Skip to Main Content

UMass Lowell will resume on-campus instruction, research and campus life for Fall 2020. View the plan for more info.

Gunter Kegel


Gunter Kegel
Gunter KegelProfessor Emeritus

Research Interests

Experimental nuclear physics, radiation effects in materials

Selected Publications

  • Woodring, M.L., Egan, J.E., Kegel, G., DeSimone, D.J. (2008). Fast neutron induced fission neutron spectra below the incident energy. Journal of Radioanalytical and Nuclear Chemistry, 276(3) 707-712.
  • Kim, D., Egan, J., Kegel, G., DeSimone, D. (2003). A human head phantom for dose measurements in boron neutron capture therapy (WIP). Medical physics, 30(6).
  • Ko, Y.J., Egan, J.J., Kegel, G., DeSimone, D.J., Seo, P.N., Young, P.G. (2000). Thulium-169 neutron inelastic scattering cross section measurements via the 169 Tm (n,n ) reaction. Nuclear Physics A, 679(2) 147-162.
  • Kegel, G., Desimone, D. (1999). Facilities for gamma and neutron irradiations. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 426(1) 61-67.
  • Narayan, C., O'Connor, M., Kegel, G., Mittler, A., Brodeur, C. (1998). Analysis of Van de Graaff ion source with Rutherford backscattering spectroscopy. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 134(2) 271-275.
  • Desimone, D.J., Kegel, G., Egan, J.J., Jen, C.K., O'connor, M., Narayan, C. (1997). Fluence determination for a pseudo-white neutron spectrum. Conference Proceedings - Italian Physical Society, 59 1245-1247.
  • Kegel, G., Desimone, D.J., Egan, J.J., Ko, Y.J., Mittler, A., Seo, P.N. (1997). High resolution neutron total cross sections of U-235 from 200 to 400 keV. Conference Proceedings - Italian Physical Society, 59 589-590.
  • Desimone, D.J., Kegel, G., Egan, J.J., Bertone, P., Staples, P. (1997). Studies of a poenitz-type black neutron detector as a neutron flux monitor. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 388(3) 443-446.
  • Kegel, G., DeSimone, D.J., Egan, J.J., Jen, C.K., Narayan, C., O'Connor, M. (1997). Studies of neutron dosimetry. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 388(3) 440-442.
  • Staples, P., Egan, J.J., Kegel, G., Mittler, A. (1997). The 14N(n,n ) cross section of the 2.313-MeV first excited state. Nuclear Science and Engineering, 126(2) 168-175.
  • Staples, P., Egan, J.J., Kegel, G., Mittler, A. (1997). The N-14(n,n'gamma) cross section of the 2.313-MeV first excited state. Nuclear Science and Engineering, 126(2).
  • Egan, J.J., Woodring, M.L., Desimone, D.J., Kegel, G., Mittler, A., Staples, P., Souza, D.J., Tedesco, J.R. (1997). Use of BaF2 detectors to signal fission events in fission neutron spectroscopy. Conference Proceedings - Italian Physical Society, 59 544-546.
  • Yue, G., O'Connor, M., Egan, J.J., Kegel, G. (1996). Neutron scattering angular distributions in 239Pu at 570 and 700 keV. Nuclear Science and Engineering, 122(3) 366-373.
  • Narayan, C., O'Connor, M., Kegel, G., Johnson, R., Salmons, C., White, C. (1996). PIXE studies on artifacts from Saugus Iron Works. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 118(1-4) 396-399.
  • Staples, P., Egan, J.J., Kegel, G., Mittler, A., Woodring, M.L. (1995). Prompt fission neutron energy spectra induced by fast neutrons. Nuclear Physics, Section A, 591(1) 41-60.
  • Kegel, G., Bertone, P.F., Case, D.L., DeSimone, D.L., Jen, C.K., Narayan, C. (1994). Radiation damage studies with accelerator generated neutrons. Conference Proceedings - Italian Physical Society, 46(1) 87-99.
  • Kegel, G., Bertone, P.F., Case, D.L., Desimone, D.J., Jen, C.K., Narayan, C., Oconnor, M., Staples, P. (1992). Fluences and Spectra of Accelerator Generated Fast-Neutrons. IEEE Transactions on Nuclear Science, 39(6).
  • Jen, C.K., Kegel, G., Jen, K.P. (1992). Ion beam analysis of lithium diffused germanium-lithium interfaces. Journal of Vacuum Science & Technology, A: Vacuum, Surfaces, and Films, 10(4) 2832-8.
  • Jen, C.K., Kegel, G., Jen, K.P. (1992). Ion-Beam Analysis of Li Diffused Ge-Li Interfaces. Journal of Vacuum Science & Technology A-Vacuum Surfaces and Films, 10(4).
  • Jen, C.K., Kegel, G. (1991). Measurement of the lithium isotopic concentration. Nuclear Inst.and Methods in Physics Research, B, 62(2) 242-246.
  • Reisman, A., Walters, M., Kegel, G. (1991). Neutron irradiation of insulated gate field effect transistors. Journal of Electronic Materials, 20(11) 935-938.
  • Narayan, C., Karakashian, A.S., Kegel, G., Rivera, Z. (1991). Tuning of the Schottky barrier height using bi-metallic layered structures. Applied Physics Letters, 59(20) 2541-2542.
  • Kegel, G., Jen, C.K. (1990). Radiation studies with accelerator generated fast neutrons. Journal of Electronic Materials, 19(7) 629-632.
  • Kegel, G. (1989). Fast neutron generation with a type CN Van de Graaff accelerator. Nuclear Inst.and Methods in Physics Research, B, 40-41(PART 2) 1165-1168.
  • Kegel, G. (1989). Fast-Neutron Generation with a Type Cn Vandegraaff Accelerator. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 40-1.
  • Goswami, G.C., Egan, J.J., Kegel, G., Mittler, A., Sheldon, E. (1988). Neutron scattering cross sections up to 2.4 MeV for the ground and first two excited states of 232Th. Nuclear Science and Engineering, 100(1) 48-60.
  • Shao, J.Q., Couchell, G.P., Egan, J.J., Kegel, G., Li, S.Q., Mittler, A., Pullen, D.J., Schier, W.A. (1986). FAST NEUTRON INELASTIC SCATTERING CROSS SECTIONS OF **2**3**8U FOR STATES BETWEEN 680 AND 1530 kev. Nuclear Science and Engineering, 92(3) 350-371.
  • Sheldon, E., Beghian, L.E., Ciarcia, C.A., Couchell, G.P., Dave, J.H., Egan, J.J., Goswami, G., Kegel, G., Li, S.Q., Mittler, A., Pullen, D.J., Schier, W.A., Shao, J.Q. (1986). Fast-neutron inelastic scattering cross sections for the principal even-even actinide nuclei. I: 232Th(n,n'). Journal of Physics G: Nuclear Physics, 12(3) 237-255.
  • Shao, J.Q., Couchell, G.P., Egan, J.J., Kegel, G., Li, S.Q., Mittler, A., Pullen, D.J., Schier, W.A., Arthur, E.D. (1986). Fast-Neutron Inelastic-Scattering Cross-Sections of U-238 for States between 680 and 1530 Kev. Nuclear Science and Engineering, 92(3).
  • Kegel, G. (1986). Fast-Neutrons - Generation, Dosimetry, and Applications. Ieee Transactions on Electrical Insulation, 21(3).
  • Dave, J.H., Egan, J.J., Couchell, G.P., Kegel, G., Mittler, A., Pullen, D.J., Schier, W.A., Sheldon, E. (1985). CROSS SECTIONS, TRANSITION SCHEMES, AND BRANCHING RATIOS FOR **2**3**2Th FROM THE **2**3**2Th(n,n prime gamma ) REACTION. Nuclear Science and Engineering, 91(2) 187-208.
  • Dave, J.H., Egan, J.J., Couchell, G.P., Kegel, G., Mittler, A., Pullen, D.J., Schier, W.A., Sheldon, E. (1985). Cross-Sections, Transition Schemes, and Branching Ratios for Th-232 from the Th-232(n,n'gamma) Reaction. Nuclear Science and Engineering, 91(2).
  • Kegel, G. (1985). Fluences and energy spectra of fast neutrons from a proton-irradiated thick lithium target. Computer Physics Communications, 36(3) 321-336.
  • Ciarcia, C.A., Couchell, G.P., Egan, J.J., Kegel, G., Li, S.Q., Mittler, A., Pullen, D.J., Schier, W.A., Shao, J.Q. (1985). NEUTRON INELASTIC SCATTERING CROSS SECTIONS FOR STATES ABOVE 700 keV IN **2**3**2 Th. Nuclear Science and Engineering, 91(4) 428-443.
  • Mcwilliams, F.F., Chabot, G.E., Kegel, G. (1984). The Production and Characterization of High-Energy Photon Radiation-Fields at the University-Of-Lowell. Health physics, 47(1).
  • Kegel, G. (1981). A time-of-flight spectrum simulator for neutron elastic and inelastic scattering. Computer Physics Communications, 24(2) 205-223.
  • Menachery, J.D., Couchell, G.P., Egan, J.J., Kegel, G., Mittler, A., Pullen, D.J., Schier, W.A. (1980). High-Resolution Neutron Time-Of-Flight Spectrometer. Bulletin of the American Physical Society, 25(2).
  • Moyle, J., Traegde, K., Kegel, G., Schier, W.A. (1980). Near Threshold Neutron Tof Spectra Simulation for Ring Geometry. Bulletin of the American Physical Society, 25(2).
  • Menachery, J.D., Egan, J.J., Kegel, G., Mittler, A., Pullen, D.J., Chang, J.H., Shao, J.C. (1980). Neutron Time-Of-Flight Spectroscopy for States Near 1 Mev in Th-232 and U-238. Bulletin of the American Physical Society, 25(4).
  • Traegde, K., Schier, W.A., Couchell, G.P., Kegel, G., Pullen, D.J., Moyle, J. (1980). Ring Geometry Measurements of U-238 (N,n') for En Less-than 200 Kev. Bulletin of the American Physical Society, 25(4).
  • Egan, J.J., Menachery, J.D., Kegel, G., Pullen, D.J. (1979). Neutron Inelastic-Scattering Cross-Sections of Th-232 obtained from (N,n'-Gamma) Measurements. Bulletin of the American Physical Society, 24(7).
  • Sullivan, N.B., Egan, J.J., Kegel, G., Harihar, P. (1979). Neutron Inelastic-Scattering in Si-28 to 4.15-Mev. Nuclear Science and Engineering, 70(3).
  • Beghian, L.E., Kegel, G., Marcella, T.V., Barnes, B.K., Couchell, G.P., Egan, J.J., Mittler, A., Pullen, D.J., Schier, W.A. (1979). Neutron-Scattering Cross-Sections of U-238. Nuclear Science and Engineering, 69(2).
  • Leriche, D., Lebrun, S., Kegel, G. (1979). Use of an Open Air Proton-Beam. Bulletin of the American Physical Society, 24(5).
  • Schier, W.A., Traiforos, S., Kegel, G., Mittler, A. (1978). (N,n'gamma) and (N,pgamma) Reactions for Nickel from En=1.2 to 4.0 Mev. Bulletin of the American Physical Society, 23(4).
  • LeClaire, R.V., Egan, J.J., Beghian, L.E., Couchell, G.P., Kegel, G., Mathur, S.C., Mittler, A., Schier, W.A. (1978). Cross sections in the Co59(n, n )Co59 reaction from 1.1 to 3.3 MeV. Physical Review C, 18(3) 1185-1200.
  • Leclaire, R.V., Egan, J.J., Beghian, L.E., Couchell, G.P., Kegel, G., Mathur, S.C., Mittler, A., Schier, W.A. (1978). Cross-Sections in Co-59 (N,n'gamma) Co-59 Reaction from 1.1 to 3.3 Mev. Physical Review C, 18(3).
  • Kegel, G., Marcella, T.V., Jain, S. (1978). Finite Sample Corrections in Neutron Spectroscopy. Bulletin of the American Physical Society, 23(4).
  • Menachery, J., Egan, J.J., Couchell, G.P., Kegel, G., Sullivan, N.B. (1978). Study of Gamma-Rays Following Inelastic Neutron-Scattering from Th-232. Bulletin of the American Physical Society, 23(4).
  • Correia, J.A., Schier, W.A., Beghian, L.E., Couchell, G.P., Egan, J.J., Kegel, G., Leclaire, R.V., Mittler, A. (1977). 55Mn(n, n' ) cross-section studies for En = 1.0-3.6 MeV. Nuclear Physics, Section A, 286(2) 322-338.
  • Donati, D.R., Mathur, S.C., Sheldon, E., Barnes, B.K., Beghian, L.E., Harihar, P., Kegel, G., Schier, W.A. (1977). Cross sections, angular distributions, and magnetic substate populations in the Na23(n,n) reaction. Physical Review C, 16(3) 939-957.
  • Kegel, G. (1976). A resolution monitor for neutron time-of-flight spectrometers. Nuclear Instruments and Methods, 135(1) 53-56.
  • Barnes, B.K., Beghian, L.E., Kegel, G., Mathur, S.C., Quinn, P. (1973). Charged particle induced X-ray analysis: A new tool in forensic science. Journal of Radioanalytical Chemistry, 15(1) 13-25.
  • Barnes, B.K., Beghian, L.E., Kegel, G., Mathur, S.C., Quinn, P. (1973). Detection of firearm discharge residues by X-ray excitation. Journal of Radioanalytical Chemistry, 16(2) 453-459.
  • Kegel, G. (1972). Diffusion of lithium into germanium at low temperatures. Nuclear Instruments and Methods, 105(2) 381-382.
  • Kegel, G., Bhardwaj, B.D., Laramee, R.J. (1971). Precipitation of lithium in germanium. Journal of Solid State Chemistry, 3(2) 161-171.