Measurement of the charm production in {γγ [gammagamma] interactions at LEP [Elektronische Ressource] / vorgelegt von An Bang Ngac

Measurement of the Charm Productionin Interactions at LEPDISSERTATIONzur Erlangung des Gradeseines Doktors der Naturwissenschaftenvorgelegt vonDipl.-Phys. An Bang Ngacaus Hanoi, Vietnameingereicht beim Fachbereich 7der Universit at SiegenSiegen 2003Gutachter der Dissertation: Priv. Doz. Armin B ohrerProf. Dr. Claus GrupenDatum der Disputation: 14. M arz 2003Internetpublikation der Universit atsbibliotek Siegen:Uniform Resource Name: urn:nbn:de:hbz:467-392CONTENTSContents1 Introduction .............................................................. 12 Two-Photon Interactions and Heavy Flavour Production..................... 32.1 Two-Photon Interactions 32.1.1 The Photon 32.1.2 Two-Photon Interactions 52.1.3 Two-photon Physics at LEP 72.2 Heavy Flavour Production in Collisions 112.2.1 QCD Models for Heavy Quark Production 112.2.2 Total Cross Section 12+2.2.3 Charm Quark Identi cation via D -tagging 132.3 Monte Carlo Generation 153 The ALEPH Detector at LEP.............................................. 173.1 The LEP Collider 173.2 The ALEPH Detector at LEP 173.2.1 Tracking Subdetectors 193.2.2 Calorimeters 193.2.3 Muon Chambers 193.2.4 Luminosity and Beam Monitoring 193.2.5 Triggering 203.2.6 Energy-Flow Objects 203.2.7 Detector Simulation 204 Inclusive D Production in Two-Photon Events ............................ 214.1 Two-Photon Events Selection 214.2 D Meson Selection 26+4.2.1 D Meson Reconstruction 264.2.