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  1. Article: Omega- and Omega+ production in central Pb + Pb collisions at 40 and 158A GeV.

    Alt, C / Anticic, T / Baatar, B / Barna, D / Bartke, J / Betev, L / Białkowska, H / Billmeier, A / Blume, C / Boimska, B / Botje, M / Bracinik, J / Bramm, R / Brun, R / Buncić, P / Cerny, V / Christakoglou, P / Chvala, O / Cramer, J G /
    Csató, P / Darmenov, N / Dimitrov, A / Dinkelaker, P / Eckardt, V / Farantatos, G / Flierl, D / Fodor, Z / Foka, P / Freund, P / Friese, V / Gál, J / Gaździcki, M / Georgopoulos, G / Gładysz, E / Grebieszkow, K / Hegyi, S / Höhne, C / Kadija, K / Karev, A / Kliemant, M / Kniege, S / Kolesnikov, V I / Kollegger, T / Kornas, E / Korus, R / Kowalski, M / Kraus, I / Kreps, M / van Leeuwen, M / Lévai, P / Litov, L / Lungwitz, B / Makariev, M / Malakhov, A I / Markert, C / Mateev, M / Mayes, B W / Melkumov, G L / Meurer, C / Mischke, A / Mitrovski, M / Molnár, J / Mrówczyński, St / Pálla, G / Panagiotou, A D / Panayotov, D / Petridis, A / Pikna, M / Pinsky, L / Pühlhofer, F / Reid, J G / Renfordt, R / Richard, A / Roland, C / Roland, G / Rybczyński, M / Rybicki, A / Sandoval, A / Sann, H / Schmitz, N / Seyboth, P / Siklér, F / Sitar, B / Skrzypczak, E / Stefanek, G / Stock, R / Ströbele, H / Susa, T / Szentpétery, I / Sziklai, J / Trainor, T A / Varga, D / Vassiliou, M / Veres, G I / Vesztergombi, G / Vranić, D / Wetzler, A / Włodarczyk, Z / Yoo, I K / Zaranek, J / Zimányi, J

    Physical review letters

    2005  Volume 94, Issue 19, Page(s) 192301

    Abstract: Results are presented on Omega production in central Pb+Pb collisions at 40 and 158A GeV beam energy. For the first time in heavy ion reactions, rapidity distributions and total yields were measured for the sum Omega(-) + Omega(+) at 40A GeV and for ... ...

    Abstract Results are presented on Omega production in central Pb+Pb collisions at 40 and 158A GeV beam energy. For the first time in heavy ion reactions, rapidity distributions and total yields were measured for the sum Omega(-) + Omega(+) at 40A GeV and for Omega(-) and Omega(+) separately at 158A GeV. The yields are strongly underpredicted by the string-hadronic UrQMD model but agree better with predictions from hadron gas models.
    Language English
    Publishing date 2005-05-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.94.192301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: System-size dependence of strangeness production in nucleus-nucleus collisions at squareroot[sNN]=17.3 GeV.

    Alt, C / Anticic, T / Baatar, B / Barna, D / Bartke, J / Betev, L / Białkowska, H / Billmeier, A / Blume, C / Boimska, B / Botje, M / Bracinik, J / Bramm, R / Brun, R / Buncić, P / Cerny, V / Christakoglou, P / Chvala, O / Cramer, J G /
    Csató, P / Darmenov, N / Dimitrov, A / Dinkelaker, P / Eckardt, V / Farantatos, G / Flierl, D / Fodor, Z / Foka, P / Freund, P / Friese, V / Gál, J / Gaździcki, M / Georgopoulos, G / Gładysz, E / Grebieszkow, K / Hegyi, S / Höhne, C / Kadija, K / Karev, A / Kliemant, M / Kniege, S / Kolesnikov, V I / Kollegger, T / Kornas, E / Korus, R / Kowalski, M / Kraus, I / Kreps, M / van Leeuwen, M / Lévai, P / Litov, L / Lungwitz, B / Makariev, M / Malakhov, A I / Markert, C / Mateev, M / Mayes, B W / Melkumov, G L / Meurer, C / Mischke, A / Mitrovski, M / Molnár, J / Mrówczyński, St / Pálla, G / Panagiotou, A D / Panayotov, D / Petridis, A / Pikna, M / Pinsky, L / Pühlhofer, F / Reid, J G / Renfordt, R / Richard, A / Roland, C / Roland, G / Rybczyński, M / Rybicki, A / Sandoval, A / Sann, H / Schmitz, N / Seyboth, P / Siklér, F / Sitar, B / Skrzypczak, E / Stefanek, G / Stock, R / Ströbele, H / Susa, T / Szentpétery, I / Sziklai, J / Trainor, T A / Trubnikov, V / Varga, D / Vassiliou, M / Veres, G I / Vesztergombi, G / Vranić, D / Wetzler, A / Włodarczyk, Z / Yoo, I K / Zaranek, J / Zimányi, J

    Physical review letters

    2005  Volume 94, Issue 5, Page(s) 52301

    Abstract: Emission of pi+/-, K+/-, phi, and Lambda was measured in near-central C+C and Si+Si collisions at 158 AGeV beam energy. Together with earlier data for p+p, S+S, and Pb+Pb, the system-size dependence of relative strangeness production in nucleus-nucleus ... ...

    Abstract Emission of pi+/-, K+/-, phi, and Lambda was measured in near-central C+C and Si+Si collisions at 158 AGeV beam energy. Together with earlier data for p+p, S+S, and Pb+Pb, the system-size dependence of relative strangeness production in nucleus-nucleus collisions is obtained. Its fast rise and the saturation observed at about 60 participating nucleons can be understood as the onset of the formation of coherent systems of increasing size.
    Language English
    Publishing date 2005-02-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.94.052301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Evidence for an exotic S= -2, Q= -2 baryon resonance in proton-proton collisions at the CERN SPS.

    Alt, C / Anticic, T / Baatar, B / Barna, D / Bartke, J / Betev, L / Białkowska, H / Billmeier, A / Blume, C / Boimska, B / Botje, M / Bracinik, J / Bramm, R / Brun, R / Buncić, P / Cerny, V / Christakoglou, P / Chvala, O / Cramer, J G /
    Csató, P / Darmenov, N / Dimitrov, A / Dinkelaker, P / Eckardt, V / Farantatos, G / Filip, P / Flierl, D / Fodor, Z / Foka, P / Freund, P / Friese, V / Gál, J / Gaździcki, M / Georgopoulos, G / Gładysz, E / Hegyi, S / Höhne, C / Kadija, K / Karev, A / Kniege, S / Kolesnikov, V I / Kollegger, T / Korus, R / Kowalski, M / Kraus, I / Kreps, M / van Leeuwen, M / Lévai, P / Litov, L / Makariev, M / Malakhov, A I / Markert, C / Mateev, M / Mayes, B W / Melkumov, G L / Meurer, C / Mischke, A / Mitrovski, M / Molnár, J / Mrówczyński, St / Pálla, G / Panagiotou, A D / Panayotov, D / Perl, K / Petridis, A / Pikna, M / Pinsky, L / Pühlhofer, F / Reid, J G / Renfordt, R / Retyk, W / Roland, C / Roland, G / Rybczyński, M / Rybicki, A / Sandoval, A / Sann, H / Schmitz, N / Seyboth, P / Siklér, F / Sitar, B / Skrzypczak, E / Stefanek, G / Stock, R / Ströbele, H / Susa, T / Szentpétery, I / Sziklai, J / Trainor, T A / Varga, D / Vassiliou, M / Veres, G I / Vesztergombi, G / Vranić, D / Wetzler, A / Włodarczyk, Z / Yoo, I K / Zaranek, J / Zimányi, J

    Physical review letters

    2004  Volume 92, Issue 4, Page(s) 42003

    Abstract: Results of resonance searches in the Xi(-)pi(-), Xi(-)pi(+), Xi;(+)pi(-), and Xi;(+)pi(+) invariant mass spectra in proton-proton collisions at sqrt[s]=17.2 GeV are presented. Evidence is shown for the existence of a narrow Xi(-)pi(-) baryon resonance ... ...

    Abstract Results of resonance searches in the Xi(-)pi(-), Xi(-)pi(+), Xi;(+)pi(-), and Xi;(+)pi(+) invariant mass spectra in proton-proton collisions at sqrt[s]=17.2 GeV are presented. Evidence is shown for the existence of a narrow Xi(-)pi(-) baryon resonance with mass of 1.862+/-0.002 GeV/c(2) and width below the detector resolution of about 0.018 GeV/c(2). The significance is estimated to be above 4.2sigma. This state is a candidate for the hypothetical exotic Xi(--)(3/2) baryon with S=-2, I=3 / 2, and a quark content of (dsdsū). At the same mass, a peak is observed in the Xi(-)pi(+) spectrum which is a candidate for the Xi(0)(3/2) member of this isospin quartet with a quark content of (dsus[-]d). The corresponding antibaryon spectra also show enhancements at the same invariant mass.
    Language English
    Publishing date 2004-01-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.92.042003
    Database MEDical Literature Analysis and Retrieval System OnLINE

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