The Optical Depth of the Universe Seen through Ultrahigh Energy Cosmic Ray Spectacles

September 26, 2008 (Fri) 15:30~

• Speaker
  Dr. Kumiko Kotera (Institute of Astrophysics of Paris)
• Title
  “The Optical Depth of the Universe Seen through Ultrahigh Energy Cosmic Ray Spectacles”
• Place
  Room 601 (Kashiwa Campus)