[Todos] GGI Tea Breaks - Keith Olive - Wed. November 17th - 5:00PM CET

[Ernesto Arganda Carreras]

-------- Forwarded Message --------
Subject: 	Fwd: GGI Tea Breaks - Keith Olive - Wed. November 17th - 
5:00PM CET
Date: 	Mon, 15 Nov 2021 11:14:26 +0100
From: 	Agustin Sabio Vera <a.sabio.vera en gmail.com>
Reply-To: 	Agustin Sabio Vera <a.sabio.vera en gmail.com>
To: 	Dept. & IFT @ UAM <joint-list-dept-ift-l en uam.es>





---------- Forwarded message ---------
De: *GGI Secretariat* <segreteriaggi en fi.infn.it>
Date: lun, 15 nov 2021 a las 11:12
Subject: GGI Tea Breaks - Keith Olive - Wed. November 17th - 5:00PM CET
To: <ggi.participants en lists.fi.infn.it>, <ggi.students en lists.fi.infn.it>


Dear all,

we are happy to announce a new Theory Colloquium on the theory of 
fundamental interactions within the *GGI Tea Breaks’* series.
It will take place via Zoom at: https://infn-it.zoom.us/j/83324611205

on

*Wednesday November 17th *at*_5__:00 PM_ *(CET)

and will be given by

*Keith Olive (University of Minnesota)**
*

He will talk about * “Big Bang Nucleosynthesis - Post Planck"*

*Abstract*

Big bang nucleosynthesis provides a window to the physics of the 
universe just seconds after the big bang. Its predictions of the light 
element abundances of D, 4He, and 7Li can be compared with observational 
determinations. Over the last several years, significant progress has 
been made in the determinations of deuterium and helium abundances and 
most importantly results from Planck measurements of the microwave 
background have provided precise values for the baryon density of the 
universe, a key input used in abundance predictions. Planck data is 
combined with BBN to test the consistency of the Standard Model. Recent 
nuclear cross section data and its effect on BBN precision is also 
discussed. These predictions are sensitive to the conditions when the 
temperature of the universe was ≈ MeV or ≈ 10^10 K. Using inputs from 
the standard model of cosmology and particle physics yields excellent 
agreement between theory and experiment. Thus deviations from the 
standard model such as the number of particle degrees of freedom (often 
parametrized as the number of neutrino flavors) can be tested.

Ample space for questions and discussion will be allocated at the end of 
the TH Colloquium.  We have also created an online Q&A space for each 
seminar. You can submit your question by filling the form 
<https://docs.google.com/forms/d/e/1FAIpQLSfskqHeUko1e_GxLng6fDquV4JANEZQARIa2m9YF_voyxs6JQ/viewform>. 
The answers will be published soon after.

For more info see https://www.ggi.infn.it/seminars

Please forward this announcement to anyone who might be interested.
We wait for your participation,


The Organising Committee of the GGI Tea Breaks

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