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Title: Primordial black holes from no-scale supergravity

Journal Article · · Physical Review. D.
 [1]; ORCiD logo [2]; ORCiD logo [2]
  1. Texas A & M Univ., College Station, TX (United States); Houston Advanced Research Center (HARC), Woodlands, TX (United States); Academy of Athens (Greece)
  2. National and Kapodistrian University of Athens (Greece)

We calculate the primordial black hole abundance in the context of a Wess-Zumino type no-scale supergravity model. We modify the Kähler potential, by adding an extra exponential term. Using just one parameter in the context of this model, we are able to satisfy the Planck cosmological constraints for the spectral index ns , the tensor-to-scalar ratio r, and to produce up to ~ 20 % of the dark matter of the Universe in the form of primordial black holes.

Research Organization:
Texas A & M Univ., College Station, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Alexander S. Onassis Public Benefit Foundation; Hellenic Foundation for Research and Innovation
Grant/Contract Number:
SC0010813; FG02-13ER42020
OSTI ID:
1851446
Journal Information:
Physical Review. D., Vol. 102, Issue 8; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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