PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES

We have observed e+e- hadrons at C.M. energies of 13 GeV and 17 GeV at PETRA using the TASSO detector. We find R(13 GeV) = 5.6 ± 0.7 and R(17 GeV) = 4.0 ± 0.7. The additional systematic uncertainty is 20%. Comparing inclusive charged hadron spectra we observe scaling between 5 GeV and 17 GeV for x =...

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Main Authors: Brandelik, R, Braunschweig, W, Gather, K, Jaax, B, Kadansky, V, Lubelsmeyer, K, Martyn, H, Peise, G, Rimkus, J, Sander, H, Schmitz, D, Schultzvondratzig, A, Trines, D, Wallraff, W, Boerner, H, Fischer, H, Hartmann, H, Hilger, E, Hillen, W, Knop, G, Korbach, W, Lohr, B, Roth, F, Ruhmer, W, Wedemeyer, R
Format: Journal article
Language:English
Published: 1979
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author Brandelik, R
Braunschweig, W
Gather, K
Jaax, B
Kadansky, V
Lubelsmeyer, K
Martyn, H
Peise, G
Rimkus, J
Sander, H
Schmitz, D
Schultzvondratzig, A
Trines, D
Wallraff, W
Boerner, H
Fischer, H
Hartmann, H
Hilger, E
Hillen, W
Knop, G
Korbach, W
Lohr, B
Roth, F
Ruhmer, W
Wedemeyer, R
author_facet Brandelik, R
Braunschweig, W
Gather, K
Jaax, B
Kadansky, V
Lubelsmeyer, K
Martyn, H
Peise, G
Rimkus, J
Sander, H
Schmitz, D
Schultzvondratzig, A
Trines, D
Wallraff, W
Boerner, H
Fischer, H
Hartmann, H
Hilger, E
Hillen, W
Knop, G
Korbach, W
Lohr, B
Roth, F
Ruhmer, W
Wedemeyer, R
author_sort Brandelik, R
collection OXFORD
description We have observed e+e- hadrons at C.M. energies of 13 GeV and 17 GeV at PETRA using the TASSO detector. We find R(13 GeV) = 5.6 ± 0.7 and R(17 GeV) = 4.0 ± 0.7. The additional systematic uncertainty is 20%. Comparing inclusive charged hadron spectra we observe scaling between 5 GeV and 17 GeV for x = p/pbeam > 0.2; however the 13 GeV cross section is above the 17 GeV cross section for smaller x. This may be due to copious bb̄ production. The events become increasingly jet like at high energies as evidenced by a shrinking sphericity distribution with increasing energy. © 1979.
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spelling oxford-uuid:878048e7-8fe3-461d-a6e9-ba2197f9d7782022-03-26T22:11:07ZPROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIESJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:878048e7-8fe3-461d-a6e9-ba2197f9d778EnglishSymplectic Elements at Oxford1979Brandelik, RBraunschweig, WGather, KJaax, BKadansky, VLubelsmeyer, KMartyn, HPeise, GRimkus, JSander, HSchmitz, DSchultzvondratzig, ATrines, DWallraff, WBoerner, HFischer, HHartmann, HHilger, EHillen, WKnop, GKorbach, WLohr, BRoth, FRuhmer, WWedemeyer, RWe have observed e+e- hadrons at C.M. energies of 13 GeV and 17 GeV at PETRA using the TASSO detector. We find R(13 GeV) = 5.6 ± 0.7 and R(17 GeV) = 4.0 ± 0.7. The additional systematic uncertainty is 20%. Comparing inclusive charged hadron spectra we observe scaling between 5 GeV and 17 GeV for x = p/pbeam > 0.2; however the 13 GeV cross section is above the 17 GeV cross section for smaller x. This may be due to copious bb̄ production. The events become increasingly jet like at high energies as evidenced by a shrinking sphericity distribution with increasing energy. © 1979.
spellingShingle Brandelik, R
Braunschweig, W
Gather, K
Jaax, B
Kadansky, V
Lubelsmeyer, K
Martyn, H
Peise, G
Rimkus, J
Sander, H
Schmitz, D
Schultzvondratzig, A
Trines, D
Wallraff, W
Boerner, H
Fischer, H
Hartmann, H
Hilger, E
Hillen, W
Knop, G
Korbach, W
Lohr, B
Roth, F
Ruhmer, W
Wedemeyer, R
PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES
title PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES
title_full PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES
title_fullStr PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES
title_full_unstemmed PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES
title_short PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES
title_sort properties of hadron final states in e e annihilation at 13 gev and 17 gev center of mass energies
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