Zobrazeno 1 - 10
of 76
pro vyhledávání: '"W. Lührsen"'
Autor:
B. Koppitz, H. J. Daum, Wolfgang Wagner, U. Timm, O. Meyer, H. Spitzer, H. J. Meyer, H. Meyer, G. Wetjen, G. Horlitz, A. F. Garfinkel, L. Criegee, G. Alexander, B. Stella, E. Lehmann, R. Devenish, R. L. Thompson, R. Maschuw, W. Lackas, G. Knies, M. Rössler, G. Flügge, P. Waloschek, B. Neumann, W. Zimmermann, J. Bürger, W. Lührsen, P. Harms, Ch. Gerke, Ch. Berger, L. Boesten, Frank Raupach, H. Daumann, E. Hackmack, S. Wolff, R. van Staa, G. Zech, O. Achterberg, Th. Kahl, K. Wacker, H. C. Dehne, A. Bäcker, Volker Blobel, Claus Grupen, G. Franke, H. Kapitza, K. Derikum, G. G. Winter
Publikováno v:
Zeitschrift f�r Physik C Particles and Fields. 1:343-347
The electronic width Γ ee and the muonic branching ratioB μμ =Γ μμ /Γtot of the Γ(9.46) have been measured as Γ ee =(1.33±0.14) andB μμ=(2.2±2.0)%. From these values a lower limit of Γtot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e642ff54cc9cec0d8ec8eab1d308b7ac
https://doi.org/10.1007/bf01546972
https://doi.org/10.1007/bf01546972
Autor:
S. Wolff, J. D. Fox, G. Flügge, G. Zech, W. Zimmermann, G. Franke, Th. Kahl, E. Lohrmann, B. Koppitz, H. Meyer, G. Knies, H. C. Dehne, P. Harms, W. Lührsen, P. Waloschek, U. Timm, K. Wacker, M. Rössler, L. Criegee, Claus Grupen, K. Derikum, R. Schmitz, J. Burmester, Ch. Gerke, H. D. Wahl, A. Bäcker, G. Horlitz, Volker Blobel, R. Devenish, G. G. Winter, J. Burger
Publikováno v:
Physics Letters B. 72:135-138
Decays of the J/ψ (3.1) resonance into final states with four charged and one neutral pion have been investigated. We measured the branching ratios J/ ψ (3.1) → f ω /all = 0.40 ± 0.14)% and J/ ψ (3.1) → (B + π − + B − π + )/all = (0.28
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a9844fc5dc29c2069986d1868d7c537
https://doi.org/10.1016/0370-2693(77)90080-6
https://doi.org/10.1016/0370-2693(77)90080-6
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
https://doi.org/10.1016/0370-2693(79)90868-2
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
https://doi.org/10.1007/bf01572249
Autor:
K. Wacker, R. Schmitz, E. Lohrmann, J. Burmester, Th. Kahl, M. Rössler, B. Koppitz, G. Franke, K. Derikum, Ch. Gerke, M. Rost, P. Waloschek, A. Bäcker, L. Criegee, G. Zech, G. Horlitz, R. Devenish, G. G. Winter, G. Flügge, S. Wolff, J. D. Fox, H. C. Dehne, W. Zimmermann, J. Bürger, H. Jensing, G. Knies, H. D. Wahl, Volker Blobel, Claus Grupen, W. Lührsen, H. Meyer, U. Timm
Publikováno v:
Physics Letters B. 68:283-286
We report on inclusive production of Jψ (3.1)-mesons observed in e+e−-annihilation in the energy range s = 4.0–5.0 GeV. After substraction of the radiative tail of the ψ(3.7) direct production of the Jψ (3.1) is found to be in the order of 0.1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b75eb6cc5844f09b7200117584dfd108
https://doi.org/10.1016/0370-2693(77)90289-1
https://doi.org/10.1016/0370-2693(77)90289-1
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
https://doi.org/10.1016/0370-2693(79)90365-4
Autor:
H. Kapitza, B. Sechi-Zorn, Frank Raupach, B. Neumann, K. Stupperich, W. Lührsen, Ch. Berger, K. Lau, W. Lackas, E. Lehmann, R. van Staa, H. Genzel, H. J. Meyer, R. Grigull, G. Franke, G. Knies, M. Olsen, Volker Blobel, C. Y. Chang, A. Bäcker, S. T. Xue, K. Derikum, A. Klovning, E. Lillestöl, Fernando Barreiro, D. Schmidt, Ch. Gerke, H. Meyer, B. Koppitz, A. Eskreys, A. J. Tylka, J. M. Scarr, G. Alexander, Wolfgang Wagner, G. E. Welch, H. Ackermann, H.D. Reich, G. T. Zorn, Claus Grupen, L. Criegee, J. A. Skard, R. G. Glasser, U. Timm, U. Michelsen, W. Zimmermann, L. Boesten, M. Rost, B. Stella, G. Zech, G. G. Winter, J. Bürger, V. Hepp, Stephen Maxfield, Andris Skuja, Stephanie Brandt, H. J. Daum, R. G. Kellogg, O. Meyer, K. H. Pape, O. Achterberg, R. O. Polvado, Gideon Bella, B. Lewendel, H. Spitzer
Publikováno v:
Nuclear Physics B. 202:189-200
We have measured the electron, muon, and charged-hadron pair production rates in two-phonon interactions for invariant masses above 2.0 GeV over a large of momentum transfer. The cross sections for electron and muon pairs show good agreement with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda05286f9e1054ffdcb282a97a9884d
https://doi.org/10.1016/0550-3213(82)90067-0
https://doi.org/10.1016/0550-3213(82)90067-0
Autor:
E. Lehmann, T. Azemoon, G. Knies, C. Y. Chang, B. Sechi-Zorn, Claus Grupen, W. Lührsen, B. Neumann, O. Achterberg, Ch. Berger, A. Eskreys, H.D. Mertiens, U. Michelsen, H. Spitzer, E. Lillethun, R. G. Glasser, U. Timm, V. Hepp, H. C. Dehne, R. O. Polvado, H. Ackermann, H. Kapitza, Stephanie Brandt, J. A. Skard, Fernando Barreiro, P. Waloschek, H. Genzel, L. Criegee, Ch. Gerke, E. Lillestöl, B. Koppitz, G. Franke, A. Diekmann, K. Wacker, H. Meyer, B. Lewendel, W. Lackas, H. J. Meyer, A. Klovning, G. Flügge, Volker Blobel, H.D. Reich, R. Grigull, K. Lau, L. Boesten, M. Rost, W. Zimmermann, T. N. Ranga Swamy, J. Bürger, G. E. Welch, G. T. Zorn, A. Bäcker, G. Zech, R. G. Kellogg, O. Meyer, K. H. Pape, W. Wagner, H. J. Daum, D. Schmidt, W. Gabriel, Andris Skuja, R. van Staa, G. G. Winter, Frank Raupach, B. Stella, R. Devenish, K. Derikum, M. Rössler
Publikováno v:
Physics Letters B. 91:148-151
We have performed a search for narrow resonances in the center of mass energy range from 29.90 to 31.46 GeV using the e+e− storage ring PETRA at DESY. We present the total cross section for hadron production and an upper limit for resonance product
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::057824ce19a39ad491b76003f02aa142
https://doi.org/10.1016/0370-2693(80)90681-4
https://doi.org/10.1016/0370-2693(80)90681-4
Autor:
M. Zachara, B. Neumann, Andris Skuja, Claus Grupen, K. Kraski, C. Y. Chang, H. Kapitza, Richard G Kellogg, B. Stella, G. T. Zorn, M. Krüger, G. Zech, B. Sechi-Zorn, J. M. Scarr, H. Maxeiner, M. Feindt, K. Diehlmann, J. D. Burger, G. E. Welch, K. H. Pape, J. A.J. Skard, Frank Raupach, Günter Flügge, Volker Blobel, O. Achterberg, W. Lackas, A. Deuter, M. Poppe, W. Lührsen, B. Koppitz, Ch. Berger, M. Gaspero, J. Grunhaus, Gideon Bella, D. Schmidt, J. C. Thomson, R. O. Polvado, Barry King, U. Michelsen, A. Bäcker, L. Boesten, H. J. Daum, F. Almeida, K. H. Lau, Wolfgang Wagner, K. Derikum, E. Lillestöl, G. G. Winter, B. Lewendel, K. M. Smith, H. Spitzer, H. Junge, D. Burkart, W. Zimmermann, S. L. Cartwright, E. Lillethun, C. Maxeiner, I. O. Skillicorn, R. van Staa, Y. Gnat, A. J. Tylka, A. Klovning, S. T. Xue, J. B. Dainton, K. Stupperich, F. Ferrarotto, H. Genzel, S. J. Maxfield, G. Knies, C. Raine, Gideon Alexander, Peter Bussey, J. Pielorz, R. G. Glasser, U. Timm, Jean-Arcady Meyer, H. Müller, Stephanie Brandt, L. Criegee, Fernando Barreiro, Ch. Gerke, J. M. Olsen, M. Rost
Publikováno v:
Zeitschrift für Physik C Particles and Fields. 27:167-175
The Sterman-Weinberg 2-jet cross section is measured from the hadron energy flow using the thrust axis to define the axis of the jet cone. The results are compared with first order QCD predictions. Deviations due to fragmentation are observed which d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59c92af3a8eed45420c2da33448efdc7
https://doi.org/10.1007/bf01556606
https://doi.org/10.1007/bf01556606
Autor:
G. Flügge, L. Criegee, W. Zimmermann, K. Wacker, W. Lührsen, U. Timm, G. Franke, P. Harms, S. Wolff, J. D. Fox, Volker Blobel, J. Burger, M. Rössler, H. C. Dehne, A. F. Garfinkel, Claus Grupen, P. Waloschek, Wolfgang Wagner, Th. Kahl, E. Lohrmann, A. Bäcker, E. Hackmack, Ch. Gerke, Gideon Alexander, R. Schmitz, B. Koppitz, G. G. Winter, K. Derikum, G. Horlitz, R. Devenish, E. Lehmann, G. Knies, H. J. Meyer
Publikováno v:
Physics Letters B. 73:99-104
Annihilation of e+e− into final states with a single electron has been studied with the PLUTO detector at the DORIS storage ring at CMS energies from 3.6 to 5 GeV. In the sample of 4-prong events without any detected photon we observe 21 events whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52d6094f765321ca1bb626584fd8b03a
https://doi.org/10.1016/0370-2693(78)90181-8
https://doi.org/10.1016/0370-2693(78)90181-8