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| Journal Article | PUBDB-2021-04164 |
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1985
Springer
Heidelberg
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Please use a persistent id in citations: doi:10.1007/BF01642477
Report No.: DESY-84-093
Abstract: Results onK0 and Λ production ine+e− annihilation at c.m. energies of 14, 22 and 34 GeV are presented. The shape of theK0 and Λ differential cross sections are very similar to each other and to those of π±,K± and\(p(\bar p)\). Scaling violations are observed forK0 production. We obtain a value for the probability to produce strange quark-antiquark pairs relative to that to produce up or down quark-antiquark pairs of 0.35±0.02±0.05. The value ofRh=σ(e+e-→hX)/σµµ is shown to rise steadily with c.m. energy for all particle species. At 34 GeV we find 1.48±0.05K0 and 0.31±0.03 Λ per event. We have searched for possible Λ polarization. The production ofK0's and Λ's in jets is examined as a function ofpT2 and rapidity and compared to that of all charged particles; the yields in two and three jets are also investigated. Results are presented from events with two baryons\((\Lambda ,\bar \Lambda ,por\bar p)\) observed.
Keyword(s): ELECTRON POSITRON: COLLIDING BEAMS ; COLLIDING BEAMS: ELECTRON POSITRON ; ELECTRON POSITRON: ANNIHILATION ; ANNIHILATION: ELECTRON POSITRON ; K0: ELECTROPRODUCTION ; ELECTROPRODUCTION: K0 ; LAMBDA: ELECTROPRODUCTION ; ELECTROPRODUCTION: LAMBDA ; DIFFERENTIAL CROSS SECTION ; SCALING: VIOLATION ; LAMBDA: POLARIZATION ; POLARIZATION: LAMBDA ; JET: ELECTROPRODUCTION ; ELECTROPRODUCTION: JET ; TRANSVERSE MOMENTUM ; SPECTRUM: RAPIDITY ; RAPIDITY: SPECTRUM ; YIELD: (STRANGE PARTICLE) ; TASSO ; EXPERIMENTAL RESULTS ; DESY PETRA STOR ; 14: 22: 34 GEV-CMS
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Preprint
A Detailed Study of Strange Particle Production in $e^+ e^-$ Annihilation at High-energy
[10.3204/PUBDB-2021-03792]
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