Calvin R. Howell, Professor  

Calvin R. Howell

Office Location: 408 TUNL
Office Phone: (919) 660-2632
Email Address: howell@tunl.duke.edu
Web Page: http://www.tunl.duke.edu/Directory/Faculty/howell/

Specialties:
Experimental nuclear physics
Biological physics

Education:
Ph.D., Duke University, 1984
Master of Art, Duke University, 1980
Bachelor of Science, Davidson College, 1978

Research Categories: Experimental Nuclear Physics

Current projects: Measurement of the cross section for neutron-neutron quasi-free scattering , in neutron deuteron break; Determination of the s-wave neutron-neutron, scattering length using photodisintegration of the triton; Nuclear structure, studies of nuclei used in the search for neutrinoless double beta decay;, Nuclear reaction measurements important for nuclear security and , homeland security; and Carbon and nitrogen accumulation , and translocation in plants.

Research Description:

Professor Howell is the Director of the Triangle Universities Nuclear Laboratory (TUNL). His research interests are the quantum chromodynamics (QCD) description of structure and reactions of few-nucleon systems, Big Bang and explosive nucleosynthesis, and applications of nuclear physics in biology, medicine and national security. His research includes: studies of few-nucleon reaction dynamics, measurements of the neutron-neutron scattering length, photodisintegration of 3He and the triton, and studies of the carbon and nitrogen accumulation and translocation in plants using short-lived radioactive isotopes and positron emission tomography.

Areas of Interest:
experimental nuclear physics
few-nucleon reactions
nuclear astrophysics
nuclear structure
ecology and plant physiology
material analysis and imaging with gamma-rays and neutrons

Teaching (Spring 2016):

  • Physics 361.01, Intermediate mechanics Synopsis
    Bio sci 130, WF 11:45 AM-01:00 PM; Physics 154, Tu 06:00 PM-08:00 PM

Recent Publications   (More Publications)

  1. M.E. Gooden, C.W. Arnold, J.A. Becker, C. Bhatia, E.M. Bond, T.A. Bredeweg, B. Fallin, M.M. Fowler, C.R. Howell, J.H. Kelley, Krishichayan, R. Macri, G. Rusev, C. Ryan, S.A. Sheets, M.A. Stoyer, A.P. Tonchev, W. Tornow, D.J. Vieira, and J.B. Wilhelmy, Energy Dependence of Fission Product Yields from 235U, 238U and 239Pu for Incident Neutron Energies between 0.5 and 14.8 MeV, Nuclear Data Sheets, vol. 131 (2016), pp. 319 .
  2. C Bhatia, BF Fallin, ME Gooden, CR Howell, JH Kelley, W Tornow, CW Arnold, E Bond, TA Bredeweg, MM Fowler, W Moody, RS Rundberg, GY Rusev, DJ Vieira, JB Wilhelmy, JA Becker, R Macri, C Ryan, SA Sheets, MA Stoyer and AP Tonchev, Exploratory study of fission product yields of neutron-induced fission of , and at 8.9 MeV, Physical Review C, vol. 91 no. 6 (June, 2015) [doi] .
  3. C Bhatia, B Fallin, ME Gooden, CR Howell, JH Kelley, W Tornow, CW Arnold, EM Bond, TA Bredeweg, MM Fowler, WA Moody, RS Rundberg, G Rusev, DJ Vieira, JB Wilhelmy, JA Becker, R Macri, C Ryan, SA Sheets, MA Stoyer and AP Tonchev, Dual-fission chamber and neutron beam characterization for fission product yield measurements using monoenergetic neutrons, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 757 (September, 2014), pp. 7-19 [doi] .
  4. LJ Broussard, HO Back, MS Boswell, AS Crowell, P Dendooven, GS Giri, CR Howell, MF Kidd, K Jungmann, WL Kruithof, A Mol, CJG Onderwater, RW Pattie, PD Shidling, M Sohani, DJ van der Hoek, A Rogachevskiy, E Traykov, OO Versolato, L Willmann, HW Wilschut and AR Young, Measurement of the Half-Life of the Mirror Decay of and its Implication on Physics Beyond the Standard Model, Physical Review Letters, vol. 112 no. 21 (2014), pp. 212301 [doi] .
  5. G. J. Weisel, W. Tornow, A. S. Crowell, J. H. Esterline, G. M. Hale, C. R. Howell, P. D. O’Malley, J. R. Tompkins and H. Witala, Neutron-Deuteron Analyzing Power Data at En= 22.5 MeV, Phys. Rev. C, vol. 89 (2014), pp. 054001 .

Curriculum Vitae

Highlight:

Professor Howell is the Director of the Triangle Universities Nuclear Laboratory (TUNL). His research interests are the quantum chromodynamics (QCD) description of structure and reactions of few-nucleon systems, Big Bang and explosive nucleosynthesis, and applications of nuclear physics in biology, medicine and national security. His research includes: studies of few-nucleon reaction dynamics, measurements of the neutron-neutron scattering length, photodisintegration of the deuteron and beryllium at energies relevant to astrophysics processes, and studies of the carbon and nitrogen accumulation and translocation in plants using short-lived radioactive isotopes and positron emission tomography.

Current Ph.D. Students   (Former Students)

Postdocs Mentored

  • Robert A. Macri (March 01, 2004 - September 30, 2004)  
  • Shigeyuki Tajima (January 1, 2004 - August 31, 2004)  
  • Alexander S. Crowell (January 1, 2002 - December 31, 2007)  
  • Steve Churchwell (1998/01-2001/08)