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Expansion dynamics of Pb–Pb collisions at 40AGeV/cviewed by negatively charged hadrons
- Source :
- Journal of Physics G: Nuclear and Particle Physics, Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2007, 34, pp.403-429. ⟨10.1088/0954-3899/34/3/001⟩
- Publication Year :
- 2007
- Publisher :
- IOP Publishing, 2007.
-
Abstract
- In this paper we present results on transverse mass spectra and Hanbury-Brown and Twiss correlation functions of negatively charged hadrons, which are expected to be mostly negative pions, measured in Pb-Pb collisions at 40 A GeV/c beam momentum. Based on these data, the collision dynamics and the space-time extent of the system at the thermal freeze-out are studied over a centrality range corresponding to the most central 53% of the Pb--Pb inelastic cross section. Comparisons with freeze-out conditions of strange particles and HBT results from other experiments are discussed.<br />29 pages, 18 figures
- Subjects :
- Physics
Nuclear and High Energy Physics
Particle physics
Range (particle radiation)
010308 nuclear & particles physics
Nuclear Theory
Hadron
Dynamics (mechanics)
FOS: Physical sciences
12.38.Mh, 25.75.Nq, 25.75.Ld, 25.75.Dw
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
01 natural sciences
Spectral line
Nuclear physics
Momentum
0103 physical sciences
Thermal
Transverse mass
Nuclear Physics - Experiment
Nuclear Experiment (nucl-ex)
Nuclear Experiment
010306 general physics
Beam (structure)
Subjects
Details
- ISSN :
- 13616471 and 09543899
- Volume :
- 34
- Database :
- OpenAIRE
- Journal :
- Journal of Physics G: Nuclear and Particle Physics
- Accession number :
- edsair.doi.dedup.....de8317aded0d1119017f880069cb6593
- Full Text :
- https://doi.org/10.1088/0954-3899/34/3/001