Strangeness measurements in NA49 experiment with Pb projectiles

S. Margetis,H. Appelshäuser,J. Bächler,S J Bailey,D. Barna,L. S. Barnby,J. Bartke,R.A. Barton,H. Bialkowska,A. Billmeier,C. O. Blyth,R. Böck,C. Bormann,F.P. Brady,R. Brockmann,R. Brun,P. Buncic,H.L. Caines,Lincoln D. Carr,D. Cebra,G.E. Cooper,J. G. Cramer,M. Cristinziani,P. Csato,J. Dunn,V. Eckardt,F. Eckhardt,M.I. Ferguson,H.G. Fischer,D. Flierl,Z. Fodor,P. Foka,V. Friese,M. Fuchs,F. Gabler,J. Gál,M. Gazdzicki,E. Gladysz,J. Grebieszkow,J. Gunther,John William Harris,S. Hegyi,Torsten Henkel,L.A. Hill,H. Hümmler,D. Irmscher,Peter Martin Jacobs,Peter Graham Jones,K. Kadija,V. Kolesnikov,M. Kowalski,B. Lasiuk,P. Lévai,A. Malakhov,C. Markert,G. L. Melkumov,A. Mock,J. Molnar,J. M. Nelson,M. Oldenburg,G. Odyniec,G. Palla,A. Panagiotou,A Petridis,A. Piper,R.J. Porter,A. M. Poskanzer,D. Prindle,F. Pühlhofer,W. Rauch,J. G. Reid,R. Renfordt,W. Retyk,H. G. Ritter,D. Röhrich,C. Roland,G Roland,H. Rudolph,A. Rybicki,A. Sandoval,H. Sann,A. Yu. Semenov,E. Schafer,D. Schmischke,N. Schmitz,S. Schönfelder,P. Seyboth,J. Seyerlein,F. Sikler,E. Skrzypczak,Raimond Snellings,G.T.A. Squier,R. Stock,H. Ströbele,Chr. Struck,I. Szentpetery,J. Sziklai,T. A. Trainor,S. Trentalange,T. Ullrich,M. Vassiliou,G. I. Veres,G. Vesztergombi,D. Vranic,Fuqiang Wang,D.D. Weerasundara,S. Wenig,C. Whitten,T. Wienold,L. Wood,Nu Xu,T.A. Yates,J. Zimányi,R. Zybert

Strangeness measurements in NA49 experiment with Pb projectiles

1999

S. Margetis
H. Appelshäuser
J. Bächler
S J Bailey
D. Barna
L. S. Barnby
J. Bartke
R.A. Barton
H. Bialkowska
A. Billmeier
C. O. Blyth
R. Böck
C. Bormann
F.P. Brady
R. Brockmann
R. Brun
P. Buncic
H.L. Caines
Lincoln D. Carr
D. Cebra
G.E. Cooper
J. G. Cramer
M. Cristinziani
P. Csato
J. Dunn
V. Eckardt
F. Eckhardt
M.I. Ferguson
H.G. Fischer
D. Flierl
Z. Fodor
P. Foka
V. Friese
M. Fuchs
F. Gabler
J. Gál
M. Gazdzicki
E. Gladysz
J. Grebieszkow
J. Gunther
John William Harris
S. Hegyi
Torsten Henkel
L.A. Hill
H. Hümmler
D. Irmscher
Peter Martin Jacobs
Peter Graham Jones
K. Kadija
V. Kolesnikov
M. Kowalski
B. Lasiuk
P. Lévai
A. Malakhov
C. Markert
G. L. Melkumov
A. Mock
J. Molnar
J. M. Nelson
M. Oldenburg
G. Odyniec
G. Palla
A. Panagiotou
A Petridis
A. Piper
R.J. Porter
A. M. Poskanzer
D. Prindle
F. Pühlhofer
W. Rauch
J. G. Reid
R. Renfordt
W. Retyk
H. G. Ritter
D. Röhrich
C. Roland
G Roland
H. Rudolph
A. Rybicki
A. Sandoval
H. Sann
A. Yu. Semenov
E. Schafer
D. Schmischke
N. Schmitz
S. Schönfelder
P. Seyboth
J. Seyerlein
F. Sikler
E. Skrzypczak
Raimond Snellings
G.T.A. Squier
R. Stock
H. Ströbele
Chr. Struck
I. Szentpetery
J. Sziklai
T. A. Trainor
S. Trentalange
T. Ullrich
M. Vassiliou
G. I. Veres
G. Vesztergombi
D. Vranic
Fuqiang Wang
D.D. Weerasundara
S. Wenig
C. Whitten
T. Wienold
L. Wood
Nu Xu
T.A. Yates
J. Zimányi
R. Zybert

Charged and neutral strange particle production was studied by the NA49 experiment at CERN. Preliminary inclusive spectra are presented for , , , , and particles, measured in a region close to mid-rapidity, for central Pb+Pb collisions at 158 GeV per nucleon. An enhanced strange particle production relative to properly scaled elementary nucleon-nucleon collisions is observed, but its strength is similar to lighter S + nucleus systems. The enhancement is stronger for multistrange particles.

Keywords:

Strangeness
Large Hadron Collider
Particle physics
Strange quark
Projectile
Nucleon
Nuclear physics
Physics
NA49 experiment
Spectral line

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