Abstract
Understanding of the production processes of the η meson will strongly rely on the precise determination of spin observables. So far these observables have been determined only for few excess energies and with low statistics (Winter et al. Eur. Phys. J. A18, 355 2003; Czyzykiewicz et al. Phys. Rev. Lett. 98, 122003 2007; Balestra et al. Phys. Rev. C69, 064003 2004). In the year 2010 WASA detector was used for the measurement of the \(\overrightarrow {p}p\rightarrow pp\eta \) reaction with the polarized proton beam of COSY (Moskal and Hodana J. Phys. Conf. Ser 295, 012080 2011). The measurement was done for the excess energy of Q = 15 MeV and Q = 72 MeV. In total about 106 events corresponding to the \(\overrightarrow {p}p\rightarrow pp\eta \) reaction have been collected.
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Winter, P., et al.: Eur. Phys. J. A18, 355 (2003)
Czyzykiewicz, R., et al.: Phys. Rev. Lett. 98, 122003 (2007)
Balestra, F., et al.: Phys. Rev. C69, 064003 (2004)
Moskal, P., Hodana, M.: J. Phys. Conf. Ser. 295, 012080 (2011)
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Hodana, M., et al.: Acta. Phys. Pol. B. Suppl 6. 1041 (2013). arXiv:1309.0430
Demirors, L.: Ph.D. Hamburg University (2005)
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Proceedings of the 11th International Conference on Low Energy Antiproton Physics (LEAP 2013) held in Uppsala, Sweden, 10-15 June, 2013
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Ozerianska, I., Moskal, P. & Hodana, M. Study of the polarization degree for the \(\overrightarrow {p}p\rightarrow pp\eta \) measurement with WASA. Hyperfine Interact 229, 85–87 (2014). https://doi.org/10.1007/s10751-014-1042-7
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DOI: https://doi.org/10.1007/s10751-014-1042-7