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Kohta Murase

Kohta Murase

Main Content

  • Assistant Professor of Physics and Astronomy & Astrophysics
  • Adjunct Associate Professor of Yukawa Institute for Theoretical Physics
321B Osmond Lab
University Park, PA 16802
Email: murase [ AT ] psu [ DOT ] edu
Phone: (814) 863-9594


  1. Kyoto University (Ph.D, Physics), 2010
  2. Kyoto University (M.S., Physics), 2007
  3. The University of Tokyo (B.S., Physics), 2005

Honors and Awards

  • 2017 Alfred P. Sloan Research Fellowship, 2017-
  • 2015 Incentive Award of Cosmic Ray Physics from CRC Japan, 2016
  • 2015 Young Scientist Award of the Physical Society of Japan, 2016
  • 2014 Young Scientist Award of the Astronomical Society of Japan, 2015
  • 2012 Hubble Fellowship, 2012-2014 (Member of Institute for Advanced Study, 2012-2015)
  • CCAPP Senior Fellow, 2012
  • JSPS Postdoctoral Fellow for Research Abroad, 2010-2012
  • JSPS Doctoral Fellow, 2007-2010

Selected Publications

Full list of publications on INSPIRE-HEP; List of theory publications on ADS; Collaboration papers

  1. K. Murase and E. Waxman, "Constraining high-energy cosmic neutrino sources: Implications and prospects", Phys. Rev. D, 94, 103006 (2016).
  2. K. Murase, D. Guetta, and M. Ahlers, "Hidden Cosmic-Ray Accelerators as an Origin of TeV-PeV Cosmic Neutrinos", Phys. Rev. Lett., 116, 071101 (2016).
    See our press release
  3. K. Murase, R. Laha, S. Ando, and M. Ahlers, "Testing the Dark Matter Scenario for PeV Neutrinos Observed in IceCube", Phys. Rev. Lett., 115, 071301 (2015).
    Selected as an Editorial Suggestion 
  4. M. Bustamante, P. Baerwald, K. Murase, and W. Walter, "Neutrino and cosmic-ray emission from
    multiple internal shocks in gamma-ray bursts", Nature Communications, 6, 6783 (2015).
    See our press release
  5. K. Murase, Y. Inoue, and C. D. Dermer, "Diffuse neutrino intensity from the inner jets of active galactic nuclei: Impacts of external photon fields and the blazar sequence", Phys. Rev. D, 90, 023007 (2014).
  6. K. Murase, M. Ahlers, and B. C. Lacki, "Testing the hadronuclear origin of PeV neutrinos observed with IceCube", Phys. Rev. D Rapid Communications, 88, 121301 (2013).
  7. K. Kashiyama, K. Murase, and P. Meszaros, "Neutron-Proton-Converter Acceleration Mechanism at Subphotospheres of Relativistic Outflows", Phys. Rev. Lett., 111, 131103 (2013).
  8. K. Murase, K. Kashiyama, and P. Meszaros, "Subphotospheric Neutrinos from Gamma-Ray Bursts: The Role of Neutrons", Phys. Rev. Lett., 111, 131102 (2013).
  9. K. Murase and K. Ioka, "TeV-PeV Neutrinos from Low-Power Gamma-Ray Burst Jets inside Stars", Phys. Rev. Lett., 111, 121102 (2013).
  10. K. Murase and J. F. Beacom, "Constraining very heavy dark matter using diffuse backgrounds of neutrinos and cascaded gamma rays", JCAP, 10, 043 (2012).
  11. K. Murase, C. D. Dermer, H. Takami, and G. Migliori, "Blazars as Ultra-high-energy Cosmic-ray Sources: Implications for TeV Gamma-Ray Observations", Astrophys. J, 749, 63 (2012).
  12. K. Murase and J. F. Beacom, "Neutrino background flux from sources of ultrahigh-energy cosmic-ray nuclei", Phys. Rev. D, 81, 123001 (2010).

Research Interests

Particle Astrophysics and Cosmology (neutrinos, gamma rays, cosmic rays, gravitational waves, and dark matter)
High-Energy Astrophysics (multi-messenger study of extreme astrophysical objects)

Research Group Members

Current Postdocs: Foteini Oikonomou
Current Graduate Students: Nicholas Senno (w. Prof. Meszaros)
Current Undergraduate Students: Michael Toomey
Past Postdocs: Ian Shoemaker (South Dakota)