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Paschke, K. D. [Author]; Quinn, B. [Author]; Harmsen, J. [Author]; Meier, A. [Author]; Meyer, W. [Author]; Radtke, E. [Author]; Reicherz, G. [Author]; Dutz, H. [Author]; Plückthun, M. [Author]; Schoch, B. [Author]; Dennert, H. [Author]; Eyrich, W. [Author]; Berdoz, A. [Author]; Hauffe, J. [Author]; Metzger, A. [Author]; Moosburger, M. [Author]; Stinzing, F. [Author]; Wirth, St. [Author]; Fischer, H. [Author]; Franz, J. [Author]; Heinsius, F. H. [Author]; Kriegler, E. [Author]; Schmitt, H. [Author]; Franklin, G. B. [Author]; [...]

Experimental determination of the complete spin structure for . GeV/c

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  • Media type: E-Article
  • Title: Experimental determination of the complete spin structure for . GeV/c
  • Contributor: Paschke, K. D. [Author]; Quinn, B. [Author]; Harmsen, J. [Author]; Meier, A. [Author]; Meyer, W. [Author]; Radtke, E. [Author]; Reicherz, G. [Author]; Dutz, H. [Author]; Plückthun, M. [Author]; Schoch, B. [Author]; Dennert, H. [Author]; Eyrich, W. [Author]; Berdoz, A. [Author]; Hauffe, J. [Author]; Metzger, A. [Author]; Moosburger, M. [Author]; Stinzing, F. [Author]; Wirth, St. [Author]; Fischer, H. [Author]; Franz, J. [Author]; Heinsius, F. H. [Author]; Kriegler, E. [Author]; Schmitt, H. [Author]; Franklin, G. B. [Author]; [...]
  • Published: Inst., 2006
  • Published in: Physical review / C 74, 015206 (2006). doi:10.1103/PhysRevC.74.015206
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevC.74.015206
  • ISSN: 0556-2813
  • Keywords: Lambda: pair production ; 1.637 GeV/c ; CERN LEAR ; Lambda: hadronic decay ; anti-p p: annihilation ; polarized target: transverse ; experimental results ; angular distribution ; Lambda: polarization ; spin: density matrix ; Lambda --> p pi- ; p anti-p --> Lambda Antilambda ; spin: correlation
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  • Description: The reaction (p) over barp -> (Lambda) over bar Lambda -> (p) over bar pi(+)p pi(-) has been measured with high statistics at a beam momentum of p((p) over bar)=1.637GeV/c. The use of a transversely polarized frozen-spin target combined with the self-analyzing property of Lambda/(Lambda) over bar decay allows access to unprecedented information on the spin structure of the interaction. The most general spin-scattering matrix can be written in terms of 11 real parameters for each bin of scattering angle; each of these parameters is determined with reasonable precision. From these results, all conceivable spin correlations are determined with inherent self-consistency. Good agreement is found with the few previously existing measurements of spin observables in (p) over barp ->(Lambda) over bar Lambda near this energy. Existing theoretical models do not give good predictions for those spin observables that had not been previously measured.
  • Access State: Open Access