J
J. A. Parsons
Researcher at Natural Sciences and Engineering Research Council
Publications - 8
Citations - 152
J. A. Parsons is an academic researcher from Natural Sciences and Engineering Research Council. The author has contributed to research in topics: Electron–positron annihilation & Branching fraction. The author has an hindex of 6, co-authored 8 publications receiving 149 citations.
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Journal ArticleDOI
Evidence for the decay τ−→ντωπ−
H. Albrecht,U. Binder,P. Böckmann,R. Gläser,G. Harder,I. Lembke-Koppitz,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,R. Wurth,A. Yagil,J. P. Donker,A. Drescher,D. Kamp,U. Matthiesen,H. Scheck,B. Spaan,J. Spengler,D. Wegener,J. C. Gabriel,K. R. Schubert,J. Stiewe,K. Strahl,Roland Waldi,S. Weseler,K. W. Edwards,William R. Frisken,D. J. Gilkinson,Douglas Gingrich,H. Kapitza,P. C. H. Kim,Robert K. Kutschke,D. B. Macfarlane,J. A. McKenna,K. W. McLean,A. W. Nilsson,R. S. Orr,P. Padley,J. A. Parsons,P. M. Patel,J. D. Prentice,H. C. J. Seywerd,J. D. Swain,G. Tsipolitis,T. S. Yoon,J. C. Yun,R. Ammar,D. Coppage,R. Davis,S. Kanekal,N. Kwak,B. Boštjančič,G. Kernel,M. Pleško,Leif J. Jönsson,Anton Babaev,M. Danilov,A. Golutvin,I. V. Gorelov,V. Lubimov,V. Matveev,V. Nagovitsin,V. Ryltsov,A. Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden,Y. Oku,H. Gennow +72 more
TL;DR: In this article, the ARGUS detector at DORIS II has analyzed tau decays into π − π− π + π 0 ν τ with a branching ratio of 4.2±0.9.
Journal ArticleDOI
First observation of γγ→K∗0K∗0
H. Albrecht,A.A. Andam,U. Binder,P. Böckmann,R. Gläser,G. Harder,A. Krüger,A. Nippe,M. Schäfer,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,R. Wurth,A. Yagil,J. P. Donker,A. Drescher,D. Kamp,Hermann Kolanoski,U. Matthiesen,H. Scheck,B. Spaan,J. Spengler,D. Wegener,J. C. Gabriel,T. Ruf,K. R. Schubert,J. Stiewe,K. Strahl,Roland Waldi,K. W. Edwards,William R. Frisken,D. J. Gilkinson,Douglas Gingrich,H. Kapitza,P. C. H. Kim,Robert K. Kutschke,D. B. Macfarlane,J. A. McKenna,K. W. McLean,A. W. Nilsson,R. S. Orr,P. Padley,J. A. Parsons,P. M. Patel,J. D. Prentice,H. C. J. Seywerd,J. D. Swain,G. Tsipolitis,T. S. Yoon,J. C. Yun,R. Ammar,S. Ball,D. Coppage,R. Davis,S. Kanekal,N. Kwak,B. Boštjančič,G. Kernel,M. Pleško,Leif J. Jönsson,Anton Babaev,M. Danilov,B. Fominykh,A. Golutvin,I. V. Gorelov,V. Lubimov,V. Matveev,V. Ryltsov,A. Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden,R. C. Fernholz,Y. Oku +77 more
TL;DR: In this paper, the vector meson pair K ∗0 (892) K ∆ϱ 0.5 nb at 95% CL is derived for φϑ 0 production.
Journal ArticleDOI
Observation of octet and decuplet hyperons in e+e− annihilation at 10 GeV centre-of-mass energy
H. Albrecht,U. Binder,P. Böckmann,R. Gläser,G. Harder,I. Lembke-Koppitz,W. Schmidt-Parzefall,H. Schröder,H.D. Schulz,R. Wurth,A. Yagil,J. P. Donker,A. Drescher,D. Kamp,U. Matthiesen,H. Scheck,B. Spaan,J. Spengler,D. Wegener,J. C. Gabriel,K. R. Schubert,J. Stiewe,K. Strahl,Roland Waldi,S. Weseler,K. W. Edwards,William R. Frisken,C. Fukunaga,D. J. Gilkinson,Douglas Gingrich,H. Kapitza,P. C. H. Kim,Robert K. Kutschke,D. B. Macfarlane,J. A. McKenna,K. W. McLean,A. W. Nilsson,R. S. Orr,P. Padley,J. A. Parsons,P. M. Patel,J. D. Prentice,H. C. J. Seywerd,J. D. Swain,G. Tsipolitis,T. S. Yoon,J. C. Yun,R. Ammar,D. Coppage,R. Davis,S. Kanekal,N. Kwak,B. Boštjančič,G. Kernel,M. Pleško,Leif J. Jönsson,Anton Babaev,M. Danilov,A. Golutvin,I. V. Gorelov,V. Lubimov,V. Matveev,V. Nagovitsin,V. Ryltsov,A. Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden,Y. Oku,H. Gennow +73 more
TL;DR: In this paper, the ARGUS detector has been used for data accumulated at 10 GeV center-of-mass energy with the ARGAUS detector to detect hyperon.
Journal ArticleDOI
Measurement of η' → π+π−γ in γγ collisions
H. Albrecht,A.A. Andam,U. Binder,P. Böckmann,R. Gläser,G. Harder,A. Nippe,M. Schäfer,W. Schmidt-Parzefall,H. Schröder,Holger Schulz,R. Wurth,A. Yagil,J. P. Donker,A. Drescher,D. Kamp,Hermann Kolanoski,U. Matthiesen,H. Scheck,B. Spaan,J. Spengler,D. Wegener,J. C. Gabriel,T. Ruf,K. R. Schubert,J. Stiewe,K. Strahl,Roland Waldi,K. W. Edwards,William R. Frisken,D. J. Gilkinson,Douglas Gingrich,H. Kapitza,P. C. H. Kim,Robert K. Kutschke,D. B. Macfarlane,J. A. McKenna,K. W. McLean,A. W. Nilsson,R. S. Orr,P. Padley,J. A. Parsons,P. M. Patel,J. D. Prentice,H. C. J. Seywerd,J. D. Swain,G. Tsipolitis,T. S. Yoon,J. C. Yun,R. Ammar,D. Coppage,R. Davis,S. Kanekal,N. Kwak,B. Boštjančič,G. Kernel,M. Pleško,Leif J. Jönsson,Anton Babaev,M. Danilov,B. Fominykh,A. Golutvin,I. V. Gorelov,V. Lubimov,V. Matveev,V. Ryltsov,A. Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden,Y. Oku +74 more
TL;DR: In this paper, the pseudoscalar meson η'(958) was observed in the reaction e + e−→ e+ e − η → ϱγ with the ARGUS detector at DESY.
Journal ArticleDOI
Search for lepton-number and lepton-flavour violation in tau decays
H. Albrecht,U. Binder,P. Böckmann,R. Gläser,G. Harder,I. Lembke-Koppitz,W. Schmidt-Parzefall,H. Schröder,H.D. Schulz,R. Wurth,A. Yagil,J. P. Donker,A. Drescher,D. Kamp,U. Matthiesen,H. Scheck,B. Spaan,J. Spengler,D. Wegener,J. C. Gabriel,K. R. Schubert,J. Stiewe,K. Strahl,Roland Waldi,S. Weseler,K. W. Edwards,William R. Frisken,D. J. Gilkinson,Douglas Gingrich,H. Kapitza,P. C. H. Kim,Robert K. Kutschke,D. B. Macfarlane,J. A. McKenna,K. W. McLean,A. W. Nilsson,R. S. Orr,P. Padley,J. A. Parsons,P. M. Patel,J. D. Prentice,H. C. J. Seywerd,J. D. Swain,G. Tsipolitis,T. S. Yoon,J. C. Yun,R. Ammar,D. Coppage,R. Davis,S. Kanekal,N. Kwak,B. Boštjančič,G. Kernel,M. Pleško,Leif J. Jönsson,Anton Babaev,M. Danilov,A. Golutvin,I. V. Gorelov,V. Lubimov,V. Matveev,V. Nagovitsin,V. Ryltsov,A. Semenov,V. Shevchenko,V. Soloshenko,V. Tchistilin,I. Tichomirov,Yu. Zaitsev,R. Childers,C. W. Darden,Y. Oku,H. Gennow +72 more
TL;DR: In this article, the ARGUS detector was used to search for neutrinoless tau decays into three charged particles as evidence for lepton-flavour or lepton number violation.