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CERN Document Server 2,013 Datensätze gefunden  1 - 10nächsteEnde  gehen zum Datensatz: Die Suche hat 1.68 Sekunden gedauert. 
1.
(100)
Observation of an Exotic S = -2, Q = -2 Baryon Resonance in Proton-Proton Collisions at the CERN SPS / NA49 Collaboration
Results of resonance searches in the $\Xi^{-} \pi^{-}, \Xi^{-} \pi^{+}, \bar{Xi}^{+} \pi-$ and $\bar{Xi}^{+} \pi^{+}$ 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. [...]
hep-ex/0310014.- München : Max-Planck Inst., 2004 - 5 p. - Published in : Phys. Rev. Lett. 92 (2004) 042003 Access to fulltext document: PDF; External link: hep-ex/0310014 PDF
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2.
(91)
Evidence for an exotic S=-2, Q=-2 baryon resonance in proton-proton collisions at the CERN SPS / NA49 Collaboration
Results of resonance searches in the $\Xi^{-} \pi^{-}, \Xi^{-} \pi ^{+}, \bar{\Xi}^{+} \pi^{-}$, and $\bar{\Xi}^{+} \pi^{+}$ 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$\pm$0.002 GeV/$c^{2}$ and width below the detector resolution of about 0.018 GeV/$c^{2}$. [...]
hep-ex/0310014.- 2004 - 5 p. - Published in : Phys. Rev. Lett. 92 (2004) 042003/1-5 APS Published version, local copy: PDF; Fulltext: PDF;
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3.
(47)
Exotic baryon resonances in p + p interactions with the NA49 detector / Kadija, K (Rudjer Boskovic Inst., Zagreb, Croatia)
A search for baryon resonance states with exotic quantum numbers was performed in p+p interactions at 158 GeV beam energy with the large acceptance NA49 detector at the Cern SPS. A narrow $\Xi^-\pi^-$ baryon resonance with mass of 1.862 ± 0.002 GeV/c2 and width below the detector resolution of ≈0.018 GeV/c2 is observed. [...]
2004 - Published in : J. Phys. G 30 (2004) S1359-S1362
In : 17th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Oakland, CA, USA, 11 - 17 Jan 2004, pp.S1359-S1362
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4.
(34)
Multistrange Hyperon Production in Pb+Pb collisions at 30, 40, 80 and 158 A$\cdot$GeV / NA49 Collaboration
A non-monotonic energy dependence of the $K^{+} / \pi^{+}$ ratio with a sharp maximum close to 30 A$\cdot$GeV is observed in central Pb+Pb collisions. Within a statistical model of the early stage, this is interpreted as a sign of the phase transition to a QGP, which causes a sharp change in the energy dependence of the strangeness to entropy ratio. [...]
nucl-ex/0312022.- Geneva : CERN, 2004 - 3 p. - Published in : Prog. Part. Nucl. Phys. 53 (2004) 269-272 Access to fulltext document: PDF; External link: nucl-ex/0312022 PDF
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5.
(29)
Multi-strange baryon and antibaryon production sulphur-tungsten and proton-tungsten interactions at 200 GeV/c per nucleon / WA85 Collaboration
1991
In : 8th International Conference on Ultra-relativistic Nucleus-nucleus Collisions, Menton, France, 7 - 11 May 1990, pp.441c-444c
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6.
(29)
Observation of the charmed strange baryon decay $\Xi_{c}^{+} \rightarrow \Xi^{-}\pi^{+}\pi^{+}$ / Amsterdam-Bristol-CERN-Cracow-Munich(MPI)-Rutherford-Valencia Collaboration
CERN-EP-88-106. - 1988. - 8 p.
Fulltext - CERN library copies
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7.
(24)
Search for pentaquark states in Z decays / ALEPH Collaboration
Exotic hadrons made of five quarks (pentaquarks) are searched for in hadronic Z decays collected by the ALEPH detector at LEP. No significant signal is observed. [...]
2004 - Published in : Phys. Lett. B 599 (2004) 1-16
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8.
(24)
Hyperon production in 158 and 40 A GeV/c Pb-Pb and p-Be collisions from the NA57 experiment / NA57 Collaboration
The NA57 experiment at the CERN SPS has measured strange baryon and antibaryon production in Pb-Pb collisions with 158 and 40 $A$ GeV/$c$ beam momenta. Recent results on $\Lambda$ , $\Xi$ and $\Omega$ hyperon enhancements and from the transverse mass spectra analysis for the 158 $A$ GeV/$c$ data sample are presented. [...]
2004 - Published in : Nucl. Phys. A 364 (2004) 57-60
In : 8th International Conference on Nucleus-Nucleus Collisions, Moscow, Russian Federation, 17 - 21 Jun 2003, pp.57-60 (v.364)
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9.
(24)
Measurement of the mass and lifetime of the charmed strange baryon $\Xi_{c}^{+}$ in two new decay modes / Amsterdam-Bristol-CERN-Cracow-Munich(MPI)-Rutherford-Valencia Collaboration
CERN-EP-89-43. - 1989. - 17 p.
Fulltext - CERN library copies
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10.
(24)
Measurement of the mass and lifetime of the charmed strange baryon $\Xi_{c}^{+}$ / Amsterdam-Bristol-CERN-Cracow-Munich(MPI)-Rutherford-Valencia Collaboration
CERN-EP-89-145.- Geneva : CERN, 1989 - 13 p. - Published in : Phys. Lett. B 233 (1989) 522-529 Fulltext: PDF; - CERN library copies
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