Signals of the electroweak phase transition at colliders and gravitational wave observatories

被引:88
作者
Chala, Mikael [1 ]
Krause, Claudius [2 ,3 ]
Nardini, Germano [4 ,5 ]
机构
[1] Univ Durham, Phys Dept, Inst Particle Phys Phenomenol, South Rd, Durham DH1 3LE, England
[2] Univ Valencia, CSIC, IFIC, Apt Correus 22085, E-46071 Valencia, Spain
[3] Fermilab Natl Accelerator Lab, Theoret Phys Dept, POB 500, Batavia, IL 60510 USA
[4] Univ Bern, Inst Theoret Phys, Albert Einstein Ctr, Sidlerstr 5, CH-3012 Bern, Switzerland
[5] Univ Stavanger, Fac Sci & Technol, N-4036 Stavanger, Norway
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 07期
基金
瑞士国家科学基金会;
关键词
Beyond Standard Model; Higgs Physics; STANDARD MODEL; SYMMETRY-BREAKING; HIGGS; BARYOGENESIS; INFLATION; RADIATION; DECAY; TOOL;
D O I
10.1007/JHEP07(2018)062
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
If the electroweak phase transition (EWPT) is of strongly first order due to higher dimensional operators, the scale of new physics generating them is at the TeV scale or below. In this case the effective-field theory (EFT) neglecting operators of dimension higher than six may overlook terms that are relevant for the EWPT analysis. In this article we study the EWPT in the EFT to dimension eight. We estimate the reach of the future gravitational wave observatory LISA for probing the region in which the EWPT is strongly first order and compare it with the capabilities of the Higgs measurements via double-Higgs production at current and future colliders. We also match different UV models to the previously mentioned dimension-eight EFT and demonstrate that, from the top-down point of view, the double-Higgs production is not the best signal to explore these scenarios.
引用
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页数:29
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