Elliptic emission of K+ and π+ in 158 A·GeV Pb + Pb collisions

M M Aggarwal ,K El Chenawi,C Barlag,P Kulinich,L Luquin,T Bernier,E.-M Bohne,V Djordjadze,H Büsching,I Koutcheryaev,A Claussen,R Cherbatchev,S Neumaier,A Nianine,B Batiounia,R Higuchi,A Buijs,G Mgebrichvili,K Enosawa,A Lebedev,A Baldine,R Kamermans,S Kees,D Bucher,V Astakhov,V Avdeitchikov,L Barabach,K Karadjev,T Krümpel,H Kalechofsky,H Naef,H.H Gutbrod,I Doubovik,K Kurita,V Chalyshev,V Arefiev,I Langbein,V Myalkovski,R Mehdiyev,D Mikhalev,A.L.S Angelis,P.V.K.S Baba,R Glasow,A Maximov,R Bock,S Bathe,M R Dutta Majumdar ,Z Ahammed ,P Foka ,L Carlén ,Yusuke Miyamoto ,F J M Geurts ,А Куглер ,M S Ganti ,M.p Decowski ,H Å Gustafsson ,V Frolow ,S K Gupta ,M Ippolitov ,K Karpio ,K B Bhalla ,S Fokin ,S Chattopadhyay ,Masahiro Kurata ,V Antonenko ,D P Mahapatra ,H Löhner ,Z Böröcz ,A Agnihotri ,P Dönni ,D Mukhopadhyay ,Michel Martin ,B W Kolb ,Y.y Lee ,V S Bhatia ,T C Awes ,B K Nandi ,K.h Kampert ,G C Mishra ,A Das ,S K Nayak ,S Kato ,Tarun Kanti Ghosh ,D P Morrison ,I Kosarev ,Y Miake ,B.n Gus'kov ,I Hřivnáčová ,T K Nayak ,N Kuzmin ,C Blume ,S Dutt ,V Manko ,S.m Eliseev ,H Kim ,S Garpmann ,O Gavrishchuk ,S K Badyal ,T Chujo

doi:10.1016/s0370-2693(99)01289-7

Elliptic emission of K+ and π+ in 158 A·GeV Pb + Pb collisions

M M Aggarwal , K El Chenawi + Show 97 more

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https://doi.org/10.1016/s0370-2693(99)01289-7

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Journal: Physics Letters B	Publication Date: Dec 1, 1999
Citations: 12

Affiliation: Lund University, University of Münster, Massachusetts Institute of Technology, Joint Institute for Nuclear Research, Kurchatov Institute, GSI Helmholtz Centre for Heavy Ion Research, University of Tsukuba, Utrecht University, University of Geneva, University of Jammu, Variable Energy Cyclotron Centre, University of Rajasthan, Institute of Physics, Panjab University, Oak Ridge National Laboratory, University of Tennessee at Knoxville

#GeV Pb #Reaction Plane + Show 8 more

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Abstract

An event-by-event analysis of the azimuthal angular correlation with respect to the reaction plane has been carried out for K + and π + emission near mid-rapidity in 158 A·GeV Pb + Pb collisions. In semi-central collisions, K + mesons are found to be preferentially emitted out of the reaction plane, while π + mesons are emitted in the reaction plane. The results suggest that the kaon emission is influenced by in-medium potential effects in addition to collective flow effects.

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