EDUCATION:
Ph.D. 1958, Yale University

RESEARCH:
My interests include studying high-energy physics with proton and nuclear beams, particle detectors, and charge transport in liquids.      

I spent many years at CERN, in Switzerland, initially to take advantage of the first high-energy colliding beams machine, the ISR. I did a number of experiments there that required the development of the techniques of working in the physics of colliding beams at high interaction rates. This problem is now at the forefront of high-energy physics with the new facilities for proton-proton and nucleus-nucleus collisions. I am the Project Manager for the U.S. part of the ATLAS experiment at the Large Hadron Collider at CERN.  This is collaboration of more than thirty U.S. institutions, and many more overseas, to design and build a large spectrometer over the next few years. The physics goals in the proton colliders are well understood: to discover what lies behind the Standard Model. In particular, there must be new physics in just the energy range covered by the new accelerator to account for the breaking of the symmetry between the weak and electromagnetic forces, which must explain the origin of mass, and other fundamental issues.

Continuing my long-standing interest in using the electron transport in noble liquids to develop new particle detectors, I have started to work with liquid helium and neon, where the charged state is unusual, an electron in a cavity, an “electron bubble.”  The use of this state for tracking offers unusual opportunities for applications to studies of neutrinos, due to the high spatial resolution and low backgrounds available in large volumes.  There are outstanding questions in the physics of the electron bubbles that we wish to study for the tracking applications we are pursuing and well as for their own interest.

SELECTED PUBLICATIONS:
For a complete listing of publications see Spires. Some recent publications are:

"Charged kaon and pion production at midrapidity in proton nucleus and sulphur nucleus collisions", H. Boggild et al., (NA44 Collaboration), Phys. Rev. C59, 328(1999).

"Three pion correlations in sulphur lead collisions at the CERN SPS", H. Boggild et al., (NA44 Collaboration), Phys. Lett. B455, 77(1999)

"Two proton correlations near midrapidity in p+Pb and S+Pb collisions at the CERN SPS", H. Boggild et al., (NA44 Collaboration), To appear in Phys. Lett. B Preprint: nucl-ex/9906006

"Strange meson enhancement in PbPb collisions", I.G. Bearden et al., (NA44 Collaboration), Phys. Lett. B471, 6(1999).

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