UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP

GOUNARIS G, RENARD FM, Schildknecht D (1993)
Modern Physics Letters A 8(07): 647-660.

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Abstract
Replacing elementary Higgs exchange in vector-boson scattering by an angular-momentum-zero unitarity-saturating partial wave amplitude described by a dispersion relation which incorporates low-energy gauge theory and high-energy partial-wave unitarity constraints, we find an upper bound of LAMBDA less than or similar to LAMBDA(max) congruent-to 0.8 TeV for the scale, LAMBDA, at which saturation of partial wave unitarity is to occur. Upon inserting the partial wave amplitude into a novel integral representation for the bosonic vacuum polarization contribution to the electroweak rho parameter, DELTA(rhob), we establish an upper bound on -DELTA(rhob)(less than or similar to 0.033), while for the case of the elementary Higgs scalar, the integral representation reproduces the well known m(H)/m(W) formula for DELTA(rhob). The upper bound on -DELTA(rhob) implies that the value of the mass of the top quark extracted from LEP1 measurements becomes justified even in the case when the Higgs scalar is replaced by a strong-interaction-like J = 0 partial wave.
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GOUNARIS G, RENARD FM, Schildknecht D. UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP. Modern Physics Letters A. 1993;8(07):647-660.
GOUNARIS, G., RENARD, F. M., & Schildknecht, D. (1993). UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP. Modern Physics Letters A, 8(07), 647-660.
GOUNARIS, G., RENARD, F. M., and Schildknecht, D. (1993). UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP. Modern Physics Letters A 8, 647-660.
GOUNARIS, G., RENARD, F.M., & Schildknecht, D., 1993. UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP. Modern Physics Letters A, 8(07), p 647-660.
G. GOUNARIS, F.M. RENARD, and D. Schildknecht, “UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP”, Modern Physics Letters A, vol. 8, 1993, pp. 647-660.
GOUNARIS, G., RENARD, F.M., Schildknecht, D.: UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP. Modern Physics Letters A. 8, 647-660 (1993).
GOUNARIS, G, RENARD, FM, and Schildknecht, Dieter. “UNITARITY BOUNDS ON WW SCATTERING AND ELECTROWEAK TESTS AT LEP”. Modern Physics Letters A 8.07 (1993): 647-660.
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