Status and recent results from the cream experiment

E. S. Seo, H. S. Ahn, P. Bhoyar, J. Eaton, O. Ganel, J. H. Han, A. Haque, K. C. Kim, M. H. Kim, M. H. Lee, S. E. Lee, L. Lutz, A. Malinin, O. Ofoha, S. S. Ryu, B. P. Smith, A. Vartanyan, P. Walpole, J. Wu, J. H. YooY. S. Yoon, T. Anderson, N. B. Conklin, S. Coutu, M. Geske, S. I. Mognet, L. Barbier, J. T. Link, J. W. Mitchell, A. Barrau, M. Buénerd, B. Coste, L. Derome, M. Mangin-Brinet, A. Putze, Y. Sallaz-Damaz, R. Bazer-Bachi, J. J. Beatty, T. J. Brandt, G. Bigongiari, P. Maestro, R. Zei, J. A. Jeon, G. Na, J. Nam, S. Nam, I. H. Park, N. H. Park, J. Yang, A. Menchaca-Rocha, S. Nutter

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Cosmic Ray Energetics And Mass (CREAM) balloon-borne experiment has accumulated ∼156 days of exposure during five successful flights over Antarctica. Energy measurements are made with a transition radiation detector and an ionization calorimeter. Charge measurements are made with timing scintillators, pixelated Si, and Cherenkov detectors to minimize the effect of backscattered particles. High energy cosmic-ray data were collected over a wide energy range from ∼ 1010 to ∼ 1015 eV at an average altitude of ∼38.5 km, with ∼3.9 g/cm2 atmospheric overburden. All cosmic-ray elements from protons (Z = 1) to iron nuclei (Z = 26) are separated with excellent charge resolution. The instrument performance, results from the ongoing data analysis, and their implications on cosmic-ray origin, acceleration and propagation are discussed.

Original languageEnglish (US)
Title of host publicationCosmic Rays for Particle and Astroparticle Physics - Proceedings of the 12th ICATPP Conference
PublisherWorld Scientific Publishing Co. Pte Ltd
Pages281-289
Number of pages9
ISBN (Print)9814329029, 9789814329026
DOIs
StatePublished - Jan 1 2011
Event12th International Conference on Advanced Technology and Particle Physics, ICATPP 2010 - Como, Italy
Duration: Oct 7 2010Oct 8 2010

Publication series

NameCosmic Rays for Particle and Astroparticle Physics - Proceedings of the 12th ICATPP Conference

Other

Other12th International Conference on Advanced Technology and Particle Physics, ICATPP 2010
CountryItaly
CityComo
Period10/7/1010/8/10

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Nuclear and High Energy Physics

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    Seo, E. S., Ahn, H. S., Bhoyar, P., Eaton, J., Ganel, O., Han, J. H., Haque, A., Kim, K. C., Kim, M. H., Lee, M. H., Lee, S. E., Lutz, L., Malinin, A., Ofoha, O., Ryu, S. S., Smith, B. P., Vartanyan, A., Walpole, P., Wu, J., ... Nutter, S. (2011). Status and recent results from the cream experiment. In Cosmic Rays for Particle and Astroparticle Physics - Proceedings of the 12th ICATPP Conference (pp. 281-289). (Cosmic Rays for Particle and Astroparticle Physics - Proceedings of the 12th ICATPP Conference). World Scientific Publishing Co. Pte Ltd. https://doi.org/10.1142/9789814329033_0035