Gravitational corrections to Standard Model vacuum decay

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We refine and update the metastability constraint on the Standard Model top and Higgs masses, by analytically including gravitational corrections to the vacuum decay rate. Present best-fit ranges of the top and Higgs masses mostly lie in the narrow metastable region. Furthermore, we show that the SM potential can be fine-tuned in order to be made suitable for inflation. However, SM inflation results in a power spectrum of cosmological perturbations not consistent with observations.
8 pages, 4 figures

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High Energy Physics - Phenomenology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/199795

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.0242
 http://arxiv.org/abs/0712.0242
 Phys.Rev.D77:025034,2008
 doi:10.1103/PhysRevD.77.025034

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arXiv