JOHN CALARCO

Professor, Nuclear Physics Group

(603) 862-2088
(f) (603) 862-2998
9 Library Way Durham New Hampshire 03824
E-mail: calarco@unh.edu

Expertise:

Experimental Nuclear/Nucleon Physics

Professional Interests:

My interests are in the structure of nucleons and light nuclei, using the scattering of electrons or the absorption of gamma rays as the primary probe. As an experimentalist, I am primarily engaged in the development of ideas for new ways to investigate this structure, from proposing new reactions to designing and constructing new detector systems.

I am an active collaborator in Both Halls A and B at CEBAF (Jefferson Lab) and at the MIT-Bates accelerator, responsible for the design and implementation of equipment at both facilities and actively participating in both ongoing experiments and proposals for new physics.

This research covers a broad range in the scale of both energy and spatial size, from looking at the coherent absorption of gamma rays of fairly low energy (about 25 MeV) by entire nuclei into what are called "giant resonances", to the absorption of multi-GeV photons by 6-quark structures creating "dibaryons", and a range of topics in between such as the structure of the D-state in 3He and whether or not strange quarks can be found in normal nucleons such as the proton. I am presently cospokesperson on a proposal to make a 1% measurement of the radius of the proton; one of my students and I are presently engaged in the data taking phase of an experiment to measure the deviation of the proton's shape from being spherical; and another student and I are preparing detectors for studying the detailed quark substructure of the proton with high energy gamma rays.

Education:

1969	Ph.D. in Physics, University of Illinois, Champaign-Urbana, Illinois
1963	B.S. in Engineering, The George Washington University

Publications: