Electroweak Fermion Number Violation and the Production of Stable Particles in the Early Universe

Electroweak Fermion Number Violation and the Production of Stable Particles in the Early Universe
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DOI:
10.1016/0370-2693(90)91661-t
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发表时间:
1990-03
期刊:
影响因子:
4.4
通讯作者:
S. Barr;R. Chivukula;E. Farhi
S. Barr;R. Chivukula;E. Farhi
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
S. Barr;R. Chivukula;E. Farhi

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在早期宇宙中,电弱费米子数破坏的效果是将过剩的费米子数分布在所有的电弱双重态上。如果重子发生是由弱尺度以上的物理引起的,这可能导致产生与重子数目相当的重而稳定的粒子。特别是,今天可能存在足够多的稳定技术重子来解释宇宙中缺失的质量。
The effect of electroweak fermion number violation in the early universe is to distribute a fermion number excess over all the electroweak doublets. If baryogenesis is due to physics above the weak scale, this can result in the production of heavy stable particles in numbers comparable to the number of baryons. In particular, there may be enough stable technibaryons present today to account for the missing mass of the universe.