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Your search keyword '"deep inelastic scattering: muon nucleus"' showing total 2 results
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2 results on '"deep inelastic scattering: muon nucleus"'

1. A re-evaluation of the nuclear structure function ratios for D, He, 6Li, C and Ca

Author

P. Amaudruz, M. Arneodo, A. Arvidson, B. Badelek, M. Ballintijn, G. Baum, J. Beaufays, I.G. Bird, P. Björkholm, M. Botje, C. Broggini, W. Brückner, A. Brüll, W.J. Burger, J. Ciborowski, R. van Dantzig, H. Döbbeling, J. Domingo, J. Drinkard, A. Dyring, H. Engelien, M.I. Ferrero, L. Fluri, U. Gaul, P. Grafstrom, T. Granier, D. von Harrach, M. van der Heijden, C. Heusch, Q. Ingram, K. Janson-Prytz, M. de Jong, E.M. Kabuβ, R. Kaiser, T.J. Ketel, F. Klein, B. Korzen, U. Krüner, S. Kullander, U. Landgraf, F. Lettenström, T. Lindqvist, G.K. Mallot, C. Mariotti, G. van Middelkoop, A. Milsztajn, Y. Mizuno, A. Most, A. Mücklich, J. Nassalski, D. Nowotny, N. Pavel, J. Oberski, A. Paić, C. Peroni, H. Peschel, B. Povh, R. Rieger, K. Rith, K. Röhrich, E. Rondio, L. Ropelewski, A. Sandacz, D. Sanders, C. Scholz, R. Schumacher, R. Seitz, U. Sennhauser, F. Sever, T.-A. Shibata, M. Siebler, A. Simon, A. Staiano, M. Szleper, G. Taylor, M. Treichel, Y. Tzamouranis, M. Virchaux, J.L. Vuilleumier, T. Walcher, R. Windmolders, A. Witzmann, and F. Zetsche

Subjects
Nuclear and High Energy Physics, Particle physics, muon nucleus: deep inelastic scattering, 90: 200 GeV, Analytical chemistry, helium, mass: correction, numerical calculations: interpretation of experiments, INELASTIC MUON SCATTERING, radiative correction, F2(N)/F2(P), deep inelastic scattering: muon nucleus, correction: mass, deuterium, Physics, calcium, Muon, Scattering, carbon, Structure function, Nuclear structure, structure function: ratio, Deuterium, lithium, Phenomenology-HEP
Abstract

We present a re-evaluation of the structure function ratios F2(He)/F2(D), F2(C)/F2(D) and F2(Ca)/F2(D) measured in deep inelastic muon-nucleus scattering at an incident muon momentum of 200 GeV. We also present the ratios F2(C)/F2(Li), F2(Ca)/F2(Li) and F2(Ca)/F2(C) measured at 90 GeV. The results are based on data already published by NMC; the main difference in the analysis is a correction for the masses of the deuterium targets and an improvement in the radiative corrections. The kinematic range covered is 0.0035 < x < 0.65, 0.5 < Q~2

Published
1995
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2. Ratio of J/ψ production cross sections in deep inelastic muon scattering from tin and carbon

Author

L. Fluri, C. A. Heusch, E. M. Kabuss, M. Siebler, Thomas Walcher, M. de Jong, A. Simon, P. Amaudruz, D. von Harrach, U. Sennhauser, C. Peroni, F. Sever, M.I. Ferrero, E. Rondio, J. L. Vuilleumier, Quentin Ingram, M. van der Heijden, C. Scholz, R. Kaiser, W. Brückner, G. van Middelkoop, H. Engelien, K. Rith, J. Nassalski, D. Nowotny, A. Sandacz, Y. Mizuno, R. Rieger, Y. Tzamouranis, J. Ciborowski, T.-A. Shibata, J. Drinkard, F. Klein, W. J. Burger, Günter Baum, K. Röhrich, Chiara Mariotti, A. Brüll, Amedeo Staiano, L. Ropelewski, Michele Arneodo, Ulrich Landgraf, B. Badelek, J. Domingo, F. Zetsche, T. Lindqvist, B. Povh, Tjeerd Ketel, R. van Dantzig, M. Botje, I. G. Bird, J. Beaufays, H. Döbbeling, K. Janson, S. Kullander, C. Broggini, Roland Windmolders, A. Arvidson, Michael Düren, and G. K. Mallot

Subjects
Nuclear and High Energy Physics, forward spectrometer: experimental results, muon nucleus: deep inelastic scattering, DEUTERIUM, coherent interaction: muon nucleus, chemistry.chemical_element, energy dependence, J/psi(3100): hadroproduction, x-dependence, ENERGY, Nuclear physics, ELECTRON-SCATTERING, IRON TARGETS, DEPENDENCE, tin, J-PSI, PHOTOPRODUCTION, NUCLEON, GLUON, muon nucleus: coherent interaction, Nuclear Experiment, deep inelastic scattering: muon nucleus, 200: 280 GeV, Physics, Muon, Scattering, carbon, gluon: momentum spectrum, transverse momentum: dependence, CERN SPS, effect: coherence, Gluon, muon nucleus: inclusive reaction, chemistry, Deuterium, High Energy Physics::Experiment, color: singlet, hadroproduction: J/psi(3100), Atomic physics, Tin, Nucleon, Carbon, Electron scattering, channel cross section: ratio, Particle Physics - Experiment
Abstract

We present results on J/psi production in muon interactions with tin and carbon targets at incident muon energies of 200 and 280 GeV. The ratio of cross sections per nucleon for J/psi production on tin and carbon, R(Sn/C), is studied as a function of p(T)2, z and x. We find an enhancement for coherent J/psi production R(coh)(Sn/C) = 1.54 +/- 0.07, a suppression for quasielastic production R(qe)(Sn/C) = 0.79 +/- 0.06 and for inelastic production R(in)(Sn/C) = 1.13 +/- 0.08. The inelastic cross section ratio can be interpreted within the Colour Singlet model as an enhancement ot the gluon distribution in tin with respect to that in carbon. The dependence of the ratio on z and p(T)2 can explain the discrepancy between the results obtained in previous experiments.

Published
1992
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