The equivalent vector boson approximation for intermediate mass higgs boson production

Godbole, R. M. ; Rindani, S. D. (1987) The equivalent vector boson approximation for intermediate mass higgs boson production Zeitschrift für Physik. C, Particles and Fields, 36 (3). pp. 395-401. ISSN 0170-9739

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Official URL: http://www.springerlink.com/content/p70m634514lr35...

Related URL: http://dx.doi.org/10.1007/BF01573934

Abstract

We consider the equivalent vector boson approximation (EVBA) for the process qq→qqWW→qqH and qq→qqZZ→qqH. It is shown that the contributions σT and σL, of the transversely and longitudinally polarized vector bosons V respectively, are comparable with each other for intermediate values of mH viz. 0.3 TeV to 0.6 TeV. σT can be as large as 1.5-2 times σL in this mass range. As a result the leading EVBA for σ=σLT overestimates the exact total cross-section by a factor, upto 2-3 even, at high energies. σT is negligible with respect to the leading contribution σL only for mH0.6 TeV, where EVBA is correct within 15-20%. Further the effect of the corrections to EVBA, which are naively of nonleading order, on these conclusions in the framework of the EVBA is discussed.

Item Type:Article
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