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Measurement of the Tensor Analyzing Power T20 in the Fragmentation of 9 GeV Tensor Polarized Deuterons into Cumulative Pions

  • L. Zolin
  • S. Afanasiev
  • V. Arkhipov
  • V. Bondarev
  • G. Filipov
  • M. Ehara
  • S. Fukui
  • S. Hasegawa
  • T. Hasegawa
  • N. Horikawa
  • A. Isupov
  • T. Iwata
  • V. Kashirin
  • M. Kawano
  • T. Kageya
  • A. Khrenov
  • V. Kolesnikov
  • V. Ladygin
  • A. Litvinenko
  • A. Malakhov
  • T. Matsuda
  • H. Nakayama
  • A. Nikiforov
  • E. Osada
  • Yu. Pilipenko
  • S. Reznikov
  • P. Rukoyatkin
  • A. Semenov
  • I. Semenova
  • N. Takabayashi
  • A. Wakai
Conference paper
Part of the Few-Body Systems book series (FEWBODY, volume 10)

Abstract

Tensor analyzing power T 20 of the reaction d A → π(0°)X was measured in the fragmentation of 9 GeV deuterons into pions with momenta from 3.5 to 5.3 GeV/c on hydrogen, beryllium and carbon targets. This momentum range corresponds to the region of cumulative production with the cumulative variable x c from 1.08 to 1.76. The values of T 20 were found to be small and consistent with positive values in contradiction with the predictions based on a direct mechanism assuming N N collision between a high momentum nucleon in the deuteron and a target nucleon (N NN N π).

Keywords

Direct Mechanism Impulse Approximation Short Range Correlation Carbon Target Deuteron Wave Function 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag/Wien 1999

Authors and Affiliations

  • L. Zolin
    • 1
  • S. Afanasiev
    • 1
  • V. Arkhipov
    • 1
  • V. Bondarev
    • 1
    • 2
  • G. Filipov
    • 1
    • 3
  • M. Ehara
    • 4
  • S. Fukui
    • 4
  • S. Hasegawa
    • 4
  • T. Hasegawa
    • 5
  • N. Horikawa
    • 4
  • A. Isupov
    • 1
  • T. Iwata
    • 4
  • V. Kashirin
    • 1
  • M. Kawano
    • 5
  • T. Kageya
    • 4
  • A. Khrenov
    • 1
  • V. Kolesnikov
    • 1
  • V. Ladygin
    • 1
  • A. Litvinenko
    • 1
  • A. Malakhov
    • 1
  • T. Matsuda
    • 5
  • H. Nakayama
    • 4
  • A. Nikiforov
    • 1
  • E. Osada
    • 5
  • Yu. Pilipenko
    • 1
  • S. Reznikov
    • 1
  • P. Rukoyatkin
    • 1
  • A. Semenov
    • 1
  • I. Semenova
    • 1
  • N. Takabayashi
    • 4
  • A. Wakai
    • 4
  1. 1.JINRDubnaRussia
  2. 2.St.Petersburg State UniversitySt.PetersburgRussia
  3. 3.INPNESofiaBulgaria
  4. 4.Nagoya UniversityNagoyaJapan
  5. 5.Miyazaki UniversityMiyazakiJapan

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