FWI Also see below the planned colloquia in the next year. Ciao, A #---------------------------------------------------------------------# Alberto Mariotti Vrije Universiteit Brussel (VUB) https://we.vub.ac.be/HEPVUB Phone: +32 (0) 2 629 32 15 E-mail: alberto.mariotti@vub.be Address: Vrije Universiteit Brussel Physics Department Elementary Particles Research Group Pleinlaan 2, 1050 Brussels, Belgium #---------------------------------------------------------------------#

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From: Andrew Taylor <andrew.taylor@desy.de> Subject: EuCAPT Colloquium Tue Nov 14th 15.00 CET: Cosmology with gravitational-wave standard sirens, Nicola Tamanini Date: 9 November 2023 at 13:12:57 CET To: EuCAPT-members@cern.ch Resent-From: <alberto.mariotti@vub.be>

Dear All,

We are very pleased to announce the first colloquium in the EuCAPT virtual colloquia series for this academic year.

The colloquium is scheduled at 15.00 CET on Tuesday, November 14:

TITLE: Cosmology with gravitational-wave standard sirens SPEAKER: Nicola Tamanini, Laboratoire des 2 Infinis-Toulouse, France

ABSTRACT: Gravitational-wave (GW) cosmology has recently been established as a new observationally-driven research field, and is expected to expand rapidly in the future thanks to the increasing number of ever more accurate GW observations. In this talk I will review the current status of GW cosmological results and will survey the expectations for the future. I will first introduce the concept of "standard siren” reviewing its theoretical foundations and phenomenological applications. Standard sirens represent the most common methodology employed to extract cosmological information from GW data, including new tests of LCDM which cannot be performed with standard electromagnetic observations. I will then show how these methods are employed to produce cosmological constraints with current GW data collected by LIGO and Virgo, and how they will usher an era of precise GW cosmology with next generation GW observatories, such as the Einstein Telescope on the Earth and LISA in space.

Full details (including zoom link): https://indico.cern.ch/category/12056/ <https://indico.cern.ch/category/12056/>.

Best regards,

Alessandra Silvestri (on behalf of the EuCAPT colloquium task force)

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Calendar of upcoming EuCAPT virtual colloquia (also available at https://indico.cern.ch/category/12056/ <https://indico.cern.ch/category/12056/>)

12th December - speaker: Elisa Resconi (Technical University of Munich, Germany); topic: NGC1068 as a neutrino source

9th January - speaker: Jocelyn Bell Burnell (University of Oxford, UK); topic: Women in Physics

13th February - speaker: Antonella Castellina (INFN Torino, Italy); topic: UHECR recent results

12th March - speaker: Paolo Creminelli (ICTP Trieste, Italy); topic: Inflation

9th April - speaker: Sam Witte (University of Barcelona, Spain); topic: Axions

14th May - speaker: Shinji Mukohyama (Kyoto University, Japan); topic: Dark Energy

11th June - speaker: Antonio Riotto (University of Geneva, Switzerland); topic: Primordial Black Holes