Program of the John Deere Chapter of Sigma Xi

New member induction. We are pleased to announce that the students listed below have done research, have otherwise met the qualifications for associate membership in Sigma Xi, and will be inducted as new members during a brief ceremony at the beginning of this meeting. Congratulations to Angelina, Kelli and Rachel.

Angelina Kempf	Associate	Junior biology major at St. Ambrose University
Kelli Kerkhoff	Associate	Senior biology major at Augustana College
Rachel Saplis	Associate	Senior biology major at Augustana College

Special ceremony. Several associate members of Sigma Xi are graduating this spring. In a brief ceremony preceding the talk, they will be honored with the presentation of a Sigma Xi cord, to be worn with their graduation gown on the day of commencement. Each student will bring us up to date on their plans for the future. We wish them the very best in their future research projects.

7:00 pm, Thursday, April 10, 2003
Science Building, Lecture Room 102, Augustana College, Rock Island, Illinois
Parking is available in Lot H, just north of the building. You may enter on the ground floor at either the north or south entrance. The lecture hall is at the south end of the building. There is handicap parking at the north entrance.

"Basic Concepts of Accelerators and Synchrotron Radiation"

Dr. David C. Williams, Director of the X-ray Collaboration for Illinois Technology and Education (XCITE), and John G. Kulpin, Research Engineer with the DuPont-Northwestern-Dow Collaborative Access Team at the Advanced Photon Source, will discuss some of the exciting research projects being done at the APS. Located at Argonne National Laboratory, the APS is a national synchrotron-radiation light source research facility.

Advanced Photon Source
Argonne National Laboratory

The Advanced Photon Source at Argonne National Laboratory is currently an electron particle accelerator optimized for the production of synchrotron radiation and multidisciplinary scientific research. The basic concepts of the acceleration process and production of synchrotron radiation will be explained. They will discuss experimental techniques (x-ray absorption, x-ray scattering, protein crystallography) and some examples of projects and exciting discoveries. Dr. Williams will elaborate on the role of the seven Illinois universities and the XCITE internship programs.

Before assuming his present position, David Williams was program director for the Manufacturing Technology program at the Illinois Institute of Technology. John Kulpin started his physics career in accelerator technology in 1989 in the Argonne Nuclear Physics Division. After receiving a physics and mathematics diploma he worked in high energy accelerator operations at the Fermi National Accelerator Laboratory. John has worked in private industry on electronic circuit development and has several publications in synchrotron radiation instrumentation.

COBRA (coherent Bragg rod analyses): Determining Atomic Positions in Thin-Film Structures and Interfaces	First Knot Discovered in Ancient Bacterium Protein
A Switch in Time: A New Path to Subpicosecond X-ray Pulses	A Copper Crystal Lens for Ultra-High-Sensitivity Medical Imaging