117 research outputs found
Muoproduction of J / psi and the gluon distribution of the nucleon
No full textAshman J, Badelek B, Baum G, et al. Muoproduction of J/Psi and the gluon distribution of the nucleon. Z.Phys. C. 1992;56(1):21-28
A Measurement of the ratio of the nucleon structure function in copper and deuterium
No full textAshman J, Badelek B, Baum G, et al. A measurement of the ratio of the nucleon structure function in copper and deuterium. Z.Phys. C. 1993;57(2):211-218
Forward produced hadrons in mu p and mu d scattering and investigation of the charge structure of the nucleon
No full textAshman J, Badelek B, Baum G, et al. Forward produced hadrons in Mu p and Mu d scattering and investigation of the charge structure of the nucleon. Z.Phys. C. 1991;52(3):361-387
Flux of cosmic ray heavy nuclei enders behind low shielding
No full textThe authors investigate the number of stopping nuclei per cm/sup 3/ tissue hour as a function of absorbing material thickness. Fragmentation probabilities of heavy nuclei were deduced from the measured attenuation of the heavy nuclei flux in the atmosphere. Comparison is made with the results of the Biostack I experiment on board Apollo 16. (11 refs)
The flux of secondary anti-deuterons and antihelium produced in the interstellar medium
No full textSeveral measurements were performed to find antiprotons in the primary cosmic radiation. Because it is difficult to get completely separated secondarily produced antiprotons from primary ones, calculations based on accelerator results were performed for the flux of secondarily produced anti-deuterons and antihelium
A cosmic-ray spectrograph using the spark chamber technique
No full text In this paper the characteristics of a cosmic-ray spectrograph which uses a solid iron magnet as the deflecting element are described. The particle tracks are registered by six spark chambers having double gaps. These spark chambers are triggered by four layers of G-M counters which are used also for a preselection of the momentum up to 50 GeV/c. The deflection power of the magnet, ∫B"∙dl, is 3.2 × 106 gauss-cm; the momentum range is 7–5 000 GeV/c; the collection power amounts to 7.1 cm2 sr, and the measured rate is 18/h. </jats:p
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