活动星系核会将暗物质转化为可见粒子吗?
Do active galactic nuclei convert dark matter into visible particles?
摘要:
研究了暗物质由质量接近大一统尺度的超重粒子组成的假设。这些粒子是由膨胀的宇宙的引力从真空中产生的,它们的衰变导致了可观察到的重子电荷。这些粒子中有一部分的寿命大于大统一对称性破缺的时间,成为亚稳态,并作为暗物质存活到现代。然而,在活动星系核中,由于黑洞吞噬了大能量的暗物质粒子,相反的过程可能发生。暗物质粒子相互作用。它们在大统一能量的可见粒子上的衰变导致俄歇小组观察到的超高能宇宙射线流。数值估计的影响,导致可观察到的数字。
英文摘要:
The hypothesis that dark matter consists of superheavy particles with the mass close to the Grand Unification scale is investigated. These particles were created from vacuum by the gravitation of the expanding Universe and their decay led to the observable baryon charge. Some part of these particles with the lifetime larger than the time of breaking of the Grand Unification symmetry became metastable and survived up to the modern time as dark matter. However in active galactic nuclei due to large energies of dark matter particles swallowed by the black hole the opposite process can occur. Dark matter particles become interacting. Their decay on visible particles at the Grand Unification energies leads to the flow of ultra high energy cosmic rays observed by the Auger group. Numerical estimates of the effect leading to the observable numbers are given.
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