Antiflow of kaons in relativistic heavy ion collisions

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dc.creatorPal, S.
dc.creatorKo, Che Ming
dc.creatorLin, ZW
dc.creatorZhang, B.
dc.date.accessioned2011-09-13T21:26:44Z
dc.date.available2011-09-13T21:26:44Z
dc.date.issued2000
dc.descriptionJournals published by the American Physical Society can be found at http://publish.aps.org/en
dc.description.abstractWe compare relativistic transport model calculations to recent data on the sideward flow of neutral strange K-s(0) mesons for Au+Au collisions at 6A GeV. A soft nuclear equation of state is found to describe very well the positive proton flow data measured in the same experiment. In the absence of the kaon potential, the K-0 flow pattern is similar to that of protons. The kaon flow becomes negative if a repulsive kaon potential determined from the impulse approximation is introduced. However, this potential underestimates the data which exhibit larger antiflow. An excellent agreement with the data is obtained when a relativistic scalar-vector kaon potential, that has stronger density dependence, is used. We further find that the transverse momentum dependence of directed and elliptic flow is quite sensitive to the kaon potential in dense matter.en
dc.identifier.citationS. Pal, Che Ming Ko, Z. W. Lin and B. Zhang. Phys.Rev.C 62 061903 2000. "Copyright (2000) by the American Physical Society."en
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevC.62.061903
dc.identifier.urihttps://hdl.handle.net/1969.1/126902
dc.language.isoen
dc.publisherAmerican Physical Society
dc.subjectNUCLEUS-NUCLEUS COLLISIONSen
dc.subjectOUT-OF-PLANEen
dc.subjectAU+AU COLLISIONSen
dc.subjectELLIPTICen
dc.subjectFLOWen
dc.subjectEXCITATION-FUNCTIONSen
dc.subjectANISOTROPIC FLOWen
dc.subjectTRANSVERSE FLOWen
dc.subjectDENSEen
dc.subjectMATTERen
dc.subjectK+en
dc.subjectCONDENSATIONen
dc.subjectPhysicsen
dc.titleAntiflow of kaons in relativistic heavy ion collisionsen
dc.typeArticleen
local.departmentPhysics and Astronomyen

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