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July 29, 2015 to August 6, 2015
World Forum
Europe/Amsterdam timezone

Anisotropy search in the Ultra High Energy Cosmic Ray Spectrum in the Northern Hemisphere using the Telescope Array surface detector

Jul 30, 2015, 3:30 PM
1h
Amazon Foyer (World Forum)

Amazon Foyer

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Board: 233
Poster contribution CR-EX Poster 1 CR

Speaker

Dr Toshiyuki Nonaka (Institute for Cosmic Ray Research, University of Tokyo)

Description

The Telescope Array (TA) experiment is located in the western desert of Utah, USA and observes ultra high energy cosmic rays in the northern hemisphere. In the highest part of the energy region, the cosmic ray energy spectrum shape carries information of the source density distribution. We search for directional differences in the energy spectrum shape. In this study, observed cosmic ray energy distributions are compared between sky areas that contain nearby objects, such as the super-galactic plane, and others that do not.
Collaboration Telescope Array
Registration number following "ICRC2015-I/" 831

Primary author

Dr Toshiyuki Nonaka (Institute for Cosmic Ray Research, University of Tokyo)

Co-authors

Akimichi Taketa (Earthquake Research Institute University of Tokyo) Benjamin Stokes (University of Utah) Dmitri Ivanov (University of Utah) Eiji Kido (Institute for Cosmic Ray Research, University of Tokyo) Hiroyuki Sagawa (Institute for Cosmic Ray Research , University of Tokyo) Prof. John Matthews (University of Utah) Kazumasa Kawata (Institute for Cosmic Ray Research, University of Tokyo) Masahiro Takeda (Institute for Cosmic Ray Research University of Tokyo) Masaki Fukushima (Institute for Cosmic Ray Research, University of Tokyo) Nobuyuki Sakurai (Nagoya University) Robert Cady (University of Utah) Shigehiro NAGATAKI (Advanced Science Institute, RIKEN) Takeshi Okuda (Department of Physical Sciences, Ritsumeikan University)

Presentation materials