CREAM for high energy composition measurements

Ground-based indirect measurements have shown that the cosmic-ray allparticle spectrum extends many orders of magnitude beyond the energy thought possible for supernova acceleration. Our balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment is capable of extending direct measurements of co...

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Bibliographic Details
Main Authors: Seo, E S, Ahn, H S, Allison, P S, Beatty, J J, Choi, M J, Conklin, N B, Coutu, S, DuVernois, M A, Ganel, O, Kim, K C, Lee, M H, Liu, L, Lutz, L, Maestro, P, Marrocchesi, P S, Minnick, S A, Min, K W, Mognet, S I, Nutter, S, Park, H, Schindhelm, E, Song, C, Swordy, S, Wu, J, Yang, J
Language:English
Published: 2003
Subjects:
Astrophysics and Astronomy
Detectors and Experimental Techniques
Antarc*
Antarctica
Online Access:http://cds.cern.ch/record/2624405
Description
Summary:Ground-based indirect measurements have shown that the cosmic-ray allparticle spectrum extends many orders of magnitude beyond the energy thought possible for supernova acceleration. Our balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment is capable of extending direct measurements of cosmic-rays to the supernova energy scale of 1015 eV in a series of Ultra Long Duration Balloon (ULDB) flights. Identification of Z = 1 - 26 particles will be made with a timing-based charge detector and a pixelated silicon charge detector. Energy measurements will be made with a transition radiation detector and a tungsten/scintillating fiber calorimeter. The instrument has been tested with various particles in accelerated beams at the CERN SPS. The first flight is planned to be launched from Antarctica in December 2004.

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