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Title: Ultralight Boson Dark Matter and Event Horizon Telescope Observations of M 87 *

Abstract

The initial information from the Event Horizon Telescope (EHT) on M 87 * , the supermassive black hole at the center of the M87 Galaxy, provide direct observational information on its mass, spin, and accretion disk properties. A combination of the EHT data and other constraints provides evidence that M 87 * has a mass ~6.5 × 10 9 M . EHT also inferred the dimensionless spin parameter |a*| ≳ 0.5 from jet properties; a separate recent analysis using only the light from near M 87 * as measured by the EHT Collaboration found |a*|= 0.9 ± 0.1 . These determinations disfavor ultralight bosons of mass μ b ϵ (0.85, 4.6) × 10 –21 eV for spin-one bosons and μ b ϵ (2.9, 4.6) × 10 –21 eV for spin-zero bosons, within the range considered for fuzzy dark matter, invoked to explain dark matter distribution on approximately kiloparsec scales. Future observations of M 87 * could be expected to determine our conclusions.

Authors:
 [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1550793
Alternate Identifier(s):
OSTI ID: 1546446
Report Number(s):
BNL-211936-2019-JAAM
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 123; Journal Issue: 2; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; boson; ultralight; dark matter; M87; telescope

Citation Formats

Davoudiasl, Hooman, and Denton, Peter B. Ultralight Boson Dark Matter and Event Horizon Telescope Observations of M87*. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.123.021102.
Davoudiasl, Hooman, & Denton, Peter B. Ultralight Boson Dark Matter and Event Horizon Telescope Observations of M87*. United States. doi:10.1103/PhysRevLett.123.021102.
Davoudiasl, Hooman, and Denton, Peter B. Wed . "Ultralight Boson Dark Matter and Event Horizon Telescope Observations of M87*". United States. doi:10.1103/PhysRevLett.123.021102.
@article{osti_1550793,
title = {Ultralight Boson Dark Matter and Event Horizon Telescope Observations of M87*},
author = {Davoudiasl, Hooman and Denton, Peter B.},
abstractNote = {The initial information from the Event Horizon Telescope (EHT) on M87*, the supermassive black hole at the center of the M87 Galaxy, provide direct observational information on its mass, spin, and accretion disk properties. A combination of the EHT data and other constraints provides evidence that M87* has a mass ~6.5 × 109 M⊙. EHT also inferred the dimensionless spin parameter |a*| ≳ 0.5 from jet properties; a separate recent analysis using only the light from near M87* as measured by the EHT Collaboration found |a*|= 0.9 ± 0.1 . These determinations disfavor ultralight bosons of mass μb ϵ (0.85, 4.6) × 10–21 eV for spin-one bosons and μb ϵ (2.9, 4.6) × 10–21 eV for spin-zero bosons, within the range considered for fuzzy dark matter, invoked to explain dark matter distribution on approximately kiloparsec scales. Future observations of M87* could be expected to determine our conclusions.},
doi = {10.1103/PhysRevLett.123.021102},
journal = {Physical Review Letters},
number = 2,
volume = 123,
place = {United States},
year = {2019},
month = {7}
}

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