the 21 years of activity of the Chalonge School
and "the Golden Days" in "Astrofundamental Physics": The Construction of
the Standard Model Of the Universe. The World High Altitude Observatories
Network: World Cultural and Scientific Heritage.

All Lectures are followed by a discussion. All participants are invited to
take part in the discussions.

The Meeting is open to all scientists interested in the subject.

Informations about this Colloquium, participation information and
background information are displayed at the Chalonge School web site:

http://www.chalonge.obspm.fr/colloque2012.html

Informations on the previous Paris Cosmology Colloquia and of the school
events (lecturers, lists of participants, lecture pdf files and photos
during the Colloquia) are available at http://www.chalonge.obspm.fr

Early Registration is strongly encouraged.

Looking forward to Welcome you in Paris.

With compliments and kind regards,

[Log in to view email]

http://chalonge.obspm.fr

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