Primordial black holes in Higgs-R2 inflation as the whole of dark matter

Dhong Yeon Cheong; Sung Mook Lee; Seong Chan Park

doi:10.1088/1475-7516/2021/01/032

Primordial black holes in Higgs-R² inflation as the whole of dark matter

Dhong Yeon Cheong, Sung Mook Lee, Seong Chan Park

Department of Physics

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Primordial black holes are produced in a minimal UV extension to the Higgs inflation with an included R² term. We show that for parameters consistent with Standard Model measurements and Planck observation results lead to M_PBH ∈ (10⁻¹⁶, 10⁻¹⁵)M☉ primordial black holes with significant abundance, which may consist the majority of dark matter.

Original language	English
Article number	032
Journal	Journal of Cosmology and Astroparticle Physics
Volume	2021
Issue number	1
DOIs	https://doi.org/10.1088/1475-7516/2021/01/032
Publication status	Published - 2021 Jan

Bibliographical note

Funding Information:
We thank Fedor Bezrukov, Kohei Kamada, Kazunori Kohri, Shi Pi, Misao Sasaki, and Jinsu Kim for helpful discussions on the possibility and computation of this setup. This work was supported by the National Research Foundation grants funded by the Korean government (MSIP) (NRF-2018R1A4A1025334)&(NRF-2019R1A2C1089334) (SCP) and (NRF-2020R1A6A3A13076216) (SML). SML was supported in part by the Hyundai Motor Chung Mong-Koo Foundation.

Publisher Copyright:
© 2021 IOP Publishing Ltd and Sissa Medialab

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics

Access to Document

10.1088/1475-7516/2021/01/032

Cite this

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abstract = "Primordial black holes are produced in a minimal UV extension to the Higgs inflation with an included R2 term. We show that for parameters consistent with Standard Model measurements and Planck observation results lead to MPBH ∈ (10−16, 10−15)M☉ primordial black holes with significant abundance, which may consist the majority of dark matter.",

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