W
W. Meyer
Researcher at Ruhr University Bochum
Publications - 284
Citations - 10360
W. Meyer is an academic researcher from Ruhr University Bochum. The author has contributed to research in topics: Nucleon & Meson. The author has an hindex of 54, co-authored 278 publications receiving 9583 citations. Previous affiliations of W. Meyer include Argonne National Laboratory & University of Liverpool.
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Journal ArticleDOI
Intermediate resonance excitation in the gamma p -> p pi(0)pi(0) reaction
J Ahrens,S Altieri,Jrm Annand,Gisela Anton,HJ Arends,K. Aulenbacher,R Beck,C Bradtke,A Braghieri,N. Degrande,N. d'Hose,H Dutz,S Goertz,P. Grabmayr,Kurt Hansen,J. Harmsen,D von Harrach,S Hasegawa,T. Hasegawa,E. Heid,K. Helbing,H Holvoet,L. Van Hoorebeke,N Horikawa,Takahiro Iwata,O. Jahn,P. Jennewein,T. Kageya,B Kiel,F. Klein,R Kondratiev,K. Kossert,J. Krimmer,M. Lang,B Lannoy,R. Leukel,V Lisin,T. Matsuda,JC McGeorge,A. Meier,D. Menze,W. Meyer,T Michel,J. Naumann,A. Panzeri,P Pedroni,T Pinelli,I. Preobrajenski,I. Preobrajenski,E. Radtke,E. Reichert,G Reicherz,Ch. Rohlof,G Rosner,T. Rostomyan,D Ryckbosch,M. Sauer,B Schoch,M Schumacher,B Seitz,T. Speckner,N. Takabayashi,G. Tamas,A Thomas,R. Van de Vyver,A. Wakai,W. Weihofen,F. Wissmann,F. Zapadtka,G. Zeitler +69 more
TL;DR: In this paper, the helicity dependence of the total cross section for the (gamma) over right arrow(p) over p → p pi(0)pi(0), reaction has been measured for the first time at incident photon energies from 400 to 800 MeV.
Journal ArticleDOI
Helicity amplitudes A(1/2) and A(3/2) for the D-13(1520) resonance obtained from the (gamma)over-right-arrow(p)over-right-arrow -> p pi(0) reaction
J Ahrens,S Altieri,Jrm Annand,Gisela Anton,HJ Arends,K. Aulenbacher,R Beck,C Bradtke,A Braghieri,N Degrande,N. d'Hose,Dieter Drechsel,H Dutz,S Goertz,P. Grabmayr,Kurt Hansen,J. Harmsen,D von Harrach,S Hasegawa,T. Hasegawa,E. Heid,K. Helbing,H Holvoet,L. Van Hoorebeke,N Horikawa,Takahiro Iwata,O. Jahn,P. Jennewein,T. Kageya,S. S. Kamalov,B Kiel,F. Klein,R Kondratiev,K. Kossert,J. Krimmer,M. Lang,B Lannoy,R. Leukel,V Lisin,T. Matsuda,JC McGeorge,A. Meier,D. Menze,W. Meyer,T Michel,J. Naumann,A. Panzeri,P Pedroni,T Pinelli,I. Preobrajenski,E. Radtke,E. Reichert,G Reicherz,Ch. Rohlof,G Rosner,D Ryckbosch,M. Sauer,B Schoch,M Schumacher,B Seitz,T. Speckner,N. Takabayashi,G. Tamas,A Thomas,L Tiator,R. Van de Vyver,A. Wakai,W. Weihofen,F. Wissmann,F. Zapadtka,G. Zeitler +70 more
TL;DR: The helicity dependence of the gamma-->p-->-->-->ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV.
Journal ArticleDOI
Helicity AmplitudesA1/2andA3/2for theD13(1520)Resonance Obtained from theγ→p→→pπ0Reaction
J. Ahrens,Saverio Altieri,J. R. M. Annand,Gisela Anton,H. J. Arends,Kurt Aulenbacher,R. Beck,C. Bradtke,A. Braghieri,N. Degrande,N. d'Hose,Dieter Drechsel,H. Dutz,S. Goertz,P. Grabmayr,Kurt Hansen,J. Harmsen,D. von Harrach,S. Hasegawa,T. Hasegawa,E. Heid,K. Helbing,H. Holvoet,L. Van Hoorebeke,N. Horikawa,Takahiro Iwata,O. Jahn,P. Jennewein,T. Kageya,S. S. Kamalov,B. Kiel,Frank Klein,R. Kondratiev,K. Kossert,J. Krimmer,M. Lang,B. Lannoy,R. Leukel,V. Lisin,T. Matsuda,J. C. McGeorge,A. Meier,D. Menze,W. Meyer,Thilo Michel,J. Naumann,A. Panzeri,P. Pedroni,T. Pinelli,I. Preobrajenski,E. Radtke,E. Reichert,G. Reicherz,Ch. Rohlof,G Rosner,Dirk Ryckbosch,M. Sauer,B. Schoch,Martin Schumacher,B Seitz,T. Speckner,N. Takabayashi,G. Tamas,Andy Thomas,Lothar Tiator,R. Van de Vyver,A. Wakai,W. Weihofen,F. Wissmann,F. Zapadtka,G. Zeitler +70 more
TL;DR: In this paper, the helicity dependence of the photon-energy range from 550 to 790 MeV was measured for the first time in the photon energy range at the Mainz microtron MAMI.
Journal ArticleDOI
Final COMPASS results on the deuteron spin-dependent structure function $g_1^{\rm d}$ and the Bjorken sum rule
C. Adolph,M. Aghasyan,R. Akhunzyanov,M.G. Alexeev,G. D. Alexeev,A. Amoroso,V. Andrieux,V. Andrieux,Nikolay Anfimov,V. Anosov,Kamil Augsten,Kamil Augsten,W. Augustyniak,A. Austregesilo,C.D.R. Azevedo,B. Badełek,F. Balestra,Markus Ball,J. Barth,R. Beck,Y. Bedfer,Johannes Bernhard,Johannes Bernhard,K. Bicker,K. Bicker,E.R. Bielert,R. Birsa,Martin Bodlak,P. Bordalo,Franco Bradamante,C. Braun,Andrea Bressan,M. Büchele,W. C. Chang,C. Chatterjee,M. Chiosso,I. J. Choi,S.-U. Chung,Andres Cicuttin,Maria Liz Crespo,Q. Curiel,S. Dalla Torre,S.S. Dasgupta,S. Dasgupta,O.Yu. Denisov,L. Dhara,S. V. Donskov,Norihiro Doshita,Ch. Dreisbach,V. Duic,W. Dünnweber,Michal Dziewiecki,A.V. Efremov,P.D. Eversheim,W. Eyrich,M. A. Faessler,Andrea Ferrero,M. Finger,H. Fischer,C. Franco,N. du Fresne von Hohenesche,J.M. Friedrich,V. Frolov,V. Frolov,E. Fuchey,Fabrice Gautheron,O.P. Gavrichtchouk,S. Gerassimov,S. Gerassimov,J. Giarra,F. Giordano,I. Gnesi,M. Gorzellik,S. Grabmüller,A. Grasso,M. Grosse Perdekamp,B. Grube,T. Grussenmeyer,A. Guskov,F. Haas,D. Hahne,G. Hamar,D. von Harrach,F. H. Heinsius,R. Heitz,François Herrmann,N. Horikawa,N. d'Hose,C.-Y. Hsieh,S. Huber,S. Ishimoto,Andrew Ivanov,Yu. Ivanshin,Takahiro Iwata,V. Jary,R. Joosten,P. Jörg,E. M. Kabuß,A. Kerbizi,B. Ketzer,G.V. Khaustov,Yu.A. Khokhlov,Yu. Kisselev,F. Klein,K. Klimaszewski,J.H. Koivuniemi,V.N. Kolosov,K. Kondo,K. Königsmann,I. Konorov,I. Konorov,V.F. Konstantinov,Aram Kotzinian,O.M. Kouznetsov,M. Krämer,P. Kremser,F. Krinner,Z.V. Kroumchtein,Yakov Petrovich Kulinich,F. Kunne,K. Kurek,R.P. Kurjata,A.A. Lednev,A. Lehmann,M. Levillain,S. Levorato,Y.-S. Lian,J. Lichtenstadt,R. Longo,A. Maggiora,A. Magnon,Naomi C R Makins,Nour Makke,Gerhard K. Mallot,B. Marianski,Anne-Laure Martin,Janusz Marzec,Jan Matousek,H. Matsuda,T. Matsuda,G.V. Meshcheryakov,M. Meyer,M. Meyer,W. Meyer,Yu. V. Mikhailov,Mikhail Mikhasenko,E. Mitrofanov,N. Mitrofanov,Y. Miyachi,A. Nagaytsev,F. Nerling,D. Neyret,J. Nový,J. Nový,W.-D. Nowak,G. Nukazuka,A.S. Nunes,A.G. Olshevsky,I. Orlov,M. Ostrick,D. Panzieri,Bakur Parsamyan,Soumen Paul,Jen-Chieh Peng,F. Pereira,M. Pešek,D.V. Peshekhonov,N. Pierre,N. Pierre,S. Platchkov,J. Pochodzalla,V.A. Polyakov,J. Pretz,M. Quaresma,C. Quintans,S. Ramos,C. Regali,G. Reicherz,C. Riedl,M. Roskot,N.S. Rossiyskaya,D.I. Ryabchikov,Arseniy Rybnikov,A. Rychter,R. Salac,V.D. Samoylenko,A. Sandacz,Celso Augusto Guimarães Santos,S. Sarkar,I.A. Savin,T. Sawada,G. Sbrizzai,P. Schiavon,K. Schmidt,H. Schmieden,K. Schönning,E. Seder,Alexandr Selyunin,Laura Silva,L. Sinha,S. Sirtl,M. Slunecka,J. Smolik,A. Srnka,D. Steffen,D. Steffen,M. Stolarski,O. Subrt,O. Subrt,Miroslav Sulc,H. Suzuki,Adam Szabelski,T. Szameitat,P. Sznajder,S. Takekawa,M. Tasevsky,S. Tessaro,F. Tessarotto,F. Thibaud,A. Thiel,F. Tosello,V. Tskhay,S. Uhl,A. Vauth,J.F.C.A. Veloso,M. Virius,J. Vondra,S. Wallner,T. Weisrock,M. Wilfert,R. Windmolders,J. ter Wolbeek,K. Zaremba,P. Zavada,M. V. Zavertyaev,E. Zemlyanichkina,N. I. Zhuravlev,M. Ziembicki,A. Zink +238 more
TL;DR: In this paper, the deuteron double-spin asymmetry A1d and the longitudinal-spin structure function g1d are presented in bins of x and Q2 for the kinematic range 1(GeV/c)2 4GeV /c2 in the mass of the hadronic final state.
Journal ArticleDOI
Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region
J Ahrens,S Altieri,Jrm Annand,Gisela Anton,HJ Arends,K. Aulenbacher,R Beck,C Bradtke,A Braghieri,N Degrande,N. d'Hose,H Dutz,S Goertz,P. Grabmayr,Kurt Hansen,J. Harmsen,D von Harrach,S Hasegawa,T. Hasegawa,E. Heid,K. Helbing,H Holvoet,L. Van Hoorebeke,N Horikawa,Takahiro Iwata,O. Jahn,P. Jennewein,T. Kageya,B Kiel,F. Klein,R Kondratiev,K. Kossert,J. Krimmer,M. Lang,B Lannoy,R. Leukel,V Lisin,T. Matsuda,JC McGeorge,A. Meier,D. Menze,W. Meyer,T Michel,J. Naumann,A. Panzeri,P Pedroni,T Pinelli,I. Preobrajenski,E. Radtke,E. Reichert,G Reicherz,Ch. Rohlof,G Rosner,T. Rostomyan,C Rovelli,D Ryckbosch,M. Sauer,B Schoch,M Schumacher,B Seitz,T. Speckner,N. Takabayashi,G. Tamas,A Thomas,R. Van de Vyver,A. Wakai,W. Weihofen,F. Wissmann,F. Zapadtka,G. Zeitler +69 more
TL;DR: The helicity dependence of the total cross section for the (γ over right arrow(p) over right arrownpi(+) pi(0) reaction has been measured for the first time at incident photon energies from 400 to 800 MeV as mentioned in this paper.