R
R. D. Appuhn
Researcher at Technical University of Dortmund
Publications - 78
Citations - 2085
R. D. Appuhn is an academic researcher from Technical University of Dortmund. The author has contributed to research in topics: Meson & Branching fraction. The author has an hindex of 24, co-authored 78 publications receiving 1987 citations.
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Journal ArticleDOI
Search for hadronic b→u decays
H. Albrecht,R. Gläser,G. Harder,A. Krüger,A. W. Nilsson,A. Nippe,T. Oest,M. Reidenbach,M. Schäfer,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,F. Sefkow,R. Wurth,R. D. Appuhn,A. Drescher,C. Hast,G. Herrera,Hermann Kolanoski,A. Lange,A. Lindner,Rainer Mankel,H. Scheck,G. Schweda,B. Spaan,A. Walther,D. Wegener,Manfred Paulini,K. Reim,U. Volland,H. Wegener,Wolfgang Funk,J. Stiewe,S. Werner,S. Ball,J. C. Gabriel,C. Geyer,A. Hölscher,Werner Hofmann,B. Holzer,S. Khan,John D. Spengler,C. E. K. Charlesworth,K. W. Edwards,William R. Frisken,H. Kapitza,P. Krieger,Robert K. Kutschke,D. B. Macfarlene,K. W. McLean,R. S. Orr,J. A. Parsons,P. M. Patel,J. D. Prentice,Sally Seidel,J. D. Swain,G. Tsipolitis,K. Tzamariudaki,T. S. Yoon,T. Ruf,Stefan Schael,K. R. Schubert,K. Strahl,R. Waldi,S. Weseler,B. Boštjančič,G. Kernel,P. Križan,E. Križnič,H. I. Cronström,Leif J. Jönsson,Anton Babaev,M. Danilo,B. Fominykh,A. Golutvin,I. V. Gorelov,V. Lubimov,A. Rostovtsev,A. Semenov,Sergey Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden +86 more
TL;DR: In this paper, a systematic analysis of B meson decays into pions has been performed for decay modes with 2−7 pions in the final state, and the upper limits obtained on various branching ratios are consistent with the current model predictions.
Journal ArticleDOI
Observation of Semileptonic Charmless B Meson Decays
H. Albrect,R. Gläser,G. Harder,A. Krüger,A. W. Nilsson,A. Nippe,T. Oest,M. Reidenbach,M. Schäfer,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,F. Sefkow,R. Wurth,R. D. Appuhn,A. Drescher,C. Hast,G. Herrera,Hermann Kolanoski,A. Lange,A. Lindner,Rainer Mankel,H. Scheck,G. Schweda,B. Spaan,A. Walther,D. Wegener,Manfred Paulini,K. Reim,U. Volland,H. Wegener,W. Funk,J. Stiewe,S. Werner,S. Ball,J. C. Gabriel,C. Geyer,A. Hölscher,Werner Hofmann,B. Holzer,S. Khan,John D. Spengler,C. E. K. Charlesworth,K. W. Edwards,William R. Frisken,H. Kapitza,P. Krieger,Robert K. Kutschke,D. B. Macfarlane,K. W. McLean,R. S. Orr,J. A. Parsons,P. M. Patel,J. D. Prentice,Sally Seidel,J. D. Swain,G. Tsipolitis,E. Tzamariudaki,T. S. Yoon,R. Davis,T. Ruf,Stefan Schael,K. R. Schubert,K. Strahl,R. Waldi,S. Weseler,B. Boštjančič,G. Kernel,P. Križan,E. Križnič,H. I. Cronström,Leif J. Jönsson,Anton Babaev,Mikhail Danilov,B. Fominykh,A. Golutvin,I. V. Gorelov,V. Lubimov,A. Rostovtsev,A. Semenov,Sergey Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden +87 more
TL;DR: In this paper, a detailed study of the lepton momentum spectrum in υ(4S) decays has been made using the ARGUS detector at the DORIS II e+e− storage ring at DESY.
Journal ArticleDOI
Exclusive hadronic decays of B mesons
H. Albrecht,H. Ehrlichmann,G. Harder,A. Krüger,A. Nau,A. W. Nilsson,A. Nippe,T. Oest,M. Reidenbach,M. Schäfer,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,F. Sefkow,R. Wurth,R. D. Appuhn,A. Drescher,C. Hast,G. Herrera,Hermann Kolanoski,A. Lange,A. Lindner,Rainer Mankel,H. Scheck,M. Schieber,G. Schweda,B. Spaan,A. Walther,D. Wegener,Manfred Paulini,K. Reim,U. Volland,H. Wegener,W. Funk,J. Stiewe,S. Werner,S. Ball,J. C. Gabriel,C. Geyer,A. Hölscher,Werner Hofmann,B. Holzer,S. Khan,John D. Spengler,Dave Britton,C. E. K. Charlesworth,K. W. Edwards,H. Kapitza,Peter Krieger,Robert K. Kutschke,D. B. MacFarlane,K. W. McLean,R. S. Orr,J. A. Parsons,P. M. Patel,J. D. Prentice,Sally Seidel,Georgios Tsipolitis,K. Tzamariudaki,T. S. Yoon,T. Ruf,Stefan Schael,K. R. Schubert,K. Strahl,R. Waldi,S. Weseler,B. Boštjančič,G. Kernel,P. Križan,E. Križnič,T. Živko,H. I. Cronström,Leif J. Jönsson,Anton Babaev,Mikhail Danilov,A. Droutskoy,B. Fominykh,A. Golutvin,I. V. Gorelov,Fedor Ratnikov,V. Lubimov,A. Rostovtsev,A. Semenov,Sergey Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden +90 more
TL;DR: In this article, the ARGUS detector at the DORIS II storage ring has measured B decays into exclusive final states containing aD orD* meson plus several pions, or containing aJ/ψ or ψ′ mesonplus a strange particle.
Journal ArticleDOI
A measurement of γγ→ϱ+ϱ−
H. Albrecht,P. Böckmann,R. Gläser,G. Harder,A. Krüger,A. Nippe,M. Reidenbach,M. Schäfer,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,F. Sefkow,J. Spengler,R. Wurth,A. Yagil,R. D. Appuhn,A. Drescher,C. Hast,D. Kamp,Hermann Kolanoski,A. Lindner,Rainer Mankel,U. Matthiesen,H. Scheck,G. Schweda,B. Spaan,A. Walther,D. Wegener,U. Volland,H. Wegener,W. Funk,J. C. Gabriel,J. Stiewe,S. Werner,C. E. K. Charlesworth,K. W. Edwards,William R. Frisken,H. Kapitza,Robert K. Kutschke,D. B. Macfarlane,K. W. McLean,A. W. Nilsson,R. S. Orr,J. A. Parsons,P. M. Patel,J. D. Prentice,Sally Seidel,J. D. Swain,G. Tsipolitis,T. S. Yoon,R. Ammar,S. Ball,D. Coppage,R. Davis,S. Kanekal,N. Kwak,T. Ruf,Stefan Schael,K. R. Schubert,K. Strahl,R. Waldi,B. Boštjančič,G. Kernel,P. Križan,E. Križnič,M. Pleško,H. I. Cronström,Leif J. Jönsson,Anton Babaev,Mikhail Danilov,B. Fominykh,A. Golutvin,I. V. Gorelov,V. Lubimov,A. Rostovtsev,A. Semenov,Sergey Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden,R. C. Fernholz +84 more
TL;DR: In this paper, the ARGUS detector at the e+e− storage ring DORIS II at DESY was used to study the γγ→ϱ+ϱ−→π+π−π 0π0π0 reaction.
Journal ArticleDOI
A measurement of the tau mass
H. Albrecht,H. Ehrlichmann,Thomas Hamacher,R. P. Hofmann,T. Kirchhoff,A. Nau,Sebastian Nowak,H. Schröder,H.D. Schulz,M. Walter,R. Wurth,R. D. Appuhn,C. Hast,Hermann Kolanoski,A. Lange,A. Lindner,R. Mankel,M. Schieber,T. Siegmund,B. Spaan,H. Thurn,D. Töpfer,A. Walther,D. Wegener,Manfred Paulini,K. Reim,H. Wegener,R. Mundt,T. Oest,R. Reiner,W. Schmidt-Parzefall,W. Funk,J. Stiewe,S. Werner,K. Ehret,Werner Hofmann,A. Hüpper,S. Khan,K. T. Knöpfle,J. Spengler,Dave Britton,C. E. K. Charlesworth,K. W. Edwards,E.R.F. Hyatt,H. Kapitza,P. Krieger,P. M. Patel,J. D. Prentice,P. R. B. Saull,K. Tzamariudaki,R. G. Van de Water,T. S. Yoon,D. Reβing,M. Schmidtler,Michael Schneider,K. R. Schubert,K. Strahl,R. Waldi,S. Weseler,G. Kernel,P. Križan,E. Križnič,T. Podobnik,T. Živko,H. I. Cronström,Leif J. Jönsson,Vladislav Balagura,Ivan Belyaev,M. Danilov,A. Droutskoy,A. Golutvin,I. Gorelov,G. Kostina,V. Lubimov,P. Murat,P. Pakhlov,F. Ratnikov,S. Semenov,V. Shibaev,V. Soloshenko,I. Tichomirov,Yu. Zaitsev +81 more
TL;DR: Using the ARGUS detector at the DORIS II storage ring, a new measurement of the mass of the τ lepton has been obtained using the tau pseudomass spectrum for decays of the type τ− → π−π−π+ντ as mentioned in this paper.