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Träfflista för sökning "WFRF:(Karlsson ML) srt2:(2000-2004)"

Sökning: WFRF:(Karlsson ML) > (2000-2004)

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1.
  • Abreu, P, et al. (författare)
  • b-tagging in DELPHI at LEP
  • 2004
  • Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 32:2, s. 185-208
  • Tidskriftsartikel (refereegranskat)abstract
    • The standard method used for tagging b-hadrons in the DELPHI experiment at the CERN LEP Collider is discussed in detail. The main ingredient of b-tagging is the impact parameters of tracks, which relies mostly on the vertex detector. Additional information, such as the mass of particles associated to a secondary vertex, significantly improves the selection efficiency and the background suppression. The paper describes various discriminating variables used for the tagging and the procedure of their combination. In addition, applications of b-tagging to some physics analyses, which depend crucially on the performance and reliability of b-tagging, are described briefly.
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3.
  • Xiong, Y, et al. (författare)
  • Aquabis(3,5-dimethyl-1H-pyrazole-kappa N-2)(malonato-kappa O-2,O ')copper(II) dihydrate
  • 2001
  • Ingår i: Acta Crystallographica. Section C: Crystal Structure Communications. - 0108-2701. ; 57, s. 1385-1387
  • Tidskriftsartikel (refereegranskat)abstract
    • In the neutral title complex, [Cu(C3H2O4)(C5H8N2)(2-)(H2O)]. 2H(2)O or [Cu(mal)(dmp)(2)(H2O)]. 2H(2)O (mal is malonate and dmp is 3,5-dimethyl-1H-pyrazole), the Cu-II ion, in a slightly distorted square-pyramidal geometry, is coordinated by two O atoms of the bidentate malonate, the O atom of the water ligand and two N atoms from the two 3,5-dimethylpyrazole ligands. The mean Cu-N bond length is 2.007 (6) Angstrom, longer than the Cu-O-mal bonds [1.950 (5) Angstrom]. The apical position is occupied by a relatively strongly coordinated water molecule [Cu-O-water 2.288 (5) Angstrom]. The crystal structure is characterized by the layer motif of a hydrogen-bonded network.
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