Authors: ROMESH K KAUL
Publish Date: 2016/08/23
Volume: 87, Issue: 3, Pages: 37-
Abstract
The Naturalness Principle as a requirement that the heavy mass scales decouple from the physics of light mass scales is reviewed In quantum field theories containing elementary scalar fields such as the Standard Model of electroweak interactions containing the Higgs particle mass of the scalar field is not a natural parameter as it receives large radiative corrections How supersymmetry solves this Naturalness Problem is outlined There are also other contexts where the presence of elementary scalar fields generically spoils the high–low mass scales decoupling in the quantum theory As an example of this the nondecoupling of possible Planck scale violation of Lorentz invariance due to quantum gravity effects from the physics at low scales in theories with elementary scalar fields such as the Higgs field is described Here again supersymmetry provides a mechanism for ensuring that the decoupling of heavy–light mass scales is maintainedComments by Gautam Bhattacharyya are gratefully acknowledged This writeup is based on a talk at the conference on Supersymmetry and Dark Matter Centre for High Energy Physics Indian Institute of Science Bangalore Indian October 3–5 2013 The author would like to thank the organizers of this meeting for excellent hospitality at Bangalore The author also acknowledges the support of Department of Science and Technology Government of India through a J C Bose National Fellowship
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