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- Title
Low-p<sub>T</sub> spectra of identified charged particles in ... = 200 GeV Au+Au collisions from PHOBOS experiment at RHIC.
- Authors
Back, B. B.; Baker, M. D.; Barton, D. S.; Betts, R. R.; Ballintijn, M.; Bickley, A. A.; Bindel, R.; Budzanowski, A.; Busza, W.; Carroll, A.; Decowski, M. P.; García, E.; George, N.; Gulbrandsen, K.; Gushue, S.; Halliwell, C.; Hamblen, J.; Heintzelman, G. A.; Henderson, C.; Hofman, D. J.
- Abstract
The PHOBOS experiment at the Relativistic Heavy Ion Collider (RHIC), comprising the spectrometer with multiple layers of silicon wafers, is an excellent detector for very low transverse momentum (pT ) particles. Transverse momentum distributions of &pai;-+ &pai;+, K-+ K+ and p + &bmacr;p produced at midrapidity are presented for the 15% most central Au-Au collisions at √sNN = 200 GeV. The momentum ranges for measured particles are from 30 to 50 MeV/c for pions, 90 to 130 MeV/c for kaons and 140 to 210 MeV/c for protons and antiprotons. The measurement method is briefly described. A comparison of the pT spectra to experimental results at higher particle momenta and to model predictions is discussed.
- Subjects
SPECTRUM analysis; SEMICONDUCTOR wafers; PARTICLES (Nuclear physics); PROTONS; SPECTRUM analysis instruments; ENGINEERING instruments; INSTRUMENT industry
- Publication
European Physical Journal C -- Particles & Fields, 2004, Vol 33, ps600
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjcd/s2004-03-1700-3