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超统一理论中最大的超对称费米子味破坏。

Maximal sfermion flavour violation in super-GUTs.

作者信息

Ellis John, Olive Keith A, Velasco-Sevilla L

机构信息

Theoretical Particle Physics and Cosmology Group, Department of Physics, King's College London, London, WC2R 2LS UK.

Theoretical Physics Department, CERN, 1211 23 Geneva, Switzerland ; William I. Fine Theoretical Physics Institute, School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455 USA.

出版信息

Eur Phys J C Part Fields. 2016;76(10):562. doi: 10.1140/epjc/s10052-016-4398-9. Epub 2016 Oct 20.

DOI:10.1140/epjc/s10052-016-4398-9
PMID:28316488
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5335576/
Abstract

We consider supersymmetric grand unified theories with soft supersymmetry-breaking scalar masses [Formula: see text] specified above the GUT scale (super-GUTs) and patterns of Yukawa couplings motivated by upper limits on flavour-changing interactions beyond the Standard Model. If the scalar masses are smaller than the gaugino masses [Formula: see text], as is expected in no-scale models, the dominant effects of renormalisation between the input scale and the GUT scale are generally expected to be those due to the gauge couplings, which are proportional to [Formula: see text] and generation independent. In this case, the input scalar masses [Formula: see text] may violate flavour maximally, a scenario we call MaxSFV, and there is no supersymmetric flavour problem. We illustrate this possibility within various specific super-GUT scenarios that are deformations of no-scale gravity.

摘要

我们考虑具有在大统一理论（GUT）尺度之上指定的软超对称破缺标量质量[公式：见正文]的超对称大统一理论（超 GUT），以及由超出标准模型的味变相互作用的上限所激发的汤川耦合模式。如果标量质量小于规范玻色子质量[公式：见正文]，正如在无标度模型中所预期的那样，通常预计在输入尺度和 GUT 尺度之间重整化的主要效应是由规范耦合引起的，规范耦合与[公式：见正文]成比例且与代无关。在这种情况下，输入标量质量[公式：见正文]可能最大程度地违反味对称性，我们将这种情形称为最大味违反（MaxSFV），并且不存在超对称味问题。我们在作为无标度引力变形的各种特定超 GUT 情形中说明了这种可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/7d4fb828b894/10052_2016_4398_Fig16_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/7d4fb828b894/10052_2016_4398_Fig16_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/1a1bc16086f3/10052_2016_4398_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/e1c30e8807ed/10052_2016_4398_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/a01a89eeeee3/10052_2016_4398_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/821240c91654/10052_2016_4398_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/bb5963cc6cce/10052_2016_4398_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/4c10330058dc/10052_2016_4398_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/b4e768eb8215/10052_2016_4398_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/38103fb394f3/10052_2016_4398_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/a7dbcfdc97de/10052_2016_4398_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/82a7860d1db7/10052_2016_4398_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/3dec03a133ad/10052_2016_4398_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/0d7cdf781091/10052_2016_4398_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/52e480dc97e3/10052_2016_4398_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/56dda89f161f/10052_2016_4398_Fig14_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/daf49f07428e/10052_2016_4398_Fig15_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c598/5335576/7d4fb828b894/10052_2016_4398_Fig16_HTML.jpg

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