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Title: The production of {pi}{sup {+-}}, K{sup {+-}}, p, k{sup 0} and {Lambda}{sup 0} in hadronic Z{sup 0} decays

Conference ·
OSTI ID:106592
 [1]
  1. Rutgers-the State Univ., Piscataway, NJ (United States)

The authors have measured production fractions and spectra for {pi}{sup {+-}}, K{sup {+-}} and p, and production spectra for K{sup 0} and {Lambda}{sup 0} in both hadronic Z{sup 0} decays and a Z{sup 0} {yields} light quark (uds) subset at SLD. The SLD Cherenkov Ring Imaging Detector was used to identify charged hadrons. The CCD vertex detector was used to select the enriched uds sample. For the global sample, the results are consistent with previous experiments. The authors observe a clear flavor dependence in production spectra, but only a small effect in hadron fractions and {xi} = ln(1/x{sub p}) peak positions.

Research Organization:
Stanford Univ., CA (United States); Boston Univ., MA (United States). Dept. of Physics; California Institute of Technology (CalTech), Pasadena, CA (United States); California Univ., Santa Barbara, CA (United States); California Univ., Santa Cruz, CA (United States); Colorado State Univ., Fort Collins, CO (United States); Colorado Univ., Boulder, CO (United States); Univ. of Illinois at Urbana-Champaign, IL (United States); Univ. of California, Berkeley, CA (United States); Massachusetts Univ., Amherst, MA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Oregon Univ., Eugene, OR (United States). Inst. of Theoretical Science; University Coll. of North Wales, Bangor (United Kingdom). Dept. of Chemistry; Wisconsin Univ., Madison, WI (United States). Dept. of Physics; Yale Univ., New Haven, CT (United States). Dept. of Physics
Sponsoring Organization:
USDOE Office of Energy Research, Washington, DC (United States); National Science Foundation, Washington, DC (United States); Science and Engineering Research Council, Swindon (United Kingdom); Istituto Nazionale di Fisica Nucleare, Rome (Italy); Japan-US Cooperative Research Project on High Energy Physics, Nagoya (Japan)
DOE Contract Number:
AC03-76SF00515; FG02-91ER40676; FG03-92ER40701; FG03-91ER40618; FG03-92ER40689; FG03-93ER40788; FG02-91ER40672; FG02-91ER40677; AC03-76SF00098; FG02-92ER40715; AC02-76ER03069; FG06-85ER40224; FG05-91ER40627; AC02-76ER00881; FG02-92ER40704; FG02-93ER40807
OSTI ID:
106592
Report Number(s):
SLAC-PUB-95-6933; CONF-9503158-19; ON: DE95017368; BR: ?; 35KA02000; KA0101000; 35AB01000; CNN: Grant PHY-91-13428; Grant PHY-89-21320; Grant PHY-92-04239; Grant PHY-88-17930; Grant PHY-88-19316; Grant PHY-92-03212; TRN: 95:021967
Resource Relation:
Conference: Rencontres de Moriond on QCD and high energy interactions, Les Arcs (France), 11-26 Mar 1995; Other Information: PBD: Aug 1995
Country of Publication:
United States
Language:
English