ITP OpenIR  > SCI期刊论文
Csaki, C; De Freitas, FF; Huang, L1,2; Ma, T1,2; Perelstein, M; Shu, J1,2,3,4
Naturalness sum rules and their collider tests
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
AbstractWe present the most general sum rules reflecting the cancellation of ultraviolet divergences in the Higgs potential, which provide necessary conditions for any weakly-coupled extension of the Standard Model to be natural. There is a separate sum rule for the cancellation of the quadratic and logarithmic divergences, and their forms depend on whether the divergences are canceled by same-spin or opposite-spin partners. These sum rules can be applied to mass eigenstates and conveniently used for direct collider tests of naturalness. We study in detail the feasibility of testing these sum rules in the top sector at a future 100 TeV proton collider within two benchmark models, the Little Higgs (LH) and the Maximally Symmetric Composite Higgs (MSCH). We show how the two ingredients of the sum rules, the top partner masses and their Yukawa couplings to the Higgs, can be measured with sufficient accuracy to provide a highly non-trivial quantitative test of the sum rules. In particular, we study observables sensitive to the sign of the top partner Yukawa, which is crucial for verifying the sum rules but is notoriously difficult to measure. We demonstrate that in the benchmark models under study, a statistically significant discrimination between the two possible signs of each Yukawa will be feasible with a 30 ab(-1) data set at 100 TeV.
2019
ISSN1029-8479
Issue5Pages:132
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1007/JHEP05(2019)132
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23425
CollectionSCI期刊论文
Affiliation1.Cornell Univ, Lab Elementary Particle Phys, Ithaca, NY 14853 USA
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
4.CAS Ctr Excellence Particle Phys, Beijing 100049, Peoples R China
5.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Csaki, C,De Freitas, FF,Huang, L,et al. Naturalness sum rules and their collider tests[J]. JOURNAL OF HIGH ENERGY PHYSICS,2019(5):132.
APA Csaki, C,De Freitas, FF,Huang, L,Ma, T,Perelstein, M,&Shu, J.(2019).Naturalness sum rules and their collider tests.JOURNAL OF HIGH ENERGY PHYSICS(5),132.
MLA Csaki, C,et al."Naturalness sum rules and their collider tests".JOURNAL OF HIGH ENERGY PHYSICS .5(2019):132.
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