[Astro] [CAPT] Fw: Seminar by David Kaiser (MIT)

[Swagat Mishra]

Dear All,
  Please see the attached announcement about seminar by David Kaiser in September.

With Regards,
- Swagat



Swagat Saurav Mishra,

Postdoctoral Research Associate

​

Particle Cosmology Group,

Centre for Astronomy and Particle Theory,

University of Nottingham, Nottingham NG7 2RD, UK.

Website: https://swagatam18.wordpress.com/

Research Link:https://inspirehep.net/authors/1517353

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From: NCOG-people <ncog-people-bounces at lists.nottingham.ac.uk> on behalf of Patrik Svancara (staff) <pmzps at exmail.nottingham.ac.uk>
Sent: 09 August 2024 09:08
To: Silke Weinfurtner (staff) <pmzscw at exmail.nottingham.ac.uk>; Jorma Louko (staff) <pmzjmtl at exmail.nottingham.ac.uk>; O365-Gravity Laboratory <o365-gravitylaboratory at UniofNottm.onmicrosoft.com>; ncog-people at nottingham.ac.uk <ncog-people at nottingham.ac.uk>; Anastasios Avgoustidis (staff) <ppzaa3 at exmail.nottingham.ac.uk>
Subject: [Ncog-people] Seminar by David Kaiser (MIT)
When: 13 September 2024 11:00-12:00.
Where: A17 Maths

Dear all

David Kaiser from MIT is visiting our group on 12 and 13 September. He kindly agreed to give a seminar talk, which will take place on Friday 13 September 2024 at 11 am in room A17 in Maths. The title and abstract od David's talk are below:

Primordial Black Holes as Dark Matter: Production Mechanisms and Detection Strategies

For fifty years, physicists have been stymied by the puzzle of dark matter. From the motion of enormous clusters of galaxies to the rate at which individual galaxies spin, decades of careful measurements have indicated that all the visible matter astronomers can observer contributes a tiny fraction to the total mass contained within the observable universe. Many hypothetical new particles have been proposed, which might play the role of dark matter, from weakly interacting massive particles (WIMPs) to ultralight particles such as axions. Yet after decades of meticulous experiments, no clear evidence of any such particle has turned up. In recent years, many physicists and cosmologists have returned to a different idea: what if all of dark matter consists of ordinary matter locked up within black holes, which could have formed during the earliest moments in cosmic history? Theorists have identified several plausible mechanisms by which a population of such primordial black holes could have formed, and recent observations have constrained — but not eliminated — the range of masses within which primordial black holes could constitute all of dark matter while remaining consistent with various observations. More recently, several groups around the world (including my own) have proposed new tests that could yield evidence that primordial black holes really do exist and contribute to the dark matter abundance. Based on https://arxiv.org/abs/2303.02168 , https://arxiv.org/abs/2310.16877 , and https://arxiv.org/abs/2312.17217.


Best regards
Patrik

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