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PRODUCTION CHARACTERISTICS OF K-0 AND LIGHT MESON RESONANCES IN HADRONIC DECAYS OF THE Z(0)

1995

An analysis of inclusive production of K0and the meson resonances K*±(892), ρ0(770), f0(975) and f2(1270) in hadronic decays of the Z0is presented, based on about 973,000 multihadronic events collected by the DELPHI detector at LEP during 1991 and 1992. Overall multiplicities have been determined as 1.962±0.060 K0mesons, 0.712±0.067 K*±(892) and 1.21±0.15ρ0(770) per hadronic Z0decay. The average multiplicities of f0(975) for scaled momentum, xp, in the range 0.05≤xp≤0.6 and of f2(1270) for 0.05≤xp≤1.0 are 0.098±0.016 and 0.170±0.043 respectively. The f0(975) and ρ0(770)xp-spectra have similar shapes. The f2(1270)/ρ0(770) ratio increases with xp. The average multiplicities…

Particle physicsMesonPhysics and Astronomy (miscellaneous)LUND MONTE-CARLOElectron–positron annihilationHadron01 natural sciencesJET FRAGMENTATION250 GEV/CPartícules (Física nuclear)Nuclear physics0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]multiplicityENERGY REGION010306 general physicsParton showerEngineering (miscellaneous)Detectors de radiacióDELPHI. inclusive production; K0 meson; multiplicity; MontecarloPhysicsRange (particle radiation)Momentum (technical analysis)010308 nuclear & particles physicsMultiplicity (mathematics)E+E-ANNIHILATIONINCLUSIVE PRODUCTIONZ0 DECAYSMontecarloParticle accelerationLUND MONTE-CARLO; E+E-ANNIHILATION; INCLUSIVE PRODUCTION; JET FRAGMENTATION; Z0 DECAYS; P INTERACTIONS; VECTOR-MESONS; ENERGY REGION; 250 GEV/C; 360 GEV/C360 GEV/CP INTERACTIONSK0 mesonDELPHI. inclusive productionVECTOR-MESONSParticle Physics - Experiment
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