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Title: A geometric formulation of Higgs Effective Field Theory. Measuring the curvature of scalar field space

A geometric formulation of Higgs Effective Field Theory (HEFT) is presented. Experimental observables are given in terms of geometric invariants of the scalar sigma model sector such as the curvature of the scalar field manifold M. Here we show how the curvature can be measured experimentally via Higgs cross-sections, WLscattering, and the Sparameter. The one-loop action of HEFT is given in terms of geometric invariants of M. Moreover, the distinction between the Standard Model (SM) and HEFT is whether Mis flat or curved, and the curvature is a signal of the scale of new physics.
Authors:
 [1] ;  [2] ;  [2]
  1. Univ. of California, San Diego, CA (United States)
  2. Univ. of California, San Diego, CA (United States); CERN TH Division, Geneva (Switzerland)
Publication Date:
OSTI Identifier:
1236103
Grant/Contract Number:
SC0009919
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 754; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Univ. of California, San Diego, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS