Calvin Howell
born:
place:
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B.S. (physics)
Davidson College in 1978;
Ph.D. Duke University
(1984)
Full Professor
of Physics Duke University
url: http://www.tunl.duke.edu/Directory/Faculty/howell/
email: howell@tunl.duke.edu
Calvin Howell received his Ph.D. from Duke
University in 1984 with a research specialty in experimental nuclear
physics. After working for a year as a Post Doctorial Fellow
at the Triangle Universities Nuclear Laboratory (TUNL), he joined
the physics faculty at Duke University in 1985 as an Assistant
Professor. He is currently a Professor of physics at Duke
University and the Deputy Director of TUNL. He also has
an Adjunct Professor appointment in the department of physics
at North Carolina Central University. The main trusts of
his research program are in the areas of reaction dynamics in
few-nucleon systems and the study of subnucleon degrees of freedom. He
has held Visiting Scientist positions at Los Alamos National Laboratory,
the Stanford Linear Accelerator Center, and Jefferson Laboratory.
Professor Howell demonstrates his commitment to the field of nuclear
physics and to the academy through service. He has served
on the DOE/NSF Nuclear Science Advisory Committee, on the Executive
Committee of the Southeastern Section of the American Physical
Society, on several NSF grant review panels, and has contributed
to the writing of two long-range plans for nuclear science in
the U.S. In 1998 he served the community as a Nuclear Physics
Program Director at the National Science Foundation. His
desire to give back to his community is realized through his participation
in activities that provide academic opportunities for minority
students. He has served as a Faculty Coordinator for the Carolina
Ohio Science Education Network, as the Faculty Coordinator for
the Mellon Minority Undergraduate Fellowship Program at Duke University
and is currently serving as the Academic Coordinator for the Minority
Medical Education Program at the Duke University Medical Center.
Research
Calvin R. Howell has coauthored more that 70 articles in nuclear physics journals. He is involved in studies of the nucleon-nucleon strong force, especially the (weak) p-wave component at low energies, using polarized neutron scattering from proton and deuteron targets. The latter case also tests the latest 3-body calculations and is being used to search for 3-body forces. Precision measurements of scattering lengths are being used to look for violations of charge- independence in the strong force, a phenomenon which is related to up-down quark mass differences. Dr. Howell is also preparing to perform measurements of the electric and magnetic form factors of the neutron using the facilities at CEBAF. These observables will test our present quark models of the nucleon.
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