Cold Nuclear Matter effects on J/psi production at RHIC: comparing shadowing models

We present a wide study on the comparison of different shadowing models and their influence on J/{psi} production. We have taken into account the possibility of different partonic processes for the c{bar c}-pair production. We notice that the effect of shadowing corrections on J/{psi} production clearly depends on the partonic process considered. Our results are compared to the available data on dAu collisions at RHIC energies. We try different break up cross section for each of the studied shadowing models

Measurement of nuclide cross-sections of spallation residues in 1 A GeV "2"3"8U + proton collisions

The production of heavy nuclides from the spallation-evaporation reaction of "2"3"8U induced by 1 GeV protons was studied in inverse kinematics. The evaporation residues from tungsten to uranium were identified in-flight in mass and atomic number. Their production cross-sections and their momentum distributions were determined. The data are compared with empirical systematics. A comparison with previous results from the spallation of "2"0"8Pb and "1"9"7Au reveals the strong influence of fission in the spallation of "2"3"8U. (orig.)Available from TIB Hannover: RO 801(03-07) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman