John F. Krizmanic, Ph.D.

Associate Research Scientist

Universities Space Research Association (USRA)
High Energy Cosmic Ray Group
Gamma Ray and Cosmic Ray Astrophysics Branch
Laboratory for High Energy Astrophysics
NASA/Goddard Space Flight Center


Visiting Associate Research Scientist

Department of Physics and Astronomy
The Johns Hopkins University

Areas of Research

Astroparticle physics. Current research includes measuring atmospheric cosmic ray induced muon and meson production and the antimatter and light isotope components of cosmic rays using balloon-borne experiments. Investigating the interactions of ultrahigh energy (E > 10^20 eV) particles in the atmosphere of the earth. Also involved in the research and development of novel detectors (particularly semiconductor) and related VLSI electronics for gamma ray astronomy and charged particle spectroscopy.

Education

1989 PhD The Johns Hopkins University
1986 MA The Johns Hopkins University
1983 BA Northwestern University

Previous Positions

1995-1997 NAS/NRC Senior Research Associate NASA/GSFC Code 661
1994-1995 NAS/NRC Research Associate NASA/GSFC Code 661
1990-1994 Associate Research Scientist The Johns Hopkins University
1989-1990 Postdoctoral Fellow The Johns Hopkins University
1986-1989 Research Assistant The Johns Hopkins University
1983-1986 Teaching Assistant The Johns Hopkins University
1980-1983 Research Assistant Northwestern University

Professional Society Memberships

American Physical Society

Scientific Investigations

Burst Arc Second Imager (BASIS)
Positron Electron Magnet Spectrometer (POEMS)
Isotope Matter Antimatter Experiment (IMAX)
The Isotope Magnet Experiment (ISOMAX)
Orbiting Wide-angle Light collectors (OWL)
the Gamma-ray Large Area Space Telescope (GLAST)

Awards

1996 NASA Group Achievement Award for Cadmium Zinc Telluride Microstrip Detector Development
1994 Director's Discretionary Fund Award
1994 NAS/NRC Research Award

Invited Lectures

1998 "Orbiting Wide-angle Light Collectors (OWL): An Earth Orbiting Experiment to Study E > 10^20 eV Particles by Observing Giant Airshowers from Space", Physics and Astronomy Department Colloquium, University of Oklahoma, Norman, Oklahoma

1997 "GLAST: the Gamma-ray Large Area Space Telescope", VERTEX `97, The 6th International Workshop on Vertex Detectors, Mangaratiba, Rio De Janeiro, Brazil

1993 "The Depletion Properties of Silicon Microstrip Detectors with Variable Strip Pitch", International Symposium on Development and Application of Semiconductor Tracking Detectors, Hiroshima, Japan

Publications in Refereed Journals


  1. "XA Readout Chip Characteristics and CdZnTe Spectral Measurements" L.M. Barbier, F. Birsa, J. Odom, S.D. Barthelmy, N. Gehrels, J.F. Krizmanic, D. Palmer, A.M. Parsons, C.M. Stahle, J. Tueller, 1999, IEEE Trans. Nucl. Science, 46, No. 1, 7

  2. "GLAST: the Gamma-ray Large Area Space Telescope" J.F. Krizmanic, 1998, NIM A418, 162

  3. "CZT Strip Detectors for Imaging and Spectroscopy: Collimated Beam and ASIC Readout Experiments", P. Kurczynski, J.F. Krizmanic, C.M. Stahle, A. Parsons, D.M. Palmer, L.M. Barbier, L.M. Bartlett, S.D. Barthelmy, F. Birsa, N. Gehrels, J. Odom, C. Hanchak, P. Shu, B.J. Teegarden, J. Tueller, 1997, IEEE Trans. Nucl. Sci. 44, No. 3, 1011

  4. "Performance of CAMAC TDC and ADC in Magnetic Field", S.K. Gupta, L.M. Barbier, E.R. Christian, S. Geier, J.F. Krizmanic, J.W. Mitchell, R.E. Streitmatter, P.J. Wasilewski, 1997, NIM A400, 428

  5. "CdZnTe Detectors for gamma-ray Burst ArcSecond Imaging and Spectroscopy (BASIS)", C.M. Stahle, D.M. Palmer, L.M. Bartlett, A. Parsons, Zhiqing Shi, C.M. Lisse, C. Sappington, N. Cao, P. Shu, N. Gehrels, B.J. Teegarden, F. Birsa, S. Singh, J. Odom, C. Hanchak, J. Tueller, S.D. Barthelmy, J.F. Krizmanic, L.M. Barbier, 1996, NIM A380, 486

  6. "Measurement of 0.2 - 3.2 GeV Antiprotons in the Cosmic Radiation", J.W. Mitchell, L.M. Barbier, E.R. Christian, J.F. Krizmanic, K.E. Krombel, J.F. Ormes, R.E. Streitmatter, A.W. Labrador, A. Davis, R.A. Mewaldt, S.M. Schindler, R.L. Golden, S.J. Stochaj, W.R. Webber, W. Menn, M. Hof, O. Reimer, M. Simon, I.L. Rasmussen, 1996, Physical Review Letters, 76, 3057

  7. "A 1060 nm Diode Laser System for Dynamically Probing Silicon Detectors", J.F. Krizmanic, J. Spangler, D. Newman, J. Orndorff, 1996, NIM A374, 315

  8. "Spacial Resolution of Wedge Shaped Silicon Microstrip Detectors", T. Anticic, B. Barnett, B. Blumenfeld, C.Y. Chien, P. Fisher, A. Gougas, J.F. Krizmanic, L. Madansky, D. Newman, J. Orndorff, A. Pevsner, J. Spangler, 1995, NIM A365, 70

  9. "The Depletion Properties of Silicon Microstrip Detectors with Variable Strip Pitch", J.F. Krizmanic, 1994, NIM A342, 27

  10. "A Search for Muon Neutrino Oscillations Muon Neutrino (Antineutrino) -> Electron Neutrino (Antineutrino) in a Wide Band Neutrino Beam", L. Borodovsky, C. Chi, N. Kondakis, W. Lee, B. Rubin, R. Seto, C. Stoughton, G. Tzanakos, B. Blumenfeld, L. Chichura, J. Krizmanic, E. Lincke, L. Lueking, W. Lyle, A. Pevsner, W. P. Hogan, E. O'Brien, K. Reardon, P. D. Sheldon, G. W. Sullivan, 1992, Physical Review Letters, 68, 274

  11. "Search for Lepton Flavor Violation in Z0 Decays", the L3 Collaboration, 1991, Phys. Lett. B271, 453

  12. "Measurement of the Strong Coupling Constant Alpha_s for Bottom Quarks at the Z0 Resonance", the L3 Collaboration, 1991, Phys. Lett. B271, 461

  13. "Measurement of the Lifetime of B-Hadrons and a Determination of |V_(cb)|", the L3 Collaboration, 1991, Phys. Lett. B270, 111

  14. "Decay Properties of Tau Leptons Measured at the Z0 Resonance", the L3 Collaboration, 1991, Phys. Lett. B265, 451

  15. "A Test of QCD based on 3-Jet Events from Z0 Decays", the L3 Collaboration, 1991, Phys. Lett. B263, 551

  16. "Search for Narrow High-Mass Resonances in Radiative Decays of the Z0", the L3 Collaboration, 1991, Phys. Lett. B262, 155

  17. "Search for Leptoquarks in Z0 Decays", the L3 Collaboration, 1991, Phys. Lett. B261, 169

  18. "Measurements of Z0 -> b-bbar Decays and the Semileptonic Branching Ratio Br(b -> l + X)", the L3 Collaboration, 1991, Phys. Lett. B261, 177

  19. "Measurement of Electroweak Parameters from Hadronic and Leptonic Decays of the Z0", the L3 Collaboration, 1991, Z. Phys. C51, 179

  20. "Measurement of the Inclusive Production of Neutral Pions and Charged Particles on the Z0 Resonance", the L3 Collaboration, 1991, Phys. Lett. B259, 199

  21. "Determination of Alpha_s from energy-energy correlations measured on the Z0 resonance", the L3 Collaboration, 1991, Phys. Lett. B257, 469

  22. "Search for the neutral Higgs", the L3 Collaboration, 1991, Phys. Lett. B257, 450

  23. "A Large System of Flash ADC's for a Neutrino Detector", M. Atiya, C.Y. Chi, H. Cunitz, N. Kondakis, W. Lee, B. Rubin, R. Seto, W. Sippach, C. Stoughton, G. Tzanakos, E. O'Brien, T. O'Halloran, K. Reardon, S. Salman, B. Blumenfeld, L. Chichura, C.Y. Chien, J. Krizmanic, E. Lincke, W. Lyle, L. Lueking, L. Madansky, A. Pevsner 1991, NIM A300, 542

  24. "Measurement of the Z0 -> b-bbar Forward-Backward Asymmetry", the L3 Collaboration, 1990, Phys. Lett. B252, 713

  25. "A Measurement of B0-B0bar Mixing in Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B252, 703

  26. "Search for Excited Neutrino's from Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B252, 525

  27. "Search for a Low Mass Neutral Higgs Boson in Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B252, 518

  28. "Search for the Charged Higgs Boson in Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B252, 511

  29. "Search for the Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model From Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B251, 311

  30. "A Search for Heavy Charged and Neutral Leptons from Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B251, 321

  31. "A Determination of Electroweak Parameters from Z0 Decays into Charged Leptons", the L3 Collaboration, 1990, Phys. Lett. B250, 183

  32. "Search for Excited Taus from Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B250, 205

  33. "Test of QED in e+ e- -> gamma gamma at LEP", the L3 Collaboration, 1990, Phys. Lett. B250, 199

  34. "A Test of QCD based on 4-Jet Events from Z0 Decays", the L3 Collaboration, 1990, Phys. Lett. B248, 227

  35. "A Precision Measurement of the Number of Neutrino Species", the L3 Collaboration, 1990, Phys. Lett. B249, 341

  36. "Determination of Alpha_s from Jet Multiplicities Measured on the Z0 Resonance", the L3 Collaboration, 1990, Phys. Lett. B248, 464

  37. "Search for Neutral Higgs Boson in Z0 Decay", the L3 Collaboration, 1990, Phys. Lett. B248, 203

  38. "A Determination of Electroweak Parameters from Z0 -> mu+ mu- (gamma)", the L3 Collaboration, 1990, Phys. Lett. B247, 473

  39. "Mass Limits for Excited Electrons and Muons from Z0 Decay", the L3 Collaboration, 1990, Phys. Lett. B247, 177

  40. "Segmented Ionization Chambers for High Intensity Beam Measurement", C.Y. Chi, N. Kondakis, W. Lee, B. Rubin, R. Seto, C. Stoughton, G. Tzanakos, W.P. Hogan, E. O'Brien, T. O'Halloran, K. Reardon, S. Salman, P.D. Sheldon, G.W. Sullivan, B. Blumenfeld, L. Chichura, C.Y. Chien, J. Krizmanic, E. Lincke, W. Lyle, L. Lueking, L. Madansky, A. Pevsner, 1989, NIM A281, 448

  41. "Search for Muon Neutrino -> Electron Neutrino Oscillations", B. Blumenfeld, C.Y. Chi, L. Chichura, C.Y. Chien, W.P. Hogan, N. Kondakis, J. Krizmanic, W. Lee, E. Lincke, W. Lyle, L. Lueking, L. Madansky, E. O'Brien, T. O'Halloran, A. Pevsner, B. Rubin, K. Reardon, S. Salman, R. Seto, P.D. Sheldon, C. Stoughton, G.W. Sullivan, G. Tzanakos, 1989, Physical Review Letters, 62, 2237

Other Significant Publications


  1. "Measurement of the Cosmic Ray Induced Muon FLux through the Atmosphere using IMAX" J.F. Krizmanic, A.J. Davis, L.M. Barbier, E.R. Christian, R.L. Golden, M. Hof, K.E. Krombel, A.W. Labrador, R.A. Mewaldt, J.W. Mitchell, J.F. Ormes, I.L. Rasmussen, O. Reimer, S.M. Schindler, M. Simon, S.J. Stochaj, R.E. Streitmatter, W.R. Webber, 1999, 26th ICRC (Salt Lake City), 2-56

  2. "Performance of the Orbiting Wide-angle Light Collector (OWL/AirWatch) Experiment via Monte Carlo Simulation" J.F. Krizmanic, for the OWL/AirWatch collaboration, 1999, 26th ICRC (Salt Lake City), 2-388

  3. The Proceedings of the Workshop on Observing Giant Cosmic Ray Airshowers from > 10^20 eV Particles from Space, J.F. Krizmanic, J.F. Ormes, and R.E. Streitmatter editors, 1998, AIP Conference Proceedings 433

  4. "Orbiting Wide-angle Light collectors (OWL): A Pair of Earth Orbiting "Eyes" to Study Air Showers Initiated by > 10^20 eV Particles", J.F. Ormes, L.M. Barbier, K. Boyce, E. Christian, J.F. Krizmanic, J.W. Mitchell, F. Stecker, D.E. Stilwell, R.E. Streitmatter, R.A. Chipman, J. Dimmock, L.W. Hillman, D.J. Lamb, Y. Takahashi, M.J. Christl, T. Parnell, E.C. Loh, P. Sokolsky, P. Sommers 1997 25th ICRC (Durban), 5-273

  5. "Measurement of the Cosmic Ray Induced Muon Flux through the Atmosphere using IMAX", J.F. Krizmanic, A.J. Davis, L.M. Barbier, E.R. Christian, R.L. Golden, M. Hof, K.E. Krombel, A.W. Labrador, R.A. Mewaldt, J.W. Mitchell, J.F. Ormes, I.L. Rasmussen, O. Reimer, S.M. Schindler, M. Simon, S.J. Stochaj, R.E. Streitmatter, W.R. Webber, 1995, 24th ICRC (Rome), 1-593

  6. The Proceedings of the 1992 Prairie View Summer Academy, J.F. Krizmanic and J. Lindesay editors, 1994, AIP Conference Proceedings 291

  7. "A Search for Muon Neutrino -> Electron Neutrino and Muon Antineutrino -> Electron Antineutrino Oscillations in the AGS Wide Band Beam", B. Blumenfeld, L. Chichura, J. Krizmanic, E. Lincke, W. Lyle, L. Lueking, L. Madansky, A. Pevsner, 1990, contributed to Neutrino 90, Geneva, Switzerland and JHU HEP 1289-1

  8. "A Search for the Oscillation of Muon Antineutrinos -> Electron Antineutrinos using the AGS Wideband Beam", J.F. Krizmanic, 1989, RX-1272 (Johns Hopkins University), Ph. D. Thesis

  9. "Search for Neutrino Oscillation at the AGS with the Narrow Band Beam", C. Chi, N. Kondakis, W. Lee, B. Rubin, R. Seto, C. Stoughton, G. Tzanakos, E. O'Brien, T. O'Halloran, K. Reardon, S. Salman, B. Blumenfeld, L. Chichura, C.Y. Chien, J. Krizmanic, E. Lincke, W. Lyle, L. Lueking, L. Madansky, A. Pevsner, 1987, Proceedings of the BNL Neutrino Workshop, BNL Report No. 52079

  10. "Neutrino Flux Calculations for the AGS Narrow Band Beam", C. Chi, et al., 1987, Proceedings of the BNL Neutrino Workshop

This document maintained by John Krizmanic (jfk@cosmicra.gsfc.nasa.gov).


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