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Entropy Production in High Energy Processes
Berndt Müller, Andreas Schäfer
We calculate the entropy produced in the decoherence of a classical field configuration and compare it with the entropy of a fully thermalized state with the same energy. We find t…
Physics for a Polarized Electron-Nucleon/Nucleus-Collider
A. Schäfer
A number of physics arguments for a high-luminosity high energy polarized Electron- Nucleon/Nucleus-Collider (i.e. with a luminosity of at least 10^{33} cm^{-2} sec^{-1} and an inv…
Gluon Condensate and Quark Propagation in the QGP
Andreas Sch"afer, Markus H. Thoma
A calculation of the thermal quark propagator is presented taking the gluon condensate above the critical temperature into account. The quark dispersion relation following from thi…
Semi-inclusive asymmetries with polarized proton beams at HERA
M. Maul, J. G. Contreras, H. Ihssen +1
The prospects of semi-inclusive measurements with polarized proton beams at HERA are discussed. Detailed simulations show that one can disentangle the valence-quark and sea-quark c…
Recent developments of PEPSI and SPHINX
O. Martin, M. Maul, A. Schafer
Recent developments of the two MC-generators SPHINX and PEPSI are discussed. In SPHINX the process of polarized photo production was included to simulate the potential of a polariz…
SPHINX TT - Monte Carlo Program for Nucleon-Nucleon Collisions with Transverse Polarization
Oliver Martin, Andreas Schäfer
We present the program summary and long write-up for SPHINX TT, a new Monte Carlo simulation for transversely polarized nucleon-nucleon scattering. The program is based on Pythia/J…