[Astro] [CAPT] CAPT Weekly Bulletin (w/c 25-11-24)

[Ella Batchelor]

Monday 25th November at 3pm, A113 CAPT – Theoretical Physics Student Seminar

Kieran Wood

Ghost free deconstruction of higher dimensional gravity, but *properly this time

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Tuesdays at 11am, CAPT Foyer – Astro Coffee


Tuesday 26th November at 1pm, A113 CAPT – Particle Cosmology and Gravity Seminar

Tamara Evstafyeva (Perimeter Institute, Canada)

Gravitational-wave data analysis with numerical relativity simulations of boson star mergers


Gravitational-wave signals detected to date are commonly interpreted under the paradigm that they originate from pairs of black holes or neutron stars. In this talk I will explore the alternative scenario of boson-star signals being present in the data stream and address the questions of whether they could be detected and differentiated from gravitational wave signals from binary black holes and neutron stars. I will then discuss the prospects and challenges of the research programmes targeting the tests of the GR+SM paradigm.

Link to join: https://teams.microsoft.com/l/meetup-join/19%3ameeting_OGM3OTk5NzQtZWEwZS00ZmUyLTk3MGUtZjFhY2M5OTU2MjI1%40thread.v2/0?context=%7b%22Tid%22%3a%2267bda7ee-fd80-41ef-ac91-358418290a1e%22%2c%22Oid%22%3a%22f3250584-4b5f-48fa-a897-08e77f2246b7%22%7d
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Thursday 28th November at 1pm, A113 CAPT – Astronomy Lunch Talk

Luke Conaboy

Connecting high-redshift galaxies and the intergalactic medium



Cross-correlating the location of high-redshift galaxies with regions of Lyman a (Ly a) transmission in the intergalactic medium (IGM) is a potentially promising probe of the tail end of reionisation. Current observational constraints are limited, but ongoing JWST programs will provide new insights. Numerical modelling of this signal, however, lacks consensus. Here, I will present our work exploring the galaxy--Ly a transmission correlation in the Sherwood-Relics suite of hybrid radiation-hydrodynamical simulations. I will highlight the physical mechanisms driving the signal, and discuss avenues for future research.



Thursday 28th November at 3pm, A113 CAPT – Particle Cosmology Journal Club
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Friday 29th November at 2pm, A113 CAPT – CAPT Coding Club
Using Astropy with Kellie de Vos

Fridays at 4pm, CAPT Foyer – CAPT Cakes
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If you have any events/visitors you would like included in next week’s bulletin, please let me know


Best wishes

Ella

Ella Batchelor (she/her)
Administrator

School of Physics & Astronomy

University of Nottingham
A112a Centre for Astronomy & Particle Theory
University Park
Nottingham, NG7 2RD

+44 (0) 115 74 86778 |  nottingham.ac.uk<http://nottingham.ac.uk/>

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