The Standard Model process $e^+e^-\to ν\barνb\bar{b}$ and its Higgs signal at LEPI

Details The Standard Model process $e^+e^-\to ν\barνb\bar{b}$ and its Higgs signal at LEPI The Standard Model process $e^+e^-\to ν\barνb\bar{b}$ and its Higgs signal at LEPI

1996-03-22

arxiv.org/abs/hep-ph/9603383v2

Z.Phys. C76 (1997) 201-211

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages + 12 compressed figures (use gunzip to decompress them)

Scientific paper

We present and study the results for the standard model process $e^+e^-\to \nu\bar{\nu}b\bar{b}$ at c.m energies 150$\leq \sqrt{s} (GeV) \leq $ 240 and for Higgs boson masses $80 GeV \leq m_H \leq 120 GeV$, obtained from all tree-level diagrams and including the most important radiative corrections. The $\sqrt{s}$ dependence and the interference properties of the Higgs boson contribution and of various coherent background contributions to the total cross section are examined. The effect of the QED initial state radiative corrections is estimated. The important differential distributions for the Higgs boson and the background components are studied, providing information usefull for choosing cuts in Higgs searches. We also examine the effect of a minimal set of cuts and evaluate the importance of the WW fusion for detecting a higher mass Higgs boson at LEPII.

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