Hadron fragmentation functions and leading particle effects in hadronic Z{sup 0} decays: New results from SLD
Conference
·
OSTI ID:532594
The authors have measured the differential cross sections for the production of {pi}{sup {+-}}, K{sup {+-}}, K{sup 0}, K*(892), {phi}(1,020), p and {Lambda} in hadronic Z{sup 0} decays and in subsets of flavor-tagged Z{sup 0} {yields} light quark (u{anti u}, d{anti d}, or s{anti s}), Z{sup 0} {yields} c{anti c} and Z{sup 0} {yields} b{anti b} events. Charged hadrons were identified with the SLD Cherenkov ring imaging detector. The vertex detector was employed to select flavor enriched samples and the polarized electron beam from SLC was used to tag quark and anti-quark jets. The authors observe a flavor dependence in the hadron fragmentation functions. The authors present evidence for leading particle production in hadronic decays of the Z{sup 0} boson to light-flavor jets and a direct measurement of the strangeness suppression factor {gamma}{sub s}.
- Research Organization:
- Stanford Linear Accelerator Center, Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 532594
- Report Number(s):
- SLAC-PUB--7516; CONF-970393--5; ON: DE97006959
- Country of Publication:
- United States
- Language:
- English
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