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Title: Spinless photon dark matter from two universal extra dimensions

Abstract

We explore the properties of dark matter in theories with two universal extra dimensions, where the lightest Kaluza-Klein state is a spin-0 neutral particle, representing a six-dimensional photon polarized along the extra dimensions. Annihilation of this 'spinless photon' proceeds predominantly through Higgs boson exchange, and is largely independent of other Kaluza-Klein particles. The measured relic abundance sets an upper limit on the spinless photon mass of 500 GeV, which decreases to almost 200 GeV if the Higgs boson is light. The phenomenology of this dark matter candidate is strikingly different from Kaluza-Klein dark matter in theories with one universal extra dimension. Elastic scattering of the spinless photon with quarks is helicity suppressed, making its direct detection challenging, although possible at upcoming experiments. The prospects for indirect detection with gamma rays and antimatter are similar to those of neutralinos. The rates predicted at neutrino telescopes are below the sensitivity of next-generation experiments.

Authors:
; ; ;
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
919097
Report Number(s):
FERMILAB-PUB-07-274-A-T
arXiv eprint number arXiv:0706.3409; TRN: US0806313
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Journal Article
Journal Name:
JCAP 0710:012,2007
Additional Journal Information:
Journal Name: JCAP 0710:012,2007
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS, 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; DIMENSIONS; ELASTIC SCATTERING; HIGGS BOSONS; NEUTRAL PARTICLES; NONLUMINOUS MATTER; PHOTONS; Astrophysics, Phenomenology-HEP

Citation Formats

Dobrescu, Bogdan A, Hooper, Dan, Kong, Kyoungchul, Mahbubani, Rakhi, and /Fermilab. Spinless photon dark matter from two universal extra dimensions. United States: N. p., 2007. Web. doi:10.1088/1475-7516/2007/10/012.
Dobrescu, Bogdan A, Hooper, Dan, Kong, Kyoungchul, Mahbubani, Rakhi, & /Fermilab. Spinless photon dark matter from two universal extra dimensions. United States. https://doi.org/10.1088/1475-7516/2007/10/012
Dobrescu, Bogdan A, Hooper, Dan, Kong, Kyoungchul, Mahbubani, Rakhi, and /Fermilab. 2007. "Spinless photon dark matter from two universal extra dimensions". United States. https://doi.org/10.1088/1475-7516/2007/10/012.
@article{osti_919097,
title = {Spinless photon dark matter from two universal extra dimensions},
author = {Dobrescu, Bogdan A and Hooper, Dan and Kong, Kyoungchul and Mahbubani, Rakhi and /Fermilab},
abstractNote = {We explore the properties of dark matter in theories with two universal extra dimensions, where the lightest Kaluza-Klein state is a spin-0 neutral particle, representing a six-dimensional photon polarized along the extra dimensions. Annihilation of this 'spinless photon' proceeds predominantly through Higgs boson exchange, and is largely independent of other Kaluza-Klein particles. The measured relic abundance sets an upper limit on the spinless photon mass of 500 GeV, which decreases to almost 200 GeV if the Higgs boson is light. The phenomenology of this dark matter candidate is strikingly different from Kaluza-Klein dark matter in theories with one universal extra dimension. Elastic scattering of the spinless photon with quarks is helicity suppressed, making its direct detection challenging, although possible at upcoming experiments. The prospects for indirect detection with gamma rays and antimatter are similar to those of neutralinos. The rates predicted at neutrino telescopes are below the sensitivity of next-generation experiments.},
doi = {10.1088/1475-7516/2007/10/012},
url = {https://www.osti.gov/biblio/919097}, journal = {JCAP 0710:012,2007},
number = ,
volume = ,
place = {United States},
year = {Fri Jun 01 00:00:00 EDT 2007},
month = {Fri Jun 01 00:00:00 EDT 2007}
}