Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-09-14
Eur.Phys.J.C48:781-786,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, no figures; Version 2 corrects some typographical errors of factors of 2 in equations 14, 17, 18 and 19 (all of the s
Scientific paper
10.1140/epjc/s10052-006-0022-8
In the Standard Model, all massive elementary particles acquire their masses by coupling to a background Higgs field with a non-zero vacuum expectation value. What is often overlooked is that each massive particle is also a source of the Higgs field. A given particle can in principle shift the mass of a neighboring particle. The mass shift effect goes beyond the usual perturbative Feynman diagram calculations which implicitly assume that the mass of each particle is rigidly fixed. Local mass shifts offer a unique handle on Higgs physics since they do not require the production of on-shell Higgs bosons. We provide theoretical estimates showing that the mass shift effect can be large and measurable, especially near pair threshold, at both the Tevatron and the LHC.
Reucroft Stephen
Srivastava Yogendra N.
Swain Jitendriya
Widom Allan
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