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Approaching the spectral knee in high energy cosmic rays with cream

Title
Approaching the spectral knee in high energy cosmic rays with cream
Authors
Seo E.S.Ahn H.S.Allison P.Anderson T.Bagliesi M.G.Barbier L.Barraij A.Bazer-Bachi R.Beatty J.J.Bigongiari G.Bhoyar P.Boyle P.Brandt T.T.Buenerd M.Conklin N.B.Coutu S.Derome L.Duvernois M.A.Ganel O.Geske M.Han J.H.Jeon J.A.Kim K.C.Lee M.H.Link J.Lutz L.Malinin A.Mangin-Brinet M.Marrocchesi P.S.Maestro P.Menchaca-Rocha A.Mitchell J.W.Mognet S.I.Na G.Nam S.Nutter S.Park I.H.Park N.H.Putze A.Sallaz-Damaz Y.Swordy S.Wakely S.Walpole P.Wu J.Yang J.Yoon Y.S.Zei R.Zinn S.Y.
Ewha Authors
양종만박일흥남신우
SCOPUS Author ID
양종만scopus
Issue Date
2009
Journal Title
Journal of the Physical Society of Japan
ISSN
0031-9015JCR Link
Citation
vol. 78, no. SUPPL. A, pp. 63 - 67
Indexed
SCI; SCIE; SCOPUS scopus
Abstract
The balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment flew for the third time in Antarctica between 19 December 2007 and 16 January 2008. This ∼ 29-day flight resulted in an accumulation of almost 100 days of exposure for the CREAM payload. The instrument included double layers of finely segmented Silicon detectors and an imaging Cherenkov Camera for charge measurements. A finely segmented tungsten-scintillator fiber ionization calorimeter was used for energy measurements. Energy spectra of cosmic ray particles for 1 < Z < 26 were measured at the top of atmosphere with excellent charge and energy resolution. CREAM extends direct measurements of cosmic-ray composition to energies where ground-based air shower measurements are possible, thereby providing calibration for those indirect measurements. The instrument performance during the flight and results from the ongoing data analysis are presented. The project status, including preparations for the next flight and results from the beam test carried out at CERN in 2007, are also be reported. © 2009 The Physical Society of Japan.
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자연과학대학 > 물리학전공 > Journal papers
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