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Heidelberg 1999 – scientific programme

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T: Teilchenphysik

T 506: Higgs-Bosonen 2

T 506.3: Talk

Thursday, March 18, 1999, 10:40–10:55, TE7

A Cross-section Measurement of the Process e+ e q q ν ν  and Sensitivity to Higgs Boson Production in the b b ν ν  Final State in the DELPHI Experimen — •Reino Keränen1, Cornelius F. Vollmer1, and Richard Jacobsson21Universität Karlsruhe — 2CERN, PPE, CH-1211 Genf 23, Schweiz

Experimental study of the four-fermion process e+ eq q ν ν  has become accessible with the increased center-of-mass energy above the ZZ threshold at the LEP collider at CERN. In the Standard Model, the light quark final states result mostly from production of real Z boson pairs, while additional effects of Higgs boson production are possible in the final state of beauty quarks. The measurement of the cross-sections of the q q ν ν  final states (non-beauty and beauty flavours) and the sensitivity to the lightest Higgs boson are discussed.

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