Zobrazeno 1 - 10
of 69
pro vyhledávání: '"R. Ramcke"'
Autor:
M. Kuhlen, P. Hill, I. P. Duerdoth, R. Meinke, R. Ramcke, R. Marshall, D. Haidt, A. Dieckmann, Daniel Pitzl, R. J. Barlow, K. Stephens, S. L. Cartwright, J. A.J. Skard, U. Schneekloth, N. Magnussen, T. Greenshaw, H. Kado, S. Komamiya, J. Hagemann, J. T.M. Chrin, J. v. Krogh, Kiyotomo Kawagoe, Tohru Takeshita, I. W. Walker, G. Hughes, A. P. Wagner, P. G. Murphy, R. Pust, D. Schmidt, G. Knies, K. Ambrus, K. H. Hellenbrand, G. Weber, H. Rieseberg, F. Ould-Saada, B. Naroska, E. Elsen, F. Foster, A. A. Macbeth, R. Felst, J. Allison, A. Sato, Claus Kleinwort, H. Krehbiel, J. Spitzer, G. T. Zorn, G. Heinzelmann, Joachim Heintze, J. E. Olsson, W. Bartel, S. Bethke, L. Smolik, J. M. Nye, P. Steffen, A. J. Finch, R. P. Middleton, D. Clarke, C. K. Bowdery, G. Eckerlin, F. K. Loebinger, M. Zimmer
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 51:531-540
The reactionγγ→3π +3π - has been studied usig the JADE detector at PETRA. The topological cross sectionσ(γγ→3π +3π -) was measured in the CM energy range 1.5–5.5 GeV. The production ofρ 0,s was observed and the average number ofρ 0,s
Autor:
J. Spitzer, R. Ramcke, R. Marshall, I. W. Walker, P. G. Murphy, P. Hill, K. H. Hellenbrand, J. A.J. Skard, M. Zimmer, F. K. Loebinger, S. Komamiya, G. Weber, G. Heinzelmann, G. Hughes, N. Magnussen, K. Stephens, H. von der Schmitt, R. Meinke, F. Foster, D. Haidt, T. Greenshaw, J. T.M. Chrin, B. Naroska, S. L. Cartwright, I. P. Duerdoth, John Allison, Claus Kleinwort, Tetsuro Mashimo, S. Bethke, A. A. Macbeth, J. E. Olsson, J. M. Nye, L. Smolik, C. K. Bowdery, P. Steffen, R. P. Middleton, H. Krehbiel, J. Hagemann, M. Kuhlen, G. Eckerlin, K. Ambrus, Joachim Heintze, H. Rieseberg, F. Ould-Saada, A. Dieckmann, Daniel Pitzl, H. Kado, H. Meyer, U. Schneekloth, R. J. Barlow, D. Schmidt, G. T. Zorn, T. Kobayashi, W. Bartel, Mitsuaki Nozaki, J. v. Krogh, G. Knies, E. Elsen, D. Clarke, R. Felst, Kiyotomo Kawagoe, A. P. Wagner, Alexander Finch
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 49:29-41
The cross sections for 2-, 3- and 4-jet production have been determined with the JADE detector, sited on thee+e−-storage ring PETRA. Data at\(\sqrt s = 14\), 22, 35 and 44 GeV were compared to twoO(α s 2 ) QCD calculations. A first analysis was pe
Autor:
H. von der Schmitt, I. P. Duerdoth, F. Foster, S. Komamiya, J. A.J. Skard, Daniel Pitzl, J. Hagemann, W. Bartel, E. Elsen, R. Felst, L. Smolik, G. Heinzelmann, P. Hill, G. Eckerlin, G. T. Zorn, U. Schneekloth, F. Schroth, R. J. Barlow, I. W. Walker, P. G. Murphy, T. Greenshaw, J. T.M. Chrin, H. Kado, Alexander Finch, M. Zimmer, J. Spitzer, H. Rieseberg, F. Ould-Saada, D. Schmidt, D. Haidt, B. Naroska, S. L. Cartwright, Kiyotomo Kawagoe, S. Bethke, M. Kuhlen, A. P. Wagner, D. Clarke, Mitsuaki Nozaki, A. A. Macbeth, R. Meinke, A. Dieckmann, John Allison, N. Magnussen, J. v. Krogh, K. Stephens, J. M. Nye, G. Hughes, G. Knies, H. Takeda, P. Steffen, R. P. Middleton, K. Ambrus, J. E. Olsson, J. Heintze, F. K. Loebinger, S. Hegner, K. H. Hellenbrand, R. Ramcke, R. Marshall, H. Krehbiel, Claus Kleinwort, G. Weber, C. K. Bowdery
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 46:547-553
The cross-sections and the forward-backward charge asymmetries of muon and tau pairs produced ine + e − collisions at $$\sqrt s = 35 GeV$$ have been measured by the JADE Collaboration. The cross-sections, $$\sigma _\mu (\sqrt s = GeV) = 69.79 \pm 1
Autor:
S. Komamiya, J. E. Olsson, J. Heintze, John Allison, H. Krehbiel, M. Zimmer, J. M. Nye, J. A.J. Skard, G. Weber, P. Hill, G. Hughes, P. Steffen, L. Smolik, G. Heinzelmann, G. Eckerlin, J. v. Krogh, R. Ramcke, R. Marshall, R. Meinke, H. Rieseberg, F. Ould-Saada, R. P. Middleton, Alexander Finch, Claus Kleinwort, G. Knies, R. Felst, K. H. Hellenbrand, Tohru Takeshita, J. Spitzer, F. K. Loebinger, N. Magnussen, Kiyotomo Kawagoe, I. W. Walker, P. G. Murphy, A. Wegner, I. P. Duerdoth, T. Greenshaw, A. P. Wagner, E. Elsen, J. T.M. Chrin, K. Ambrus, J. Hagemann, S. Bethke, T. Kawamoto, D. Clarke, A. A. Macbeth, G. T. Zorn, C. K. Bowdery, F. Foster, Daniel Pitzl, U. Schneekloth, A. Dieckmann, R. J. Barlow, D. Haidt, B. Naroska, S. L. Cartwright, D. Schmidt, K. Stephens, H. Kado, M. Kuhlen, W. Bartel
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 48:393-400
The reaction γγ→π+π-π+π-π0 has been studied using the JADE detector at PETRA. The cross sections for γγ→ωπ+- and for γγ→ωρ0- are given. We observe no peak in these cross sections in the regionWγγ=1.9–2.0 GeV.
Autor:
M. Zimmer, Kiyotomo Kawagoe, J. Spitzer, A. P. Wagner, E. Elsen, G. Weber, P. Hill, R. Meinke, A. A. Macbeth, A. Sato, H. Kado, Claus Kleinwort, T. Greenshaw, J. T.M. Chrin, Joachim Heintze, K. Ambrus, W. Bartel, K. Stephens, D. Schmidt, D. Haidt, B. Naroska, S. L. Cartwright, J. Hagemann, R. Felst, C. K. Bowdery, I. W. Walker, P. G. Murphy, Tohru Takeshita, L. Smolik, F. Foster, G. Heinzelmann, J. v. Krogh, G. T. Zorn, M. Kuhlen, G. Eckerlin, D. Clarke, G. Knies, T. Oest, A. J. Finch, H. Krehbiel, J. M. Nye, F. K. Loebinger, H. Rieseberg, F. Ould-Saada, P. Steffen, G. Hughes, S. Bethke, R. P. Middleton, N. Magnussen, John Allison, I. P. Duerdoth, J. A.J. Skard, S. Komamiya, R. J. Barlow, J. E. Olsson, K. H. Hellenbrand, R. Ramcke, R. Marshall, A. Dieckmann, Daniel Pitzl, U. Schneekloth
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 47:343-351
Resonance production in the γγ reactionse+e−→e+e+e−π0π0 ande+e−π0η has been studied with the JADE detector at PETRA. The decay widths into γγ of thef2(1270),a0(980) anda2(1320) were measured to be\(\Gamma _{\gamma \gamma } (f_2 (1270)
Autor:
S. Komamiya, A. Dieckmann, T. Kobayashi, A. P. Wagner, J. M. Nye, E. Elsen, M. Zimmer, L. Smolik, D. Schmidt, D. Clarke, A. A. Macbeth, P. Steffen, J. v. Krogh, R. P. Middleton, G. Eckerlin, T. Greenshaw, J. T.M. Chrin, A. J. Finch, H. Krehbiel, R. Meinke, K. Stephens, R. Ramcke, R. Marshall, R. J. Barlow, G. Knies, F. K. Loebinger, T. Kawamoto, U. Schneekloth, J. E. Olsson, G. Heinzelmann, R. Felst, Joachim Heintze, K. H. Hellenbrand, G. Hughes, J. Hagemann, D. Haidt, H. Rieseberg, F. Ould-Saada, S. L. Cartwright, M. Kuhlen, S. Bethke, P. Hill, I. W. Walker, P. G. Murphy, J. Spitzer, N. Magnussen, C. K. Bowdery, J. Allison, K. Ambrus, G. Weber, H. Minowa, G. T. Zorn, J. A.J. Skard, I. P. Duerdoth, H. Kado, W. Bartel, H. von der Schmitt, F. Foster, B. Naroska, Claus Kleinwort
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 46:349-359
The forward-backward charge asymmetries of theb andc quarks are measured with the JADE detector at PETRA at $$\sqrt s = 35$$ GeV and 44 GeV using both electrons and muons to tag the heavy quarks. At $$\sqrt s = 35$$ GeV, a simultaneous fit for the tw
Autor:
P. Spitzer, K. Stephens, J. M. Nye, N. Magnussen, P. Steffen, C. K. Bowdery, T. Kobayashi, R. P. Middleton, J. v. Krogh, K. H. Hellenbrand, M. Kuhlen, F. K. Loebinger, G. Knies, I. P. Duerdoth, H. Rieseberg, F. Ould-Saada, J. E. Olsson, W. Bartel, S. Bethke, G. Weber, D. Clarke, Joachim Heintze, F. Foster, L. Smolik, I. W. Walker, P. G. Murphy, T. Greenshaw, J. T.M. Chrin, Daniel Pitzl, R. Ramcke, K. Ambrus, R. Marshall, E. Elsen, H. Minowa, A. A. Macbeth, M. Zimmer, J. A.J. Skard, R. J. Barlow, D. Haidt, G. Eckerlin, S. Komamiya, S. L. Cartwright, A. J. Finch, H. Krehbiel, U. Schneekloth, H. Kado, G. Hughes, D. Schmidt, R. Meinke, P. Hill, A. Dieckmann, J. Hagemann, J. Allison, G. T. Zorn, G. Heinzelmann, B. Naroska, Claus Kleinwort, Kiyotomo Kawagoe, A. P. Wagner, R. Felst
Publikováno v:
Zeitschrift für Physik C: Particles and Fields. 46:1-7
Results are presented on an investigation of photons produced in multihadronic final states frome+e− annihilation at 35 GeV and 44 GeV center of mass energies. Scalling violation between 14 and 44 GeV is observed in inclusive photon spectra. Compar
Autor:
R. Felst, K. Stephens, J. A.J. Skard, A. H. Ball, Alexander Finch, D. Schmidt, H. Krehbiel, P. Hill, P. Laurikainen, G. Knies, Stephen Robert Wagner, Hugh McCann, Tohru Takeshita, P. Lennert, J. Spitzer, J. E. Olsson, T. Kobayashi, J. Heintze, J. T.M. Chrin, A. A. Macbeth, K. Kawagoe, Shoichi Yamada, K. Ambrus, T. Kawamoto, Mitsuaki Nozaki, D. Clarke, F. K. Loebinger, B. Naroska, H. Takeda, D. Cords, Gareth Hughes, W. Bartel, P. Warming, J. M. Nye, I. P. Duerdoth, E. Elsen, S. Bethke, A. Petersen, M. Kuhlen, D. Haidt, G. T. Zorn, N. Magnussen, Claus Kleinwort, P. Steffen, G. Dietrich, S. L. Cartwright, A. Dieckmann, John Allison, C. K. Bowdery, G. Weber, G. Heinzelmann, H. Kado, H. Matsumura, T. Greenshaw, F. Foster, L. Becker, U. Schneekloth, H. Rieseberg, Roger Barlow, J. von Krogh, R. Meinke, P. G. Murphy, R. Ramcke, R. Marshall, H. E. Mills, S. Komamiya, R. G. Glasser, K. H. Hellenbrand, Robin Middleton, A. Wagner, J. Hagemann
Publikováno v:
Physics Letters B. 161:188-196
The production and decay of τ-pairs was studied with the JADE detector at PETRA at center-of-mass energies of 30 ⩽√s ⩽ 46.78 GeV. The total production cross section for τ-pairs agreed with QED predictions to order α3. Lower limits on QED cut
Autor:
Alexander Finch, C. K. Bowdery, R. G. Glasser, H. Takeda, E. Elsen, F. K. Loebinger, S. Komamiya, D. Schmidt, B. Sechi-Zorn, J. Spitzer, H. Rieseberg, F. Foster, H. Krehbiel, H. Matsumura, L. Becker, R. Meinke, T. Greenshaw, Stephen Robert Wagner, M. Kuhlen, A. H. Ball, R. Felst, P. Laurikainen, P. Lennert, J. von Krogh, R. Ramcke, R. Marshall, G. Heinzelmann, Tetsuro Mashimo, Tohru Takeshita, J. T.M. Chrin, A. A. Macbeth, G. Knies, H. E. Mills, K. Stephens, K. Ambrus, T. Kawamoto, B. Naroska, J. B. Whittaker, T. Nozaki, T. Kobayashi, G. T. Zorn, P. Hill, Shoichi Yamada, P. G. Murphy, A. Petersen, D. Clarke, G. Weber, J. E. Olsson, John Allison, Claus Kleinwort, D. Haidt, J. Heintze, D. Cords, K. Kawagoe, S. Bethke, S. L. Cartwright, Makoto Minowa, Gareth Hughes, U. Schneekloth, K. H. Hellenbrand, Robin Middleton, H. Junge, Roger Barlow, P. Warming, K. Meier, H. Kado, W. Bartel, A. Dieckmann, J. Hagemann, A. Wagner, I. P. Duerdoth, J. A.J. Skard, J. M. Nye, P. Steffen, G. Dietrich
Publikováno v:
Zeitschrift f�r Physik C Particles and Fields. 28:343-356
The production of photons ine+e−→γ+hadrons is investigated at three centre of mass energies around 14, 22 and 34 GeV. On average, photons carry 25% of the total available energy, with a multiplicity similar to the charged multiplicity. The inclu
Autor:
A. Petersen, D. Haidt, S. L. Cartwright, A. H. Ball, K. Stephens, K. H. Hellenbrand, R. G. Glasser, Robin Middleton, Alexander Finch, D. Schmidt, B. Sechi-Zorn, J. B. Whittaker, Shoichi Yamada, F. K. Loebinger, Hugh McCann, J. Spitzer, K. Ambrus, S. Komamiya, I. P. Duerdoth, Tetsuro Mashimo, Gareth Hughes, John Baines, P. Hill, J. M. Nye, D. Cords, T. Kobayashi, J. A.J. Skard, G. Dietrich, J. T.M. Chrin, S. Bethke, T. Kawamoto, Tohru Takeshita, G. T. Zorn, R. Ramcke, R. Marshall, H. E. Mills, G. Heinzelmann, T. Nozaki, G. Weber, R. Felst, J. Hagemann, T. Greenshaw, H. Junge, D. Clarke, K. Meier, M. Kuhlen, John Allison, H. Kado, A. Wagner, H. Krehbiel, C. K. Bowdery, Stephen Robert Wagner, W. Bartel, P. Laurikainen, P. Lennert, B. Naroska, F. Foster, L. Becker, Claus Kleinwort, D. Steffen, Roger Barlow, P. G. Murphy, R. Meinke, E. Elsen, H. Matsumura, Makoto Minowa, U. Schneekloth, A. Dieckmann, H. Takeda, G. Knies, H. Rieseberg, A. A. Macbeth, J. von Krogh, J. E. Olsson, J. Heintze, K. Kawagoe, P. Warming
Publikováno v:
Physics Letters B. 158:511-518
The radiative width of the η meson has been measured at PETRA in photon-photon collisions. The resulting value is Γη→γγ=0.53±0.04±0.04 keV.