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Charm production and fragmentation in charged current DIS

✍ Scribed by S. Kretzer

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
434 KB
Volume
74
Category
Article
ISSN
0920-5632

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✦ Synopsis

In charged current deep inelastic scattering charm is dominantly produced in scattering events on strange quarks, thereby allowing for an experimental determination of the nucleon's strange sea density. A measurement of the energy spectrum of final state charm fragments (D-mesons) determines the charm fragmentation function at spacelike scales considerably below typical e+e-c.m.s. energies. NLO corrections to the naive s + c parton model production picture are important and well understood.

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✍ Stefan Hengstmann πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 246 KB

The rate of diffractive open charm production in DIS at HERA probes the gluonic content of the pomeron. The measured cross section a(ep -+ e(D\*Β±X)Y) is presented differentially as a function of observables exploring the dynamics of the process. The results are compared with a model based on a parto