Scott Nutter Professor Emeritus of Physics Northern Kentucky University
	Office: Science Center 147 Phone: (859) 572-5369 Email : nutters@nku.edu Mailing address: Dept. of Physics, Geology, and Engineering Technology SC 107 Northern Kentucky University Highland Heights, KY 41076	Antarctica trip blog (2011): http://astroantarctica.blogspot.com January/February 2008 CREAM expedition to the Antarctic (with pictures!) Old Antarctica Blog
Education: Ph.D. in High Energy Physics (minor in Astrophysics), Indiana University; M.S. Indiana University; B.S. University of Georgia. Vita and publication list. Research Interests: Experimental cosmic ray particle astrophysics; instrument design, fabrication, and testing; computer Monte Carlo modeling of instruments, and computer analysis of cosmic ray instrument data. Current experiments:  HELIX SuperTIGER TIGERISS

Selected Recent Publications:

• HELIX balloon experiment: light cosmic-ray isotopes as probes of Galactic propagation K. Sakai et al. Journal of Instrumentation, Volume 21, March 2026. 17th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD25) Citation K. Sakai et al 2026 JINST 21 C03014 DOI 10.1088/1748-0221/21/03/C03014.
• SuperTIGER Galactic Cosmic-Ray Source Abundances for the Charge Interval 16⩽ Z⩽ 56. NE Osborn et al. Advances in Space Research, 77, issue 8, pp. 8337-8347 (15 April 2026). https://www.sciencedirect.com/science/article/pii/S0273117725013213
• The boronated scintillator detector of the ISS-CREAM experiment, Y. Amare et al. Nucl. Inst. and Methods A 943 (2019) 162413.
• Measurement of delayed fluorescence in plastic scintillator from 1 to 10 μs. S. Nutter et al. Nucl. Inst. and Methods A 942 (2019) 162368.
• Gated-Dynode photomultiplier tube assembly for the boronated scintillator detector of the ISS-CREAM experiment, T. Anderson, Y. Chen, S. Coutu, S. Im, T. LaBree, J.T. Link, J. Mitchell, S. Mognet, S. Nutter, K. Wallace, Z. Yin, M. Yu. Nucl. Inst. and Methods A 942 (2019) 162343.
• Secondary Cosmic Rays, S. Nutter. Physics of the Cosmos Newsletter, December 2017 (Invited). https://pcos.gsfc.nasa.gov/newsletters/
• Proton and Helium Spectra from the CREAM-III Flight, Y.S. Yoon et al., Astrophys. J. , 839:5, 2017.
• Cosmic Ray Energetics And Mass for the International Space Station (ISS-CREAM). E.S. Seo, T. Anderson, D. Angelaszek, S.J. Baek, J. Baylon, M. Buénerd, M. Copley, S. Coutu, L. Derome, B. Fields, M. Gupta, J.H. Han, I.J. Howley, H.G. Huh, Y.S. Hwang, H.J. Hyun, I.S. Jeong, D.H. Kah, K.H. Kang, D.Y. Kim, H.J. Kim, K.C. Kim, M.H. Kim, K. Kwashnak, J. Lee, M.H. Lee, J.T. Link, L. Lutz, A. Malinin, A. Menchaca-Rocha, J.W. Mitchell, S. Nutter, O. Ofoha, H. Park, I.H. Park, J.M. Park, P. Patterson, J.R. Smith, J. Wu, Y.S. Yoon . Advances in Space Research (2014) 10.1016/j.asr.2014.01.013.
• Cosmic-Ray Proton and Helium Spectra from the First CREAM Flight. Y. S. Yoon et al. (CREAM1 Collaboration) ApJ 728 122-129, 2011.
• Measurements of the Relative Abundances of High-energy Cosmic-ray Nuclei in the TeV/Nucleon Region. H.S. Ahn et al. (CREAM collaboration), Astrophys. J. , 715, 1400-1407, 2010.
• Discrepant Hardening Observed in Cosmic-ray Elemental Spectra. H.S. Ahn et al. (CREAM Collaboration), Astrophys. J. Lett., 714, 89-93, 2010.
• The Cosmic Ray Energetics and Mass (CREAM) timing charge detector. H.S. Ahn et al. (CREAM Collaboration), Nucl. Inst. & Meth. A 602, 525-536 (2009).
• Measurements of cosmic-ray secondary nuclei at high energies with the first flight of the CREAM balloon-borne experiment. H.S. Ahn et al. (CREAM collaboration), Astroparticle Physics, Vol. 30, Issue 3, pp. 133-141, 2008.
• Preliminary results from the second flight of CREAM. P.S. Marrocchesi et al., Advances in Space Research, Vol. 41, Issue 12, pp. 2002-2009, 2008.
• CREAM: 70 days of flight from 2 launches in Antarctica. E. S. Seo et al., Advances in Space Research, 42, 1656-1663, 2008.
• First measurements of cosmic-ray nuclei at high energy with CREAM. S. Wakely et al., Advances in Space Research, Vol. 42, Issue 3, pp. 403-408, 2008.
• Cosmic-ray energetics and mass (CREAM) balloon project. E.S. Seo, H.S. Ahn, J.J. Beatty, S. Coutu, M.J. Choi, M.A. DuVernois, O. Ganel, T.G. Kang, K.C. Kim, M.H. Lee, L. Lutz, P.S. Marrocchesi, S. Minnick, K.W. Min, S. Nutter, H. Park, I.H. Park, E. Schindhelm, R. Sina, S. Swordy, J. Wu, J. Yang, Advances in Space Research, Volume 33, Issue 10, 1777-1785 (2004).
• New measurement of the cosmic-ray positron fraction from 5 to 15 GeV. J.J.Beatty et al., Phys. Rev. Lett. 93, 241102 (2004).
• New measurement of the altitude dependence of the atmospheric muon intensity J.J. Beatty et al. Phys. Rev. D 70, 092005 (2004).
• The Cosmic Ray Energetics and Mass (CREAM) Experiment Timing Charge Detector. J. J. Beatty et al. (CREAM collaboration), Proceedings of SPIE Vol. 4858: Particle Astrophysics Instrumentation, 4858, 248, 2003
• Cosmic Ray Energetics and Mass (CREAM) Balloon Experiment, Advances in Space Research, 30(5), 1263-1272, 2002.
• Measurement of the cosmic ray antiproton to proton abundance ratio between 4 and 50 GeV  Phys. Rev. Lett. 87 271101 (2001).
• Cosmic ray electrons and positrons from 1-100 GeV: measurements with HEAT and their interpretation. Astrophysical Journal. 559, 296-303 (2001).
• Energy Spectra, Altitude Profiles and Charge Ratios of Atmospheric Muons Phys. Rev. D. 62, 032001  (2000).
• A Measurement of the Isotopic Composition of Cosmic Ray Helium, Lithium, Beryllium, and Boron up to 1700MeV/amu.  Astrophysical Journal. 534, p.757 (2000).
• Cosmic-Ray Positrons: Are there primary sources?  Astroparticle Physics 11, pp. 429-435 (1999).
• The Energy Spectra and Relative Abundances of Electrons and Positrons in the Galactic Cosmic Radiation. Astrophysical Journal vol. 498 n. 2 pp. 779-789 (1998). 
• Cosmic ray reentrant electron albedo: High-Energy Antimatter Telescope balloon measurements from Fort Sumner, New Mexico. Journal of Geophysical Research 103, 4817 (1998). 
• Performance of the High-Energy Antimatter Telescope (HEAT): A Magnet Spectrometer-Based Instrument for the Study of Cosmic Ray Positrons. Nuclear Instruments and Methods in Physics Research A400, 34 (1997). 
• Measurements of the Cosmic-Ray Positron Fraction from 1 to 50 GeV. Astrophysical Journal 482 (1997) L191. 

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Last update August 20, 2026 SLN