- AutorIn
- K. Siwek-Wilczynska
- A. Somov
- U. Sodan
- Z. Seres
- V. Simion
- B. Sikora
- C. Roy
- J. L. Ritman
- W. Reisdorf
- F. Rami
- P. Pras
- H. Merlitz
- C. Pinkenburg
- M. Petrovici
- D. Pelte
- S. Mohren
- L. Tizniti
- J. Biegansky
- Roland Kotte
- D. Best
- Titel
- Proton-Proton Correlations in Central Collisions of Ni+Ni at 1.93 A GeV and the Space-Time Extent of the Emission Source
- Zitierfähige Url:
- https://nbn-resolving.org/urn:nbn:de:bsz:d120-qucosa-31276
- Schriftenreihe
- Wissenschaftlich-technische Berichte
- Bandnummer
- FZR-164
- Quellenangabe
- Forschungszentrum Rossendorf; FZR-164 Preprint
- Erstveröffentlichung
- 1997
- Abstract (EN)
- Small-angle correlations of Proton pairs produced in central Ni+Ni collisions at a beam energy of 1.93 AGeV are investigated with the FOPI detector System at GSI Darmstadt. A well-defined emission source is selected by triggering on central events which comprise about 8% of the total cross section. Simultaneous comparison of longitudinal and transverse correlation functions with the predictions of the Koonin model allows to unravel the space-time ambiguity of the emission process. Taking into account the strong collactive expansion of the participant zone, which introduces a reduction of the extracted source radius of more than 30% r.m.s. radius and emission time parameters of Rrms = ( 4.2 ± 1.2) fm and trms = (11+7-5) fm/c are extracted, respectively. In contrast, the analysis of the angle-integrated correlation function gives an upper limit Rrms = (7.0 ± 1.4) fm of the source radius.
- Verlag
- Forschungszentrum Rossendorf, Rossendorf
- URN Qucosa
- urn:nbn:de:bsz:d120-qucosa-31276
- Veröffentlichungsdatum Qucosa
- 31.03.2010
- Dokumenttyp
- Bericht
- Sprache des Dokumentes
- Englisch