Abstract
Inclusive measurements of momentum distributions of {pi}{sup {+-}}, K{sup {+-}} and panti p are presented from an analysis of approximately 145000 hadronic decays of the Z{sup 0} collected in 1990 with the OPAL detector at LEP. The rates of the charged hadrons are determined by simultaneous measurement of the momentum and the energy loss dE/d{chi} for each charged track. Fits to the dE/d{chi} distributions in several momentum bins are performed using 4 gaussian functions. From the entries under each of these 4 gaussians the rates for the most numerous charged particle types (e{sup {+-}}, {pi}{sup {+-}}+{mu}{sup {+-}}, K{sup {+-}} and panti p) are calculated and corrected for efficiency and other detector-dependent effects. With these rates the momentum distributions and the fragmentation functions for {pi}{sup {+-}}, K{sup {+-}} and panti p are derived and compared to Monte Carlo predictions. Good agreement is found with the JETSET model with the exception of low momentum protons. (orig.). [Deutsch] In der vorliegenden Arbeit wurde gezeigt, dass es moeglich ist, nur mit Hilfe des gemessenen Impulses und des Energieverlustes einer in der OPAL-Jetkammer registrierten Spur, Impulsverteilungen von verschiedenen geladenen Hadronen zu bestimmen. Die Daten wurden fuer geladene Pionen, geladene Kaonen and fuer Protonen/Antiprotonen gewonnen und
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Tesch, N.
Determination of the momentum distributions of charged hadrons from Z{sup 0} decays by means of dE/dx measurements in the jet chamber of the OPAL detector; Bestimmung der Impulsverteilungen geladener Hadronen aus Z{sup 0}-Zerfaellen mittels dE/dx-Messungen in der Jetkammer des OPAL-Detektors.
Germany: N. p.,
1991.
Web.
Tesch, N.
Determination of the momentum distributions of charged hadrons from Z{sup 0} decays by means of dE/dx measurements in the jet chamber of the OPAL detector; Bestimmung der Impulsverteilungen geladener Hadronen aus Z{sup 0}-Zerfaellen mittels dE/dx-Messungen in der Jetkammer des OPAL-Detektors.
Germany.
Tesch, N.
1991.
"Determination of the momentum distributions of charged hadrons from Z{sup 0} decays by means of dE/dx measurements in the jet chamber of the OPAL detector; Bestimmung der Impulsverteilungen geladener Hadronen aus Z{sup 0}-Zerfaellen mittels dE/dx-Messungen in der Jetkammer des OPAL-Detektors."
Germany.
@misc{etde_10143437,
title = {Determination of the momentum distributions of charged hadrons from Z{sup 0} decays by means of dE/dx measurements in the jet chamber of the OPAL detector; Bestimmung der Impulsverteilungen geladener Hadronen aus Z{sup 0}-Zerfaellen mittels dE/dx-Messungen in der Jetkammer des OPAL-Detektors}
author = {Tesch, N}
abstractNote = {Inclusive measurements of momentum distributions of {pi}{sup {+-}}, K{sup {+-}} and panti p are presented from an analysis of approximately 145000 hadronic decays of the Z{sup 0} collected in 1990 with the OPAL detector at LEP. The rates of the charged hadrons are determined by simultaneous measurement of the momentum and the energy loss dE/d{chi} for each charged track. Fits to the dE/d{chi} distributions in several momentum bins are performed using 4 gaussian functions. From the entries under each of these 4 gaussians the rates for the most numerous charged particle types (e{sup {+-}}, {pi}{sup {+-}}+{mu}{sup {+-}}, K{sup {+-}} and panti p) are calculated and corrected for efficiency and other detector-dependent effects. With these rates the momentum distributions and the fragmentation functions for {pi}{sup {+-}}, K{sup {+-}} and panti p are derived and compared to Monte Carlo predictions. Good agreement is found with the JETSET model with the exception of low momentum protons. (orig.). [Deutsch] In der vorliegenden Arbeit wurde gezeigt, dass es moeglich ist, nur mit Hilfe des gemessenen Impulses und des Energieverlustes einer in der OPAL-Jetkammer registrierten Spur, Impulsverteilungen von verschiedenen geladenen Hadronen zu bestimmen. Die Daten wurden fuer geladene Pionen, geladene Kaonen and fuer Protonen/Antiprotonen gewonnen und mit Monte Carlo - Daten vergelichen, die mit dem JETSET 7.2 - Generator und den Generatoren HERWIG 4.3, 4.6 and 5.0 erzeugt wurden. Fuer die Zusammenfassung der Ergebnisse bietet sich eine Unterteilung in 3 Impulsbereiche an. orig./HSI).}
place = {Germany}
year = {1991}
month = {Dec}
}
title = {Determination of the momentum distributions of charged hadrons from Z{sup 0} decays by means of dE/dx measurements in the jet chamber of the OPAL detector; Bestimmung der Impulsverteilungen geladener Hadronen aus Z{sup 0}-Zerfaellen mittels dE/dx-Messungen in der Jetkammer des OPAL-Detektors}
author = {Tesch, N}
abstractNote = {Inclusive measurements of momentum distributions of {pi}{sup {+-}}, K{sup {+-}} and panti p are presented from an analysis of approximately 145000 hadronic decays of the Z{sup 0} collected in 1990 with the OPAL detector at LEP. The rates of the charged hadrons are determined by simultaneous measurement of the momentum and the energy loss dE/d{chi} for each charged track. Fits to the dE/d{chi} distributions in several momentum bins are performed using 4 gaussian functions. From the entries under each of these 4 gaussians the rates for the most numerous charged particle types (e{sup {+-}}, {pi}{sup {+-}}+{mu}{sup {+-}}, K{sup {+-}} and panti p) are calculated and corrected for efficiency and other detector-dependent effects. With these rates the momentum distributions and the fragmentation functions for {pi}{sup {+-}}, K{sup {+-}} and panti p are derived and compared to Monte Carlo predictions. Good agreement is found with the JETSET model with the exception of low momentum protons. (orig.). [Deutsch] In der vorliegenden Arbeit wurde gezeigt, dass es moeglich ist, nur mit Hilfe des gemessenen Impulses und des Energieverlustes einer in der OPAL-Jetkammer registrierten Spur, Impulsverteilungen von verschiedenen geladenen Hadronen zu bestimmen. Die Daten wurden fuer geladene Pionen, geladene Kaonen and fuer Protonen/Antiprotonen gewonnen und mit Monte Carlo - Daten vergelichen, die mit dem JETSET 7.2 - Generator und den Generatoren HERWIG 4.3, 4.6 and 5.0 erzeugt wurden. Fuer die Zusammenfassung der Ergebnisse bietet sich eine Unterteilung in 3 Impulsbereiche an. orig./HSI).}
place = {Germany}
year = {1991}
month = {Dec}
}