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Featured researches published by A. T. Watson.


European Physical Journal C | 1990

Strange meson production ine+e− annihilation

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; F. Barreiro; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines

AbstractThe full TASSO data have been used to study the inclusive production of strange mesons ine+e− annihilations. Differential and total cross sections have been measured in the centre of mass energy range 14 to 44 GeV forK0,n


European Physical Journal C | 1987

A study of Energy-Energy correlations between 12 and 46.8 GeV C.M. Energies

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; P. Rosskamp; B. Bock; J. Eisenmann; H. M. Fischer; H. Hartmann; E. Hilger; A. Jocksch; V. Mertens; R. Wedemeyer; B. Foster; A. J. Martin; A. J. Sephton; F. Barreiro; E. Bernardi; J. J. Chwastowski; Y. Eisenberg; A. Eskreys; K. Gather; H. Hultschig; K. Genser; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig


European Physical Journal A | 1988

A Study of Bhabha Scattering at {PETRA} Energies

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; P. Rosskamp; B. Bock; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; V. Mertens; R. Wedemeyer; B. Foster; A. J. Martin; A. J. Sephton; F. Barreiro; E. Bernardi; J. J. Chwastowski; Y. Eisenberg; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig

bar K^0


European Physical Journal A | 1989

Production and decay of charmed mesions ine+e− annihilation at\(\sqrt s > 28\)

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak


European Physical Journal C | 1988

A search for particles with magnetic charge produced ine+e− annihilations at 543-1543-1543-1GeV

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; P. Rosskamp; B. Bock; J. Eisenmann; H. M. Fischer; H. Hartmann; E. Hilger; A. Jocksch; V. Mertens; R. Wedemeyer; B. Foster; A. J. Martin; A. J. Sephton; E. Bernardi; J. J. Chwastowski; Y. Eisenberg; A. Eskreys; K. Gather; H. Hultschig; K. Genser; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; A. Montag

n and 34.5 to 44 GeV forK*± (892). We have investigated the strange meson production properties in jets by studying the rapidity andpt2 distributions as well as the evolution of the multiplicities as a function of the event sphericity. We find no evidence that the strange meson yields increase with increasing sphericity faster than the total charged multiplicity.


European Physical Journal C | 1990

Experimental study of the orientation of three-jet events ine+e− annihilation at PETRA

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; F. Barreiro; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; J. G. Körner; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros

AbstractWe present data on energy-energy correlations (EEC) and their related asymmetry (AEEC) ine+e− annihilation in the centre of mass energy range 12<W≦46.8 GeV. The energy and angular dependence of the EEC in the central region is well described byOαs2 QCD plus a fragmentation term proportional ton


European Physical Journal C | 1990

Measurement of the asymmetry ofb quark production ine+e− annihilation at\(\sqrt s = 35 GeV\)

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak; G. Wolf


Physical Review Letters | 1987

A measurement of theDs lifetime

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; P. Rosskamp; B. Bock; J. Eisenmann; H. M. Fischer; H. Hartmann; E. Hilger; A. Jocksch; V. Mertens; R. Wedemeyer; B. Foster; A. J. Martin; A. J. Sephton; E. Bernardi; Y. Eisenberg; A. Eskreys; K. Gather; H. Hultschig; K. Genser; P. Joos; U. Karshon; B. Klima; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig

{1 mathord{left/ {vphantom {1 {sqrt s }}} right. kern-nulldelimiterspace} {sqrt s }}


European Physical Journal C | 1990

Experimental study of the orientation of three-jet events in e + e -

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; Andre Martin; F. Barreiro; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; J. G. Körner; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; Dieter Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros


European Physical Journal C | 1990

Measurement of the asymmetry of b quark production in e + e -

W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; Hans Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; Alain J. Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; Dieter Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak; G. Wolf

n. BareO(α)s2 QCD reproduces our data for the large angle region of the AEEC. Nonperturbative effects for the latter are estimated with the help of fragmentation models. From various analyses using different approximations, we find that values forn

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B. Foster

University of Hamburg

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R. Gerhards

RWTH Aachen University

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