Cutoff in the TeV Energy Spectrum of Markarian 421 during Strong Flares in 2001

Author affiliations

¹ Department of Physics and Astronomy, Iowa State University, Ames, IA 50011

² Fred Lawrence Whipple Observatory, Harvard-Smithsonian Center for Astrophysics, P.O. Box 97, Amado, AZ 85645

³ Department of Physics, University of Leeds, Leeds, LS2 9JT Yorkshire, England, UK

⁴ Department of Physics, Washington University, St. Louis, MO 63130

⁵ Department of Physics, Purdue University, West Lafayette, IN 47907

⁶ Physics Department, National University of Ireland, Belfield, Dublin 4, Ireland

⁷ Department of Physics, Kansas State University, 116 Cardwell Hall, Manhattan, KS 66506

⁸ Department of Physics, University of Arizona, Tucson, AZ 85721

⁹ Physics Department, National University of Ireland, Galway, Ireland

¹⁰ Physics Department, De Pauw University, Greencastle, IN 46135

¹¹ High Energy Astrophysics Institute, University of Utah, Salt Lake City, UT 84112

¹² School of Science, Galway-Mayo Institute of Technology, Galway, Ireland

¹³ Enrico Fermi Institute, University of Chicago, Chicago, IL 60637

¹⁴ Department of Physics, University of California at Los Angeles, Los Angeles, CA 90095

¹⁵ Department of Physics, Cork Institute of Technology, Cork, Ireland