QCD radiative correction to pair-annihilation of spin-1 bosonic Dark Matter
The next-to-leading order (NLO) QCD corrections are calculated for the pair-annihilation of spin-1 dark matter (DM) by dimensionally regularizing both ultraviolet and infrared singularities in non-relativistic limit (v
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| description | The next-to-leading order (NLO) QCD corrections are calculated for the pair-annihilation of spin-1 dark matter (DM) by dimensionally regularizing both ultraviolet and infrared singularities in non-relativistic limit (v |
| doi_str_mv | 10.48550/arxiv.0807.2459 |
| format | Article |
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The complete O(alphas) correction is about 8% due to the massless gluon contribution. An extra 5% will be added if there is a new interaction from a massive gluon of approximately same mass as the DM particle. The NLO QCD correction could give the sizable shift to the DM mass constrained by relic density measurements.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.0807.2459</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Dark matter ; Physics - Astrophysics of Galaxies ; Physics - Cosmology and Nongalactic Astrophysics ; Physics - Earth and Planetary Astrophysics ; Physics - High Energy Astrophysical Phenomena ; Physics - High Energy Physics - Phenomenology ; Physics - Instrumentation and Methods for Astrophysics ; Physics - Solar and Stellar Astrophysics ; Quantum chromodynamics ; Singularities</subject><ispartof>arXiv.org, 2009-02</ispartof><rights>2009. 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| subjects | Dark matter Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - High Energy Physics - Phenomenology Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Quantum chromodynamics Singularities |
| title | QCD radiative correction to pair-annihilation of spin-1 bosonic Dark Matter |
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