Stephen Reucroft Matthews Distinguished Professor of Physics PhD Liverpool University, 1969 (617)373-2941 reucroft@neu.edu

Research Summary:

Professor Reucroft is involved in three major experiments. These are:

• L3 at the LEP Collider in CERN, Geneva, Switzerland
  
  For several years, the L3 experiment has been collecting data in e+e- collisions at a total energy near the Z⁰ mass. These data have been used to investigate and evaluate the Standard Model and to look for inherent weaknesses, errors, wrong predictions, etc. Apart from some remaining analysis projects, that portion of the experiment has now come to an end. Recently, the LEP collision energy was increased to the W⁺W^- threshold region and, from now until the end of LEP running in 1999, in order to continue the Standard Model scrutiny to higher energy and seek new physics, L3 will be studying e+e- collisions at energies above 2 times the W mass.
  
• DØ at the Tevatron Collider in FNAL, Batavia, IL.

The DØ experiment is studying the particle products resulting from very high energy proton-antiproton collisions. Amongst many physics topics, the experiment continues to seek evidence of new phenomena, especially those phenomena not predicted by the Standard Model. This experiment recently announced the discovery of the top quark. The DØ detector is currently being upgraded for higher luminosity Tevatron operation.


• CMS at the LHC Collider in CERN.

The CMS experiment will continue the hadron collider physics program to 14 TeV. It is a natural continuation of DØ. If there really is a Higgs mechanism responsible for particle masses, then the CMS experiment will be able to confirm it (or discount it!).

The Northeastern group is involved in all aspects of these three projects from design, planning and simulation work through detector development to data collection, analysis and the publication and presentation of results. Professor Reucroft came to Northeastern from CERN in 1986 in order to strengthen the L3 efforts and he has since initiated the D0 and CMS involvements. On the way to his current activities in the highest energy hadron collider experiments, he was co-spokesman of the putative SSC experiment TEXAS that proposed several very novel (if unconventional) experimental techniques.

Recent Publications :

A New Way to Detect the Higgs.
S. Reucroft, Y. Srivastava, J. Swain, A Widom (Northeastern University). Nov 2006. 4pp. Presented at 2nd Workshop on TeV Particle Astrtophysics, Madison, Wisconsin, 28-31 Aug 2006.
Published in J. Phys.: Conf. Ser. 60 187-190, 2007.
http://dx.doi.org/doi:10.1088/1742-6596/60/1/038

Probing the Higgs Field Using Massive Particles as Sources and Detectors.
S. Reucroft, Y.N. Srivastava, J. Swain, A. Widom (Northeastern University) Sep 2006. 6pp. Published in Eur. Phys. J. C 48: 781-786, 2006.
http://dx.doi.org/10.1140/epjc/s10052-006-0022-8

Results of the First Performance Tests of the CMS Electromagnetic Calorimeter.
P. Adzic, Y. Musienko, S. Reucroft, J. Swain, et al. (CMS Collaboration). 2006. 10pp. Published in Eur. Phys. J C 44, s1.1-s1.10 (2006).
http://dx.doi.org/10.1140/epjcd/s2005-02-011-3

Anisotropy Studies Around the Galactic Center at EeV Energies with the Auger Observatory.
M. Aglietta, T. McCauley, T. Paul, S. Reucroft, J. Swain et al. (Pierre Auger Collaboration). FERIMILAB-PUB-06-241-A-TD, Ju 2006.
http://dx.doi.org/10.1016/j.astropartphys.2006.11.002

Search for a Higgs Boson Produced in Association with a Z Boson in P Anti-P Collisions.
V. M. Abazov, S. Reucroft et al. (D0 Collaboration). FERMILAB-PUB-07-076-E, Apr 2007. 8pp. Submitted to Phys. Lett. B.