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J. Hannappel

University of Bonn

Publication

Featured researches published by J. Hannappel.

European Physical Journal A | 2004

Measurement of \(\gamma p \rightarrow K^ + \Lambda\) and \(\gamma p \rightarrow K^ + \Sigma^0\) at photon energies up to 2.6 GeV

K.-H. Glander; J. Barth; W. Braun; J. Hannappel; N. Jöpen; F. Klein; E. Klempt; R. Lawall; J. Link; D. Menze; W. Neuerburg; M. Ostrick; E. Paul; I. Schulday; W. J. Schwille; H. v. Pee; F. W. Wieland; J. Wißkirchen; C. Wu

Abstract.The reactions

Physics Letters B | 1998

Measurement of γp→K+Λ and γp→K+Σ0 at photon energies up to 2 GeV

M.Q. Tran; J. Barth; C. Bennhold; M. Bockhorst; W. Braun; A. Budzanowski; G. Burbach; R. Burgwinkel; J. Ernst; K.-H. Glander; S. Goers; B. Guse; K.-M. Haas; J. Hannappel; K. Heinloth; K. Honscheid; T. Jahnen; N. Jöpen; H. Jüngst; H. Kalinowsky; U. Kirch; F. Klein; Friedrich Klein; E. Klempt; D. Kostrewa; A. Kozela; R. Lawall; L. Lindemann; J. Link; J. Manns

\gamma p \rightarrow K^ + \Lambda

European Physical Journal A | 2005

Measurement of the reaction γp → K0Σat photon energies up to 2.6 GeV⋆

R. Lawall; J. Barth; C. Bennhold; K.-H. Glander; S. Goers; J. Hannappel; N. Jöpen; F. Klein; E. Klempt; T. Mart; D. Menze; M. Ostrick; E. Paul; I. Schulday; W. J. Schwille; F. W. Wieland; C. Wu

and

Physics Letters B | 1998

Photoproduction of η′-mesons with the 4π-detector SAPHIR

R. Plotzke; F. Klein; A. Kozela; E. Paul; Friedrich Klein; J. Smyrski; H. van Pee; U. Thoma; L. Tiator; F. Wehnes; J. Hannappel; M.Q. Tran; B. Wiegers; E. Klempt; M. Ostrick; W. Braun; Henry G. Juengst; S. Goers; K.-H. Glander; J. Barth; F. W. Wieland; J. Wisskirchen; J. Link; I. Schulday; J. Ernst; M. Paganetti; H. Kalinowsky; U. Kirch; W.J. Schwille; R. Lawall

\gamma p \rightarrow K^ + \Sigma^0

Physical Review Letters | 2012

Well-established nucleon resonances revisited by double-polarization measurements.

A. Thiel; A. V. Anisovich; D. Bayadilov; B. Bantes; R. Beck; Y. A. Beloglazov; M. Bichow; S. Böse; K. T. Brinkmann; Th. Challand; Crede; F. Dietz; P. Drexler; H. Dutz; H. Eberhardt; D. Elsner; R. Ewald; K. Fornet-Ponse; S. Friedrich; F. Frommberger; Funke Ch; M. Gottschall; M. Grüner; E. Gutz; Hammann Ch; J. Hannappel; J. Hartmann; W. Hillert; P. Hoffmeister; Honisch Ch

were measured in the energy range from threshold up to a photon energy of 2.6 GeV. The data were taken with the SAPHIR detector at the electron stretcher facility, ELSA. Results on cross-sections and hyperon polarizations are presented as a function of the kaon production angle and the photon energy. The total cross-section for

Physics Letters B | 2013

Determination of the η′-nucleus optical potential

M. Nanova; V. Metag; E. Ya. Paryev; D. Bayadilov; B. Bantes; R. Beck; Y. A. Beloglazov; S. Böse; K. T. Brinkmann; Th. Challand; V. Crede; T. Dahlke; F. Dietz; P. Drexler; H. Eberhardt; D. Elsner; R. Ewald; K. Fornet-Ponse; S. Friedrich; F. Frommberger; Ch. Funke; M. Gottschall; A. Gridnev; M. Grüner; E. Gutz; Ch. Hammann; D. Hammann; J. Hannappel; J. Hartmann; W. Hillert

\Lambda

Physics Letters B | 2012

Anomaly in the K-S(0)Sigma(+) photoproduction cross section off the proton at the K* threshold

R. Ewald; B. Bantes; O. Bartholomy; D. Bayadilov; R. Beck; Y. A. Beloglazov; K. T. Brinkmann; V. Crede; H. Dutz; D. Elsner; K. Fornet-Ponse; F. Frommberger; Ch. Funke; A. Gridnev; E. Gutz; W. Hillert; J. Hannappel; P. Hoffmeister; I. Jaegle; O. Jahn; T. Jude; J. Junkersfeld; H. Kalinowsky; S. Kammer; V. Kleber; Frank Klein; Friedrich Klein; E. Klempt; B. Krusche; M. Lang

production rises steeply with energy close to threshold, whereas the

Physics Letters B | 1999

Measurement of γp→K0Σ+ at photon energies up to 1.55 GeV

S. Goers; J. Barth; C. Bennhold; M. Bockhorst; W. Braun; A. Budzanowski; R. Burgwinkel; J. Ernst; K.-H. Glander; J. Hannappel; N. Jöpen; H. Jüngst; H. Kalinowsky; U. Kirch; F. Klein; Friedrich Klein; E. Klempt; A. Kozela; R. Lawall; L. Lindemann; J. Link; T. Mart; D. Menze; W. Neuerburg; M. Paganetti; E. Paul; R. Plotzke; J. Scholmann; I. Schulday; M. Schumacher

\Sigma^0

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994

Design and construction of the SAPHIR detector

W.J. Schwille; M. Bockhorst; G. Burbach; R. Burgwinkel; J. Empt; B. Guse; K.‐M. Haas; J. Hannappel; K. Heinloth; T. Hey; K. Honscheid; T. Jahnen; H.P. Jakob; N. Jöpen; H. Jüngst; U. Kirch; Frank Klein; D. Kostrewa; L. Lindemann; J. Link; J. Manns; D. Menze; H. Merkel; R. Merkel; W. Neuerburg; E. Paul; R. Plötzke; U. Schenk; S. Schmidt; J. Scholmann

cross-section rises slowly to a maximum at about

Physics Letters B | 2015

The polarization observables T, P, and H and their impact on gamma p -< p pi(0) multipoles

J. Hartmann; H. Dutz; A. V. Anisovich; D. Bayadilov; R. Beck; M. Becker; Y. A. Beloglazov; A. Berlin; M. Bichow; S. Böse; K.-Th. Brinkmann; V. Crede; M. Dieterle; H. Eberhardt; D. Elsner; K. Fornet-Ponse; S. Friedrich; F. Frommberger; Ch. Funke; M. Gottschall; A. Gridnev; M. Grüner; S. Goertz; E. Gutz; Ch. Hammann; J. Hannappel; V. Hannen; J. Herick; W. Hillert; P. Hoffmeister

E_\gamma = 1.45

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