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Dai, Jianpeng1; Liu, Tao1,2; Yang, Jin Min1
An explicit calculation of pseudo-goldstino mass at the leading three-loop level
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordFEYNMAN-INTEGRALS IMPLEMENTATION
AbstractPseudo-goldstinos appear in the scenario of multi-sector SUSY breaking. Unlike the true goldstino which is massless and absorbed by the gravitino, pseudo-goldstinos could obtain mass from radiative effects. In this note, working in the scenario of two-sector SUSY breaking with gauge mediation, we explicitly calculate the pseudo-goldstino mass at the leading three-loop level and provide the analytical results after performing Taylor expansions in the loop integrals. In our calculation we consider the general case of messenger masses (not necessarily equal) and include the higher order terms of SUSY breaking scales. Our results can reproduce the numerical value estimated previously at the leading order of SUSY breaking scales with the assumption of equal messenger masses. It turns out that the results are very sensitive to the ratio of messenger masses, while the higher order terms of SUSY breaking scales are rather small in magnitude. Depending on the ratio of messenger masses, the pseudo-goldstino mass can be as low as O(0.1) GeV.
2021
ISSN1029-8479
Issue6Pages:175
Cooperation Status国内
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1007/JHEP06(2021)175
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27269
CollectionSCI期刊论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Dai, Jianpeng,Liu, Tao,Yang, Jin Min. An explicit calculation of pseudo-goldstino mass at the leading three-loop level[J]. JOURNAL OF HIGH ENERGY PHYSICS,2021(6):175.
APA Dai, Jianpeng,Liu, Tao,&Yang, Jin Min.(2021).An explicit calculation of pseudo-goldstino mass at the leading three-loop level.JOURNAL OF HIGH ENERGY PHYSICS(6),175.
MLA Dai, Jianpeng,et al."An explicit calculation of pseudo-goldstino mass at the leading three-loop level".JOURNAL OF HIGH ENERGY PHYSICS .6(2021):175.
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