Elemental Spectra from the CREAM-I Flight

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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, Antarc...

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Autores principales: 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., Ganel, O., Han, J.H., Jeon, J.A., Kim, K.C., Lee, J.K., Lee, M.H., Lutz, L., Maestro, P., Malinin, A., Marrocchesi, P.S., Minnick, S.A., Mognet, S.I., Nam, S.W., Nutter, S.L., Park, I.H., Park, N.H., Seo, E.S., Sina, R., Swordy, S., Wakely, S., Swordy, S.P., Wakely, S.P., Wu, J., Yang, J., Yoon, Y.S., Zei, R., Zinn, S.Y.
Lenguaje:eng
Publicado: 2010
Materias:
Astrophysics and Astronomy
Acceso en línea:http://cds.cern.ch/record/1255645
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author 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.
Ganel, O.
Han, J.H.
Jeon, J.A.
Kim, K.C.
Lee, J.K.
Lee, M.H.
Lutz, L.
Maestro, P.
Malinin, A.
Marrocchesi, P.S.
Minnick, S.A.
Mognet, S.I.
Nam, S.W.
Nutter, S.L.
Park, I.H.
Park, N.H.
Seo, E.S.
Sina, R.
Swordy, S.
Wakely, S.
Swordy, S.P.
Wakely, S.P.
Wu, J.
Yang, J.
Yoon, Y.S.
Zei, R.
Zinn, S.Y.
author_facet 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.
Ganel, O.
Han, J.H.
Jeon, J.A.
Kim, K.C.
Lee, J.K.
Lee, M.H.
Lutz, L.
Maestro, P.
Malinin, A.
Marrocchesi, P.S.
Minnick, S.A.
Mognet, S.I.
Nam, S.W.
Nutter, S.L.
Park, I.H.
Park, N.H.
Seo, E.S.
Sina, R.
Swordy, S.
Wakely, S.
Swordy, S.P.
Wakely, S.P.
Wu, J.
Yang, J.
Yoon, Y.S.
Zei, R.
Zinn, S.Y.
author_sort Ahn, H.S.
collection CERN
description 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. CREAM-I achieves a substantial measurement redundancy by employing multiple detector systems, namely a Timing Charge Detector and a Silicon Charge Detector (SCD) for particle identification, and a Transition Radiation Detector and a sampling tungsten/scintillating-fiber ionization calorimeter (CAL) for energy measurement. In this paper, preliminary energy spectra of various elements measured with CAL/SCD during the first 42-day flight are presented.
id cern-1255645
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2010
record_format invenio
spelling cern-12556452021-05-03T20:09:42Zhttp://cds.cern.ch/record/1255645engAhn, 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.Ganel, O.Han, J.H.Jeon, J.A.Kim, K.C.Lee, J.K.Lee, M.H.Lutz, L.Maestro, P.Malinin, A.Marrocchesi, P.S.Minnick, S.A.Mognet, S.I.Nam, S.W.Nutter, S.L.Park, I.H.Park, N.H.Seo, E.S.Sina, R.Swordy, S.Wakely, S.Swordy, S.P.Wakely, S.P.Wu, J.Yang, J.Yoon, Y.S.Zei, R.Zinn, S.Y.Elemental Spectra from the CREAM-I FlightAstrophysics and AstronomyThe 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. CREAM-I achieves a substantial measurement redundancy by employing multiple detector systems, namely a Timing Charge Detector and a Silicon Charge Detector (SCD) for particle identification, and a Transition Radiation Detector and a sampling tungsten/scintillating-fiber ionization calorimeter (CAL) for energy measurement. In this paper, preliminary energy spectra of various elements measured with CAL/SCD during the first 42-day flight are presented.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. CREAM-I achieves a substantial measurement redundancy by employing multiple detector systems, namely a Timing Charge Detector and a Silicon Charge Detector (SCD) for particle identification, and a Transition Radiation Detector and a sampling tungsten/scintillating-fiber ionization calorimeter (CAL) for energy measurement. In this paper, preliminary energy spectra of various elements measured with CAL/SCD during the first 42-day flight are presented.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. The Cosmic Ray Energetics and Mass (CREAM) instrument surmounts this problem by measuring the peak voltage of the PMT pulse within ~3ns of a threshold crossing in the readout of a timing charge detector (TCD). The design and performance of the TCD is presented. A charge resolution of 0.2e for oxygen and 0.4e for iron is obtained for through-going cosmic-ray particles.arXiv:1003.4983oai:cds.cern.ch:12556452010-03-26
spellingShingle Astrophysics and Astronomy
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.
Ganel, O.
Han, J.H.
Jeon, J.A.
Kim, K.C.
Lee, J.K.
Lee, M.H.
Lutz, L.
Maestro, P.
Malinin, A.
Marrocchesi, P.S.
Minnick, S.A.
Mognet, S.I.
Nam, S.W.
Nutter, S.L.
Park, I.H.
Park, N.H.
Seo, E.S.
Sina, R.
Swordy, S.
Wakely, S.
Swordy, S.P.
Wakely, S.P.
Wu, J.
Yang, J.
Yoon, Y.S.
Zei, R.
Zinn, S.Y.
Elemental Spectra from the CREAM-I Flight
title Elemental Spectra from the CREAM-I Flight
title_full Elemental Spectra from the CREAM-I Flight
title_fullStr Elemental Spectra from the CREAM-I Flight
title_full_unstemmed Elemental Spectra from the CREAM-I Flight
title_short Elemental Spectra from the CREAM-I Flight
title_sort elemental spectra from the cream-i flight
topic Astrophysics and Astronomy
url http://cds.cern.ch/record/1255645
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