High Energy Physics News & Events

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Dark Glueballs in Cosmology

Speaker
Roman Pasechnik (U. Lund)
Event date
Venue
Hybrid: Room Sousa Pinto and Zoom
Ends on
Event type

Glueball Dark Matter Revisited

Pierluca Carenza, Roman Pasechnik, Gustavo Salinas, and Zhi-Wei Wang

2207.13716 [hep-ph]

 

Numerical black hole perturbation theory

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Speaker
Lidia Gomes da Silva (QMUL, London)
Event date
Venue
On-site: Room 11.2.21
Event type
Extreme-Mass-Ratio-Inspirals (EMRIs) modelling in time-domain has been anything but trivial due to the challenges associated with resolving the discontinuity emerging from the point-particle model

Detecting environmental effects

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Speaker
Laura Sberna (Albert Einstein Institute, Potsdam)
Event date
Venue
Online only
Event type

Gravitational-wave observations of extreme mass ratio inspirals (EMRIs) hold incredible potential to probe gravity, astrophysical and exotic environments. One of the main effects of astrophysical environments — in particular active galactic nuclei — is the torque exerted by their gaseous disk, which forces EMRIs to “migrate” (mostly) inward like planets.

Primordial Black Holes from Inflation: recent challenges and opportunities in the GW era

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Speaker
Gabriele Franciolini (Sapienza University)
Event date
Venue
Online only
Event type

Primordial black holes (PBHs) might form in the early universe and could comprise a significant fraction of the dark matter. If they are generated due to enhanced scalar perturbations at small scales, their formation is inevitably accompanied by the emission of gravitational waves (GWs) that could be seen by current and future GW experiments.