M. Acciarri et al., SEARCH FOR NEUTRAL HIGGS-BOSON PRODUCTION THROUGH THE PROCESS E(-)-]Z(ASTERISK)H(0)()E(), Physics letters. Section B, 385(1-4), 1996, pp. 454-470
The results of the searches for neutral Higgs boson production in the
process e(+)e(-) --> Z H-0 are reported, focusing on Higgs boson mass
es below 70 GeV. The data sample consists of three million hadronic Z(
0) decays collected by the L3 experiment at LEP from 1991 through 1994
. No signal is found leading to a lower limit on the mass of the Stand
ard Model Higgs boson of 60.2 GeV at 95% C.L. These results are also i
nterpreted in the framework of the General Two Doubler Model and limit
s on the nonstandard Higgs boson production through the process e(+)e(
-) --> Zh(0) are set. A lower limit of 66.7 GeV at 95% C.L. is obtain
ed for the case where the Higgs decays into an invisible final state.