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CERN Document Server Encontrados 23 registros  1 - 10siguientefinal  ir al registro: La búsqueda tardó 1.00 segundos. 
1.
A measurement of Λ polarization in inclusive production by Σ of 340-GeV/c in C and Cu targets / Adamovich, M I (LPI, Moscow (main)) ; Alexandrov, Yu A (LPI, Moscow (main)) ; Baranov, S P (LPI, Moscow (main)) ; Barberis, D (Genoa U. ; INFN, Genoa) ; Beck, M (Heidelberg, Max Planck Inst.) ; ́erat, C B (Grenoble, CEN) ; Beusch, W (CERN) ; Boss, M (Heidelberg U.) ; Brons, S (Heidelberg, Max Planck Inst.) ; Brückner, W (Heidelberg, Max Planck Inst.) et al. /WA89
We have measured the polarization of Λ hyperons produced inclusively by a Σ beam of 340 GeV/c momentum in nuclear targets. From a sample of 9.5 millions of identified Λ decays, polarizations were determined in the range xF>0.1 and pt1.6 GeV/c . [...]
2003 - 8 p. - Published in : Eur. Phys. J. C 32 (2004) 221-228
2.
Observation of a resonance in the Ksp decay channel at a mass of 1765 MeV/c2 / WA89 Collaboration
We report on the observation of a Ksp resonance signal at a mass of 1765±5 MeV/c2, with intrinsic width Γ=108±22 MeV/c2, produced inclusively in Σ-nucleus interactions at 340 GeV/c in the hyperon beam experiment WA89 at CERN. The signal was observed in the kinematic region xF>0.7, in this region its production cross section rises approximately linearly with (1xF), reaching BR(XKSp)dσ/dxF=(5.2±2.3)μb per nucleon at xF=0.8. [...]
hep-ex/0702044.- 2007 - 5 p. - Published in : Eur. Phys. J. C 50 (2007) 535-538 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/0702044 PDF
3.
Spectra and correlations of Λ and Λ̅ produced in 340-GeV/c Σ-+C and 260-GeV/c n+C interactions / Adamovich, M I (Moscow Lebedev Physics Institute) ; Walcher, C (Univ. Mainz) ; Wälder,G (Univ. Heidelberg) ; Werding, R (Max-Planck-Institut für Kernphysik, Heidelberg) ; Wittmann, E (Max-Planck-Institut für Kernphysik, Heidelberg) ; Zavertyaev, M V (Moscow Lebedev Physics Institute) ; Pochodzalla, J (Max-Planck-Institut für Kernphysik, Heidelberg) ; Potashnikova, I K (Max-Planck-Institut für Kernphysik, Heidelberg) ; Povh, B (Max-Planck-Institut für Kernphysik, Heidelberg) ; Ransome, R (Rutgers, Univ. New Jersey) et al.
2002 - Published in : Phys. Rev. C 65 (2002) 42202-42206 APS Published version, local copy: PDF;
4.
A measurement of Ξ polarization in inclusive production by Σ of 340 GeV/c in C and Cu targets / WA89 Collaboration
We have measured the polarization of Xi /sup -/ hyperons produced inclusively by a Sigma /sup -/ beam of 340 GeV/c momentum in nuclear targets. From a sample of 880000 identified Xi /sup -/ decays, polarizations were determined in the range 0<x/sub F/<0.9 and p/sub t /<or=1.6 GeV/c. [...]
2004 - Published in : Eur. Phys. J. C 36 (2004) 315-321
5.
Search for the pentaquark candidate Θ+(1540) in the hyperon beam experiment WA89 / WA89 Collaboration
We report on a high-statistics search for the \t1540 resonance in Σ-nucleus collisions at 340 \gevc1 . No evidence for this resonance was found in our data sample which contains 13 millions K0sπ+π decays above background. [...]
hep-ex/0510013.- 2005 - 5 p. - Published in : Phys. Rev. C 72 (2005) 055201 APS Published version, local copy: PDF; Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/0510013 PDF
6.
Search for the exotic Ξ(1860) Resonance in 340GeV/c Σ-Nucleus Interactions / WA89 Collaboration
We report on a high statistics search for the Ξ(1860) resonance in Σ-nucleus collisions at 340GeV/c. No evidence for this resonance is found in our data sample which contains 676000 Ξ candidates above background. [...]
hep-ex/0405042.- Geneva : CERN, 2004 - 5 p. - Published in : Phys. Rev. C 70 (2004) 022201 APS Published version, local copy: PDF; Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/0405042 PDF
7.
V0,Ξ and Ω inclusive production cross sections measured in hyperon experiment WA89 at CERN / WA89 Collaboration
We report on a measurement of the inclusive cross sections of Lambda , Lambda , K/sub S//sup 0/, Xi /sup +/and Omega /sup -/ production by Sigma /sup -/ and pi /sup -/ f 345 GeV/c momentum and by neutrons of 260 GeV/c mean momentum in copper and carbon. The differential cross sections as function of p/sub t//sup 2/ show a distinct non-gaussian behavior above 1.2 (GeV/c)/sup 2/. [...]
2003 - Published in : Eur. Phys. J. C 26 (2003) 357-370
8.
Production of Ξ resonances in Σ induced reactions at 345 GeV/c / WA89 Collaboration
We report on a measurement of the differential and total cross sections of inclusive production of Xi * resonances in Sigma /sup -/- nucleus collisions at 345 GeV/c. The cross section for inclusive Xi /sub 1530//sup 0/ production is about a factor of 5 below that of Xi /sub 1320//sup -/ hyperons. [...]
Geneva : CERN, 1999 - Published in : Eur. Phys. J. C 11 (1999) 271-8
9.
Charge asymmetries for D, Ds and Λc production in Σ -nucleus interactions at 340 GeV/c / WA89 Collaboration
CERN experiment WA89 has studied charmed particles produced by a Sigma /sup -/ beam at 340 GeV/c on nuclear targets. Production of particles which have light quarks in common with the beam is compared to production of those which do $9 not. [...]
1999 - Published in : Eur. Phys. J. C 8 (1999) 593-601
10.
Production of xi resonances in sigma induced reactions at 345 GeV/c / WA89 Collaboration
We report on a measurement of the differential and total cross sections of inclusive production of Xi resonances in Sigma - nucleus collisions at 345 GeV/c..
hep-ex/9907021.- 1999 - 11 p. - Published in : Eur. Phys. J. C 11 (1999) 271-278 Fulltext: PDF; External link: DURHAM

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