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The luminosity for a WASA-at-COSY experiment involving the pd reaction at 2.14 GeV proton-beam energy is determined by the forward pd elastic scattering, which yields an average beam-on-target value of [5.2pm0.3(stat)pm0.3(syst)]*10^{30} s^{-1}cm^{-2}. In addition, the forward pd elastic-scattering angular distribution is obtained with four-momentum transfer squared -t between 0.16 (GeV/c)^{2} and 0.78 (GeV/c)^{2} at this beam energy, which is compared with other experimental data and the pd double scattering model.
We report on the experimental search for the bound state of an $eta$ meson and $^{3}hspace{-0.03cm}mbox{He}$ nucleus performed using the WASA-at-COSY detector setup. In order to search for the $eta$-mesic nucleus decay, the $pdrightarrow$ $^{3}hspace
An exclusive measurement of the excitation function for the dd->3Heppi- reaction was performed at the Cooler Synchrotron COSY-Juelich with the WASA-at-COSY detection system. The data were taken during a slow acceleration of the beam from 2.185 GeV/c
An exclusive measurement of the dd -> 3He n pi 0 reaction was carried at a beam momentum of p = 1.2 GeV/c using the WASA-at-COSY facility. For the first time data on the total cross section as well as differential distributions were obtained. The dat
New data on the production of single neutral pions in the $pdrightarrow{}^3textrm{He},pi^0$ reaction are presented. For fifteen proton beam momenta between $p_p=1.60;textrm{GeV}/c$ and $p_p=1.74;textrm{GeV}/c$, differential cross sections are determi
The excitation function for the $pdrightarrow$ $d p pi^{0}$ reaction has been measured by WASA-at-COSY experiment with the aim of searching for $^{3}hspace{-0.03cm}mbox{He}$-$eta$ mesic nuclei. The measurement in the vicinity of $eta$ meson productio