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题名: Extending Higgs inflation with TeV scale new physics
作者: He, HJ ;  Xianyu, ZZ
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2014
期号: 10, 页码:19
关键词: STANDARD MODEL ;  RENORMALIZATION-GROUP ;  BOSON ;  UNIVERSE ;  COSMOLOGY ;  SYMMETRY ;  FLATNESS ;  STRINGS ;  HORIZON
学科分类: Physics
DOI: 10.1088/1475-7516/2014/10/019
通讯作者: He, HJ (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
部门归属: [He, Hong-Jian ;  Xianyu, Zhong-Zhi] Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China ;  [He, Hong-Jian ;  Xianyu, Zhong-Zhi] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China ;  [Xianyu, Zhong-Zhi] Kings Coll London, Dept Phys, Theoret Particle Phys & Cosmol Grp, London WC2R 2LS, England ;  [He, Hong-Jian] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China ;  [He, Hong-Jian] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: Higgs inflation is among the most economical and predictive inflation models, although the original Higgs inflation requires tuning the Higgs or top mass away from its current experimental value by more than 2 sigma deviations, and generally gives a negligible tensor-to-scalar ratio r similar to 10(-3) (if away from the vicinity of critical point). In this work, we construct a minimal extension of Higgs inflation, by adding only two new weak-singlet particles at TeV scale, a vector-quark T and a real scalar S. The presence of singlets (T, S) significantly impact the renormalization group running of the Higgs boson self-coupling. With this, our model provides a wider range of the tensor-to-scalar ratio r = O(0.1) - O(10(-3)) consistent with the favored r values by either BICEP2 or Planck data, while keeping the successful prediction of the spectral index n(s) similar or equal to 0.96. It allows the Higgs and top masses to fully fit the collider measurements. We also discuss implications for searching the predicted TeV-scale vector-quark T and scalar S at the LHC and future high energy pp colliders.
资助者: National NSF of China [11275101, 11135003]; National Basic Research Program [2010CB833000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000345990800020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15629
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Recommended Citation:
He, HJ,Xianyu, ZZ. Extending Higgs inflation with TeV scale new physics[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2014(10):19.
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