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1.
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The Cosmic Ray Energetics and Mass (CREAM) timing charge detector
/ Ahn, H S ; Allison, P S ; Bagliesi, M G ; Beatty, J J ; Bigongiari, G ; Boyle, P ; Childers, J T ; Conklin, N B ; Coutu, S ; DuVernois, M A et al.
The use of detectors based on plastic scintillator with photomultiplier tubes (PMTs) is common in cosmic-ray experiments to differentiate particle charges. However, in the presence of a calorimeter, the standard method of pulse charge integration over a time longer than a PMT pulse is hampered by abundant albedo particles. [...]
2009 - 12 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 602 (2009) 525-536
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2.
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The CREAM-III Calorimeter
/ Malinin, A (Maryland U.) ; Lee, M H (Maryland U.) ; Ahn, H S (Maryland U.) ; Ganel, O (Maryland U.) ; Han, J H (Maryland U.) ; Jeon, J A (Ewha Women's U., Seoul) ; Kim, C H (Maryland U.) ; Kim, K C (Maryland U.) ; Lutz, L (Maryland U.) ; Nam, S (Ewha Women's U., Seoul) et al.
After successful recovery of the first CREAM (Cosmic Ray Energetics And Mass) instrument during the 2004\/5 Antarctic campaign, the calorimeter was refurbished for the third launch, planned for December 2007. In this CREAM-III calorimeter, the optics were replaced with multi-clad fiber ribbons to enhance the light signal. [...]
2007 - 4 p.
- Published in : : 2 (2008) , pp. 409-412
Fulltext: PDF; External link: INDICO
In : 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.409-412
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3.
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Elemental Spectra from the CREAM-I Flight
/ Ahn, Hoseok ; Allison, P S ; Bagliesi, M G ; Beatty, J J ; Bigongiari, G ; Boyle, P J ; Childers, J T ; Conklin, N B ; Coutu, S ; Duvernois, M A et al.
The Cosmic Ray Energetics And Mass (CREAM) instrument is a balloon-borne experiment designed to measure the composition and energy spectra of cosmic rays of charge Z = 1 to 26 up to an energy of ∼1015 eV. CREAM had two successful flights on long-duration balloons (LDB) launched from McMurdo Station, Antarctica, in December 2004 and December 2005. [...]
2007 - 4 p.
- Published in : : 2, pp. 63-66
Fulltext: PDF; External link: INDICO
In : 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.63-66
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4.
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Measurements of High-Energy Heavy Nuclei with the CREAM-I TRD
/ 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.) et al.
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). [...]
2007 - 4 p.
- Published in : : 2, pp. 187-190
Fulltext: PDF; External link: INDICO
In : 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.187-190
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5.
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Elemental Spectra from the CREAM-I Flight
/ Ahn, H.S. (Maryland U.) ; Allison, P.S. (Ohio State U.) ; Bagliesi, M.G. (Siena U. ; INFN, Siena) ; Beatty, J.J. ; Bigongiari, G. (Siena U. ; INFN, Siena) ; Boyle, P. ; Childers, J.T. ; Conklin, N.B. ; Coutu, S. ; DuVernois, M.A. (Minnesota U.) et al.
The Cosmic Ray Energetics And Mass (CREAM) is a balloon-borne experiment designed to measure the composition and energy spectra of cosmic rays of charge Z = 1 to 26 up to an energy of ~ 10^15 eV. CREAM had two successful flights on long-duration balloons (LDB) launched from Mc- Murdo Station, Antarctica, in December 2004 and December 2005. [...]
arXiv:1003.4983.-
2010 - 12 p.
- Published in : : 2, pp. 33-36
External link: Preprint
In : 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.33-36
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6.
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Performance of the CREAM calorimeter in accelerator beam test
/ Yoon, Y.S. ; Ahn, H.S. ; Bagliesi, M.G. ; Bigongiari, G. ; Ganel, O. ; Han, J.H. ; Hyun, H.J. ; Jeon, J.A. ; Kang, T.G. ; Kim, H.J. et al.
The CREAM calorimeter, designed to measure the spectra of cosmic-ray nuclei from under 1 TeV to 1000 TeV, is a 20 radiation length (X0) deep sampling calorimeter. The calorimeter is comprised of 20 layers of tungsten interleaved with 20 layers of scintillating fiber ribbons, and is preceded by a pair of graphite interaction targets providing about 0.42 proton interaction lengths (\lambda int). [...]
arXiv:1003.4743.-
2005 - 4 p.
- Published in : : 8, pp. 371-374
Preprint: PDF; Published version: PDF; External link: Preprint
In : 29th International Cosmic Ray Conference, Pune, India, 3 - 10 Aug 2005, pp.371 (v.8)
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7.
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Performance of CREAM Calorimeter : Results of Beam Tests
/ Ahn, H S ; Bagliesi, M G ; Beatty, J J ; Bigongiari, G ; Castellina, A ; Childers, J T ; Conklin, N B ; Coutu, S ; Duvernois, M A ; Ganel, O et al.
The Cosmic Ray Energetics And Mass (CREAM), a balloon-borne experiment, is under preparation for a flight in Antarctica at the end of 2004. CREAM is planned to measure the energy spectrum and composition of cosmic rays directly at energies between 1 TeV and 1000 TeV. [...]
2005
- Published in : Nucl. Phys. B, Proc. Suppl. 150 (2005) 272-275
In : 20th International Symposium on Lattice Field Theory, Cambridge, MA, USA, 24 - 29 Jun 2002, pp.272-275
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8.
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Heavy ion beam test results of the silicon charge detector for the CREAM cosmic ray balloon mission
/ Park, I H ; Ahn, H S ; Bok, J B ; Ganel, O ; Hahn, J H ; Han, W ; Hyun, H J ; Kim, H J ; Kim, M Y ; Kim, Y J et al.
The Cosmic Ray Energetics And Mass (CREAM) experiment is designed to measure cosmic ray elemental spectra to help understand the source and acceleration mechanisms of ultra-high-energy cosmic rays. The payload is planned to launch in December 2004 from McMurdo Station, Antarctica as a balloon mission. [...]
2004
- Published in : Nucl. Instrum. Methods Phys. Res., A 535 (2004) 158-161
In : 10th International Vienna Conference on Instrumentation, Vienna, Austria, 16 - 21 Feb 2004, pp.158-161
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