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Träfflista för sökning "WFRF:(Vogt R) srt2:(2000-2004)"

Sökning: WFRF:(Vogt R) > (2000-2004)

  • Resultat 1-5 av 5
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1.
  • Giele, Walter, et al. (författare)
  • The QCD / SM working group: Summary report
  • 2002
  • Ingår i: Physics at TeV colliders. Proceedings, Euro Summer School, Les Houches, France, May 21-June 1, 2001. ; , s. 275-426, s. 275-426
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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2.
  • Fruke, R., et al. (författare)
  • Imaging of a laser plasma source at 13 nm wavelength approaching submicrometer resolution
  • 2003
  • Ingår i: Journal de Physique IV. - : EDP Sciences. - 1155-4339 .- 1764-7177. ; 104, s. 153-156
  • Tidskriftsartikel (refereegranskat)abstract
    • Radiation in the extreme ultraviolet (EUV) spectral range is of interest for lithography and microscopy. Laser produced plasmas are sources for this kind of radiation. For successful usage it is necessary to study the source properties like size, stability and emitted spectra. For the spatial characterization of such a source a beamline was built up. The source was imaged at 13, 15 and 17 nm wavelength and at different laser energies with a resolution of better than 2 mum. As target material ethanol was used which was excited by a frequency-doubled Nd:YAG laser (lambda=532 nm; 3 ns, 30 Hz). The source was mapped with a zone plate (KZP5: d=2500 mum, Deltar(n)=0,523 mum). With a magnification of 61 the images were taken with a thinned back-illuminated CCD. Additionally a periodic structure was mapped with micrometer resolution, too.
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5.
  • Klein, SR, et al. (författare)
  • Heavy quark photoproduction in ultraperipheral heavy ion collisions
  • 2002
  • Ingår i: Physical Review C (Nuclear Physics). - 0556-2813. ; 66:4
  • Tidskriftsartikel (refereegranskat)abstract
    • Heavy quarks are copiously produced in ultraperipheral heavy ion collisions. In the strong electromagnetic fields, c (c) over bar and b (b) over bar are produced by photonuclear and two-photon interactions. Hadroproduction can also occur in grazing interactions. We calculate the total cross sections and the quark transverse momentum and rapidity distributions, as well as the Q (Q) over bar invariant mass spectra from the three production channels. We consider AA and pA collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider. We discuss techniques for separating the three processes and describe how the AA to pA production ratios might be measured accurately enough to study nuclear shadowing.
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  • Resultat 1-5 av 5

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