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Träfflista för sökning "WFRF:(Dy B) srt2:(2005-2009)"

Sökning: WFRF:(Dy B) > (2005-2009)

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1.
  • Adcox, K, et al. (författare)
  • Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX Collaboration
  • 2005
  • Ingår i: Nuclear Physics, Section A. - : Elsevier BV. - 0375-9474. ; 757:1-2, s. 184-283
  • Forskningsöversikt (refereegranskat)abstract
    • Extensive experimental data from high-energy nucleus-nucleus collisions were recorded using the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The comprehensive set of measurements from the first three years of RHIC operation includes charged particle multiplicities, transverse energy, yield ratios and spectra of identified hadrons in a wide range of transverse momenta (PT), elliptic flow, two-particle correlations, nonstatistical fluctuations, and suppression of particle production at high PT. The results are examined with an emphasis on implications for the formation of a new state of dense matter. We find that the state of matter created at RHIC cannot be described in terms of ordinary color neutral hadrons.
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2.
  • Adler, SS, et al. (författare)
  • Improved measurement of double helicity asymmetry in inclulsive midrapidity pi(0) production for polarized p+p collisions at root s=200 GeV
  • 2006
  • Ingår i: Physical Review D (Particles, Fields, Gravitation and Cosmology). - 1550-2368. ; 73:9
  • Tidskriftsartikel (refereegranskat)abstract
    • We present an improved measurement of the double helicity asymmetry for pi(0) production in polarized proton-proton scattering at root s=200 GeV employing the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The improvements to our previous measurement come from two main factors: Inclusion of a new data set from the 2004 RHIC run with higher beam polarizations than the earlier run and a recalibration of the beam polarization measurements for the earlier run, which resulted in reduced uncertainties and increased beam polarizations. The results are compared to a Next to Leading Order (NLO) perturbative Quantum Chromodynamics (pQCD) calculation with a range of polarized gluon distributions.
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  • Arve, K, et al. (författare)
  • Analysis of the state and size of silver on alumina in effective removal of NOx from oxygen rich exhaust gas
  • 2006
  • Ingår i: Journal of Nanoscience and Nanotechnology. - : American Scientific Publishers. - 1533-4880 .- 0000-0000. ; 6:4, s. 1076-1083
  • Tidskriftsartikel (refereegranskat)abstract
    • Ag/alumina catalysts with different silver contents for octane-SCR were prepared by impregnation and incipient wetness methods. Activity tests revealed that the decisive factor for high activity is not only a high dispersion of silver, but also the ability of the system to redisperse clustered silver. Determination of dispersion by TEM/HAADF and O-2-chemisorption experiments resulted in values close to each other even if the results were not directly comparable. This is suggested to be due to not complete silver reduction below 700 degrees C and the samples being very heterogeneous in terms of particle size, e.g., having a bimodal size distribution. Small charged Ag-n(delta+) clusters containing 2-8 silver atoms highly prevailed in the samples containing < 2 wt% Ag and exhibiting high octane-SCR activity In highly loaded Ag/alumina samples or those reduced and reoxidized at high temperature (> 400 degrees C), large metallic particles are stabilized, resulting in poor conversion of NOx to N-2.
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10.
  • Van Cauwenberge, P, et al. (författare)
  • Does rhinitis lead to asthma?
  • 2007
  • Ingår i: Rhinology. - 0300-0729. ; 45:2, s. 112-121
  • Tidskriftsartikel (refereegranskat)
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