![]() ![]() ![]() Says Tigner, "We are in a very good position to be the first people to really nail that." There is a need for somebody in the world to do things that have never been done before," says LEPP director Maury Tigner.According to the theory of the strong force, there should exist new forms of matter, called gluonic matter, or "glueballs," involving the interactions of particles called gluons. "There are important physics to be done here. The studies will use the charm quark, which CESR will be able to produce in abundance. In the new NSF Physics Division-funded project, LEPP physicists and their collaborators from 18 other universities will make precision measurements of the "strong force," which binds the quarks in the elementary particles, protons and neutrons. As of this summer, LEPP will begin switching its operations to lower energies to investigate the charm quark, known as c-physics. Research at CESR and CLEO has provided much of the world's knowledge about the nature of the weak nuclear force - one of the four fundamental forces in nature - through the study of the b-quark. Physicists use the accelerator's particle detector, called CLEO, to observe the decays of particles containing quarks and to infer the laws governing them. The expected awards indicate the NSF's approval of a major change in LEPP's 23-year investigation into the interactions of elementary particles. Both research facilities share use of the Cornell Electron Storage Ring (CESR), the university's high-energy particle accelerator. Up to $25 million, recommended by NSF program managers, would go to CHESS, with $2.44 million of this amount funded by the National Institutes of Health's National Institute for General Medical Sciences. ![]() Of the award, approximately $99 million already approved by the National Science Board, the NSF's policy body, would go to LEPP. Cornell University will be awarded up to $124 million over the next five years by the National Science Foundation (NSF) to support research at the Laboratory for Elementary-Particle Physics (LEPP) and the Cornell High Energy Synchrotron Source (CHESS), a national user facility. ![]()
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