21st January 2021 – London Cosmology Discussion Meeting

At this discussion meeting, KCL conducted a poll of attendees asking for their opinion on ‘What is Dark Matter Really?’. The result of the poll is below!

in the browser14.00–14.30: James Alvey (KCL) – Degeneracy, Dwarfs, and (Fermionic) Dark Matter
14.30–15.00: Daniel Thomas (QMUL) – Coldness of dark matter: theoretical convenience or observational fact?

15.00–15.40: Discussion / coffee break

15.40–16.10: Corentin Cadiou (UCL) – Angular momentum evolution can be predicted from cosmological initial conditions
16.10–16.40: Nashwan Sabti (KCL) – What BBN can tell us about thermal dark sectors

10th December 2020 – London Cosmology Discussion Meeting

2:20pm – 2:30pm Joining meeting
2:30pm – 2:50pm Brainstorming on future challenges
2:50pm – 3:30pm Andrew Jaffe: “Anisotropies of the gravitational wave

3:30pm – 3:50pm Coffee break
3:50pm – 4:30pm Alexander Jenkins: “Modelling and measuring the
astrophysical GW background”

4:30pm – 5:10pm Katarina Martinovic: “Separating SGWB Sources”
5:10pm – 5:30pm Further discussion

19th November 2020 – London Cosmology Discussion Meeting

2:30pm-2:40pm Joining meeting
2:40pm-3:05pm Ze Fonseca (QMUL), Line Intensity Mapping: A “Novel” window to the cosmic web
3:15pm-3:40pm Steve Cunnington (QMUL), Introducing 21cm Intensity Mapping and its potential to unlock the largest scales
3:50pm-4:15pm Ian Hothi (ICL), Comparing Foreground Removal Techniques for Recovery of the LOFAR-EoR 21cm Power Spectrum
4:15pm-4:30pm Questions, and discussion re: format of following meetings

27th February 2020 – London Cosmology Discussion Meeting

14.00–14.35: Eugene Lim – “Numerical Relativity of Weird Stuff”
14.35–15.10: Constantina Nicolaou“The Impact of Peculiar Velocities on the Calculation of H_0 from Gravitational Waves”
15.10–15.50: Coffee break
15.50–16.25: Alex Jenkins“Probing the Early and Late Universe with the Gravitational-Wave Background”
16.25–17.00: Arianna Renzini“High Angular Resolution Gravitational-Wave Astronomy”

23rd January 2020 – London Cosmology Discussion Meeting

Theme: “Neutrinos in Cosmology”
14.00–14.35: Miguel Escudero – Neutrino Cosmology in 2020: Where do we stand?
14.35–15.10: Constance Mahony – Target Neutrino Mass Precision for Determining the Neutrino Hierarchy
15.10–15.50: Coffee break
15.50–16.25: James Alvey – Big Bang Nucleosynthesis with Light Thermal Dark Sectors
16.25–17.00: Sophie King – From T2K to Hyper-K: A new era of precision in neutrino physics

5th December 2019 – London Cosmology Discussion Meeting

Theme: "Forward modelling in cosmology".
14:00-14:25 (20+5') Stephen Feeney (UCL) - TBA
14:25-14:50 (20+5') Cora Uhlemann (U. Cambridge/Newcastle U.) - Going forward with counts-in-cells
14:50-15:15 (20+5') Krishna Naidoo (UCL) - Beyond two-point statistics: using the minimum spanning tree for cosmology on the next generation of galaxy surveys
15:15-15:50 Coffee break
15:50-16:15 (20+5') Natalia Porqueres (IC) - Inferring the dynamical growth of structures at high-redshift from the Lyman-alpha forest
16:15-16:40 (20+5') Phill Bull (QMUL) - Forward modelling in the context of high dynamic range 21cm experiments
16:40-17:00 Discussion session

7th June 2019 – London Cosmology Discussion Meeting

Theme: Baryons in Cosmology

14:00-14:30: Catherine Watkinson (Imperial) – Cosmology from 21cm maps
14:30-15:00: Nicolas Laporte (UCL P&A) – The onset of star formation 250 million years after the Big Bang
15:00-15:30: Coffee break
15:30-16:00: Bernard Carr (Queen Mary) – Primordial Black Holes and the role of MACHOs in as dark matter
16:00-17:00: Discussion

28th February 2019 – London Cosmology Discussion Meeting

Theme: Tensions in Cosmology

14:00 – 14:25 Andrew Jaffe (Imperial): Planck 2018 results and tensions with external data sets
14:25 – 14:50 Daniel Mortlock (Imperial): Local measurements of H_0
14:50 – 15:15 Pablo Lemos (UCL): Quantifying tension in cosmology 
15:15 – 15:45 Coffee break at the RAS
15:45 – 16:10 Benjamin Joachimi (UCL): Weak lensing measurements and the sigma_8 tension
16:10 – 16:35 Eugene Lim (King’s): Tensions in inflationary cosmology
16:35 – 17:00 Open discussion

24th January 2019 – London Cosmology Discussion Meeting

Theme: Cosmological probes of new physics
14.00-14.05: Updates from the organisers
14.05-14.40: Miguel Escudero (KCL) – “Relaxing the Hubble tension with a very light L_\mu – L_\tau gauge boson”
14.40-15.15: Stephen Stopyra (UCL) – “Inflationary vacuum decay as a probe of high energy physics”
15.15-15.45: Coffee break
15.45-16.20: Alistair Wickens (KCL) – “Gravitational waves from hot and cold hidden sectors”
16.20-16.55: Charalambos Pittordis (QMUL) – “Testing modified gravity theories via wide binaries and GAIA”
16.55-17.00: Discussion