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Title: Spin-2 portal dark matter

Abstract

We generalize models invoking a spin-2 particle as a mediator between the dark sector and the standard model. We show that a massive spin-2 messenger can efficiently play the role of a portal between the two sectors. The dark matter is then produced via a freeze-in mechanism during the reheating epoch. In a large part of the parameter space, production through the exchange of a massive spin-2 mediator dominates over processes involving a graviton with Planck suppressed couplings. We perform a systematic analysis of such models for different values of the spin-2 mass relative to the maximum and the final temperature attained at reheating.

Authors:
 [1];  [2];  [2];  [3];  [4];  [2]
  1. Univ. Antonio Nariño, Bogotá (Colombia)
  2. Univ. of Paris-Sud and CNRS, Orsay (France). Lab. of Theoretical Physics
  3. Univ. of Minnesota, Minneapolis, MN (United States). School of Physics and Astronomy. William I. Fine Theoretical Physics Inst.
  4. Univ. of Minnesota, Minneapolis, MN (United States). School of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of Minnesota, Minneapolis, MN (United States); Univ. of Paris-Sud and CNRS, Orsay (France); Univ. Antonio Nariño, Bogotá (Colombia)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); France-US International Programs for Scientific Cooperation (PICS); European Union (EU); European Research Council (ERC); National Council for Scientific and Technological Development (CNPq) (Brazil); Ministry of Economy and Competitiveness (MINECO) (Spain); Univ. Antonio Nariño (Colombia)
OSTI Identifier:
1454352
Alternate Identifier(s):
OSTI ID: 1503901
Grant/Contract Number:  
SC0011842; 06482; 690575; 674896; 202055/2015-9; FPA2017-84543-P; 2017239
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 97; Journal Issue: 11; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; particle dark matter; weakly interacting massive particles

Citation Formats

Bernal, Nicolás, Dutra, Maíra, Mambrini, Yann, Olive, Keith, Peloso, Marco, and Pierre, Mathias. Spin-2 portal dark matter. United States: N. p., 2018. Web. doi:10.1103/physrevd.97.115020.
Bernal, Nicolás, Dutra, Maíra, Mambrini, Yann, Olive, Keith, Peloso, Marco, & Pierre, Mathias. Spin-2 portal dark matter. United States. doi:10.1103/physrevd.97.115020.
Bernal, Nicolás, Dutra, Maíra, Mambrini, Yann, Olive, Keith, Peloso, Marco, and Pierre, Mathias. Wed . "Spin-2 portal dark matter". United States. doi:10.1103/physrevd.97.115020.
@article{osti_1454352,
title = {Spin-2 portal dark matter},
author = {Bernal, Nicolás and Dutra, Maíra and Mambrini, Yann and Olive, Keith and Peloso, Marco and Pierre, Mathias},
abstractNote = {We generalize models invoking a spin-2 particle as a mediator between the dark sector and the standard model. We show that a massive spin-2 messenger can efficiently play the role of a portal between the two sectors. The dark matter is then produced via a freeze-in mechanism during the reheating epoch. In a large part of the parameter space, production through the exchange of a massive spin-2 mediator dominates over processes involving a graviton with Planck suppressed couplings. We perform a systematic analysis of such models for different values of the spin-2 mass relative to the maximum and the final temperature attained at reheating.},
doi = {10.1103/physrevd.97.115020},
journal = {Physical Review D},
number = 11,
volume = 97,
place = {United States},
year = {2018},
month = {6}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/physrevd.97.115020

Citation Metrics:
Cited by: 9 works
Citation information provided by
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