Reevaluation of the Gottfried sum

M. Arneodo; A. Arvidson; B. Badelek; M. Ballintijn@f; G. Baum@f; J. Beaufays; I. G. Bird; P. Björkholm; M. Botje; C. Broggini; W. Brückner@f; A. Brüll; W. J. Burger; J. Ciborowski; R. van Dantzig@f; A. Dyring; H. Engelien; M. I. Ferrero; L. Fluri@f; U. Gaul@f; T. Granier; D. von Harrach; M. van der Heijden; C. Heusch; Q. Ingram; K. Janson-Prytz; M. de Jong@f; E. M. Kabuss; R. Kaiser@f; T. J. Ketel@f; F. Klein@f; S. Kullander; U. Landgraf@f; T. Lindqvist; G. K. Mallot; C. Mariotti; G. van Middelkoop; A. Milsztajn; Y. Mizuno; J. Nassalski; J. Oberski@f; D. Nowotny; A. Paic@f; C. Peroni; B. Povh; R. Rieger; K. Rith; K. Röhrich; E. Rondio; L. Ropelewski; A. Sandacz; D. Sanders; C. Scholz@f; R. Schumacher; R. Seitz@f; F. Sever; T.-A. Shibata@f; M. Siebler@f; A. Simon@f; A. Staiano; M. Szleper; Y. Tzamouranis; M. Virchaux; J. L. Vuilleumier@f; T. Walcher@f; R. Windmolders@f; A. Witzmann@f; F. Zetsche@f

doi:10.1103/PhysRevD.50.R1

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Reevaluation of the Gottfried sum

M. Arneodo, A. Arvidson, B. Badelek, M. Ballintijn@f, G. Baum@f, J. Beaufays, I. G. Bird, P. Björkholm, M. Botje et al.

C. Broggini, W. Brückner@f, A. Brüll, W. J. Burger, J. Ciborowski, R. van Dantzig@f, A. Dyring, H. Engelien, M. I. Ferrero, L. Fluri@f, U. Gaul@f, T. Granier, D. von Harrach, M. van der Heijden, C. Heusch, Q. Ingram, K. Janson-Prytz, M. de Jong@f, E. M. Kabuss, R. Kaiser@f, T. J. Ketel@f, F. Klein@f, S. Kullander, U. Landgraf@f, T. Lindqvist, G. K. Mallot, C. Mariotti, G. van Middelkoop, A. Milsztajn, Y. Mizuno, J. Nassalski, J. Oberski@f, D. Nowotny, A. Paic@f, C. Peroni, B. Povh, R. Rieger, K. Rith, K. Röhrich, E. Rondio, L. Ropelewski, A. Sandacz, D. Sanders, C. Scholz@f, R. Schumacher, R. Seitz@f, F. Sever, T.-A. Shibata@f, M. Siebler@f, A. Simon@f, A. Staiano, M. Szleper, Y. Tzamouranis, M. Virchaux, J. L. Vuilleumier@f, T. Walcher@f, R. Windmolders@f, A. Witzmann@f, and F. Zetsche@f

1Bielefeld University, Universitätstrasse 25, D-33501, Bielefeld, Germany
2CERN, CH-1211, Geneva 23, Switzerland
3Freiburg University, Hermann-Herder-Strasse 3, D-79104 Freiburg, Germany
4Planck Institut für Kernphysik, Postf. 103980, D-69029, Heidelberg, Germany
5Heidelberg University, D-69120, Heidelberg, Germany
6Mainz University, D-55099, Mainz, Germany
7Mons University, Mons, Hainaut, Belgium
8tel University, Neuchâtel, Switzerland
9K, P.O. Box 41882, NL-1009DB, Amsterdam, The Netherlands
10DAPNIA/SPP, CEN-Saclay, F-91191 Gif-sur-Yvette, France
11University of California, Santa Cruz, California, 95064
12Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
13Torino University, Via Pietro Giuria 1, 10125, Torino, Italy
Istituto Nazionale di Fisica Nucleare, Torino, Italy
14Uppsala University, S-75121, Uppsala, Sweden
15Soltan Institute for Nuclear Studies, Warsaw, Poland
16Warsaw University, Warsaw, Poland

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Phys. Rev. D 50, R1(R) – Published 1 July, 1994

DOI: https://doi.org/10.1103/PhysRevD.50.R1

Abstract

We present a new determination of the nonsinglet structure function $F_{2}^{p}$ - $F_{2}^{n}$ at $Q^{2}$ =4 ${GeV}^{2}$ using recently measured values of $F_{2}^{d}$ and $F_{2}^{n}$ / $F_{2}^{p}$ . A new evaluation of the Gottfried sum is given, which remains below the simple quark-parton model value of 1/3.

References (4)

New Muon Collaboration, P. Amaudruz et al., Phys. Rev. Lett. 66, 2712 (1991).
New Muon Collaboration, P. Amaudruz et al., Phys. Lett. B 295, 159 (1992) and Report No. CERN PPE/92 124, 1992 (unpublished).
New Muon Collaboration, P. Amaudruz et al., Nucl. Phys. B371, 3 (1992).
A. A. Akhundov et al., Sov. J. Nucl. Phys. 26, 660 (1977); , ibid. 44, 988 (1986); JINR Dubna Report No. E2 10147, 1976 (unpublished); No. E2 86 104, 1986 (unpublished); D. Bardin and N. Shumeiko, Sov. J. Nucl. Phys. 29, 499 (1979).

[c1] New Muon Collaboration, P. Amaudruz et al., Phys. Rev. Lett. 66, 2712 (1991).

[c2] New Muon Collaboration, P. Amaudruz et al., Phys. Lett. B 295, 159 (1992) and Report No. CERN PPE/92 124, 1992 (unpublished).

[c3] New Muon Collaboration, P. Amaudruz et al., Nucl. Phys. B371, 3 (1992).

[c4] A. A. Akhundov et al., Sov. J. Nucl. Phys. 26, 660 (1977); , ibid. 44, 988 (1986); JINR Dubna Report No. E2 10147, 1976 (unpublished); No. E2 86 104, 1986 (unpublished); D. Bardin and N. Shumeiko, Sov. J. Nucl. Phys. 29, 499 (1979).

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Reevaluation of the Gottfried sum

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