Research Interests for Calvin R. Howell

Research Interests: Experimental Nuclear Physics

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.

Recent Papers, Books and Preprints
  1. Tonchev, AP; Silano, JA; Ramirez, APD; Malone, RC; Stoyer, MA; Gooden, ME; Bredeweg, TA; Vieira, DJ; Wilhelmy, JB; Finch, SW; Howell, CR; Tornow, W, Energy dependence of chain fission product yields from neutron-induced fission of 235U, 238U, and 239Pu, Nuclear Data Sheets, vol. 202 (June, 2025), pp. 12-29 [doi][abs] .
  2. Song, J; Rotsch, D; Nolen, JA; Gampa, R; De Kruijff, RM; Brossard, T; Howell, CR; Krishichayan, F; Wu, YK; Mikhailov, S; Ahmed, MW; Janssens, RVF, Photonuclear cross sections for Au 197: An update on the gold standard, Physical Review C, vol. 110 no. 6 (December, 2024) [doi][abs] .
  3. Roberts, M; Norum, B; Keller, D; Pywell, R; Sawatzky, B; Chen, H; Crabb, D; Krahulik, T; Howell, C; Ahmed, M, Use of the HIFROST Dilution Refrigerator for the T20 Experiment, Proceedings of Science, vol. 456 (July, 2024)[abs] .
  4. Silano, JA; Malone, RC; Finch, SW; Gooden, ME; Howell, CR; Ramirez, APD; Thomas, K; Tonchev, AP; Tornow, W; Wilhelmy, JB, Characterization of 235U, 238U and 239Pu fission ionization chamber foils by α and γ-ray spectrometry, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1063 (June, 2024) [doi][abs] .
  5. Gooden, ME; Malone, RC; Bredeweg, TA; Bond, EM; Finch, SW; Howell, CR; Krishichayan; Ramirez, APD; Silano, JA; Stoyer, MA; Tonchev, AP; Tornow, W; Vieira, D; Wilhelmy, JB, Energy dependence of fission product yields in the second-chance fission region, Physical Review C, vol. 109 no. 4 (April, 2024) [doi][abs] .

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