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Your search keyword '"B. Poensgen"' showing total 3 results
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3 results on '"B. Poensgen"'

1. Measurements of the u valence quark distribution function in the proton and u quark fragmentation functions

Author

M. Arneodo, A. Arvidson, J.J. Aubert, B. Badelek, J. Beaufays, C.P. Bee, C. Benchouk, G. Berghoff, I.G. Bird, D. Blum, E. Böhm, X. De Bouard, F.W. Brasse, H. Braun, C. Broll, S.C. Brown, H. Brück, H. Calen, J.S. Chima, J. Ciborowski, R. Clifft, G. Coignet, F. Combley, J. Coughlan, G. D'Agostini, S. Dahlgren, F. Dengler, I. Derado, T. Dreyer, J. Drees, M. Düren, V. Eckardt, A. Edwards, M. Edwards, T. Ernst, G. Eszes, J. Favier, M.I. Ferrero, J. Figiel, W. Flauger, J. Foster, E. Gabathuler, J. Gajewski, R. Gamet, J. Gayler, N. Geddes, P. Grafström, F. Grard, J. Haas, E. Hagberg, F.J. Hasert, P. Hayman, P. Heusse, M. Jaffre, A. Jacholkowska, F. Janata, G. Jancso, A.S. Johnson, E.M. Kabuss, G. Kellner, V. Korbel, A. Krüger, J. Krüger, S. Kullander, U. Landgraf, D. Lanske, J. Loken, K. Long, M. Maire, P. Malecki, A. Manz, S. Maselli, W. Mohr, F. Montanet, H.E. Montgomery, E. Nagy, J. Nassalski, P.R. Norton, F.G. Oakham, A.M. Osborne, C. Pascaud, B. Pawlik, P. Payre, C. Peroni, H. Peschel, H. Pessard, J. Pettingale, B. Pietrzyk, B. Poensgen, M. Pötsch, P. Renton, P. Ribarics, K. Rith, E. Rondio, A. Sandacz, M. Scheer, A. Schlagböhmer, H. Schiemann, N. Schmitz, M. Schneegans, M. Scholz, M. Schouten, T. Schröder, K. Schultze, T. Sloan, H.E. Stier, M. Studt, G.N. Taylor, J.M. Thenard, J.C. Thompson, A. De la Torre, J. Toth, L. Urban, W. Wallucks, M. Whalley, S. Wheeler, W.S.C. Williams, S.J. Wimpenny, R. Windmolders, and G. Wolf

Subjects
Quark, Physics, Nuclear and High Energy Physics, Particle physics, Muon, Proton, High Energy Physics::Phenomenology, Nuclear Theory, Down quark, Parton, Nuclear physics, Pion, Antiproton, Up quark, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract

A new determination of the u valence quark distribution function in the proton is obtained from the analysis of identified charged pions, kaons, protons and antiprotons produced in muon-proton and muon-deuteron scattering. The comparison with results obtained in inclusive deep inelastic lepton-nucleon scattering provides a further test of the quark-parton model. The u quark fragmentation functions into positive and negative pions, kaons, protons and antiprotons are also measured.

Published
1989

2. Proton and antiproton production in deep inelastic muon-nucleon scattering at 280 GeV

Author

A. Manz, Jane Coughlan, M. Jaffre, V. Eckardt, E. Böhm, G. Kellner, P. B. Renton, J. Ciborowski, L. Urban, Michele Arneodo, J. Krüger, F. Janata, P. Payre, A. W. Edwards, F. Combley, M. Maire, A.M. Osborne, S. Kullander, B. Poensgen, J.M. Thenard, J. G. Loken, T. J. Sloan, J. Favier, P. R. Norton, W. Flauger, H. Pessard, F.J. Hasert, A. Jacholkowska, M. C. Edwards, J. Pettingale, S. Wheeler, P. Ribarics, J. Drees, M.I. Ferrero, J. Nassalski, C. Pascaud, G. Jansco, J. Beaufays, E. Gabathuler, C. Benchouk, E. M. Kabuss, W. Wallucks, T. Ernst, H. E. Stier, B. Badelek, A. S. Johnson, Ph. Heusse, G. Eszes, E. Rondio, Cristiana Peroni, Roland Windmolders, B. Pawlik, H. Peschel, R. Gamet, I. Derado, M. Scheer, W. Mohr, J. J. Aubert, A. Arvidson, F. Dengler, S. Maselli, Michael Düren, T. Schröder, M. Whalley, A. Schlagböhmer, J. S. Chima, H. Schiemann, S.C. Brown, M. Schouten, K. Schultze, C. Broll, D. Lanske, E. Hagberg, H.E. Montgomery, Ulrich Landgraf, Kr Long, Stephen Wimpenny, X. De Bouard, F. Grard, G. Berghoff, J. Foster, J. Gayler, A. de la Torre, D. Blum, M. Scholz, M. Studt, P.J. Hayman, K. Rith, A. Sandacz, A. Krüger, N. Geddes, V. Korbel, W.S.C. Williams, J. Figiel, F.W. Brasse, Gy. Wolf, N. Schmitz, Geoffrey Taylor, F. G. Oakham, T. Dreyer, E. Nagy, F. Montanet, J. Haas, S. Dahlgren, H. M. Braun, R. W. Clifft, J. Gajewski, B. Pietrzyk, Joshua Thompson, M. Schneegans, G. D'Agostini, Jozsef Toth, H. Brück, P. Grafström, M. Pötsch, C. P. Bee, P. Malecki, Hans Calén, I. G. Bird, and G. Coignet

Subjects
Physics, Particle physics, Muon, Physics and Astronomy (miscellaneous), Proton, Nuclear Theory, Inelastic scattering, Deep inelastic scattering, Nuclear physics, Pair production, Antiproton, Antimatter, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment, Nucleon, Engineering (miscellaneous), Particle Physics - Experiment
Abstract

New results on proton and antiproton production in the target and current fragmentation regions of high energy muon-nucleon scattering are presented. Proton and antiproton production is investigated as a function of Feynmanx and rapidity. No significant difference is observed between production on hydrogen and deuterium targets. Correlations betweenpp,\(p\bar p\) and\(\bar p\bar p\) pairs are analysed and the results are compared with the predictions of the Lund fragmentation model.

Published
1987

3. Quark charge retention in final state hadrons from deep inelastic muon scattering

Author

H. E. Stier, Claus Goessling, C. Broll, Ph. Heusse, F. W. Brasse, M. Jaffre, F. Dengler, Cristiana Peroni, Roland Windmolders, C. Hoppe, H.E. Montgomery, J. Shiers, Hans Calén, A. Arvidson, F. G. Oakham, J.J. Dumont, J. Gayler, N. Schmitz, K. Schultze, I. G. Bird, G. Kellner, Stephen Wimpenny, G. Coignet, D. Lanske, A. S. Johnson, W.S.C. Williams, P. Payre, Jozsef Toth, M. Edwards, F. Janata, P. Zank, E. Nagy, J. Foster, M. Poetsch, Jennifer S. Haas, H. Preissner, S. Dahlgren, L. Urban, H. Pessard, L. Gustafsson, K. Rith, A. Jacholkowska, S.C. Brown, N. Geddes, Ulrich Landgraf, R. W. Clifft, Richard Mount, V. Korbel, E. Rondio, J. G. Loken, Paolo Giubellino, E. M. Kabuss, Christopher Bee, I. Derado, J. Favier, F. Combley, M. Maire, J. Pettingale, J.K. Davies, P. B. Renton, W. Flauger, C. Benchouk, F. Montanet, D. Blum, Jane Coughlan, J. S. Chima, M.I. Ferrero, C. Pascaud, W. Mohr, K.H. Becks, M. Dueren, W. Stockhausen, Michele Arneodo, H. Wahlen, H. Brueck, Jc Thompson, F.J. Hasert, J.M. Thenard, M. Schneegans, A.M. Osborne, S. Kullander, B. Poensgen, V. Eckardt, T. J. Sloan, P. Ribarics, T. Schroeder, P. R. Norton, W. Wallucks, Kr Long, J.P. Albanese, G. Jancso, J. Carr, T. Ernst, F. Grard, E. Hagberg, J. Krueger, J. Drees, J.H. Cobb, H. M. Braun, M. Whalley, J. J. Aubert, Gy. Wolf, A. Schlagboehmer, G.R. Court, A. Manz, U. Dosseli, X. De Bouard, E. Gabathuler, Geoffrey Taylor, T. Dreyer, L. Paul, J. Figiel, G. Eszes, S. Wheeler, J. Nassalski, R.W. Dobinson, A. Edwards, P.J. Hayman, D. Callebaut, E. Boehm, W. D. Dau, A. de la Torre, M. Studt, R. Gamet, P. Grafstroem, and G. D'Agostini

Subjects
Physics, Quark, Nuclear and High Energy Physics, Particle physics, Muon, Valence (chemistry), Scattering, Hadron, High Energy Physics::Phenomenology, Nuclear Theory, Parton, Nuclear physics, Rapidity, High Energy Physics::Experiment, Nuclear Experiment, Charge retention, Particle Physics - Experiment
Abstract

The net charge of final state hadrons in both the current and target fragmentation regions has been measured in 280 GeV/ c muon-proton scattering experiment. A clean kinematic separation of the two regions in the centre-of-mass rapidity is demonstrated. The dependence on x Bj of the mean net charges is found to be consistent with a large contribution of sea quarks at small x Bj and with the dominance of valence quarks at large x Bj thus giving clear confirmation of the quarck- parton model. It is also shown that the lending forward hadron has a high probability of containing the struck quark.

Published
1984

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