Properties of hadron final states in e<sup>+</sup>e<sup>-</sup> annihilation at 13 GeV and 17 GeV center of mass energies

R Brandelik; W Braunschweig; K Gather; B Jaax; V Kadansky; K Lübelsmeyer; HU Martyn; G Peise; J Rimkus; HG Sander; D Schmitz; A Schultz von Dratzig; D Trines; W Wallraff; H Boerner; HM Fischer; H Hartmann; E Hilger; W Hillen; G Knop; W Korbach; B Löhr; F Roth; W Rühmer; R Wedemeyer; N Wermes; M Wollstadt; R Bühring; D Heyland; H Hultschig; P Joos; W Koch; U Kötz; H Kowalski; A Ladage; D Lüke; HL Lynch; G Mikenberg; D Notz; J Pyrlik; R Riethmüller; M Schliwa; P Söding; BH Wiik; G Wolf; R Fohrmann; G Poelz; J Ringel; O Römer; R Rüsch; P Schmüser; DM Binnie; PJ Dornan; NA Downie; DA Garbutt; WG Jones; SL Lloyd; D Pandoulas; C Youngman; RJ Barlow; RJ Cashmore; J Illingworth; M Ogg; GL Salmon; KW Bell; W Chinowsky; B Foster; JC Hart; J Proudfoot; DR Quarrie; DH Saxon; PL Woodworth; Y Eisenberg; U Karshon; E Kogan; D Revel; E Ronat; A Shapira; J Freeman; P Lecomte; T Meyer; SL Wu; G Zobernig

doi:10.1016/0370-2693(79)90699-3

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Properties of hadron final states in e<sup>+</sup>e<sup>-</sup> annihilation at 13 GeV and 17 GeV center of mass energies

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Properties of hadron final states in e⁺e^- annihilation at 13 GeV and 17 GeV center of mass energies

R Brandelik, W Braunschweig, K Gather, B Jaax, V Kadansky, K Lübelsmeyer, HU Martyn, G Peise, J Rimkus, HG Sander, …

Physics Letters B, Vol.83(2), pp.261-266

07/05/1979

DOI: https://doi.org/10.1016/0370-2693(79)90699-3

Abstract

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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Title: Properties of hadron final states in e⁺e^- annihilation at 13 GeV and 17 GeV center of mass energies
Creators: R Brandelik
W Braunschweig
K Gather
B Jaax
V Kadansky
K Lübelsmeyer
HU Martyn
G Peise
J Rimkus
HG Sander
D Schmitz
A Schultz von Dratzig
D Trines
W Wallraff
H Boerner
HM Fischer
H Hartmann
E Hilger
W Hillen
G Knop
W Korbach
B Löhr
F Roth
W Rühmer
R Wedemeyer
N Wermes
M Wollstadt
R Bühring
D Heyland
H Hultschig
P Joos
W Koch
U Kötz
H Kowalski
A Ladage
D Lüke
HL Lynch
G Mikenberg
D Notz
J Pyrlik
R Riethmüller
M Schliwa
P Söding
BH Wiik
G Wolf
R Fohrmann
G Poelz
J Ringel
O Römer
R Rüsch
P Schmüser
DM Binnie
PJ Dornan
NA Downie
DA Garbutt
WG Jones
SL Lloyd
D Pandoulas
C Youngman
RJ Barlow
RJ Cashmore
J Illingworth
M Ogg
GL Salmon
KW Bell
W Chinowsky
B Foster
JC Hart
J Proudfoot
DR Quarrie
DH Saxon
PL Woodworth
Y Eisenberg
U Karshon
E Kogan
D Revel
E Ronat
A Shapira
J Freeman
P Lecomte
T Meyer
SL Wu
G Zobernig
Publication Details: Physics Letters B, Vol.83(2), pp.261-266
Date published: 07/05/1979
Date submitted: 17/05/2017
Identifiers: 99511103402346
Academic Unit: University of Surrey; School of Computer Science and Electronic Engineering
Resource Type: Journal article

Properties of hadron final states in e+e- annihilation at 13 GeV and 17 GeV center of mass energies

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Properties of hadron final states in e⁺e^- annihilation at 13 GeV and 17 GeV center of mass energies