Multiplicity distributions in e+e− annihilations at petra energies

Autor: E. Lehmann, B. Stella, T. Azemoon, G. Knies, H. Spitzer, B. Sechi-Zorn, Fernando Barreiro, H. Genzel, Ch. Gerke, K. Lau, B. Lewendel, Stephanie Brandt, H. Kapitza, A. Klovning, R. G. Glasser, U. Timm, G. E. Welch, G. T. Zorn, L. Criegee, P. Waloschek, H. J. Meyer, M. Scarr, G. Franke, C. Y. Chang, H. J. Daum, H.D. Mertiens, K. Wacker, Günter Flügge, Ch. Berger, M. Rost, B. Koppitz, E. Lillestöl, W. Lackas, L. Boesten, Wolfgang Wagner, D. Schmidt, H. C. Dehne, W. Gabriel, R. Grigull, J. Bürger, H. Meyer, G. Zech, H. Ackermann, O. Meyer, K. H. Pape, H.D. Reich, Claus Grupen, U. Michelsen, W. Zimmermann, O. Achterberg, R. O. Polvado, J. A. Skard, Gideon Alexander, Volker Blobel, Andris Skuja, A. Eskreys, E. Lillethun, K. Derikum, W. Lühraen, Frank Raupach, A. Bäcker, T. N. Ranga Swamy, R. van Staa, B. Neumann, G. G. Winter, R.C.E. Devenish, V. Hepp, R. G. Kellog, M. Rössler

Publikováno v: Physics Letters B. 95:313-317

Measurements of the charged multiplicities for hadron production in e+e− annihilation in the center of mass energy range 9–32 GeV have been made. The average charged multiplicity has an energy dependence much stronger than ln s and similar to tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee551e430537c9702380c3fa72ccbfb4
https://doi.org/10.1016/0370-2693(80)90494-3

Search for a 'top' threshold in hadronic e+e− annihilation at energies between 22 and 31.6 GeV

Autor: L. Criegee, B. Sechi-Zorn, Fernando Barreiro, R. van Staa, Ch. Gerke, A. Klovning, M. Rössler, E. Lehmann, R. G. Glasser, U. Timm, G. G. Winter, W. Wagner, T. Azemoon, Stephanie Brandt, Claus Grupen, Frank Raupach, G. Knies, H. J. Daum, Andris Skuja, H. Spitzer, B. Koppitz, H. Kapitza, E. Lillestöl, H. C. Dehne, H. Genzel, P. Waloschek, G. E. Welch, G. T. Zorn, M. Rost, D. Schmidt, H. Meyer, C. Y. Chang, G. Franke, R. Grigull, K. Wacker, W. Lackas, A. Diekmann, H.D. Mertiens, K. Lau, L. Boesten, J. Bürger, B. Stella, G. Zech, R. Devenish, W. Gabriel, O. Achterberg, R. Maschuw, K. Derikum, W. Lührsen, Ch. Berger, G. Flügge, H.D. Reich, R. G. Kellogg, G. Alexander, H. Ackermann, Volker Blobel, W. Zimmermann, O. Meyer, K. H. Pape, J. A. Skard, A. Eskreys, E. Lillethun, T. N. Ranga Swamy, A. Bäcker, B. Neumann

Publikováno v: Physics Letters B. 86:413-417

Results on e+e− annihilation into hadrons at c.m. energies between 22 and 31.6 GeV are presented. The data were accumulated with the PLUTO detector at PETRA. The events are dominantly of the two-jet type. The value of the relative hadronic cross se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef598cd90e1ae6969a1977426149605f
https://doi.org/10.1016/0370-2693(79)90868-2

Energy moments for quark jets at PETRA

Autor: L. Criegee, B. Sechi-Zorn, B. Stella, M. Zachara, H. Genzel, K. Stupperich, R. van Staa, F. Almeida, K. M. Smith, K. Diehlmann, A. Klovning, Gideon Bella, S. J. Maxfield, K. H. Pape, A. Deuter, H. Kapitza, H. Spitzer, Jean-Arcady Meyer, C. Raine, P. Waloschek, J. Pielorz, M. Rost, U. Michelsen, A. Bäcker, E. Lillestöl, U. Jacobs, S. T. Xue, Richard G Kellogg, B. Lewendel, Andris Skuja, L. Boesten, Wolfgang Wagner, R. G. Glasser, U. Timm, H. Maxeiner, J. A.J. Skard, V. Hepp, M. Krüger, Barry King, J. M. Scarr, H. Meyer, C. Maxeiner, D. Schmidt, Peter Bussey, J. D. Burger, W. Lührsen, A. J. Tylka, H. Müller, D. Burkart, M. Poppe, H. Junge, Y. Gnat, C. Y. Chang, Ch. Berger, M. Gaspero, H. J. Daum, Stephanie Brandt, Ch. Dehne, G. E. Welch, J. Grunhaus, Fernando Barreiro, H. J. Meyer, Ch. Gerke, J. C. Thomson, J. B. Dainton, J. M. Olsen, W. Lackas, O. Achterberg, R. O. Polvado, W. Zimmermann, A. Eskreys, G. Franke, G. Knies, B. Neumann, Claus Grupen, I. O. Skillicorn, Gideon Alexander, G. G. Winter, L. H. Flølo, K. Kraski, G. T. Zorn, G. Zech, B. Koppitz, K. Derikum, S. L. Cartwright, U. Maurus, Frank Raupach

Publikováno v: Zeitschrift für Physik C Particles and Fields. 19:205-212

Measurements of energy moments for single quark jets at c.m. energies between 12 and 31.6 GeV are presented. The data, corrected for detector effects and initial state radiation, are compared to QCD predictions in the leading log approximation. Non p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77de77e425bbcc306926443efa008c1f
https://doi.org/10.1007/bf01572249

First observation of hadron production in e+e− collisions at 13 and 17 GeV CMS energy with the pluto detector at petra

Autor: Andris Skuja, W. Gabriel, R. Maschuw, W. Lührsen, W. Lackas, Ch. Berger, P. Waloschek, Wolfgang Wagner, B. Sechi-Zorn, G. E. Welch, G. T. Zorn, R. van Staa, J. A. Skard, O. Achterberg, R. G. Glasser, U. Timm, G. Horlitz, B. Stella, R. Devenish, A. Klovning, K. Wacker, S. Wolff, H. Kapitza, K. Derikum, Claus Grupen, H. J. Daum, L. Boesten, M. Rost, Volker Blobel, B. Neumann, G. G. Winter, B. Koppitz, D. Schmidt, K. Lau, R. G. Kellog, R. Grigull, Frank Raupach, C. Y. Chang, E. Lillethun, O. Meyer, H. Genzel, G. Franke, K. H. Pape, J. Bürger, L. Criegee, Fernando Barreiro, M. Rössler, E. Lehmann, H. J. Meyer, G. Alexander, H. Ackermann, Ch. Gerke, A. Bäcker, T. Azemoon, G. Knies, G. Flügge, H.D. Reich, Stephanie Brandt, G. Zech, W. Zimmermann, H. C. Dehne, H. Spitzer, E. Lillestöl, H. Meyer, H.D. Mertiens

Publikováno v: Physics Letters B. 81:410-415

First results from the magnetic detector PLUTO at the new e + e − storage ring PETRA are shown. The ratio R of the cross section for hadron production to that for μ-pair production has been measured to be R = 5.0 ± 0.5 at 13 GeV and 4.3 ±0.5 at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce8731212c061adaa659ab4fb1df228a
https://doi.org/10.1016/0370-2693(79)90365-4

Exclusive production of hadron pairs at large momentum transfer in photon-photon interactions

Autor: B. Neumann, E. Lillestöl, W. Zimmermann, G. G. Winter, Stephanie Brandt, C. Y. Chang, J. B. Dainton, B. Sechi-Zorn, Volker Blobel, H. Kapitza, H. Meyer, G. Franke, G. E. Welch, K. H. Pape, J. Grunhaus, A. J. Tylka, L. Criegee, S. J. Maxfield, Richard G Kellogg, J. C. Thomson, K. Diehlmann, H. Maxeiner, G. Knies, W. Lackas, J. M. Scarr, R. van Staa, P. J. Bussey, D. Schmidt, J. A.J. Skard, H. J. Meyer, H. Spitzer, U. Michelsen, Claus Grupen, A. Klovning, F. Almeida, K. Kraski, F. Ferrarotto, H. Genzel, Jean-Arcady Meyer, S. L. Cartwright, G. T. Zorn, G. Zech, H. J. Daum, M. Zachara, B. T. King, O. Achterberg, Ch. Berger, A. Bäcker, M. Gaspero, K. Stupperich, C. Maxeiner, R. O. Polvado, B. Koppitz, D. Burkart, M. Feindt, Fernando Barreiro, J. Pielorz, Ch. Gerke, H. Müller, J. M. Olsen, M. Rost, Y. Gnat, Andris Skuja, K. M. Smith, B. Stella, Gideon Bella, B. Lewendel, C. Raine, H. Junge, G. Alexander, A. Deuter, Wolfgang Wagner, R. G. Glasser, U. Timm, I. O. Skillicorn, M. Krüger, J. D. Burger, M. Poppe, Frank Raupach, K. Derikum

Publikováno v: Physics Letters B. 137:267-271

We report on the exclusive production of π, K and proton pairs from photon-photon interactions at momentum transfers | t |⩾1 GeV 2 . Using the PLUTO detector at the e + e − storage ring PETRA, we have observed 15 events in an integrated luminosi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ce263c8cf0902552695f367531533a9
https://doi.org/10.1016/0370-2693(84)90242-9