J
J. Tompkins
Researcher at Stanford University
Publications - 29
Citations - 547
J. Tompkins is an academic researcher from Stanford University. The author has contributed to research in topics: Meson & Crystal Ball. The author has an hindex of 12, co-authored 29 publications receiving 535 citations. Previous affiliations of J. Tompkins include National Science Foundation.
Papers
More filters
Journal ArticleDOI
Measurement of pi 0 pi 0 production in two-photon collisions.
H. Marsiske,D. Antreasyan,H. W. Bartels,D. Besset,Ch Bieler,J. K. Bienlein,Andrea Bizzeti,Elliott D. Bloom,I. C. Brock,K. Brockmüller,R. Cabenda,A. M. Cartacci,M. Cavalli-Sforza,R. Clare,A. Compagnucci,G. Conforto,S. Cooper,R. Cowan,D. G. Coyne,A. Engler,K. Fairfield,G. Folger,A. Fridman,D. Gaiser,D. Gelphman,G. Glaser,G.L. Godfrey,K. Graaf,F. H. Heimlich,F. H. Heimlich,F. H. Heinsius,R. Hofstadter,J. Irion,Z. Jakubowski,H. Janssen,K. Karch,S. Keh,T. Kiel,H. Kilian,I. Kirkbride,T. Kloiber,M. Kobel,W. Koch,A. C. König,K. Königsmann,R. W. Kraemer,S. Krüger,G. Landi,R. Lee,S. Leffler,R. Lekebusch,A. M. Litke,W. Lockman,S. Lowe,B. Lurz,D. Marlow,W. Maschmann,P. McBride,F. Messing,W. J. Metzger,H. Meyer,B. Monteleoni,B. Muryn,B. Muryn,R. Nernst,B. Niczyporuk,Grzegorz Nowak,C. W. Peck,P. G. Pelfer,B. Pollock,F. C. Porter,D. Prindle,P. Ratoff,M. Reidenbach,B. Renger,C. Rippich,M. Scheer,P. Schmitt,J. Schotanus,J. Schütte,A. Schwarz,D. Sievers,Tomasz Skwarnicki,V. Stock,K. Strauch,U. Strohbusch,J. Tompkins,H. J. Trost,B. van Uitert,R. T. Van de Walle,Hans J. Vogel,A. Voigt,U. Volland,K. Wachs,K. Wacker,W. Walk,H. Wegener,D. A. Williams,D. A. Williams,P. Zschorsch +99 more
TL;DR: In this paper, the authors measured the cross section of the Crystal Ball detector at the DESY storage ring DORIS II at beam energies around 5.3 GeV and deduced the following two-photon widths:
Journal ArticleDOI
A precision measurement of the Υ' meson mass
D. P. Barber,H. D. Bremer,J. Kewisch,H. C. Lewin,T. Limberg,H. Mais,G. Ripken,R. Rossmanith,R. Schmidt,F. Zwack,H. Albrecht,G. Drews,H. Hasemann,A. Phillipp,W. Schmidt-Parzefall,H. Schröder,H. D. Schulz,F. Selonke,R. Wurth,A. Drescher,B. Gräwe,W. Hofmann,A. Markees,U. Matthiesen,J. Spengler,D. Wegener,R. Heller,K. R. Schubert,J. Stiewe,Roland Waldi,S. Weseler,K. Edwards,W.R. Frisken,C. Fukunaga,M. Goddard,P. Kim,R. S. Orr,P. M. Patel,J. D. Prentice,H. Seywerd,T. S. Yoon,R. Ammar,D. Coppage,Raymond Davis,N. Kwak,P. Boeckmann,Leif J. Jönsson,Y. Oku,A. Arefiev,M. Danilov,V. Lubimov,V. Matveev,V. Nagovitsin,Yu. Semenov,V. Shevchenco,V. Soloshenko,V. Sopov,V. Tchernyshew,I. Tichomirov,V. Tchistilin,Yu. Zaitsev,R. Childers,C. W. Darden,H. Gennow,C. Edwards,C. W. Peck,Frank C. Porter,P. Ratoff,D. G. Aschman,Ian Brock,A. Engler,R. W. Kraemer,Daniel Robert Marlow,F. Messing,D. Prindle,B. Renger,C. Rippich,Z. Jakubowski,B. Niczyporuk,G. Nowak,T. Skwarnicki,J. K. Bienlein,S. Cooper,A. Fridman,B. Gomez,T. Kloiber,W. Koch,M. Schmitz,H. J. Trost,P. Zschorsch,G. Folger,B. Lurz,U. Volland,H. Wegener,A.M. Cartacci,G. Conforto,D. de Judicibus,B. Monteleoni,P. G. Pelfer,F. H. Heimlich,R. Lekebusch,P. Lezoch,W. Maschmann,R. Nernst,A. Schwarz,D. Sievers,U. Strohbusch,D. Antreasyan,J. Irion,K. Strauch,Axel König,J. Schotanus,R. T. Van de Walle,W. Walk,D. Besset,R. Cabenda,M. Cavalli-Sforza,R. Cowan,D. Coyne,C. Newman-Holmes,Elliott D. Bloom,R. Chestnut,R. Clare,J. Gaiser,G. Godfrey,S. Leffler,W. Lockman,S. Lowe,K. Wacker,D. Gelphman,Robert Hofstadter,I. Kirkbride,R. Lee,A. M. Litke,T. Matsui,B. Pollock,J. Tompkins,S. Keh,H. Kilian,K. Königsmann,M. Scheer,P. Schmitt +141 more
TL;DR: The e + e − − -storage ring DORIS II provides polarized beams with polarizations up to 80% in the energy range of the ϒ ′ meson as discussed by the authors.
Journal ArticleDOI
Formation of delta(980) and A2(1320) in photon-photon collisions.
D. Antreasyan,D. G. Aschman,D. Besset,J. K. Bienlein,Elliott D. Bloom,I. C. Brock,R. Cabenda,A. M. Cartacci,Matteo Cavalli-Sforza,Robert Clare,G. Conforto,S. Cooper,R. Cowan,D. C. Coyne,G. Drews,A. Engler,G. Folger,A. Fridman,J. Gaiser,D. Gelphman,G.L. Godfrey,F. H. Heimlich,R. Hofstadter,J. Irion,Z. Jakubowski,S. Keh,H. Kilian,I. Kirkbride,T. Kloiber,W. Koch,Axel König,K. Königsmann,R. W. Kraemer,Raymond Lee,S. Leffler,R. Lekebusch,P. Lezoch,Alan Litke,W. S. Lockman,S. Lowe,B. Lurz,Daniel Robert Marlow,W. Maschmann,T. Matsui,P. McBride,F. Messing,W. J. Metzger,B. Monteleoni,R. Nernst,C. Newman-Holmes,B. Niczyporuk,Grzegorz Nowak,C. W. Peck,P. G. Pelfer,B. Pollock,F. C. Porter,D. Prindle,P. N. Ratoff,B. Renger,C. Rippich,M. Scheer,P. Schmitt,M. Schmitz,J. Schotanus,A. Schwarz,D. Sievers,T. Skwarnicki,K. Strauch,U. Strohbusch,J. Tompkins,H. J. Trost,R. T. Van de Walle,Hans J. Vogel,U. Volland,K. Wachs,K. Wacker,W. Walk,H. Wegener,David R. Williams,P. Zschorsch +79 more
TL;DR: In this article, the reaction γγ→π0η has been investigated with the DESY storage ring DORIS II with the Crystal Ball detector at DESY 2.
Journal ArticleDOI
Production of π0π0 and π0η in photon-photon collisions
C. Edwards,R. A. Partridge,C. W. Peck,F. C. Porter,D. Antreasyan,Y. F. Gu,W. Kollmann,M. Richardson,K. Strauch,K. Wacker,A. Weinstein,D. Aschman,T. H. Burnett,M. Cavalli-Sforza,D.G. Coyne,C. Newman,Hartmut Sadrozinski,D. Gelphman,R. Hofstadter,R. Horisberger,I. Kirkbride,H. Kolanoski,K. Königsmann,R. Lee,A. Liberman,J. O'Reilly,A. Osterheld,B. Pollock,J. Tompkins,Elliott D. Bloom,F. Bulos,R. Chestnut,J. Gaiser,G.L. Godfrey,C. Kiesling,W. Lockman,M. Oreglia,D. L. Scharre +37 more
TL;DR: In this paper, the authors investigated the four-photon final state produced in γγ colissions and gave an upper bound for f ≈ ηη. But this upper bound was only for the π 0 η channel.
Journal ArticleDOI
Decay J/. pi. -->. 3. gamma. and a search for the eta/sub c/
R. A. Partridge,C. W. Peck,F. C. Porter,W. Kollman,M. Richardson,K. Strauch,K. Wacker,D. Aschman,T. Burnett,M. Cavalli-Sforza,D.G. Coyne,Hartmut Sadrozinski,Elliott D. Bloom,F. Bulos,R. Chestnut,J. Gaiser,G.L. Godfrey,C. Kiesling,M. Oreglia,R. Hofstadter,I. Kirkbride,H. Kolanoski,A. Liberman,J. O'Reilly,J. Tompkins +24 more
TL;DR: In this article, the decay of a photon into two photons was studied and the branching ratio was found to be 2.7-3.0-GeV in the case of the 2.83-approximation.