Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Y. Lavagne"'
Autor:
J. Bouchez, Y. Ducros, G. Grindhammer, U. Mallik, O. Hamon, F. Kovacs, H. Müller, S. Banerjee, J. Engler, P. Grosse-Wiesmann, R. Kotthaus, J. Bodenkamp, M. Rivoal, F. Pierre, R. George, A. Cordier, S. Jadach, H. J. Behrend, Luc Poggioli, G. Schmidt, F. Kapusta, P. Colas, T. Meyer, H. Randoll, Y. Lavagne, F. Le Diberder, M. Goldberg, J. J. Veillet, R. Aleksan, G. Flügge, D. Lüers, G. Hopp, Jean-Francois Grivaz, J. Haissinski, M. J. Schachter, U. Kruse, A. Gaidot, C. Kiesling, G. Cozzika, W. D. Apel, V. Schröder, Ch. Chen, H. Fenner, H. Schneider, B. Grossetete, Horst Oberlack, W. Fues, M. Davier, V. Journé, J. P. Pansart, D. Chrobaczek, A. Snyder, Peter Schacht, H. Küster, G. D'Agostini, K. Gamerdinger, G. Carnesecchi, B. Gunderson, H. Sindt, W. De Boer, A. Klarsfeld, H. Lierl, J. H. Field, G. Buschhorn, Daniel Fournier, G. London, D. C. Fries, J. Pamela, F. Laplanche
Publikováno v:
Physics Letters B. 114:287-290
We report on the search for “supersymmetric” scalar leptons conducted with the CELLO detector, at the PETRA e + e − storage ring. 11.1 pb −1 of high energy data were analysed ( 33 GeV s GeV ). At a 95% c.l., the existence of a scalar e is rul
Autor:
R. Kotthaus, G. Cozzika, G. Carnesecchi, Jean-Francois Grivaz, G. Flügge, D. Lüers, J. H. Field, C. Kiesling, V. Schröder, J. Bodenkamp, H. Steiner, Ch. Chen, Luc Poggioli, P. Grosse-Wiesmann, H. Fenner, R. George, Y. Lavagne, G. Buschhorn, G. Schmidt, G. London, H. J. Behrend, D. C. Fries, M. Goldberg, J. Bouchez, Y. Ducros, J. P. Pansart, F. Laplanche, U. Mallik, H. Sindt, A. Klarsfeld, T. Meyer, H. Müller, F. Kovacs, S. Jadach, J. Pamela, B. Gunderson, W. De Boer, A. Cordier, U. Kruse, J. J. Veillet, G. Hopp, A. Gaidot, R. Aleksan, P. Colas, G. Grindhammer, D. Chrobaczek, Horst Oberlack, A. Snyder, Daniel Fournier, M. Rivoal, J. Engler, H. Lierl, J. Haissinski, B. Grossetete, H. Randoll, M. Davier, O. Hamon, F. Pierre, H. Schneider, S. Banerjee, M. J. Schachter, Peter Schacht, H. Küster, G. D'Agostini, K. Gamerdinger, W. Fues, V. Journé, W. D. Apel, F. Kapusta, F. Le Diberder
Publikováno v:
Zeitschrift f�r Physik C Particles and Fields. 14:95-102
Measurements of energy weighted angular correlations in electron positron annihilations at c.m. energies of 22 GeV and 34 GeV are presented.
Autor:
R. George, Jean-Arcady Meyer, F. Kovacs, G. Hopp, M. Gaspero, Peter Schacht, H. Küster, G. D'Agostini, L. Criegee, K. Gamerdinger, Patrick Jarry, G. Schmidt, B. Gunderson, Alan Campbell, W. De Boer, G. Grindhammer, Kevin M. Smith, G. Carnesecchi, Jean-Francois Grivaz, Th. Henkes, O. Hamon, A. Cordier, Daniel Fournier, W. Fues, V. Journé, Gideon Alexander, Gideon Bella, H. Schneider, C. Kiesling, H. Fenner, M. Goldberg, G. G. Winter, H. Randoll, M. Davier, W. Zimmermann, F. Pierre, G. Bonneaud, J. Haissinski, Luc Poggioli, R. Pain, J. J. Veillet, R. Aleksan, Eduardo Ros, G. Flügge, J. Knapp, D. Lüers, I. O. Skillicorn, J. M. Scarr, V. Schröder, P. J. Bussey, F. Kapusta, U. Timm, H. J. Behrend, J. H. Field, P. Grosse-Wiesmann, F. Le Diberder, G. Buschhorn, Y. Gnat, D. C. Fries, G. Franke, A. Gaidot, D. Hendry, Horst Oberlack, Y. Lavagne, G. Cozzika, F. Ould Saada, B. Stella, R. Kotthaus, H. Lierl, H. Sindt, H. Spitzer, K. H. Ranitzsch, O. Achterberg, P. Colas, Y. Ducros, U. Mallik, H. Müller, J. B. Dainton, J. P. Pansart, J. Engler, J. Pamela, M. Krüger, M. Rivoal, J. Bürger, J. Grunhaus, J. Bouchez, B. Forstbauer, W. D. Apel, M. Poppe
Publikováno v:
Physics Letters B
Physics Letters B, Elsevier, 1984, 141, pp.145-152
Scopus-Elsevier
Physics Letters B, Elsevier, 1984, 141, pp.145-152
Scopus-Elsevier
An event from e+e− annihilation at √s = 43.450 GeV containing two topologically isolated energetic muons and two hadronic jets has been observed. The masses of the μ−μ, jet-jet and μ-jet combinations are all large. The expected number of suc
Autor:
J. J. Veillet, W. De Boer, R. Aleksan, R. Kotthaus, H. Sindt, J. Engler, P. Grosse-Wiesmann, S. Jadach, H. J. Behrend, F. Laplanche, A. Gaidot, P. Colas, Horst Oberlack, A. Cordier, H. Randoll, G. Cozzika, J. Haissinski, J. Bodenkamp, A. Klarsfeld, Luc Poggioli, R. George, J. H. Field, J. Bouchez, H. Lierl, F. Le Diberder, B. Gunderson, Y. Lavagne, M. J. Schachter, D. Chrobaczek, B. Grossetete, G. Buschhorn, W. D. Apel, H. Schneider, J. Pamela, G. London, Y. Ducros, Daniel Fournier, M. Davier, Peter Schacht, H. Küster, U. Mallik, H. Müller, D. C. Fries, G. D'Agostini, G. Schmidt, Jean-Francois Grivaz, K. Gamerdinger, S. Banerjee, Ch. Chen, G. Flügge, D. Lüers, C. Kiesling, H. Fenner, M. Goldberg, V. Schröder, G. Hopp, J. P. Pansart, G. Grindhammer, W. Fues, F. Kapusta, V. Journé, A. Snyder, T. Meyer, M. Rivoal, U. Kruse, G. Carnesecchi, O. Hamon, F. Pierre, F. Kovacs
Publikováno v:
Physics Letters B. 114:282-286
The e+e−→τ+τ− process has been measured using the CELLO detector at a mean total centre of mass energy of 34.2 GeV using essentially all the decay channels of the τ lepton. The measured cross section yields Rτ=1.03±0.05 (stat)±0.07 (syst)
Autor:
G. London, D. C. Fries, J. Pamela, Y. Lavagne, R. Kotthaus, J. Bouchez, B. Grossetete, G. Cozzika, Luc Poggioli, S. Jadach, P. Colas, G. Flügge, D. Lüers, J. Bodenkamp, M. Rivoal, V. Schröder, G. Grindhammer, O. Hamon, G. Schmidt, A. Klarsfeld, R. George, Y. Ducros, F. Laplanche, U. Mallik, F. Kovacs, S. Banerjee, F. Pierre, H. Müller, H. J. Behrend, A. Cordier, F. Kapusta, J. J. Veillet, M. Goldberg, Ch. Chen, B. Gunderson, W. D. Apel, J. H. Field, M. J. Schachter, R. Aleksan, H. Randoll, G. Carnesecchi, J. Haissinski, M. Davier, H. Sindt, G. Hopp, J. P. Pansart, W. Fues, J. Engler, V. Journé, Daniel Fournier, A. Gaidot, H. Schneider, Horst Oberlack, Jean-Francois Grivaz, H. Lierl, C. Kiesling, Peter Schacht, H. Küster, H. Fenner, G. D'Agostini, K. Gamerdinger, G. Buschhorn, W. De Boer, P. Grosse-Wiesmann, U. Kruse
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 16:301-305
Differential cross sections fore +e−→e +e−, τ+, τ- measured with the CELLO detector at $$\left\langle {\sqrt s } \right\rangle = 34.2GeV$$ have been analyzed for electroweak contributions. Vector and axial vector coupling constants were obtai
Autor:
J. Haissinski, M. J. Schachter, G. Flügge, D. Lüers, V. Schröder, F. Kovacs, F. Le Diberder, B. Gunderson, R. Aleksan, H. Lierl, G. Grindhammer, S. Jadach, R. Kotthaus, W. Fues, M. Davier, G. Hopp, V. Journé, P. Colas, Ch. Chen, A. Gaidot, Horst Oberlack, M. Rivoal, Luc Poggioli, J. P. Pansart, J. Bouchez, Y. Ducros, W. D. Apel, Daniel Fournier, U. Mallik, G. Buschhorn, H. Müller, H. Sindt, D. Chrobaczek, A. Cordier, G. Schmidt, A. Klarsfeld, J. Bodenkamp, R. George, G. London, D. C. Fries, S. Banerjee, J. H. Field, W. De Boer, Peter Schacht, H. Küster, G. D'Agostini, K. Gamerdinger, H. Schneider, H. J. Behrend, M. Goldberg, G. Cozzika, Y. Lavagne, B. Grossetete, Jean-Francois Grivaz, C. Kiesling, H. Fenner, J. Pamela, O. Hamon, F. Pierre, J.J. Viellet, P. Grosse-Wiesmann, H. Randoll, G. Carnesecchi, F. Laplanche, U. Kruse, F. Kapusta, J. Engler
Publikováno v:
Physics Letters B
Physics Letters B, Elsevier, 1982, 118, pp.211-216
Physics Letters B, Elsevier, 1982, 118, pp.211-216
In e + e − interactions at 34 GeV center of mass energy, using an integrated luminosity of 7.4 pb −1 , 18 events are observed where an electron (position) appears with an energy above 4 GeV, at lasrge angle with respect to the beam direction, and
Autor:
D. C. Fries, J. Hansmeyer, Ch. Kiesling, Luc Poggioli, J. D. Burger, Kevin M. Smith, G. Cozzika, Craig Buttar, I. O. Skillicorn, F. Kovacs, R. Kotthaus, Hannes Jung, J. Harjes, L. Criegee, J. Ahme, J. M. Scarr, M. Rivoal, Joachim Wolf, J. Pamela, G. Buschhorn, Daniel Fournier, G. Grindhammer, J. J. Veillet, R. George, R. Aleksan, Eduardo Ros, M. Krüger, J. Žáček, D. Hendry, H. Spitzer, K. H. Ranitzsch, F. Ould Saada, J. Engler, P. Grosse-Wiesmann, B. Stella, H. J. Behrend, Y. Lavagne, M. Goldberg, Juan Fuster, G. Hopp, Jean-Arcady Meyer, Jean-Francois Grivaz, Peter Bussey, A. Cordier, Y. Holler, J. Grunhaus, H. Sindt, W. De Boer, J. Haissinski, P. Mayer, B. Gunderson, Alan Campbell, Patrick Janot, A. Spadafora, Y. Gnat, H. Fenner, B. Fatah, G. G. Winter, Horst Oberlack, Y. Ducros, W. Zimmermann, J. H. Field, G. Flügge, D. Lüers, H. Müller, G. Franke, Peter Schacht, H. Küster, V. Schröder, A. Böhrer, U. Timm, Hubert Kroha, K. Gamerdinger, Aharon Levy, Volker Blobel, J. Knapp, Gideon Alexander, H. Schneider, M. Davier, O. Hamon, B. Sack, Gideon Bella, F. Pierre, G. McCurrach, M. Gaspero, G. Shooshtari, Werner Wiedenmann, W. Fues, M. Gaillard, V. Journé, W. D. Apel, M. Poppe, J. B. Dainton, F. Kapusta, G. D'Agostini, M. Feindt, F. Ferrarotto, F. Le Diberder
Publikováno v:
Physics Letters B. 191:209-216
The e+e−→μ+μ− reaction has been studied at centre of mass energies ranging between 38.3 abd 46.8 GeV with the CELLO detector at PETRA. We present results on the cross section and the charge asymmetry for this channel. Combining all the data a
Autor:
I. O. Skillicorn, J. M. Scarr, J. Fuster, M. Gaspero, G. Hopp, Aharon Levy, Volker Blobel, R. George, J. Engler, Jean-Arcady Meyer, P. Grosse-Wiesmann, F. Ferrarotto, Patrick Janot, J. Knapp, F. Le Diberder, R. Kotthaus, Kevin M. Smith, P. Mayer, J. Haissinski, Alan Campbell, G. G. Winter, Gideon Bella, F. Kapusta, L. Poggiolo, J. Ahme, L. Criegee, H. Spitzer, Werner Wiedenmann, G. Flügge, D. Lüers, B. Gunderson, K. H. Ranitzsch, J. Žáĉek, G. Shooshtari, F. Kovacs, G. Grindhammer, A. Spadafora, Peter Schacht, G. Buschhorn, Ch. Kiesling, H. Küster, M. Rivoal, Joachim Wolf, J. J. Veillet, G. McCurrach, V. Schröder, G. D'Agostini, Eduardo Ros, J. H. Peters, Y. Ducros, A. Klatchko, N. Goldberg, W. De Boer, M. Krüger, W. D. Apel, J. D. Burger, M. Poppe, W. Zimmermann, K. Gamerdinger, G. Cozzika, M. Davier, V. Journé, Hannes Jung, H. I. Behrend, H. Müller, Gideon Alexander, G. Franke, H. Schneider, J. H. Field, D. C. Eries, J. Grunhaus, Craig Buttar, Y. Gnat, O. Hamon, Horst Oberlack, F. Ould Saada, B. Stella, J. Harjes, J. Hansmeyer, D. Hendry, J. B. Dainton, Y. Lavagne, A. Böhrer, P. T. Bussey, Jean-Francois Grivaz, H. Fenner, U. Timm, Hubert Kroha, M. Feindt
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 35:181-199
Mass limits are presented for various supersymmetric particles: scalar partners of electrons, muons, taus and quarks; photinos, winos and zinos. They were obtained from the analysis of an exposure of 48.6 pb−1 of the CELLO detector at the PETRAe+e
Autor:
J. Bouchez, Luc Poggioli, P. Grosse-Wiesmann, H. Randoll, G. Grindhammer, R. Kotthaus, P. Colas, J. Engler, A. Gaidot, Horst Oberlack, G. Flügge, D. Lüers, A. Cordier, J. Haissinski, Y. Lavagne, J. Pamela, G. Cozzika, H. Sindt, F. Kovacs, B. Grossetete, Jean-Francois Grivaz, J. P. Pansart, J. J. Veillet, O. Hamon, R. Aleksan, V. Schröder, C. Kiesling, H. J. Behrend, Y. Ducros, G. Hopp, H. Fenner, F. Laplanche, F. Pierre, U. Mallik, H. Müller, M. J. Schachter, H. Schneider, R. George, J. H. Field, M. Rivoal, W. Fues, V. Journé, G. London, D. C. Fries, F. Le Diberder, Peter Schacht, H. Küster, G. Schmidt, G. D'Agostini, M. Goldberg, K. Gamerdinger, W. D. Apel, F. Kapusta, M. Davier, B. Gunderson, W. De Boer, G. Buschhorn, U. Kruse, H. Lierl, G. Carnesecchi, Daniel Fournier
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 20:207-212
We have measured the scale invariant inclusive photon and π0 cross sections atW=14, 22 and 34 GeV. A comparison with π± data shows no significant difference between neutral and charged pion production. Comparing the integrated cross sections in th
Autor:
Eduardo Ros, R. George, F. Kapusta, Werner Wiedenmann, R. Kotthaus, Peter Schacht, Y. Lavagne, H. J. Behrend, W. Fues, H. Randoll, V. Journé, M. Davier, B. Grossetete, G. D'Agostini, Daniel Fournier, G. London, F. Laplanche, K. Gamerdinger, J. H. Field, D. C. Fries, G. Grindhammer, F. Le Diberder, G. Carnesecchi, A. Cordier, B. Forstbauer, H. Lierl, CELLO-Collaboration, W. D. Apel, Luc Poggioli, R. Pain, O. Hamon, Th. Henkes, F. Pierre, B. Gunderson, A. Snyder, G. Hopp, U. Kruse, P. Grosse-Wiesmann, Jean-Francois Grivaz, Patrick Jarry, W. De Boer, M. Rivoal, G. Cozzika, G. Flügge, C. Kiesling, D. Lüers, H. Fenner, M. Krüger, H. Schneider, V. Schröder, J. Bouchez, G. Buschhorn, J. Pamela, M. J. Schachter, F. Kovacs, G. Schmidt, J. J. Veillet, R. Aleksan, M. Goldberg, A. Gaidot, Horst Oberlack, J. Haissinski, H. Sindt, G. Bonneaud, O. Achterberg, P. Colas, J. P. Pansart, J. Engler, Y. Ducros, U. Mallik, H. Müller
Publikováno v:
Zeitschrift f�r Physik C Particles and Fields. 23:223-232
The production of thef0 in two photon collisions, with the subsequent decayf0→π+π− has been observed in the CELLO detector at PETRA. Thef0 peak was found to lie on a dipion continuum and to be shifted downwards in mass by ≃50 MeV/c2. The ππ