Research Interests:
 
1995-present 
Preparation for the BaBar experiment at the SLAC B-factory.
 
1993-present 
Preparation for the design and construction of the ATLAS 
detector at the Large Hadron Collider (LHC). LHC is a proton-proton 
colliding beam machine to be built at CERN.
 
1989-present 
Data taking at the Zo peak (LEP I) and at LEP II (200 GeV) using the 
ALEPH detector at LEP, which started in August 1989. Research on 
LEP physics will continue until 2000. Some of the highlights of the 
physics accomplished by me and my group so far have been: the 
determination of the number of families with light neutrinos to be 
three, the mass and width of Zo, sin2thetaw, determination of the top
quark mass from electroweak parameters, the Higgs boson mass 
limit from LEP I, the first evidence for B baryons (Lb), the first 
evidence for B mesons with strangeness (Bs) and their masses and
lifetimes; results on oscillations of neutral Bd and Bs and for LEP II,
mass limits for the Higgs boson and SUSY particles.
 
1982-1989    
Preparation and construction of the ALEPH detector for the 
e+e- machine LEP at CERN, Geneva, Switzerland, to study 
the production and decays of the neutral intermediate boson 
Zo and the production of the charged intermediate bosons .
 
1977-1989    
Research carried out at the Deutsches Elektronen-Synchrotron 
(DESY), Hamburg, Germany to study e+e-  colliding beam 
physics using the detector TASSO and the machine PETRA.
One of my major contributions to this research was that I played 
the leading role in the discovery of the gluon in 1979.