skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: A dark matter solution from the supersymmetric axion model

Abstract

We study the effect of the late decaying saxino (the scalar superpartner of the axion) and find out that there is a possible dark matter solution from a class of supersymmetric extensions of the invisible axion model. In this class of models, the saxino which decays into two axions acts as the late decaying particle which reconciles the cold dark matter model with high values of the Hubble constant. Recent observations of the Hubble constant are converging to H{sub 0} = 70--80 km sec{sup {minus}1} Mpc{sup {minus}1}, which would be inconsistent with the standard mixed dark matter model. This class of models provides a plausible framework for the alternative cold dark matter plus late decaying particle model, with the interesting possibility that both cold dark matter and the extra radiation consist of axion. 15 refs.

Authors:
 [1];  [2]
  1. Florida Univ., Gainesville, FL (United States). Inst. for Fundamental Theory
  2. Universidad Autonoma de Madrid (Spain). Dept. de Fisica Teorica
Publication Date:
Research Org.:
Florida Univ., Gainesville, FL (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States); Korea Science and Engineering Foundation (Korea, Republic of)
OSTI Identifier:
228215
Report Number(s):
DOE/ER/40272-249; UFIFT-HEP-96-8; FTUAM-96/15
ON: DE96010587; TRN: 96:012348
DOE Contract Number:  
FG05-86ER40272
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: [1996]
Country of Publication:
United States
Language:
English
Subject:
66 PHYSICS; NONLUMINOUS MATTER; AXIONS; SPARTICLES; SUPERSYMMETRY; HUBBLE EFFECT

Citation Formats

Chang, Sanghyeon, and Kim, Hang Bae. A dark matter solution from the supersymmetric axion model. United States: N. p., 1996. Web. doi:10.2172/228215.
Chang, Sanghyeon, & Kim, Hang Bae. A dark matter solution from the supersymmetric axion model. United States. https://doi.org/10.2172/228215
Chang, Sanghyeon, and Kim, Hang Bae. 1996. "A dark matter solution from the supersymmetric axion model". United States. https://doi.org/10.2172/228215. https://www.osti.gov/servlets/purl/228215.
@article{osti_228215,
title = {A dark matter solution from the supersymmetric axion model},
author = {Chang, Sanghyeon and Kim, Hang Bae},
abstractNote = {We study the effect of the late decaying saxino (the scalar superpartner of the axion) and find out that there is a possible dark matter solution from a class of supersymmetric extensions of the invisible axion model. In this class of models, the saxino which decays into two axions acts as the late decaying particle which reconciles the cold dark matter model with high values of the Hubble constant. Recent observations of the Hubble constant are converging to H{sub 0} = 70--80 km sec{sup {minus}1} Mpc{sup {minus}1}, which would be inconsistent with the standard mixed dark matter model. This class of models provides a plausible framework for the alternative cold dark matter plus late decaying particle model, with the interesting possibility that both cold dark matter and the extra radiation consist of axion. 15 refs.},
doi = {10.2172/228215},
url = {https://www.osti.gov/biblio/228215}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed May 01 00:00:00 EDT 1996},
month = {Wed May 01 00:00:00 EDT 1996}
}