Weak scale as a trigger

被引：29

作者：

Arkani-Hamed, Nima ^{[1
]}

D'Agnolo, Raffaele Tito ^{[2
]}

Kim, Hyung Do ^{[3
,4
]}

机构：

[1] Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA

[2] Univ Paris Saclay, CEA, CNRS, Inst Phys Theor, F-91191 Gif Sur Yvette, France

[3] Seoul Natl Univ, Dept Phys & Astron, Seoul 08826, South Korea

[4] Seoul Natl Univ, Ctr Theoret Phys, Seoul 08826, South Korea

来源：

PHYSICAL REVIEW D | 2021年 / 104卷 / 09期

关键词：

PROTON-PROTON COLLISIONS; INVERSE-SQUARE LAW; HIGGS-BOSON; PP COLLISIONS; ROOT-S=13 TEV; FINAL-STATE; MASS RANGE; SEARCH; AXION; CONSTRAINTS;

D O I：

10.1103/PhysRevD.104.095014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Does the value of the Higgs mass parameter affect the expectation value of local operators in the Standard Model? For essentially all local operators the answer to this question is "no", and this is one of the avatars of the hierarchy problem: Nothing is "triggered" when the Higgs mass parameter crosses zero. In this article, we explore settings in which Higgs mass parameters can act as a "trigger" for some local operators OT. In the Standard Model, this happens for OT = Tr(G G similar to). We also introduce a "type-0" two Higgs doublet model, with a Z4 symmetry, for which OT = H1H2 is triggered by the Higgs masses, demanding the existence of new Higgs states necessarily comparable to or lighter than the weak scale, with no wiggle room to decouple them whatsoever. Surprisingly, this model is not yet entirely excluded by collider searches, and will be incisively probed by the high-luminosity run of the LHC, as well as future Higgs factories. We also discuss a possibility for using this trigger to explain the origin of the weak scale, invoking a landscape of extremely light, weakly interacting scalars 0i, with a coupling to OT needed to make it possible to find vacua with small enough cosmological constant. The weak scale trigger links the tuning of the Higgs mass to that of the cosmological constant, while coherent oscillations of the 0ican constitute dark matter.

引用

页数：21

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