MULTI-SCALAR MODELS WITH A HIGH-ENERGY SCALE

被引：89

作者：

HABER, HE ^{[1
]}

NIR, Y ^{[1
]}

机构：

[1] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309

来源：

NUCLEAR PHYSICS B | 1990年 / 335卷 / 02期

关键词：

D O I：

10.1016/0550-3213(90)90499-4

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study multi-Higgs models under the assumption that new physics exists at some high-energy scale (ΛNP). If we perform the minimally required fine-tuning in order to set the electroweak scale (ΛEW), we find that the low-energy scalar spectrum is identical to that of the Standard Model with minimal Higgs content, up to corrections of order ΛEW2/ΛNP2. If, in addition, the model is supersymmetric down to a scale ΛSB ≪ ΛNP, then the low-energy scalar spectrum is identical to that of the minimal supersymmetric extension of the Standard Model, up to corrections of order ΛSB2/ΛNP2. Additional light scalars, if they exist, would be a signature of additional low-energy symmetries. Flavor changing neutral currents and CP-violation effects due to Higgs exchange are also discussed. Finally, we clarify the Linde-Weinberg bound for the minimum Higgs mass in such models. © 1990.

引用

页码：363 / 394

页数：32

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