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Maeda, Y. [Author]; Hartmann, M. [Author]; Koptev, V. [Author]; Kulessa, P. [Author]; Mersmann, T. [Author]; Mikirtytchiants, S. [Author]; Mussgiller, A. [Author]; Nekipelov, M. [Author]; Ohm, H. [Author]; Pysz, K. [Author]; Stein, H. J. [Author]; Ströher, H. [Author]; Keshelashvili, I. [Author]; Valdau, Yu. [Author]; Wilkin, C. [Author]; Wuestner, P. [Author]; Barsov, S. [Author]; Buescher, M. [Author]; Dzyuba, A. [Author]; Dymov, S. [Author]; Hejny, V. [Author]; Kacharava, A. [Author]; Kleber, V. [Author]

Measurement of the pn -> dK+K- total cross section close to threshold

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  • Media type: E-Article
  • Title: Measurement of the pn -> dK+K- total cross section close to threshold
  • Contributor: Maeda, Y. [Author]; Hartmann, M. [Author]; Koptev, V. [Author]; Kulessa, P. [Author]; Mersmann, T. [Author]; Mikirtytchiants, S. [Author]; Mussgiller, A. [Author]; Nekipelov, M. [Author]; Ohm, H. [Author]; Pysz, K. [Author]; Stein, H. J. [Author]; Ströher, H. [Author]; Keshelashvili, I. [Author]; Valdau, Yu. [Author]; Wilkin, C. [Author]; Wuestner, P. [Author]; Barsov, S. [Author]; Buescher, M. [Author]; Dzyuba, A. [Author]; Dymov, S. [Author]; Hejny, V. [Author]; Kacharava, A. [Author]; Kleber, V. [Author]
  • Published: Inst., 2009
  • Published in: Physical review / C 79, 018201 (2009). doi:10.1103/PhysRevC.79.018201
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevC.79.018201
  • ISSN: 0556-2813
  • Keywords: p: momentum spectrum ; magnetic spectrometer ; final-state interaction ; p deuteron: inelastic scattering ; 2.65 GeV ; mass spectrum: (K+ K-) ; p deuteron --> deuteron p K+ K- ; p n: interaction ; channel cross section: energy dependence ; p: spectator ; Juelich COSY PS ; K: pair production
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  • Description: Measurements of the pd -> p(sp) dK(+) K- reaction, where psp is a spectator proton, have been undertaken at the Cooler Synchrotron COSY-Julich by detecting a fast deuteron in coincidence with a K+K- pair in the ANKE facility. Although the proton beam energy was fixed, the moving target neutron allowed values of the nonresonant quasifree pn -> dK(+) K- total cross section to be deduced up to an excess energy epsilon approximate to 100 MeV. Evidence is found for the effects of K- d and K (K) over bar K final state interactions. The comparison of these data with those of pp -> ppK(+) K- and pp -> dK(+) (K) over bar (0) shows that all the total cross sections are very similar in magnitude.
  • Access State: Open Access