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26 April 2024

» arxiv » nucl-ex/0201016

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Experimental results on strangeness production in proton-proton collisions at COSY
P. Moskal ; H.-H. Adam ; A. Budzanowski ; R. Czyzykiewicz ; D. Grzonka ; C. Kolf ; L. Jarczyk ; A. Khoukaz ; K. Kilian ; P. Kowina ; N. Lang ; T. Lister ; W. Oelert ; C. Quentmeier ; R. Santo ; G. Schepers ; T. Sefzick ; M. Siemaszko ; J. Smyrski ; A. Strzalkowski ; P. Winter ; M. Wolke ; P. Wustner ; W. Zipper ;
Date:	23 Dec 2001
Journal:	J.Phys. G28 (2002) 1777-1786
Subject:	nucl-ex
Abstract:	The production of K+ and K- mesons in elementary proton-proton collision has been investigated at the Cooler Synchrotron COSY in Juelich. A high quality proton beam with low emittance and small momentum spread permitted to study the creation of these mesons very close to the kinematical threshold. The energy dependence of the total cross section is investigated using internal beam facilities providing a high accuracy particle momentum determination as well as an external non-magnetic detection setup with a large geometrical acceptance. The determination of the four-momentum vectors for all ejectiles of each registered event gives the complete kinematical information allowing to study the interaction of the outgoing particles. Results on the performed studies of the pp --> pp K+ K-, pp --> p Lambda K+ and pp --> p Sigma0 K+ reactions will be presented and their relevance to the interpretation of heavy ion collisions will be discussed.
Source:	arXiv, nucl-ex/0201016
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