Electron-positron physics at 1 TeV Page: 3 of 44
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energy e+er linear colliders, stressing those points that have consequences for
detector design and physics analyses. Section 4 will discuss the general physics
environment. Finally, sections 5 through 7 will discuss three examples of the
discovery potential of these colliders - heavy leptons, standard Higgs bosons,
and charged Higgs bosons.
2. PHYSICS MOTIVATION
The major question facing particle physics in the next decade or two is the
question of mass. In the standard model W and fermion masses are given by
mw= <t> (g)
and
t = < > -(2)
where g is the weak coupling parameter, A is an arbitrary parameter for each
fermion, and < q > is the Riggs field vacuum expectation value. The value of
c > results from the physics of a new sector.
The t.-tality of our knowledge about this sector is
c4>= 246 GeV (3)
and
p , 1. (4)
The former relation sets the mass scale for the Higgs sector and the latter relation
tells us that this sector has a global SU(2) symmetry.
There are many ways tHt Nature could have chosen to implement the Higgs
sectar:
1. The minimal scheme has one doublet of Higgs fields and leads to one physical
neutral Higgs boson. This is not very satisfying, because the origin of the
Higgs self-coupling and the fermion mass terms is not 'xplained.
3q a
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Feldman, G. J. Electron-positron physics at 1 TeV, article, March 1, 1988; Menlo Park, California. (https://digital.library.unt.edu/ark:/67531/metadc1059793/m1/3/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.