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Gou, Boxing [Author]; Mchedlishvili, D. [Author]; Grigoryev, K. [Author]; Hartmann, M. [Author]; Kacharava, A. [Author]; Khoukaz, A. [Author]; Kulessa, P. [Author]; Kulikov, A. [Author]; Lehrach, A. [Author]; Li, Z. [Author]; Lomidze, N. [Author]; Lorentz, B. [Author]; Bagdasarian, Z. [Author]; Macharashvili, G. [Author]; Merzliakov, S. [Author]; Mielke, M. [Author]; Mikirtychyants, M. [Author]; Mikirtychyants, S. [Author]; Nioradze, M. [Author]; Ohm, H. [Author]; Prasuhn, D. [Author]; Rathmann, F. [Author]; Serdyuk, V. [Author]; Barsov, S. [Author]; [...]

Study of the $p\stackrel{\to }{d}\to n{\left\{pp\right\}}_{s}$ charge-exchange reaction using a polarised deuterium target

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  • Media type: E-Article
  • Title: Study of the $p\stackrel{\to }{d}\to n{\left\{pp\right\}}_{s}$ charge-exchange reaction using a polarised deuterium target
  • Contributor: Gou, Boxing [Author]; Mchedlishvili, D. [Author]; Grigoryev, K. [Author]; Hartmann, M. [Author]; Kacharava, A. [Author]; Khoukaz, A. [Author]; Kulessa, P. [Author]; Kulikov, A. [Author]; Lehrach, A. [Author]; Li, Z. [Author]; Lomidze, N. [Author]; Lorentz, B. [Author]; Bagdasarian, Z. [Author]; Macharashvili, G. [Author]; Merzliakov, S. [Author]; Mielke, M. [Author]; Mikirtychyants, M. [Author]; Mikirtychyants, S. [Author]; Nioradze, M. [Author]; Ohm, H. [Author]; Prasuhn, D. [Author]; Rathmann, F. [Author]; Serdyuk, V. [Author]; Barsov, S. [Author]; [...]
  • Published: North-Holland Publ., 2015
  • Published in: Physics letters / B 741, 305 - 309 (2015). doi:10.1016/j.physletb.2014.12.059
  • Language: English
  • DOI: https://doi.org/10.1016/j.physletb.2014.12.059
  • ISSN: 1873-2445; 0370-2693
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: The vector and tensor analysing powers, AyAy and AyyAyy, of the View the MathML sourcepd→→n{pp}s charge-exchange reaction have been measured at a beam energy of 600 MeV at the COSY-ANKE facility by using an unpolarised proton beam incident on an internal storage cell target filled with polarised deuterium gas. The low energy recoiling protons were measured in a pair of silicon tracking telescopes placed on either side of the target. Putting a cut of 3 MeV on the diproton excitation energy ensured that the two protons were dominantly in the View the MathML sourceS01 state, here denoted by {pp}s{pp}s. The polarisation of the deuterium gas was established through measurements in parallel of proton–deuteron elastic scattering. By analysing events where both protons entered the same telescope, the charge-exchange reaction was measured for momentum transfers q≥160 MeV/cq≥160 MeV/c. These data provide a good continuation of the earlier results at q≤140 MeV/cq≤140 MeV/c obtained with a polarised deuteron beam. They are also consistent with impulse approximation predictions with little sign evident for any modifications due to multiple scatterings. These successful results confirm that the ANKE deuteron charge-exchange programme can be extended to much higher energies with a polarised deuterium target than can be achieved with a polarised deuteron beam.
  • Access State: Open Access