A. Billmeier | Researchain

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Physics Letters B | 2002

Ξ− and Ξ+ production in central Pb+Pb collisions at 158 GeV/c per nucleon

S. Afanasiev; T. Antičić; D. Barna; J. Bartke; R.A. Barton; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; C. O. Blyth; B. Boimska; M. Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncic; V. Cerny; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund; V. Friese; J. Gal; M. Gaździcki; G. Georgopoulos

Results of the production of Xi and Xi-bar hyperons in central Pb+Pb interactions at 158 GeV/c per nucleon are presented. This analysis utilises a global reconstruction procedure, which allows a measurement of 4pi integrated yields to be made for the first time. Inverse slope paramters, which are determined from an exponential fit to the transverse mass spectra, are shown. Central rapidity densities are found to be 1.49 +- 0.08 and 0.33 +- 0.04 per event per unit of rapidity for Xi and Xi-bar respectively. Yields integrated to full phase space are 4.12 +- 0.02 and 0.77 +- 0.04 for Xi and Xi-bar. The ratio of Xi-bar/Xi at mid-rapidity is 0.22 +- 0.03.

Nuclear Physics | 2003

Recent results on spectra and yields from NA49

M. van Leeuwen; S. Afanasiev; T. Anticic; B. Baatar; D. Barna; J. Bartke; R.A. Barton; M. Behler; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; C. O. Blyth; B. Boimska; Michiel Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncˇić; V. Cerny; O. Chvala; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund

The energy dependence of hadron production in central Pb+Pb collisions is presented and discussed. In particular, midrapidity

Physical Review Letters | 2004

Lambda and lambda production in central Pb-Pb collisions at 40, 80, and 158A GeV.

T. Antičić; B. Baatar; D. Barna; J. Bartke; M. Behler; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; B. Boimska; M. Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncic; Cerny; P. Christakoglou; O. Chvala; J. G. Cramer; P. Csato; N. Darmenov; A. Dimitrov; P. Dinkelaker; Eckardt; P. Filip; D. Flierl; Z. Fodor; P. Foka; P. Freund; Friese

m_T

Physical Review C | 2004

K(892)* resonance production in Au+Au and p+p collisions at sqrt(sNN) = 200 GeV at RHIC

J. Adams; M. M. Aggarwal; Z. Ahammed; J. Amonett; B. D. Anderson; D. Arkhipkin; G. S. Averichev; S.K. Badyal; Y. Bai; J. Balewski; O. Barannikova; L. S. Barnby; J. Baudot; S. Bekele; V. V. Belaga; R. Bellwied; Joram Berger; B. I. Bezverkhny; S. Bharadwaj; A. Bhasin; A. K. Bhati; V.S. Bhatia; H. Bichsel; A. Billmeier; L. C. Bland; C. O. Blyth; B. E. Bonner; M. Botje; A. Boucham; A. V. Brandin

-spectra for

Nuclear Physics | 2003

Energy dependence of Λ and Λ¯ production at CERN-SPS energies

A. Mischke; S. Afanasiev; T. Antičić; B. Baatar; D. Barna; J. Bartke; R.A. Barton; M. Behler; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; C. O. Blyth; B. Boimska; M. Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncˇić; V. Cerny; O. Chvala; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund

\pi^-

Journal of Physics G | 2002

Lambda production in central Pb + Pb collisions at CERN-SPS energies

A. Mischke; S. Afanasiev; T. Anticic; D. Barna; J. Bartke; R.A. Barton; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; C. O. Blyth; B. Boimska; Michiel Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncic; V. Cerny; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund; V. Friese; J. Gal; M. Gaździcki

Journal of Physics G | 2004

Strangeness from 20 A GeV to 158 A GeV

V. Friese; C. Alt; T. Antičić; B. Baatar; D. Barna; J. Bartke; M. Behler; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; B. Boimska; Michiel Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncic; V Cerny; P. Christakoglou; O. Chvala; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund; J. Gal

K^-

Pramana | 2003

Search for deconfinement in NA49 at the CERN SPS

P. Seyboth; S. Afanasiev; T. Anticic; D. Barna; J. Bartke; R.A. Barton; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; C. O. Blyth; B. Boimska; Michiel Botje; J. Bracinik; R. Bramm; R. Brun; P. Bunci; V. Cerny; O. Chvala; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund; V. Friese; J. Gal

Journal of Physics G | 2004

Strangeness from 20AGeV to 158AGeV

C. Alt; Tome Antičić; B. Baatar; Barna, D, Bartke, J.; M. Behler; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; B. Boimska; M. Botje; J. Bracinik; R. Bramm; R. Brun; P. Bunčcić; V. Cerny; P. Christakoglou; O. Chvala; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund; V. Friese; J. Gal; Marek Gazdzicki

K^+

Contributed to | 2003

Strangeness from 20-A-GeV to 158-A-GeV

C. Alt; I. K. Yoo; E. Gladysz; V. Eckardt; Z. Fodor; N. Schmitz; B. Mayes; J. Zaranek; J. G. Reid; J. Sziklai; J. Bartke; K. Kadija; V. Friese; F. Sikler; P. Csato; Z. Włodarczyk; M. Vassiliou; H. Bialkowska; G. Georgopoulos; M. Behler; H.G. Fischer; V. Kolesnikov; M. Rybczynski; K. Perl; L. Pinsky; C. Blume; J. G. Cramer; A. Panagiotou; C. Markert; G. Stefanek

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