112 research outputs found
Recommended from our members
EXPERIMENTS WITH LIGHT IONS AT THE CERN SUPER PROTON SYNCHROTRON
The CERN-GSI-LBL plan to install an injector for light ions at the CERN SPS is reviewed, and an outline is given of the experiments so far approved by CERN for a 50 A GeV and 225 A GeV running in 1986-1987. 6 references
Recommended from our members
FUTURE RELATIVISTIC HEAVY ION EXPERIMENTS
Equations of state for nuclear matter and ongoing experimental studies are discussed. Relativistic heavy ion physics is the only opportunity to study in the laboratory the properties of extended multiquark systems under conditions such that quarks might run together into new arrangements previously unobserved. Several lines of further study are mentioned. (GHT
Recommended from our members
Recent results from the Bevalac
In a collision between a 1.8 GeV/amu argon ion and a lead target, the overlapping regions of projectile and target undergo violent interaction while the non-overlapping regions either continue with beam velocity and break up into projectile fragments or remain at rest and break into target fragments. Projectile fragements are the easiest to study; the participants, in the mid-rapidity region, are the next easiest, while the target fragments have not been extensively studied, except by radiochemistry techniques. This talk concentrates (with the exception of a discussion of anomalous projectile fragments) on the participant region, where one would expect to find high densities and temperatures and where evidence of any phase transition might be found. The extensive evidence for a high degree of equilibration at Bevalac energies is omitted, even though the stopping power of nuclei is crucial for possible studies at higher energies
Recommended from our members
Overview of very-high-energy heavy ions
This review gives a capsule summary of some background facts and basic considerations relevant to possible use of the CERN ISR for experiments with light ions
Recommended from our members
ULTRARELATIVISTIC HEAVY IONS
Studies with ultrarelativistic heavy ions combine aspects of cosmic ray physics, particle physics, nuclear physics, astrophysics and cosmogenesis. The leading theoretical concerns are the behavior of matter at very high-energy density and flux, the general behavior of space time in collisions, relativistic nuclear theory, and quantum chromodynamics. The field has developed over a period of more than thirty years, since the first observation of heavy nuclei in cosmic rays and the major developments of understanding of high-energy collisions made by Fermi and Landau in the early fifties. In the late sixties the discovery of the parton content of nucleons was rapidly followed by a great extension of high-energy collision phenomenology at the CERN ISR and subsequent confirmation of the QCD theory. In parallel the study of p-nucleus and nucleus-nucleus collisions at very high energies, especially at the CERN PS, Fermilab and the Bevalac, and in cosmic rays demonstrated that studies involving the nucleus opened up a new dimension in studies of the hadronic interaction. It is now at a high level of interest on an international scale, with major new accelerators being proposed to dedicate to this kind of study
Recommended from our members
EOS: A TIME PROJECTION CHAMBER FOR THE STUDY OF NUCLEUS-NUCLEUS COLLISIONS AT THE BEVALAC
Recommended from our members
EQUILIBRATION, COMPRESSION AND FLOW AT THE BEVALAC
This paper presents data acquired in the past two years by the Streamer Chamber group and the Plastic Ball group. The paper presents evidence that at Bevalac energies, head-on nuclear collisions result in stopping; it presents evidence for collective flow of the interacting nuclei; it presents evidence that a substantial part of the energy is tied up in compressional energy at the high density phase of the collision; finally, it presents recent data concerning aspects of the collisions such as interaction volume, particle ratios and temperatures. At the meeting at Bielefeld two years ago, it was not possible to make definitive statements about most of these subjects: the progress in the intervening period has been remarkable. 17 references, 14 figures, 1 table
- …