Measurement of the production rates of charged hadrons ine + e ?-annihilation at theZ 0

Abstract

The inclusive production rates of , K and p p i n Z 0 decays have been measured with the OPAL detector at LEP. Using the energy loss measurement in the jet chamber, the momentum range up to the beam energy (45.6 GeV/c) has been covered. Dierential cross sections and total particle yields are given. Comparisons of the inclusive momentum spectra and the total rates with predictions of the JETSET and the HERWIG Monte Carlo model are presented.

Logarithmic accuracy of angular-ordered parton showers

“…In order to tune the shower and light quark hadronization parameters we used data on jet rates and event shapes for centre-of-mass energies between 14 and 44 GeV [40][41][42][43], at LEP1 and SLD [42][43][44][45][46][47] and LEP2 [42,43,46,47], particle multiplicities [44,45] and spectra [44,45,[48][49][50][51][52][53][54][55][56][57][58][59][60] at LEP 1, identified particle spectra below the Υ(4S) from Babar [61], the charged particle multiplicity and distributions from [62][63][64][65][66][67] for centre-of-mass energies between 14 and 61 GeV, the charged particle multiplicity [68,69] and particle spectra [68,70,71] in light quark events at LEP1 and SLD, the charged particle multiplicity in light quark events at LEP2 [72,73], the cha...…”

Measurement of Charged Hadron Production in Z -Tagged Jets in Proton-Proton Collisions at s=8 TeV

“…Fragmentation function studies have been performed using inclusive hadron production at e þ e − colliders, which benefit from a simpler environment free of initial-state gluon radiation [5][6][7][8][9][10][11][12][13]. Semi-inclusive deep-inelastic-scattering measurements have also been used to constrain fragmentation functions at smaller values of Q 2 , the momentum transfer [14,15].…”

The Role of Hadronization Processes in Determination of Fragmentation Functions

“…In our global fit, we take SIA data from LEP [8][9][10][11], SLAC [2,12,13], DESY [14], and KEK [1,15] and SIDIS data from HERMES05 [16] and COMPASS [17,18]. The experimental data of Belle and BaBar collaborations are available at the scales of Q = 10.52 GeV and Q = 10.54 GeV, while the scales of the other SIA experimental data are from 29 GeV to 91.2 GeV and most of them are limited at Q = M Z .…”