Quasifixed points from scalar sequestering and the little hierarchy problem in supersymmetry
Quasifixed points from scalar sequestering and the little hierarchy problem in supersymmetry
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标量隔离的准不动点和超对称中的小层次问题
DOI:
10.1103/physrevd.97.035006
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发表时间:
2018
影响因子:
5
通讯作者:
Martin, Stephen P.
中科院分区:
文献类型:
--
作者:
Martin, Stephen P.
In supersymmetric models with scalar sequestering, superconformal strong dynamics in the hidden sector suppresses the low-energy couplings of mass dimension 2, compared to the squares of the dimension-1 parameters. Taking into account restrictions on the anomalous dimensions in superconformal theories, I point out that the interplay between the hidden and visible sector renormalizations gives rise to quasifixed point running for the supersymmetric Standard Model squared mass parameters, rather than driving them to 0. The extent to which this dynamics can ameliorate the little hierarchy problem in supersymmetry is studied. Models of this type in which the gaugino masses do not unify are arguably more natural, and are certainly more likely to be accessible, eventually, to the Large Hadron Collider.
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