Relic abundance of LKP dark matter in UED model including effects of second KK resonances

Mitsuru Kakizaki; Shigeki Matsumoto; Yoshio Sato; Masato Senami

doi:10.1016/j.nuclphysb.2005.11.022

Relic abundance of LKP dark matter in UED model including effects of second KK resonances

Mitsuru Kakizaki^*, Shigeki Matsumoto, Yoshio Sato, Masato Senami

^*Corresponding author for this work

Program of Physics

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

48 Scopus citations

Abstract

We re-evaluate the thermal relic density of the Kaluza-Klein (KK) dark matter in universal extra dimension models. In particular, we consider the effect of the resonance caused by second KK particles on the density. We find that the annihilation cross sections relevant to the density are significantly enhanced due to the resonance when the Higgs boson mass is large enough (m_h ≳ 200 GeV). As a result, the mass of the dark matter particle consistent with the WMAP observation is increased compared to the result which does not include any resonance.

Original language	English
Pages (from-to)	84-95
Number of pages	12
Journal	Nuclear Physics B
Volume	735
Issue number	1-3
DOIs	https://doi.org/10.1016/j.nuclphysb.2005.11.022
State	Published - 2006/02/13

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.nuclphysb.2005.11.022

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title = "Relic abundance of LKP dark matter in UED model including effects of second KK resonances",

abstract = "We re-evaluate the thermal relic density of the Kaluza-Klein (KK) dark matter in universal extra dimension models. In particular, we consider the effect of the resonance caused by second KK particles on the density. We find that the annihilation cross sections relevant to the density are significantly enhanced due to the resonance when the Higgs boson mass is large enough (mh ≳ 200 GeV). As a result, the mass of the dark matter particle consistent with the WMAP observation is increased compared to the result which does not include any resonance.",

author = "Mitsuru Kakizaki and Shigeki Matsumoto and Yoshio Sato and Masato Senami",

note = "Funding Information: The work of M.K. is supported in part by the Japan Society for the Promotion of Science.",

year = "2006",

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doi = "10.1016/j.nuclphysb.2005.11.022",

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TY - JOUR

T1 - Relic abundance of LKP dark matter in UED model including effects of second KK resonances

AU - Kakizaki, Mitsuru

AU - Matsumoto, Shigeki

AU - Sato, Yoshio

AU - Senami, Masato

N1 - Funding Information: The work of M.K. is supported in part by the Japan Society for the Promotion of Science.

PY - 2006/2/13

Y1 - 2006/2/13

N2 - We re-evaluate the thermal relic density of the Kaluza-Klein (KK) dark matter in universal extra dimension models. In particular, we consider the effect of the resonance caused by second KK particles on the density. We find that the annihilation cross sections relevant to the density are significantly enhanced due to the resonance when the Higgs boson mass is large enough (mh ≳ 200 GeV). As a result, the mass of the dark matter particle consistent with the WMAP observation is increased compared to the result which does not include any resonance.

AB - We re-evaluate the thermal relic density of the Kaluza-Klein (KK) dark matter in universal extra dimension models. In particular, we consider the effect of the resonance caused by second KK particles on the density. We find that the annihilation cross sections relevant to the density are significantly enhanced due to the resonance when the Higgs boson mass is large enough (mh ≳ 200 GeV). As a result, the mass of the dark matter particle consistent with the WMAP observation is increased compared to the result which does not include any resonance.

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DO - 10.1016/j.nuclphysb.2005.11.022

M3 - 学術論文

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SN - 0550-3213

VL - 735

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EP - 95

JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 1-3

ER -

Relic abundance of LKP dark matter in UED model including effects of second KK resonances

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