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Dive into the research topics where W. Gyles is active.

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Featured researches published by W. Gyles.


Physics Letters B | 1989

Full angular distribution of the analysing power in p elastic scattering at 697 MeV/c

R. Bertini; Miguel S. Costa; F. Perrot; H. Catz; A. Chaumeaux; J.-Cl. Faivre; E. Vercellin; J. Arvieux; J. Yonnet; B. van den Brandt; J. A. Konter; D. Gill; S. Mango; G. D. Wait; E. T. Boschitz; W. Gyles; W. List; C. Otterman; R. Tacik; M. Wessler; E. Descroix; J.Y. Grossiord; A. Guichard

Abstract Full angular distributions of the differential cross-section dσ/dμ and of the analysing power Ay in p p elastic scattering have been measured at 697 MeV/c. The results of Ay are compared with the predictions of various theoretical models.


Physics Letters B | 1991

Measurement of the analyzing power in elastic scattering at 439 and 544 MeV/c

F. Perrot; Kunne; R. Bertini; Miguel S. Costa; H. Catz; A. Chaumeaux; J.C. Faivre; E. Vercellin; J. Arvieux; J. Yonnet; B. van den Brandt; D. Gill; J. A. Konter; S. Mango; G. D. Wait; E. T. Boschitz; W. Gyles; W. List; C. Otterman; R. Tacik; M. Wessler

Abstract The angular distributions of the analyzing power Ay and of the differential cross section d σ/ d Ω in p p elastic scattering have been measured at 439 and 544 MeV/c. The results of Ay are compared with various theoretical models.


Physics Letters B | 1990

Isospin mixing of the 1+ doublet in 12C determined by low-energy pion scattering☆

J. Jaki; B.M. Barnett; H. Clement; W. Gyles; R.R. Johnson; C. Joram; W. Kluge; S. Krell; H. Matthäy; M. Metzler; D. Renker; R. Tacik; G.J. Wagner; C.A. Wiedner; U. Wiedner

With the Low Energy Pion Spectrometer (LEPS) at PSI the inelastic scattering of 50 MeV positive and negative pions to the 1+ excitations at 12.71 MeV (T = 0) and 15.11 MeV (T = 1) in 12C has been measured in the angular range 35°−105°. The angular distributions are in good agreement with impulse approximation calcculations. From the double ratio of the 1+ cross sections for π+ and π− scattering an isospin mixing matrix element of H01 = 157 ± 35 keV is derived. In contrast to a previous study of this reaction these results do not question the validity of the impulse approximation at low energies.


Physical Review C | 1988

Polarization observables in pi d

Wessler M; E. T. Boschitz; B. Brinkmöller; J. Bühler; H. Garcilazo; W. Gyles; W. List; Meier R; Ritt S; R. Tacik; Konter Ja; D. R. Gill; Mango S; Renker D; van den Brandt B; Wait G; Efimovykh Va; Kovalev Ai; Prokofiev An; Thiel W; Blankleider B

The composite spin observable


Physical Review C | 1989

Polarization observables in. pi. d-italic-arrow-right elastic scattering: Amplitude analysis

Humberto Garcilazo; E. T. Boschitz; W. Gyles; W. List; C. R. Ottermann; R. Tacik; M. Wessler

{\ensuremath{\tau}}_{22}


Physical Review C | 1988

Polarization observables in. pi. d-italic-arrow-right elastic scattering: Analyzing powers tau/sub 22/ and iT/sub 11/

C. R. Ottermann; E. T. Boschitz; Humberto Garcilazo; W. Gyles; W. List; R. Tacik; M. Wessler; S. Mango; B. van den Brandt; J. A. Konter

\ensuremath{\equiv}(


Physical Review C | 1989

Three Nucleon Pion Absorption in Carbon

R. Tacik; E. T. Boschitz; W. Gyles; W. List; C. R. Ottermann; M. Wessler; U. Wiedner; R.R. Johnson

{T}_{22}


Physical Review C | 1988

Energy dependence of T20 and tau 21 in pi d

G.R. Smith; D. R. Gill; D.C. Healey; D. Ottewell; G.D. Wait; P. Walden; R. R. Johnson; G. Jones; R. Olszewski; F. M. Rozon; R. Rui; Martin Sevior; R.P. Trelle; E. L. Mathie; G. J. Lolos; S.I.H. Naqvi; Pafilis; Stevenson Nr; Schubank Rb; W. Gyles; C. R. Ottermann; G. S. Kyle

+


Physical Review C | 1984

Vector analyzing power iT/sub 11/ in the. pi. d. -->. 2p reaction between 112 and 325 MeV

G.R. Smith; E. L. Mathie; E. T. Boschitz; C. R. Ottermann; W. Gyles; W. List; S. Mango; J. A. Konter; B. van den Brandt; R. Olszewski; R.R. Johnson

{T}_{20}


Physical Review C | 1987

Measurement of the tensor analyzing power T21in pi

G.R. Smith; D. R. Gill; D. Healey; D. Ottewell; Wait Gd; P. Walden; R.R. Johnson; G. Jones; R. Olszewski; F. M. Rozon; R. Rui; M. E. Sevior; R.P. Trelle; E. L. Mathie; G. J. Lolos; C. R. Ottermann; W. Gyles; G. S. Kyle

/ \ensuremath{\surd}6 ) has been measured at five incident pion energies between 134 and 294 MeV, in an angular range between 90\ifmmode^\circ\else\textdegree\fi{} and 170\ifmmode^\circ\else\textdegree\fi{}, using a tensor-polarized deuterium target. New, accurate data for the vector analyzing power

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E. T. Boschitz

Karlsruhe Institute of Technology

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R. Tacik

Karlsruhe Institute of Technology

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W. List

Karlsruhe Institute of Technology

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C. R. Ottermann

Karlsruhe Institute of Technology

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J. A. Konter

Paul Scherrer Institute

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S. Mango

Paul Scherrer Institute

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M. Wessler

Karlsruhe Institute of Technology

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Humberto Garcilazo

Instituto Politécnico Nacional

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R.R. Johnson

University of British Columbia

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