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Black Holes Dark Dress The impact of local Dark Matter halos on the mergers of primordial black hole binaries Bradley J Kavanagh GRAPPA, University of Amsterdam 27th September 2018 DESY Theory Workshop b.j.kavanagh@uva.nl @BradleyKavanagh

  1. Black Holes’ Dark Dress The impact of local Dark Matter halos on the mergers of primordial black hole binaries Bradley J Kavanagh GRAPPA, University of Amsterdam 27th September 2018 DESY Theory Workshop b.j.kavanagh@uva.nl @BradleyKavanagh Powered by

  2. arXiv:1805.09034, PRD 98, 023536 (2018) BJK, Daniele Gaggero & Gianfranco Bertone Could the observed LIGO events be due to merging Primordial Black Holes (PBHs)? How do local Dark Matter (DM) halos affect the merger rate of PBHs? Movies at tinyurl.com/DESYDarkDress 2 Bradley J. Kavanagh (GRAPPA, Amsterdam) Black Holes’ Dark Dress: Dark Matter & Merging PBHs

  3. Primordial Black Holes [ BJK , Gaggero & Bertone,1805.09034] LIGO sensitive here 3 Bradley J. Kavanagh (GRAPPA, Amsterdam) Black Holes’ Dark Dress: Dark Matter & Merging PBHs

  4. <latexit sha1_base64="c14WANAWJORnV5uBCV/g4PidjDA=">ACAHicbZDLSgMxFIYz9VbH26gLF26CRXFVZkTRCkLBjcsK9gKdoWTS0zY0kxmSjFCGbnwVNy4UcetjuPNtTNtZaOsPgS/OYfk/GHCmdKu+20VlpZXVteK6/bG5tb2jrO71BxKinUacxj2QqJAs4E1DXTHFqJBKFHJrh8HZSbz6CVCwWD3qUQBCRvmA9Rok2Vsc5IPjkBrtl18O+b8PsUqlcdJySMafCi+DlUEK5ah3ny+/GNI1AaMqJUm3PTXSQEakZ5TC2/VRBQuiQ9KFtUJAIVJBNFxjY+N0cS+W5giNp+7viYxESo2i0HRGRA/UfG1i/ldrp7p3FWRMJKkGQWcP9VKOdYwnaeAuk0A1HxkgVDLzV0wHRBKqTWa2CcGbX3kRGmdlz/D9eal6ncdRIfoCJ0iD12iKrpDNVRHFI3RM3pFb9aT9WK9Wx+z1oKVz+yjP7I+fwAmJI7</latexit> <latexit sha1_base64="c14WANAWJORnV5uBCV/g4PidjDA=">ACAHicbZDLSgMxFIYz9VbH26gLF26CRXFVZkTRCkLBjcsK9gKdoWTS0zY0kxmSjFCGbnwVNy4UcetjuPNtTNtZaOsPgS/OYfk/GHCmdKu+20VlpZXVteK6/bG5tb2jrO71BxKinUacxj2QqJAs4E1DXTHFqJBKFHJrh8HZSbz6CVCwWD3qUQBCRvmA9Rok2Vsc5IPjkBrtl18O+b8PsUqlcdJySMafCi+DlUEK5ah3ny+/GNI1AaMqJUm3PTXSQEakZ5TC2/VRBQuiQ9KFtUJAIVJBNFxjY+N0cS+W5giNp+7viYxESo2i0HRGRA/UfG1i/ldrp7p3FWRMJKkGQWcP9VKOdYwnaeAuk0A1HxkgVDLzV0wHRBKqTWa2CcGbX3kRGmdlz/D9eal6ncdRIfoCJ0iD12iKrpDNVRHFI3RM3pFb9aT9WK9Wx+z1oKVz+yjP7I+fwAmJI7</latexit> <latexit sha1_base64="c14WANAWJORnV5uBCV/g4PidjDA=">ACAHicbZDLSgMxFIYz9VbH26gLF26CRXFVZkTRCkLBjcsK9gKdoWTS0zY0kxmSjFCGbnwVNy4UcetjuPNtTNtZaOsPgS/OYfk/GHCmdKu+20VlpZXVteK6/bG5tb2jrO71BxKinUacxj2QqJAs4E1DXTHFqJBKFHJrh8HZSbz6CVCwWD3qUQBCRvmA9Rok2Vsc5IPjkBrtl18O+b8PsUqlcdJySMafCi+DlUEK5ah3ny+/GNI1AaMqJUm3PTXSQEakZ5TC2/VRBQuiQ9KFtUJAIVJBNFxjY+N0cS+W5giNp+7viYxESo2i0HRGRA/UfG1i/ldrp7p3FWRMJKkGQWcP9VKOdYwnaeAuk0A1HxkgVDLzV0wHRBKqTWa2CcGbX3kRGmdlz/D9eal6ncdRIfoCJ0iD12iKrpDNVRHFI3RM3pFb9aT9WK9Wx+z1oKVz+yjP7I+fwAmJI7</latexit> <latexit sha1_base64="c14WANAWJORnV5uBCV/g4PidjDA=">ACAHicbZDLSgMxFIYz9VbH26gLF26CRXFVZkTRCkLBjcsK9gKdoWTS0zY0kxmSjFCGbnwVNy4UcetjuPNtTNtZaOsPgS/OYfk/GHCmdKu+20VlpZXVteK6/bG5tb2jrO71BxKinUacxj2QqJAs4E1DXTHFqJBKFHJrh8HZSbz6CVCwWD3qUQBCRvmA9Rok2Vsc5IPjkBrtl18O+b8PsUqlcdJySMafCi+DlUEK5ah3ny+/GNI1AaMqJUm3PTXSQEakZ5TC2/VRBQuiQ9KFtUJAIVJBNFxjY+N0cS+W5giNp+7viYxESo2i0HRGRA/UfG1i/ldrp7p3FWRMJKkGQWcP9VKOdYwnaeAuk0A1HxkgVDLzV0wHRBKqTWa2CcGbX3kRGmdlz/D9eal6ncdRIfoCJ0iD12iKrpDNVRHFI3RM3pFb9aT9WK9Wx+z1oKVz+yjP7I+fwAmJI7</latexit> Life of a PBH binary PBH binaries form predominantly from ‘nearby’ PBH pairs in the Early Universe: 0 . 015 0 . 015 Binary Decoupling 0 . 010 0 . 010 PBH separation, x [pc] GW 0 . 005 0 . 005 Inspiral 0 . 000 0 . 000 PBH-PBH Merger − 0 . 005 − 0 . 005 − 0 . 010 − 0 . 010 Hubble flow − 0 . 015 − 0 . 015 10 5 10 4 10 3 10 2 10 1 10 0 10 − 1 Redshift, z a = 0 . 01 e = 0 . 995 [Sasaki et al., 1603.08338 and others, but see also Bird et al., 1603.00464] 4 Bradley J. Kavanagh (GRAPPA, Amsterdam) Black Holes’ Dark Dress: Dark Matter & Merging PBHs

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