CERN Accelerating science

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Title Measurements of High-Energy Heavy Nuclei with the CREAM-I TRD
Author(s) Wakely, Scott P (Chicago U.) ; Ahn, H S (Maryland U.) ; Allison, P S (Ohio State U.) ; Bagliesi, M G (U. Siena (main) ; INFN, Siena) ; Beatty, J J (Ohio State U.) ; Bigongiari, G (U. Siena (main) ; INFN, Siena) ; Boyle, P J (Chicago U., EFI) ; Brandt, T J (Ohio State U.) ; Childers, J T (Minnesota U.) ; Conklin, N B (Penn State U.) ; Coutu, S (Penn State U.) ; Duvernois, M A (Minnesota U.) ; Ganel, O (Maryland U.) ; Han, J H (Ewha Women's U., Seoul) ; Hyun, H J (Ewha Women's U., Seoul) ; Jeon, J A (Ewha Women's U., Seoul) ; Kim, K C (Maryland U.) ; Lee, J K (Ewha Women's U., Seoul) ; Lee, M H (Maryland U.) ; Lutz, L (Maryland U.) ; Maestro, P (Siena U. ; INFN, Siena) ; Malinin, A (Maryland U.) ; Marrocchesi, P S (Siena U. ; INFN, Siena) ; Minnick, S A (Kent State U.) ; Mognet, S A I (Penn State U.) ; Nam, S (Ewha Women's U., Seoul) ; Nutter, S L (Northern Kentucky U.) ; Park, I H (Ewha Women's U., Seoul) ; Park, N H (Ewha Women's U., Seoul) ; Seo, E S (Maryland U. ; Penn State U.) ; Sina, R (Maryland U.) ; Swordy, S P (Chicago U., EFI ; Chicago U.) ; Wu, J (Maryland U.) ; Yang, J (Ewha Women's U., Seoul) ; Yoon, Y S (Maryland U. ; Penn State U.) ; Zei, R (Siena U. ; INFN, Siena) ; Zinn, S Y (Maryland U.)
Imprint 4 p.
In: 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.187-190
Subject category Astrophysics and Astronomy
Accelerator/Facility, Experiment CREAM
CERN SPS
CERN SPS
Test beam H2
Abstract The balloon-borne cosmic-ray experiment CREAM-I (Cosmic-Ray Energetics And Mass) completed a successful 42-day flight during the 2004-2005 NASA\/NSF\/NSBF Antarctic expedition. CREAM-I combines an imaging calorimeter with charge detectors and a precision transition radiation detector (TRD). The TRD component of CREAM-I is targeted at measuring the energy of cosmic-ray particles with charges greater than Z 3. A central science goal of this effort is the determination of the ratio of secondary to primary nuclei at high energy. This measurement is crucial for the reconstruction of the propagation history of cosmic rays and consequently, for the determination of their source spectra. Initial results from the TRD portion of the science stack will be presented.

Corresponding record in: Inspire


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