A study of Bose-Einstein correlations in central O+Au and S+S collisions at a projectile energy of 200 GeV per nucleon
Description
In this thesis Bose-Einstein correlations between pions, which are produced in ultrarelativistic heavy-ion collisions, are studied. From these the space-time structure of the pion source is derived. The transverse, longitudinal, and Lorentz-invariant radius of this pion source is determined as function of the rapidity. The rapidity dependence of these parameters for the symmetric S+S system differs from that of the asymmetric system O+Au quantitatively and qualitatively. At the high energies considered here a correlation between momentum and space-time is expected. This is regarded in the covariant Kolehmainen-Gyulassy (GM) model. The corresponding analysis shows, however, that the influence of these correlations on the transverse radius and the chaoticity parameter is small. For both systems the chaoticity parameter is positively correlated with the transverse radius. The study of three-particle correlations shows that the two-particle correlations are essentially conditioned by the Bose-Einstein statistics. (orig./HSI)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
In dieser Arbeit werden Bose-Einstein Korrelationen zwischen Pionen, die in ultrarelativistischen Schwerionenstoessen produziert werden, untersucht. Aus diesen wird die Raum-Zeit Struktur der Pionenquelle abgeleitet. Der transversale, longitudinale und Lorentz-invariante Radius dieser Pionenquelle wird als Funktionder Rapiditaet bestimmt. Die Rapiditaetsabhaengigkeit dieser Parameter fuer das symmetrische S+S System unterscheidet sich von der des asymmetrischen Systems O+Au quantitativ und qualitativ. Bei den hier betrachteten hohen Energien wird eine Korrelation zwischen Impuls und Raum-Zeit erwartet. Diese wird im kovarinaten Kolehmainen-Gyulassy (KG) Modell beruecksichtigt. Die entsprechende Analyse zeigt jedoch, dass der Einfluss dieser Korrelationen auf den transversalen Radius und den Chaotizitaetsparameter klein ist. Fuer beide Systeme ist der Chaotizitaetsparameter mit dem transversalen Radius positiv korreliert. Die Untersuchung von Drei-Teilchen-Korrelationen ergibt, dass die Zwei-Teilchen-Korrelationen im wesentlichen durch die Bose-Einstein Statistik bedingt sind. (orig./HSI)
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Additional details
Additional titles
- Original title (German)
- Eine Untersuchung von Bose-Einstein Korrelationen in zentralen O+Au und S+S Kollisionen bei einer Projektilenergie von 200 GeV pro Nukleon
Publishing Information
- Imprint Pagination
- 175 p.
- Report number
- GSI--91-05
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 22070881
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Numerical Data, Thesis
- Descriptors DEI
- BOSE-EINSTEIN STATISTICS; CORRELATION FUNCTIONS; CORRELATIONS; DEEP INELASTIC HEAVY ION REACT; EXPERIMENTAL DATA; GOLD 197 TARGET; INCLUSIVE INTERACTIONS; OXYGEN 16 REACTIONS; PARTICLE RAPIDITY; PIONIZATION; PIONS MINUS; PIONS PLUS; RELATIVISTIC RANGE; STOCHASTIC PROCESSES; SULFUR 32 REACTIONS; SULFUR 32 TARGET; TEV RANGE 01-10; TIME DEPENDENCE; TRANSVERSE MOMENTUM
- Descriptors DEC
- BOSONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; FUNCTIONS; HADRONS; HEAVY ION REACTIONS; INFORMATION; INTERACTIONS; LINEAR MOMENTUM; MESONS; MULTIPLE PRODUCTION; NUCLEAR REACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PARTICLE PROPERTIES; PIONS; PSEUDOSCALAR MESONS; TARGETS; TEV RANGE